CN104831186B - A kind of handrail stainless-steel pipe and manufacture method thereof - Google Patents
A kind of handrail stainless-steel pipe and manufacture method thereof Download PDFInfo
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- CN104831186B CN104831186B CN201510277938.2A CN201510277938A CN104831186B CN 104831186 B CN104831186 B CN 104831186B CN 201510277938 A CN201510277938 A CN 201510277938A CN 104831186 B CN104831186 B CN 104831186B
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Abstract
The invention discloses a kind of handrail stainless-steel pipe and manufacture method thereof.Handrail stainless-steel pipe includes: interior steel pipe, and described interior steel pipe is arranged on the internal layer of described handrail stainless-steel pipe, and the material of described interior steel pipe is rustless steel；Outer steel pipe, described outer steel pipe is arranged on described handrail stainless-steel pipe, and the material of described outer steel pipe is rustless steel；Between described interior steel pipe and described outer steel pipe, it is additionally provided with middle steel pipe, between described interior steel pipe and described middle steel pipe and between described middle steel pipe and described outer steel pipe, is filled with heat-barrier material.The manufacture method of handrail stainless-steel pipe specifically includes that inside and outside steel pipe manufacture, middle steel pipe manufacture, middle steel pipe is combined and outer steel pipe is combined.Originally build that handrail stainless-steel pipe manufacturing cost is moderate, mechanical strength is high, corrosion resistance and good, feel are gentle, wide accommodation.
Description
Technical field
The present invention relates to a kind of building materials, particularly relate to a kind of handrail stainless-steel pipe and manufacture method thereof.
Background technology
Handrail stainless-steel pipe is as urban operating mechanism fence, the handrail of the vehicles and luggage carrier, Medical treatment device
The ornament materials of tool, body-building apparatus and mansion, existing stainless steel composite pipe be internal layer be carbon steel tubing,
Outer layer is stainless steel tube structure.The manufacturing process of this kind of stainless steel composite pipe is first by carbon steel band rolling machine
Roll, be then welded into carbon steel pipe with high-frequency induction welder, then be welded into multiple tube semi-finished product by argon arc welding machine；
Multiple tube semi-finished product are vertical further through many groups in traveling, and horizontal format roll rolling extrusion repeatedly to finished product is advised
Lattice size, after straightener alignment, polished machine polishes, then cuts into multiple tube finished product by cut lengths.
This manufacturing process need to be through twice pipe crimping, and the Coating combination portion of its stainless steel tube and carbon steel pipe is more loose, impact
The use intensity of product, the tensile strength of this composite steel tube and weld strength be less than 500Mpa and interior
Layer is carbon steel tubing, and internal steel pipe easily corrodes, and has influence on the service life of handrail, simultaneously because ectonexine
Being all firm structure, heat conductivity is big, ice-cold in the feel of microthermal climate handrail.
Summary of the invention
It is an object of the invention to for the problems referred to above, it is provided that a kind of mechanical strength is high, decay resistance is high and low
Warm a kind of handrail stainless-steel pipe that weather feel is gentle and production cost is moderate and manufacture method thereof.
For reaching above-mentioned purpose, the present invention provides a kind of handrail stainless-steel pipe, described handrail rustless steel steel
Pipe includes:
Interior steel pipe, described interior steel pipe is arranged on the internal layer of described handrail stainless-steel pipe, described interior steel pipe
Material is rustless steel；
Outer steel pipe, described outer steel pipe is arranged on the outer layer of described handrail stainless-steel pipe, described outer steel pipe
Material is rustless steel；
It is characterized in that, between described interior steel pipe and described outer steel pipe, be at least filled with one layer of heat-barrier material.
