CN116083814A - Preparation method of stainless steel pipe with high wear resistance - Google Patents
Preparation method of stainless steel pipe with high wear resistance Download PDFInfo
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- CN116083814A CN116083814A CN202310156528.7A CN202310156528A CN116083814A CN 116083814 A CN116083814 A CN 116083814A CN 202310156528 A CN202310156528 A CN 202310156528A CN 116083814 A CN116083814 A CN 116083814A
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- 229910001220 stainless steel Inorganic materials 0.000 title claims abstract description 117
- 239000010935 stainless steel Substances 0.000 title claims abstract description 117
- 238000002360 preparation method Methods 0.000 title claims abstract description 11
- PWHULOQIROXLJO-UHFFFAOYSA-N Manganese Chemical compound [Mn] PWHULOQIROXLJO-UHFFFAOYSA-N 0.000 claims abstract description 21
- 229910052748 manganese Inorganic materials 0.000 claims abstract description 21
- 239000011572 manganese Substances 0.000 claims abstract description 21
- 229910017052 cobalt Inorganic materials 0.000 claims abstract description 20
- 239000010941 cobalt Substances 0.000 claims abstract description 20
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 claims abstract description 20
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims abstract description 19
- 229910052782 aluminium Inorganic materials 0.000 claims abstract description 19
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims abstract description 19
- 229910052710 silicon Inorganic materials 0.000 claims abstract description 19
- 239000010703 silicon Substances 0.000 claims abstract description 19
- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 claims abstract description 18
- 229910052750 molybdenum Inorganic materials 0.000 claims abstract description 14
- 239000011733 molybdenum Substances 0.000 claims abstract description 14
- WPBNNNQJVZRUHP-UHFFFAOYSA-L manganese(2+);methyl n-[[2-(methoxycarbonylcarbamothioylamino)phenyl]carbamothioyl]carbamate;n-[2-(sulfidocarbothioylamino)ethyl]carbamodithioate Chemical compound [Mn+2].[S-]C(=S)NCCNC([S-])=S.COC(=O)NC(=S)NC1=CC=CC=C1NC(=S)NC(=O)OC WPBNNNQJVZRUHP-UHFFFAOYSA-L 0.000 claims abstract description 8
- 229910000831 Steel Inorganic materials 0.000 claims description 39
- 239000010959 steel Substances 0.000 claims description 39
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 claims description 24
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 claims description 20
- 229910052804 chromium Inorganic materials 0.000 claims description 20
- 239000011651 chromium Substances 0.000 claims description 20
- 239000007789 gas Substances 0.000 claims description 20
- 238000007670 refining Methods 0.000 claims description 20
- 238000010438 heat treatment Methods 0.000 claims description 17
- 238000001816 cooling Methods 0.000 claims description 16
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 12
- 229910052786 argon Inorganic materials 0.000 claims description 12
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 12
- 229910052729 chemical element Inorganic materials 0.000 claims description 12
- 238000001514 detection method Methods 0.000 claims description 12
- 238000002844 melting Methods 0.000 claims description 12
- 230000008018 melting Effects 0.000 claims description 12
- 239000001301 oxygen Substances 0.000 claims description 12
- 229910052760 oxygen Inorganic materials 0.000 claims description 12
- 239000002699 waste material Substances 0.000 claims description 11
- 239000002253 acid Substances 0.000 claims description 7
- 238000004140 cleaning Methods 0.000 claims description 6
- 238000005520 cutting process Methods 0.000 claims description 6
- 229910052742 iron Inorganic materials 0.000 claims description 6
- 238000005498 polishing Methods 0.000 claims description 6
- 239000002994 raw material Substances 0.000 claims description 6
- 238000000034 method Methods 0.000 claims 10
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 abstract description 30
- 238000005260 corrosion Methods 0.000 abstract description 23
- 230000007797 corrosion Effects 0.000 abstract description 23
- 229910052759 nickel Inorganic materials 0.000 abstract description 15
- 238000004519 manufacturing process Methods 0.000 abstract description 11
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 abstract description 7
- RWSOTUBLDIXVET-UHFFFAOYSA-N Dihydrogen sulfide Chemical compound S RWSOTUBLDIXVET-UHFFFAOYSA-N 0.000 abstract description 5
- 229910000037 hydrogen sulfide Inorganic materials 0.000 abstract description 5
- 229910021529 ammonia Inorganic materials 0.000 abstract description 2
- 239000012535 impurity Substances 0.000 description 8
- 238000006243 chemical reaction Methods 0.000 description 4
- 229910052751 metal Inorganic materials 0.000 description 4
- 239000002184 metal Substances 0.000 description 4
- 239000000463 material Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000003513 alkali Substances 0.000 description 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
- C22C38/38—Ferrous alloys, e.g. steel alloys containing chromium with more than 1.5% by weight of manganese
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P15/00—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21C—PROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OF WROUGHT-IRON OR STEEL; TREATMENT IN MOLTEN STATE OF FERROUS ALLOYS
