CN101974717B - Mandril for copper alloy pipe planetary rolling mill and manufacturing method thereof - Google Patents
Mandril for copper alloy pipe planetary rolling mill and manufacturing method thereof Download PDFInfo
- Publication number
- CN101974717B CN101974717B CN2010105506261A CN201010550626A CN101974717B CN 101974717 B CN101974717 B CN 101974717B CN 2010105506261 A CN2010105506261 A CN 2010105506261A CN 201010550626 A CN201010550626 A CN 201010550626A CN 101974717 B CN101974717 B CN 101974717B
- Authority
- CN
- China
- Prior art keywords
- plug
- planetary rolling
- copper alloy
- rolling mill
- mandril
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Manufacture And Refinement Of Metals (AREA)
- Metal Rolling (AREA)
Abstract
The invention relates to a mandril for a copper alloy pipe planetary rolling mill, which comprises the following components of 35 to 40wt% of nickel, 19 to 21wt% of chromium, 9 to 12wt% of molybdenum, 0.8 to 1.8wt% of manganese, 1.2 to 1.5wt% of titanium, 0.1 to 0.5wt% of vanadium, 0.05 to 0.2wt% of aluminum and the balance ferrum. The mandril material of the invention is an alloy with the nickel as the main material and has the advantages of good high temperature resistance performance, high strength, good flexibility, no invalidation or chap when working at the temperature of 900 to 1000 DEG C for a long time, requirement satisfaction of the temperature of planetary rolling copper alloys, simple preparation technology, easy operation, in particular to the aspects of gold processing, and processing time and cost saving.
Description
Technical field
The present invention relates to a kind of plug, especially a kind of copper alloy tube used for planetary rolling mill plug and method of manufacture thereof.
Background technology
Copper-alloy pipe-material is indispensable critical materials such as condensing surface, water cooler, heat exchanger; Its traditional processing mode is extruding; But lumber recovery is not high; At present domestic the beginning has tangible competitive edge with the short flow process copper alloy coil pipe of planetary rolling production on quality and price, but plug is difficult to bear intensity and not anti-rolling under high temperature more than 900 ℃ during the planetary rolling copper alloy tube; Though at present best material H13 steel when rolling copper-nickel alloy alloy every use the life-span very short, this problem is perplexing the insider always.
Summary of the invention
The objective of the invention is to overcome the deficiency that exists in the prior art, a kind of high temperature resistant, high-intensity copper alloy tube used for planetary rolling mill plug is provided.
According to technical scheme provided by the invention; Consisting of of said copper alloy tube used for planetary rolling mill plug: nickel 35～40%, chromium 19～21%, molybdenum 9～12%, manganese 0.8～1.8%, titanium 1.2～1.5%, vanadium 0.1～0.5%, aluminium 0.05～0.2%, surplus are iron; Content≤0.08% of carbon in this mandrel material, content≤0.5% of impurity in this mandrel material; Unit is a weight percentage
The guiding awl that an end of said plug is a truncated cone-shaped, there is outside screw another end, is columniform calibrating strap between two ends, and uses rectangle at this calibrating strap near the loading and unloading that an externally threaded end setting is parallel to said plug axis.