Further, described interior steel pipe and described outer steel pipe are round steel pipe, described interior steel pipe and described outer steel
The thickness of pipe is equal, for 1.0-2.0mm；
Middle steel pipe it is additionally provided with, at described interior steel pipe with described between described interior steel pipe and described outer steel pipe
It is filled with heat-barrier material between middle steel pipe and between described middle steel pipe and described outer steel pipe；
The material of described middle steel pipe is carbon structural steels, and described middle steel pipe is round rectangle pipe, described in
Between the medial wall of steel pipe tangent with the lateral wall of described interior steel pipe, the lateral wall of described middle steel pipe fillet and institute
The medial wall stating outer steel pipe is tangent, and the thickness of described middle steel pipe is 2.0-4.0mm, described middle steel pipe fillet
The chamfer radius of lateral wall equal with the radius of the medial wall of described outer steel pipe, the lateral wall of described fillet
Chamfer radius is 2-4 times of the chamfer radius of the medial wall of described fillet, the lateral wall arc length of described fillet
For the thickness of described outer steel pipe 2-3 times；
The material composition of described interior steel pipe and described outer steel pipe is by mass percentage: carbon 0.02%～0.10%,
Silicon 0.22%～0.46%, manganese 0.65%～1.05%, chromium 0.45%～0.80%, nickel 1.20%～1.45%, phosphorus
0～0.012%, sulfur 0～0.012%, titanium 0.02%～0.03%, vanadium 0.020%～0.042%, compound rare-earth
0.08-0.10%, cadmium 0.02%～0.05%, boron 0.0040%～0.0055%, oxygen≤0.0012%, nitrogen≤
0.0060%, hydrogen≤0.0001%, arsenic≤0.010%, lead≤0.010%, stannum≤0.010%, antimony≤0.010%,
Surplus is ferrum and other trace impurities inevitable；Described compound rare-earth is Gd by mass percentage
10-12%, Pr 5-8%, Er 10-12%, Ho 10-12%, Nd 10-12%, Sm 8-10%, surplus is Tm.
For achieving the above object, present invention also offers a kind of method manufacturing above-mentioned handrail stainless-steel pipe,
The method comprises the steps:
(1) steel pipe and outer steel pipe in stainless steel is manufactured:
A1 smelts: desulfurizing iron is skimmed, converter smelting, slag-stopping tapping, ladle deoxidation alloy rare earth, steel
Crystal refines；
B1 hot rolling: pole base continuous casting, the heating of pole base, roll piercing, sizing processing, wherein, first with tiltedly
Bottom-type heating furnace heating pole, base control temperature be 1150-1200 DEG C, then use two-roller skew-rolling machine to heating after
Pole base carry out roll piercing, with three-roll sizing mill, the hollow billet after roll piercing is carried out sizing processing afterwards,
Last air cooling obtains stainless-steel seamless pipe pipe.
(2) steel pipe in the middle of carbon structural steels is manufactured:
A2 smelts: desulfurizing iron is skimmed, converter smelting, slag-stopping tapping, ladle deoxidation alloying, molten steel essence
Refining；Described carbon structural steels material composition is by mass percentage: carbon 0.35%～0.45%, manganese 0.75%～
1.25%, phosphorus 0～0.015%, sulfur 0～0.015%, oxygen≤0.0015%, nitrogen≤0.0060%, hydrogen≤0.0001%,
Arsenic≤0.010%, lead≤0.010%, stannum≤0.010%, antimony≤0.010%, surplus is that ferrum is with inevitable
Other trace impurities；
B2 hot rolling: pole base continuous casting, the heating of pole base, roll piercing, sizing processing, wherein, first with tiltedly
Bottom-type heating furnace heating pole, base control temperature be 1050-1120 DEG C, then use two-roller skew-rolling machine to heating after
Pole base carry out roll piercing, with three-roll sizing mill, the hollow billet after roll piercing is carried out sizing processing afterwards,
Last air cooling obtains the carbon structural steels seamless steel tube blank of circle；
C2 round rectangle pipe drawing molding: the circular carbon structural steels seamless steel tube blank that hot-roll forming is obtained
In first, mould and the first external mold drawing are shaped to the inside and outside round rectangle pipe with rounded corners；
(3) molding handrail stainless-steel pipe:
In the middle of a3, steel pipe is combined: by the heatpiston of interior steel pipe lateral wall coating 5-10mm thickness；By described
Round rectangle pipe box on the interior steel pipe being coated with heatpiston, mould and the second outer die drawing in being then passed through second
Pull out compound；
The outer steel pipe of b3 is combined: by composite steel tube lateral wall coating 5-10mm thickness compound for the drawing of step a3
Heatpiston；By outer steel pipe socket on the composite steel tube being coated with heatpiston, in being then passed through the 3rd mould with
3rd external mold drawing is combined, and is shaped to handrail stainless-steel pipe.