- C21C5/00—Manufacture of carbon-steel, e.g. plain mild steel, medium carbon steel or cast steel or stainless steel
- C21C5/005—Manufacture of stainless steel
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C33/00—Making ferrous alloys
- C22C33/04—Making ferrous alloys by melting
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/02—Ferrous alloys, e.g. steel alloys containing silicon
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/04—Ferrous alloys, e.g. steel alloys containing manganese
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/06—Ferrous alloys, e.g. steel alloys containing aluminium
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
- C22C38/22—Ferrous alloys, e.g. steel alloys containing chromium with molybdenum or tungsten
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
- C22C38/30—Ferrous alloys, e.g. steel alloys containing chromium with cobalt
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/20—Recycling
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Manufacturing & Machinery (AREA)
- Heat Treatment Of Articles (AREA)
Abstract
The invention discloses a preparation method of a stainless steel tube with high wear resistance, and relates to the field of stainless steel tube manufacturing. According to the invention, elements such as manganese, cobalt, silicon, aluminum and molybdenum are added, manganese is used for replacing nickel element, so that the nickel element is reduced, the performance of the stainless steel is ensured not to be greatly reduced, the stainless steel tube can be normally produced and used, meanwhile, the corrosion resistance of the stainless steel is increased by adding cobalt element, so that the influence of manganese on the performance of the stainless steel is counteracted by adding manganese into the stainless steel, the influence of manganese on the stainless steel is effectively reduced, the strength of the stainless steel is further improved by adding silicon, the wear resistance of the stainless steel is greatly improved by adding aluminum, the stainless steel tube has high wear resistance, the molybdenum element can increase the heat resistance and the corrosion resistance of the stainless steel, particularly the corrosion resistance of the stainless steel is particularly strong when hydrogen sulfide and ammonia are strong, and the heat resistance and the corrosion resistance of the stainless steel are further improved.
Description
Technical Field
The invention relates to the field of stainless steel tube manufacturing, in particular to a preparation method of a high-wear-resistance stainless steel tube.
Background
The stainless steel pipe belongs to one of stainless steel products, can be used as a bracket, can be used as a mechanical product, can be used as a large-scale heating boiler, and is mainly widely used for industrial conveying pipelines, mechanical structural parts and the like of petroleum, chemical industry, medical treatment, food, light industry, mechanical instruments and the like.
Along with the development of the times, the stainless steel pipe is gradually advanced, and at present, in the production and manufacture of the stainless steel pipe, nickel element is mostly added to improve the strength of the steel, meanwhile, the steel can be kept to have good plasticity and toughness, and has high corrosion resistance to acid and alkali, and the stainless steel pipe has rust resistance and heat resistance at high temperature, so that the stainless steel pipe is very suitable for the stainless steel pipe.
However, nickel is a scarce material, so that the price of the nickel is relatively high, the production cost of the stainless steel tube is increased to a certain extent, and in order to develop the national development, a stainless steel tube with low production cost and good performance is urgently needed to be researched.
Disclosure of Invention
Based on the above, the invention aims to provide a preparation method of a stainless steel pipe with high wear resistance so as to solve the technical problem.
In order to achieve the above purpose, the present invention provides the following technical solutions: the preparation method of the stainless steel pipe with high wear resistance comprises the steps of molten steel refining, forming, straightening, appearance treatment and performance detection, and comprises the following steps:
s1: molten steel is refined, waste steel is poured into a melting furnace for high-temperature refining, chromium and a certain amount of chemical elements are added into the melting furnace, then the solution is poured into a refining furnace, gas is added, then waste iron is added, and molten steel is formed after heating;
s2: pouring molten steel into a cylindrical die to form a steel cylindrical blank, cutting the blank, cleaning with hot acid, heating for softening and perforating to obtain a stainless steel tube blank;
s3: straightening, namely cooling the tube blank, and then conveying the tube blank to a straightener for straightening;
s4: appearance treatment, namely polishing and grinding the straightened tube blank inside and outside to obtain a formed stainless steel tube;
s5: and (3) performance detection, wherein a tester is used for testing the stainless steel pipe.