Make the method for said copper alloy tube used for planetary rolling mill plug, be characterised in that, comprise following process step:
(1) batching: the composition by plug is prepared burden; And make finally consisting of of said mandrel material: nickel 35～40%, chromium 19～21%, molybdenum 9～12%, manganese 0.8～1.8%, titanium 1.2～1.5%, vanadium 0.1～0.5%, aluminium 0.05～0.2%; Content≤0.08% of carbon in this mandrel material, content≤0.5% of impurity in this mandrel material, surplus is an iron; Unit is a weight percentage;
(2) vacuum induction melting: in the vacuum oven crucible, add sequentially: electrolytic nickel, chromium metal, manganese metal, molybdenum bar and carbon steel, the fusing back of heating up adds in Feeding box: Titanium Sponge 40-60 mesh, aluminium ingot and vanadium metal; The vacuum tightness of vacuum induction furnace is: 6.7 * 10
-1～1MPa; Smelting temperature is: 1630～1680 ℃, smelting time 6～15 minutes forms molten metal;
(3) water ingot mould: above-mentioned molten metal is emitted through insulation by pouring gate, and by insulation emit and ingot mould between filtering net be poured in the ingot mould after filtering, form ingot casting, pouring temperature is 1520～1550 ℃;
(4) sawing, forging: go out after the above-mentioned ingot casting that obtains is cooled to 200 ℃～300 ℃ in the ingot mould to take out; Ingot casting is carried out sawing at the insulated feeder place; Ingot casting below the insulated feeder is heated to 1150～1180 ℃ and forges in process furnace, the ingot casting forging ratio is 5～6, obtains pole; The pole that obtains forges back entry solution treatment;
(5) with the above-mentioned pole that obtains after the size that metalworking obtains needing, in heat treatment furnace, heat-treat, thermal treatment temp is 1080～1100 ℃, heat treatment time is 25～28 minutes; After the thermal treatment, pole entry solid solution is obtained plug.
Mandrel material of the present invention is to be main alloy with nickel, and resistance to elevated temperatures is good, and the intensity height does not lose snappiness again simultaneously, can under 900～1000 ℃ of temperature, work not lose efficacy for a long time and not chap, and has satisfied the temperature requirement of planetary rolling copper alloy; And preparation technology is simple, and is easy to operate, especially aspect metalworking, operates easily; Processing saves time province originally.
Description of drawings
Fig. 1 is the structural representation of plug.
Fig. 2 is the structural representation of ingot mould.
Embodiment
Below in conjunction with specific embodiment the present invention is described further.
As shown in Figure 1: the guiding awl 1 that an end of said plug is a truncated cone-shaped; There is outside screw 4 another end; It between two ends columniform calibrating strap 2; And the loading and unloading that are parallel to said plug axis near an end setting of outside screw 4 at this calibrating strap 2 are with rectangle 3, with the use of instruments such as convenient wrench.
Embodiment one:
Chemical Composition (weight percentage, surplus are iron)
| Nickel | Chromium | Molybdenum | Manganese | Titanium | Vanadium | Aluminium |
| 35 | 19 | 9 | 0.8 | 1.2 | 0.1 | 0.05 |
A kind of method of making copper alloy tube used for planetary rolling mill plug comprises following process step:
(1) batching: the composition by plug is prepared burden;
(2) vacuum induction melting: in the vacuum oven crucible, add sequentially: 1# electrolytic nickel, chromium metal, 1# manganese metal, molybdenum bar and 20# carbon steel, the fusing back of heating up adds in Feeding box: Titanium Sponge 40-60 mesh, A00 aluminium ingot and V-2 vanadium metal; The vacuum tightness of vacuum induction furnace is: 1MPa; Smelting temperature is: 1630 ℃, smelting time 15 minutes forms molten metal;
(3) water ingot mould: above-mentioned molten metal is emitted 6 by pouring gate 5 through insulation, and by insulation emit 6 and ingot mould 8 between filtering net 7 be poured in the ingot mould 8 after filtering, form ingot casting, pouring temperature is 1520 ℃;
(4) sawing, forging: go out after the above-mentioned ingot casting that obtains is cooled to 200 ℃ in the ingot mould to take out, ingot casting is carried out sawing at the insulated feeder place, the ingot casting below the insulated feeder is heated to 1150 ℃ and forges in process furnace, and the ingot casting forging ratio is 5, obtains pole; The pole that obtains forges back entry solution treatment;
(5) with the above-mentioned pole that obtains after the size that metalworking obtains needing, in heat treatment furnace, heat-treat, thermal treatment temp is 1080 ℃, heat treatment time is 28 minutes; After the thermal treatment, pole entry solid solution is obtained plug.