Further, mould and mould in described first external mold drawing process, in described second in described first
With mould in described second external mold drawing process and in the described 3rd with in described 3rd external mold drawing process,
Using drawing lubrication emulsion, described drawing lubrication emulsion raw material components and percentage by weight are as follows: chlorination
Paraffin 2～4%, 2,6 ditertiary butyl p cresol 6～8%, zinc dialkyl dithiophosphate 6～8%, poly-normal-butyl
Vinyl ethers 12～15%, triethanolamine 13～15%, lead naphthenate 10～12%, phosphorus benzene bis-acid potassium dibutyl ester
7～9%, machinery oil 1～26%, surplus be transformer oil.
Beneficial effect:
This handrail advantage of stainless-steel pipe and manufacture method thereof is: 1, the rustless steel that inside and outside employing is relatively thin
Steel pipe, uses unique steel chemical composition, decreases the content of nickel, and a small amount of with the addition of compound rare-earth,
Mechanical strength and the decay resistance of prestressed draw-bar can either be ensured, decrease again cost；And it is middle
Use the round rectangle pipe of thicker carbon structural steels material, further save material cost, moreover it is possible to significantly
Improve the mechanical strength of handrail stainless-steel pipe.2, middle steel pipe uses round rectangle pipe, both ensure that square
Shape pipe and the combined strength bination of inside and outside steel pipe, have the bending resistance that can be greatly improved handrail stainless-steel pipe.
3, between interior steel pipe and middle steel pipe and between middle steel pipe and outer steel pipe, oil heatpiston is all filled,
The defect of handrail ice-cold feel when effectively overcoming microthermal climate.4, all use in each drawing process and change
The drawing lubrication emulsion entered, substantially increases drawing efficiency, and improves the surface quality of steel pipe.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of the handrail stainless-steel pipe of the present invention；
Fig. 2 is the schematic diagram of the middle steel pipe of the handrail stainless-steel pipe of the present invention；
Fig. 3 is the manufacture method schematic flow sheet of the handrail stainless-steel pipe of the present invention.
Detailed description of the invention
Embodiment one
As Figure 1-3, the handrail stainless-steel pipe 6 of the present invention includes:
Interior steel pipe 5, described interior steel pipe 5 is arranged on the internal layer of described handrail stainless-steel pipe 6, described interior steel
The material of pipe 5 is rustless steel；
Outer steel pipe 1, described outer steel pipe 1 is arranged on the outer layer of described handrail stainless-steel pipe, described outer steel pipe
The material of 1 is rustless steel；Described interior steel pipe 5 and described outer steel pipe 1 are round steel pipe, described interior steel pipe 5 with
The thickness of described outer steel pipe 1 is equal, for 1.0mm；
Middle steel pipe 3 it is additionally provided with, in described interior steel pipe 5 and institute between described interior steel pipe and described outer steel pipe
State between middle steel pipe 3 and be filled with heat-barrier material between described middle steel pipe 3 and described outer steel pipe 1
(2、4)；The material of described middle steel pipe 3 is carbon structural steels, and described middle steel pipe 3 is round rectangle pipe,
The medial wall of described middle steel pipe 3 is tangent with the lateral wall of described interior steel pipe 5, the circle of described middle steel pipe 3
The lateral wall at angle 7 is tangent with the medial wall of described outer steel pipe 1, and the thickness of described middle steel pipe 3 is 2.0mm,
The radius of the medial wall of the chamfer radius of the lateral wall of the fillet 7 of described middle steel pipe 3 and described outer steel pipe 1
Equal, the chamfer radius of the lateral wall of described fillet 7 is the 2 of the chamfer radius of the medial wall of described fillet 7
Times, the lateral wall arc length of described fillet 7 is 2 times of the thickness of described outer steel pipe 1.
The material composition of described interior steel pipe and described outer steel pipe is by mass percentage: carbon 0.08%, silicon 0.38%,
Manganese 1.00%, chromium 0.65%, nickel 1.22%, phosphorus 0～0.012%, sulfur 0～0.012%, titanium 0.02%～0.03%,
Vanadium 0.020%～0.042%, compound rare-earth 0.090%, cadmium 0.04%, boron 0.0045%, oxygen≤0.0012%,
Nitrogen≤0.0060%, hydrogen≤0.0001%, arsenic≤0.010%, lead≤0.010%, stannum≤0.010%, antimony≤
0.010%, surplus is ferrum and other trace impurities inevitable；Described compound rare-earth is by mass percentage
Gd 10%, Pr 8%, Er 10%, Ho 12%, Nd 10%, Sm 10%, surplus is Tm.