The invention is further provided that the chemical elements added in the S1 are elements such as manganese, cobalt, silicon, aluminum, molybdenum and the like, wherein the proportion of chromium is 10.5-12% of that of the stainless steel raw material, and the proportion of manganese is 0.5-6%.
The invention is further arranged such that the cobalt is present in an amount of 15-20% and the silicon is present in an amount of 0.5-1.5%.
The invention is further arranged that the aluminum accounts for less than or equal to 3 percent and the molybdenum accounts for 0.1 to 1 percent.
The invention is further arranged that the gas is argon and oxygen, and the gas contains 95-98% of argon and 2-5% of oxygen.
The invention further provides that the stainless steel pipe blank in the S2-S3 is conveyed to the straightener through the conveyor, and air cooling equipment is arranged at two sides of the conveyor.
In summary, the invention has the following advantages:
according to the invention, elements such as manganese, cobalt, silicon, aluminum, molybdenum and the like are added, and manganese is used for replacing nickel element, so that the use of nickel element is reduced, the performance of steel is ensured not to be greatly reduced, normal production and use of stainless steel pipes are ensured, and meanwhile, the corrosion resistance of the stainless steel is increased by adding cobalt element, so that the influence of adding manganese into the stainless steel on the performance of the stainless steel is counteracted, and the influence of manganese on the stainless steel is effectively reduced.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below. The following examples are illustrative only and are not to be construed as limiting the invention.
Hereinafter, an embodiment of the present invention will be described in accordance with its entire structure.
The preparation method of the stainless steel pipe with high wear resistance comprises the steps of molten steel refining, forming, straightening, appearance treatment and performance detection, and comprises the following steps:
s1: molten steel is refined, waste steel is poured into a melting furnace for high-temperature refining, 10.5-12% of chromium and a certain amount of chemical elements are added into the melting furnace, the chromium ensures that the subsequent stainless steel pipe has toughness and is not brittle, meanwhile, the chromium changes the stability of the subsequent stainless steel pipe to heat treatment along with the increased content of the chromium, the solution is poured into a refining furnace and is injected with gas, the gas is argon and oxygen, and the gas contains 95-98% of argon and 2-5% of oxygen, so that part of impurities in the solution are converted into gas, other impurities float on the surface for removal, then, the waste iron is added, the metal solution reaction is further promoted, and molten steel is formed after heating;
s2: pouring molten steel into a cylindrical die to form a steel cylindrical blank, cutting the blank, cleaning with hot acid, heating for softening and perforating to obtain a stainless steel tube blank;
s3: straightening, namely cooling the tube blank, conveying the stainless steel tube blank to a straightener through a conveyor, arranging air cooling and cooling equipment on two sides of the conveyor, ensuring that the tube blank is sufficiently cooled when being conveyed to the straightener, and conveying the tube blank to the straightener for straightening;
s4: appearance treatment, namely polishing and grinding the straightened tube blank inside and outside to obtain a formed stainless steel tube;
s5: and (3) performance detection, wherein a tester is used for testing the stainless steel pipe.
In the embodiment, the chemical elements added in S1 are elements such as manganese, cobalt, silicon, aluminum and molybdenum, wherein the proportion of manganese is 0.5-6% of the stainless steel raw material, manganese is utilized to replace nickel element, so that normal production and use of the stainless steel can be ensured while the use of nickel element is reduced, the proportion of cobalt is 15-20%, the corrosion resistance of the stainless steel can be increased by adding cobalt element, so that the influence of manganese on the stainless steel is reduced, the proportion of silicon is 0.5-1.5%, the strength of the stainless steel can be further improved by adding silicon, the proportion of aluminum is less than or equal to 3%, the wear resistance of the stainless steel is greatly improved by adding aluminum, the stainless steel pipe has high wear resistance, the proportion of molybdenum is 0.1-1%, the heat resistance and corrosion resistance hardness of the stainless steel can be increased, particularly the corrosion resistance when hydrogen sulfide and ammonia are strong, and the heat resistance and corrosion resistance hardness of the stainless steel are further improved.