Embodiment two:
Chemical Composition (weight percentage, surplus are iron)
| Nickel | Chromium | Molybdenum | Manganese | Titanium | Vanadium | Aluminium |
| 40 | 21 | 12 | 1.8 | 1.5 | 0.5 | 0.2 |
A kind of method of making copper alloy tube used for planetary rolling mill plug comprises following process step:
(1) batching: the composition by plug is prepared burden;
(2) vacuum induction melting: in the vacuum oven crucible, add sequentially: 1# electrolytic nickel, chromium metal, 1# manganese metal, molybdenum bar and 20# carbon steel, the fusing back of heating up adds in Feeding box: Titanium Sponge 40-60 mesh, A00 aluminium ingot and V-2 vanadium metal; The vacuum tightness of vacuum induction furnace is: 6.7 * 10
-1MPa; Smelting temperature is: 1680 ℃, smelting time 6 minutes forms molten metal;
(3) water ingot mould: above-mentioned molten metal is emitted 6 by pouring gate 5 through insulation, and by insulation emit 6 and ingot mould 8 between filtering net 7 be poured in the ingot mould 8 after filtering, form ingot casting, pouring temperature is 1550 ℃;
(4) sawing, forging: go out after the above-mentioned ingot casting that obtains is cooled to 300 ℃ in the ingot mould to take out, ingot casting is carried out sawing at the insulated feeder place, the ingot casting below the insulated feeder is heated to 1180 ℃ and forges in process furnace, and the ingot casting forging ratio is 6, obtains pole; The pole that obtains forges back entry solution treatment;
(5) with the above-mentioned pole that obtains after the size that metalworking obtains needing, in heat treatment furnace, heat-treat, thermal treatment temp is 1100 ℃, heat treatment time is 25 minutes; After the thermal treatment, pole entry solid solution is obtained plug.
Embodiment three:
Chemical Composition (weight percentage, surplus are iron)
| Nickel | Chromium | Molybdenum | Manganese | Titanium | Vanadium | Aluminium |
| 38 | 20 | 10 | 1.5 | 1.3 | 0.3 | 0.1 |
A kind of method of making copper alloy tube used for planetary rolling mill plug comprises following process step:
(1) batching: the composition by plug is prepared burden;
(2) vacuum induction melting: in the vacuum oven crucible, add sequentially: 1# electrolytic nickel, chromium metal, 1# manganese metal, molybdenum bar and 20# carbon steel, the fusing back of heating up adds in Feeding box: Titanium Sponge 40-60 mesh, A00 aluminium ingot and V-2 vanadium metal; The vacuum tightness of vacuum induction furnace is: 8 * 10
-1MPa; Smelting temperature is: 1650 ℃, smelting time 10 minutes forms molten metal;
(3) water ingot mould: water ingot mould: above-mentioned molten metal is emitted 6 by pouring gate 5 through insulation, and by insulation emit 6 and ingot mould 8 between filtering net 7 be poured in the ingot mould 8 after filtering, form ingot casting, pouring temperature is 1530 ℃;
(4) sawing, forging: go out after the above-mentioned ingot casting that obtains is cooled to 250 ℃ in the ingot mould to take out, ingot casting is carried out sawing at the insulated feeder place, the ingot casting below the insulated feeder is heated to 1160 ℃ and forges in process furnace, and the ingot casting forging ratio is 6, obtains pole; The pole that obtains forges back entry solution treatment;
(5) with the above-mentioned pole that obtains after the size that metalworking obtains needing, in heat treatment furnace, heat-treat, thermal treatment temp is 1090 ℃, heat treatment time is 26 minutes; After the thermal treatment, pole entry solid solution is obtained plug.
Visible from above-mentioned 3 embodiment; Plug of the present invention is to be main alloy with nickel, and resistance to elevated temperatures is good, and the intensity height does not lose snappiness again simultaneously; Can under 900～1000 ℃ of temperature, work not lose efficacy for a long time and not chap, satisfy the temperature requirement of planetary rolling copper alloy.