For achieving the above object, the present embodiment additionally provides a kind of side manufacturing above-mentioned handrail stainless-steel pipe
Method, the method comprises the steps:
(1) steel pipe and outer steel pipe in stainless steel is manufactured:
A1 smelts: desulfurizing iron is skimmed, converter smelting, slag-stopping tapping, ladle deoxidation alloy rare earth, steel
Crystal refines；
B1 hot rolling: pole base continuous casting, the heating of pole base, roll piercing, sizing processing, wherein, first with tiltedly
Bottom-type heating furnace heating pole, it is 1180 DEG C that base controls temperature, then uses two-roller skew-rolling machine to the circle after heating
Rod base carries out roll piercing, with three-roll sizing mill, the hollow billet after roll piercing is carried out sizing processing afterwards,
Rear air cooling obtains stainless-steel seamless pipe pipe.
(2) steel pipe in the middle of carbon structural steels is manufactured:
A2 smelts: desulfurizing iron is skimmed, converter smelting, slag-stopping tapping, ladle deoxidation alloying, molten steel essence
Refining；Described carbon structural steels material composition is by mass percentage: carbon 0.40%, manganese 1.20%, phosphorus 0～
0.015%, sulfur 0～0.015%, oxygen≤0.0015%, nitrogen≤0.0060%, hydrogen≤0.0001%, arsenic≤0.010%,
Lead≤0.010%, stannum≤0.010%, antimony≤0.010%, surplus is ferrum and other trace impurities inevitable；
B2 hot rolling: pole base continuous casting, the heating of pole base, roll piercing, sizing processing, wherein, first with tiltedly
Bottom-type heating furnace heating pole, it is 1110 DEG C that base controls temperature, then uses two-roller skew-rolling machine to the circle after heating
Rod base carries out roll piercing, with three-roll sizing mill, the hollow billet after roll piercing is carried out sizing processing afterwards,
Rear air cooling obtains the carbon structural steels seamless steel tube blank of circle；
C2 round rectangle pipe drawing molding: the circular carbon structural steels seamless steel tube blank that hot-roll forming is obtained
In first, mould and the first external mold drawing are shaped to the inside and outside round rectangle pipe with rounded corners；
(3) molding handrail stainless-steel pipe:
In the middle of a3, steel pipe is combined: by the heatpiston of interior steel pipe lateral wall coating 5mm thickness；By described fillet
Rectangular tube is enclosed within the interior steel pipe being coated with heatpiston, and in being then passed through second, mould and the second external mold drawing are multiple
Close；
The outer steel pipe of b3 is combined: by composite steel tube lateral wall coating 5mm thickness compound for the drawing of step a3 every
Thermoplastic materials；By outer steel pipe socket on the composite steel tube being coated with heatpiston, mould and in being then passed through the 3rd
Three external mold drawings are combined, and are shaped to handrail stainless-steel pipe.
Further, mould and mould in described first external mold drawing process, in described second in described first
With mould in described second external mold drawing process and in the described 3rd with in described 3rd external mold drawing process,
Using drawing lubrication emulsion, described drawing lubrication emulsion raw material components and percentage by weight are as follows: chlorination
Paraffin 3%, 2,6 ditertiary butyl p cresol 7%, zinc dialkyl dithiophosphate 7%, poly-n-butyl vinyl base
Ether 12%, triethanolamine 15%, lead naphthenate 10%, phosphorus benzene bis-acid potassium dibutyl ester 9%, machinery oil 20%,
Surplus is transformer oil.
Embodiment two
As Figure 1-3, described handrail stainless-steel pipe 6 includes:
Interior steel pipe 5, described interior steel pipe 5 is arranged on the internal layer of described handrail stainless-steel pipe 6, described interior steel
The material of pipe 5 is rustless steel；
Outer steel pipe 1, described outer steel pipe 1 is arranged on the outer layer of described handrail stainless-steel pipe, described outer steel pipe
The material of 1 is rustless steel；Described interior steel pipe 5 and described outer steel pipe 1 are round steel pipe, described interior steel pipe 5 with
The thickness of described outer steel pipe 1 is equal, for 2.0mm；
Middle steel pipe 3 it is additionally provided with, in described interior steel pipe 5 and institute between described interior steel pipe and described outer steel pipe
State between middle steel pipe 3 and be filled with heat-barrier material between described middle steel pipe 3 and described outer steel pipe 1
(2、4)；The material of described middle steel pipe 3 is carbon structural steels, and described middle steel pipe 3 is round rectangle pipe,
The medial wall of described middle steel pipe 3 is tangent with the lateral wall of described interior steel pipe 5, the circle of described middle steel pipe 3
The lateral wall at angle 7 is tangent with the medial wall of described outer steel pipe 1, and the thickness of described middle steel pipe 3 is 4.0mm,
The radius of the medial wall of the chamfer radius of the lateral wall of the fillet 7 of described middle steel pipe 3 and described outer steel pipe 1
Equal, the chamfer radius of the lateral wall of described fillet 7 is the 4 of the chamfer radius of the medial wall of described fillet 7
Times, the lateral wall arc length of described fillet 7 is 3 times of the thickness of described outer steel pipe 1.