Example two
The preparation method of the stainless steel pipe with high wear resistance comprises the steps of molten steel refining, forming, straightening, appearance treatment and performance detection, and comprises the following steps:
s1: molten steel is refined, waste steel is poured into a melting furnace for high-temperature refining, 10.5% of chromium and a certain amount of chemical elements are added into the melting furnace, the chromium ensures that the subsequent stainless steel pipe has toughness and is not brittle, meanwhile, the chromium changes the stability of the subsequent stainless steel pipe to heat treatment along with the increased content of the chromium, the solution is poured into a refining furnace, gas is filled into the refining furnace, argon and oxygen are contained in the gas, and the argon is 98% and the oxygen is 2%, so that part of impurities in the solution are converted into gas, other impurities float on the surface for removal, then, scrap iron is added, the metal solution reaction is further promoted, and molten steel is formed after heating;
s2: pouring molten steel into a cylindrical die to form a steel cylindrical blank, cutting the blank, cleaning with hot acid, heating for softening and perforating to obtain a stainless steel tube blank;
s3: straightening, namely cooling the tube blank, conveying the stainless steel tube blank to a straightener through a conveyor, arranging air cooling and cooling equipment on two sides of the conveyor, ensuring that the tube blank is sufficiently cooled when being conveyed to the straightener, and conveying the tube blank to the straightener for straightening;
s4: appearance treatment, namely polishing and grinding the straightened tube blank inside and outside to obtain a formed stainless steel tube;
s5: and (3) performance detection, wherein a tester is used for testing the stainless steel pipe.
In the embodiment, the chemical elements added in S1 are elements such as manganese, cobalt, silicon, aluminum and molybdenum, wherein the proportion of manganese is 0.5% of the stainless steel raw material, manganese is utilized to replace nickel element, so that normal production and use of the stainless steel can be ensured while the use of nickel element is reduced, the proportion of cobalt is 15%, the corrosion resistance of the stainless steel can be increased by adding cobalt element, the influence of manganese on the stainless steel is reduced, the proportion of silicon is 1.5%, the strength of the stainless steel can be further improved by adding silicon, the proportion of aluminum is 2%, the wear resistance of the stainless steel is greatly improved by adding aluminum, the stainless steel pipe has high wear resistance, the proportion of molybdenum is 1%, the heat resistance and the corrosion resistance hardness of the stainless steel can be improved by adding molybdenum element, particularly, the heat resistance and the corrosion resistance hardness of the stainless steel can be particularly strong when hydrogen sulfide and ammonia gas are strong, and the heat resistance and the corrosion resistance hardness of the stainless steel are further improved.
Example III
The preparation method of the stainless steel pipe with high wear resistance comprises the steps of molten steel refining, forming, straightening, appearance treatment and performance detection, and comprises the following steps:
s1: molten steel is refined, waste steel is poured into a melting furnace for high-temperature refining, 11% of chromium and a certain amount of chemical elements are added into the melting furnace, the chromium ensures that the subsequent stainless steel pipe has toughness and is not brittle, meanwhile, the chromium can change the stability of the subsequent stainless steel pipe to heat treatment along with the increased content of the chromium, the solution is poured into a refining furnace, gas is filled into the refining furnace, argon and oxygen are contained in the gas, and the gas contains 95% of argon and 5% of oxygen, so that part of impurities in the solution are converted into gas, and other impurities float on the surface for removal, then the waste iron is added, further metal solution reaction is promoted, and molten steel is formed after heating;
s2: pouring molten steel into a cylindrical die to form a steel cylindrical blank, cutting the blank, cleaning with hot acid, heating for softening and perforating to obtain a stainless steel tube blank;
s3: straightening, namely cooling the tube blank, conveying the stainless steel tube blank to a straightener through a conveyor, arranging air cooling and cooling equipment on two sides of the conveyor, ensuring that the tube blank is sufficiently cooled when being conveyed to the straightener, and conveying the tube blank to the straightener for straightening;
s4: appearance treatment, namely polishing and grinding the straightened tube blank inside and outside to obtain a formed stainless steel tube;
s5: and (3) performance detection, wherein a tester is used for testing the stainless steel pipe.