Plug of the present invention uses under HTHP, and die deformation and calibrating strap are slick all the time, can prevent effectively that simultaneously BFe30-1-1 copper-nickel alloy alloy is stained with the copper phenomenon on plug, has improved the inner surface quality of goods greatly.
Mould rolling BFe30-1-1 iron Alpaka tubing simultaneous test on planetary rolling that the mould of plug preparation of the present invention and traditional H13 heated die steel are processed shows, has improved work-ing life more than 5 times.
Existing H13 steel can only be produced 8～15 tons and just scrap, and the mould calibrating strap obviously chaps, and the be full of cracks about dark 0.1～0.2mm is arranged, and makes product size can not get guaranteeing, endoporus has rough silk, in the processing of road, back, can not effectively eliminate, and the finished product flaw detection is defective.
The mould that uses plug of the present invention to be processed into is being produced the inspection of 50 ton hours, and mould is good, and calibrating strap is smooth; Producing 60 ton hours inspection mould calibrating strap fine cracks slightly under 5 times of reading lenses, the product surface size can guarantee that internal surface can't see wire drawing, product be worked into detect a flaw qualified; Increase producing the crackle product surface wire drawing that 70 ton hours inspections mould sizing has 0.05～0.08mm, but size can guarantee that still it is qualified that product is worked into flaw detection that should scrap for guaranteeing the quality of item plug this moment.According to above contrast, plug of the present invention has remarkable advantages on work-ing life, functional, can improve the production capacity production cost bigger with saving of planetary rolling, guarantees the quality of milling material.
Table 1 is for utilizing the contrast (950 ℃ of rolling temperatures) of hardness HRC behind the rolling different quantities alloy of plug processed mould of the present invention:
Table 1
| Rolled alloy quantity (ton) | 0 | 50 | 60 | 70 | 90 |
| Hardness HRC | 52 | 55 | 55 | 53 | 53 |
Claims (2)
1. a copper alloy tube used for planetary rolling mill plug is characterized in that, the consisting of of said mandrel material: nickel 35 ~ 40%, chromium 19 ~ 21%, molybdenum 9 ~ 12%, manganese 0.8 ~ 1.8%, titanium 1.2 ~ 1.5%, vanadium 0.1 ~ 0.5%, aluminium 0.05 ~ 0.2%; Content≤0.08% of carbon in this mandrel material, content≤0.5% of impurity in this mandrel material, surplus is an iron; Unit is a weight percentage.
2. copper alloy tube used for planetary rolling mill plug as claimed in claim 1; It is characterized in that; The guiding awl (1) that an end of said plug is a truncated cone-shaped; There is outside screw (4) another end, is columniform calibrating strap (2) between two ends, and the loading and unloading that are parallel to said plug axis near an end setting of outside screw (4) at this calibrating strap (2) are with rectangle (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010105506261A CN101974717B (en) | 2010-11-17 | 2010-11-17 | Mandril for copper alloy pipe planetary rolling mill and manufacturing method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010105506261A CN101974717B (en) | 2010-11-17 | 2010-11-17 | Mandril for copper alloy pipe planetary rolling mill and manufacturing method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101974717A CN101974717A (en) | 2011-02-16 |
| CN101974717B true CN101974717B (en) | 2012-05-02 |
Family
ID=43574624
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010105506261A Active CN101974717B (en) | 2010-11-17 | 2010-11-17 | Mandril for copper alloy pipe planetary rolling mill and manufacturing method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101974717B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109402424B (en) * | 2018-12-06 | 2020-12-15 | 江苏隆达超合金航材有限公司 | High-temperature alloy core rod applied to rolling copper and copper alloy by planetary rolling mill and preparation method thereof |