The material composition of described interior steel pipe and described outer steel pipe is by mass percentage: carbon 0.06%, silicon 0.28%,
Manganese 0.95%, chromium 0.48%, nickel 1.28%, phosphorus 0～0.012%, sulfur 0～0.012%, titanium 0.02%, vanadium
0.030%, compound rare-earth 0.10%, cadmium 0.04%, boron 0.0055%, oxygen≤0.0012%, nitrogen≤0.0060%,
Hydrogen≤0.0001%, arsenic≤0.010%, lead≤0.010%, stannum≤0.010%, antimony≤0.010%, surplus is ferrum
With inevitably other trace impurities；Described compound rare-earth be by mass percentage Gd 12%, Pr 8%,
Er 12%, Ho 10%, Nd 12%, Sm 8%, surplus is Tm.
For achieving the above object, the present embodiment additionally provides a kind of side manufacturing above-mentioned handrail stainless-steel pipe
Method, the method comprises the steps:
(1) steel pipe and outer steel pipe in stainless steel is manufactured:
A1 smelts: desulfurizing iron is skimmed, converter smelting, slag-stopping tapping, ladle deoxidation alloy rare earth, steel
Crystal refines；
B1 hot rolling: pole base continuous casting, the heating of pole base, roll piercing, sizing processing, wherein, first with tiltedly
Bottom-type heating furnace heating pole, it is 1160 DEG C that base controls temperature, then uses two-roller skew-rolling machine to the circle after heating
Rod base carries out roll piercing, with three-roll sizing mill, the hollow billet after roll piercing is carried out sizing processing afterwards,
Rear air cooling obtains stainless-steel seamless pipe pipe.
(2) steel pipe in the middle of carbon structural steels is manufactured:
A2 smelts: desulfurizing iron is skimmed, converter smelting, slag-stopping tapping, ladle deoxidation alloying, molten steel essence
Refining；Described carbon structural steels material composition is by mass percentage: carbon 0.45%, manganese 0.80%%, phosphorus 0～
0.015%, sulfur 0～0.015%, oxygen≤0.0015%, nitrogen≤0.0060%, hydrogen≤0.0001%, arsenic≤0.010%,
Lead≤0.010%, stannum≤0.010%, antimony≤0.010%, surplus is ferrum and other trace impurities inevitable；
B2 hot rolling: pole base continuous casting, the heating of pole base, roll piercing, sizing processing, wherein, first with tiltedly
Bottom-type heating furnace heating pole, it is 1080 DEG C that base controls temperature, then uses two-roller skew-rolling machine to the circle after heating
Rod base carries out roll piercing, with three-roll sizing mill, the hollow billet after roll piercing is carried out sizing processing afterwards,
Rear air cooling obtains the carbon structural steels seamless steel tube blank of circle；
C2 round rectangle pipe drawing molding: the circular carbon structural steels seamless steel tube blank that hot-roll forming is obtained
In first, mould and the first external mold drawing are shaped to the inside and outside round rectangle pipe with rounded corners；
(3) molding handrail stainless-steel pipe:
In the middle of a3, steel pipe is combined: by the heatpiston of interior steel pipe lateral wall coating 10mm thickness；By described circle
Angular moment shape pipe box on the interior steel pipe being coated with heatpiston, mould and the second external mold drawing in being then passed through second
Compound；
The outer steel pipe of b3 is combined: by composite steel tube lateral wall coating 10mm thickness compound for the drawing of step a3 every
Thermoplastic materials；By outer steel pipe socket on the composite steel tube being coated with heatpiston, mould and in being then passed through the 3rd
Three external mold drawings are combined, and are shaped to handrail stainless-steel pipe.
Further, mould and mould in described first external mold drawing process, in described second in described first
With mould in described second external mold drawing process and in the described 3rd with in described 3rd external mold drawing process,
Using drawing lubrication emulsion, described drawing lubrication emulsion raw material components and percentage by weight are as follows: chlorination
Paraffin 3%, 2,6 ditertiary butyl p cresol 7%, zinc dialkyl dithiophosphate 6%, poly-n-butyl vinyl base
Ether 15%, triethanolamine 13%, lead naphthenate 12%, phosphorus benzene bis-acid potassium dibutyl ester 9%, machinery oil 18%,
Surplus is transformer oil.
Last institute is it should be noted that, above example is only in order to illustrate technical scheme rather than to this
The restriction of invention protection domain, although the present invention being explained in detail with reference to preferred embodiment, this area
It is to be appreciated by one skilled in the art that technical scheme can be modified or equivalent, and
Spirit and scope without departing from technical solution of the present invention.
Claims (3)
1. a handrail stainless-steel pipe, described handrail stainless-steel pipe includes:
Interior steel pipe, described interior steel pipe is arranged on the internal layer of described handrail stainless-steel pipe, and the material of described interior steel pipe is rustless steel；
Outer steel pipe, described outer steel pipe is arranged on the outer layer of described handrail stainless-steel pipe, and the material of described outer steel pipe is rustless steel；
It is characterized in that, between described interior steel pipe and described outer steel pipe, be at least filled with one layer of heat-barrier material；
Wherein, described interior steel pipe and described outer steel pipe are round steel pipe, and described interior steel pipe is equal with the thickness of described outer steel pipe, for 1.0-2.0mm；
Between described interior steel pipe and described outer steel pipe, it is additionally provided with middle steel pipe, between described interior steel pipe and described middle steel pipe and between described middle steel pipe and described outer steel pipe, is filled with heat-barrier material；
The material of described middle steel pipe is carbon structural steels, described middle steel pipe is round rectangle pipe, the medial wall of described middle steel pipe is tangent with the lateral wall of described interior steel pipe, the lateral wall of the fillet of described middle steel pipe is tangent with the medial wall of described outer steel pipe, the thickness of described middle steel pipe is 2.0-4.0mm, the chamfer radius of the lateral wall of the fillet of described middle steel pipe is equal with the radius of the medial wall of described outer steel pipe, the chamfer radius of the lateral wall of described fillet is 2-4 times of the chamfer radius of the medial wall of described fillet, the lateral wall arc length of described fillet is 2-3 times of the thickness of described outer steel pipe；
nullThe material composition of described interior steel pipe and described outer steel pipe is by mass percentage: carbon 0.02%～0.10%，Silicon 0.22%～0.46%，Manganese 0.65%～1.05%，Chromium 0.45%～0.80%，Nickel 1.20%～1.45%，Phosphorus 0～0.012%，Sulfur 0～0.012%，Titanium 0.02%～0.03%，Vanadium 0.020%～0.042%，Compound rare-earth 0.08-0.10%，Cadmium 0.02%～0.05%，Boron 0.0040%～0.0055%，Oxygen≤0.0012%，Nitrogen≤0.0060%，Hydrogen≤0.0001%，Arsenic≤0.010%，Lead≤0.010%，Stannum≤0.010%，Antimony≤0.010%，Surplus is ferrum and other trace impurities inevitable；Described compound rare-earth is Gd 10-12%, Pr 5-8%, Er 10-12%, Ho 10-12%, Nd 10-12%, Sm 8-10% by mass percentage, and surplus is Tm.