| CN110129620A (en) * | 2019-06-11 | 2019-08-16 | 珠海国合融创科技有限公司 | A kind of monel and preparation method thereof |
| CN111876694A (en) * | 2020-08-06 | 2020-11-03 | 无锡隆达金属材料有限公司 | Saw cutting cupronickel ingot casting bar alloy saw blade and production process thereof |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS55119153A (en) * | 1979-03-05 | 1980-09-12 | Hitachi Ltd | Sleeve roll for hot rolling machine |
| JPS5713147A (en) * | 1980-06-25 | 1982-01-23 | Hitachi Ltd | Roll for hot rolling |
| CN1778485A (en) * | 2002-07-01 | 2006-05-31 | 新乡无氧铜材总厂 | Three-roller planetary press movement bar material for press bronze and bronze alloy piping material |
-
2010
- 2010-11-17 CN CN2010105506261A patent/CN101974717B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN101974717A (en) | 2011-02-16 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102418042B (en) | Novel manufacturing process of phi 300 mm-phi 700 mm high-carbon high-chromium cold-working die steel forged round steel | |
| CN103938102B (en) | A kind of preparation method of ferrum-chromium-aluminum system multi-element high-resistance electrothermal alloy | |
| CN102251201B (en) | Preparation method of high purity nickel wire | |
| WO2008061452A1 (en) | Roller for welding pipe mill | |
| CN104152744A (en) | Low-cost medium-high-strength corrosion-resistant titanium alloy and processing method thereof | |
| CN104561815A (en) | High-homogeneous large-size ultrahigh-strength steel bar and production method thereof | |
| CN104263995B (en) | A kind of kamash alloy line | |
| CN103014510B (en) | High-strength cold-extrusion die steel and processing technology thereof | |
| CN107574374A (en) | A kind of yield strength 420MPa levels rare earth Weather-resistance bridge steel plate and its production method | |
| CN103014534A (en) | Cast hot work die steel and processing method thereof | |
| CN103451551B (en) | Preparation method of cast steel perforator top tip with high-temperature resistance and corrosion resistance | |
| CN102000954A (en) | Method for manufacturing continuous pipe mill retained mandrel | |
| CN103282530A (en) | Die steel having superior rusting resistance and thermal conductivity, and method for producing same | |
| CN105177264A (en) | Manufacturing method for stainless steel forged round steel | |
| CN101974717B (en) | Mandril for copper alloy pipe planetary rolling mill and manufacturing method thereof | |
| CN115558860A (en) | Welding wire for high-strength steel containing vanadium and niobium, welding wire for high-strength steel and production method of welding wire | |
| CN105441713A (en) | A titanium alloy seamless tube and a manufacturing method thereof | |
| CN106868337A (en) | A kind of low-resistivity, silicomanganese nickel alloy wire of high-ductility and its preparation method and application | |
| CN115502610A (en) | Welding wire steel wire containing vanadium and titanium for high-strength steel, welding wire for high-strength steel and production method of welding wire | |
| CN105256228A (en) | High-malleability high-density pre-hardened plastic die steel and manufacturing method thereof | |
| CN103789570A (en) | High-strength heat-resisting micro-alloyed copper pipe and preparation method thereof | |
| CN114055092A (en) | Method for manufacturing air-hole ultrahigh-pressure pipe fitting by high-nickel alloy structural steel | |
| CN107557665A (en) | A kind of yield strength 345MPa levels rare earth Weather-resistance bridge steel plate and its production method | |
| CN105088024A (en) | Automobile welding fixture alloy material and preparation method thereof | |
| CN105202275A (en) | Titanium alloy TC4 hot-rolled pipe and preparation method thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: 214105 No.18 Xiangyun Road, anzhen street, Xishan District, Wuxi City, Jiangsu Province Patentee after: Jiangsu Longda Super Alloy Co.,Ltd. Address before: Anzhen street, Xishan District, Wuxi City, Jiangsu Province Patentee before: WUXI LONGDA METAL MATERIALS Co.,Ltd. |
|
| CP03 | Change of name, title or address |