2. manufacturing a manufacture method for handrail stainless-steel pipe described in the claims 1, the method comprises the steps:
(1) steel pipe and outer steel pipe in stainless steel is manufactured:
A1 smelts: desulfurizing iron is skimmed, converter smelting, slag-stopping tapping, ladle deoxidation alloy rare earth, liquid steel refining；
B1 hot rolling: pole base continuous casting, the heating of pole base, roll piercing, sizing processing, wherein, first heat pole base by Sloping Hearth Heating Furnace, control temperature and be 1150-1200 DEG C, use two-roller skew-rolling machine that the pole base after heating is carried out roll piercing again, with three-roll sizing mill, the hollow billet after roll piercing being carried out sizing processing afterwards, last air cooling obtains stainless-steel seamless pipe pipe；
(2) steel pipe in the middle of carbon structural steels is manufactured:
A2 smelts: desulfurizing iron is skimmed, converter smelting, slag-stopping tapping, ladle deoxidation alloying, liquid steel refining；Described carbon structural steels material composition is by mass percentage: carbon 0.35%～0.45%, manganese 0.75%～1.25%, phosphorus 0～0.015%, sulfur 0～0.015%, oxygen≤0.0015%, nitrogen≤0.0060%, hydrogen≤0.0001%, arsenic≤0.010%, lead≤0.010%, stannum≤0.010%, antimony≤0.010%, surplus is ferrum and other trace impurities inevitable；
B2 hot rolling: pole base continuous casting, the heating of pole base, roll piercing, sizing processing, wherein, first heat pole base by Sloping Hearth Heating Furnace, control temperature and be 1050-1120 DEG C, use two-roller skew-rolling machine that the pole base after heating is carried out roll piercing again, with three-roll sizing mill, the hollow billet after roll piercing being carried out sizing processing afterwards, last air cooling obtains the carbon structural steels seamless steel tube blank of circle；
C2 round rectangle pipe drawing molding: the circular carbon structural steels seamless steel tube blank obtained by hot-roll forming mould and first external mold drawing in first are shaped to the inside and outside round rectangle pipe with rounded corners；
(3) molding handrail stainless-steel pipe:
In the middle of a3, steel pipe is combined: by the heatpiston of interior steel pipe lateral wall coating 5-10mm thickness；By described round rectangle pipe box on the interior steel pipe being coated with heatpiston, in being then passed through second, mould and the second external mold drawing are combined；
The outer steel pipe of b3 is combined: by the heatpiston of composite steel tube lateral wall coating 5-10mm thickness compound for the drawing of step a3；By outer steel pipe socket on the composite steel tube being coated with heatpiston, in being then passed through the 3rd, mould and the 3rd external mold drawing are combined, and are shaped to handrail stainless-steel pipe.
3. the manufacture method of handrail stainless-steel pipe as claimed in claim 2, it is characterised in that:
In described first in mould and described first external mold drawing process, in described second in mould and described second external mold drawing process and in the described 3rd mould with in described 3rd external mold drawing process, use drawing lubrication emulsion, described drawing lubrication emulsion raw material components and percentage by weight are as follows: chlorinated paraffin 2～4%, 2, 6-ditertbutylparacresol 6～8%, zinc dialkyl dithiophosphate 6～8%, poly-n-butyl vinyl ether 12～15%, triethanolamine 13～15%, lead naphthenate 10～12%, phosphorus benzene bis-acid potassium dibutyl ester 7～9%, machinery oil 1～26%, surplus is transformer oil.
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| CN108637598A (en) * | 2018-04-28 | 2018-10-12 | 王彩霞 | Dumbbell, barbell handle anti-oxidation metal surface manufacturing method |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2903385Y (en) * | 2006-05-18 | 2007-05-23 | 李长城 | Ventilating duct for engineering tunnel |
| CN101233360A (en) * | 2005-06-06 | 2008-07-30 | 卡伯特公司 | Insulated pipe and method for preparing same |
| CN202391009U (en) * | 2011-11-08 | 2012-08-22 | 南通金恒不锈钢制管有限公司 | Composite stainless steel pipe |
| CN103088960A (en) * | 2011-11-08 | 2013-05-08 | 南通金恒不锈钢制管有限公司 | Composite stainless steel pipe |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003161134A (en) * | 2001-11-22 | 2003-06-06 | Fujikoo:Kk | Metal fiber cylindrical body for automobile muffler or the like |
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Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101233360A (en) * | 2005-06-06 | 2008-07-30 | 卡伯特公司 | Insulated pipe and method for preparing same |
| CN2903385Y (en) * | 2006-05-18 | 2007-05-23 | 李长城 | Ventilating duct for engineering tunnel |
| CN202391009U (en) * | 2011-11-08 | 2012-08-22 | 南通金恒不锈钢制管有限公司 | Composite stainless steel pipe |
| CN103088960A (en) * | 2011-11-08 | 2013-05-08 | 南通金恒不锈钢制管有限公司 | Composite stainless steel pipe |
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| CN104831186A (en) | 2015-08-12 |
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