In the embodiment, the chemical elements added in S1 are elements such as manganese, cobalt, silicon, aluminum and molybdenum, wherein the proportion of manganese is 1% of the stainless steel raw material, manganese is used for replacing nickel element, so that the use of nickel element is reduced, normal production and use of the stainless steel are ensured, the proportion of cobalt is 15.5%, the corrosion resistance of the stainless steel can be improved by adding cobalt element, the influence of manganese on the stainless steel is reduced, the proportion of silicon is 1.25%, the strength of the stainless steel is further improved by adding silicon, the proportion of aluminum is 1.5%, the wear resistance of the stainless steel is greatly improved by adding aluminum, the stainless steel pipe has high wear resistance, the proportion of molybdenum is 0.75%, the heat resistance and the corrosion resistance of the stainless steel can be improved by adding molybdenum element, particularly the corrosion resistance of the stainless steel is strong when hydrogen sulfide and ammonia gas are strong, and the heat resistance and the corrosion resistance of the stainless steel are further improved.
Example IV
The preparation method of the stainless steel pipe with high wear resistance comprises the steps of molten steel refining, forming, straightening, appearance treatment and performance detection, and comprises the following steps:
s1: molten steel is refined, waste steel is poured into a melting furnace for high-temperature refining, 12% of chromium and a certain amount of chemical elements are added into the melting furnace, the chromium ensures that the subsequent stainless steel pipe has toughness and is not brittle, meanwhile, the chromium can change the stability of the subsequent stainless steel pipe to heat treatment along with the increased content of the chromium, the solution is poured into a refining furnace and is injected with gas which is argon and oxygen, and the gas contains 98% of argon and 2% of oxygen, so that part of impurities in the solution are converted into gas, and other impurities float on the surface for removal, then the waste iron is added, further metal solution reaction is promoted, and molten steel is formed after heating;
s2: pouring molten steel into a cylindrical die to form a steel cylindrical blank, cutting the blank, cleaning with hot acid, heating for softening and perforating to obtain a stainless steel tube blank;
s3: straightening, namely cooling the tube blank, conveying the stainless steel tube blank to a straightener through a conveyor, arranging air cooling and cooling equipment on two sides of the conveyor, ensuring that the tube blank is sufficiently cooled when being conveyed to the straightener, and conveying the tube blank to the straightener for straightening;
s4: appearance treatment, namely polishing and grinding the straightened tube blank inside and outside to obtain a formed stainless steel tube;
s5: and (3) performance detection, wherein a tester is used for testing the stainless steel pipe.
In the embodiment, the chemical elements added in S1 are elements such as manganese, cobalt, silicon, aluminum and molybdenum, wherein the proportion of manganese is 5% of the stainless steel raw material, manganese is used for replacing nickel element, so that the use of nickel element is reduced, normal production and use of the stainless steel are ensured, the proportion of cobalt is 20%, the corrosion resistance of the stainless steel can be increased by adding cobalt element, the influence of manganese on the stainless steel is reduced, the proportion of silicon is 1.5%, the strength of the stainless steel is further improved by adding silicon, the proportion of aluminum is 3%, the wear resistance of the stainless steel is greatly improved by adding aluminum, the stainless steel pipe has high wear resistance, the proportion of molybdenum is 0.5%, the heat resistance and the corrosion resistance hardness of the stainless steel can be improved by adding molybdenum element, particularly, the corrosion resistance and the corrosion resistance hardness of the stainless steel can be particularly strong when hydrogen sulfide and ammonia gas are strong, and the heat resistance and the corrosion resistance hardness of the stainless steel are further improved.
Although embodiments of the invention have been shown and described, the detailed description is to be construed as exemplary only and is not limiting of the invention as the particular features, structures, materials, or characteristics may be combined in any suitable manner in any one or more embodiments or examples, and modifications, substitutions, variations, etc. may be made in the embodiments as desired by those skilled in the art without departing from the principles and spirit of the invention, provided that such modifications are within the scope of the appended claims.
Claims (6)
1. The preparation method of the stainless steel pipe with high wear resistance comprises the steps of molten steel refining, forming, straightening, appearance treatment and performance detection, and comprises the following steps:
s1: molten steel is refined, waste steel is poured into a melting furnace for high-temperature refining, chromium and a certain amount of chemical elements are added into the melting furnace, then the solution is poured into a refining furnace, gas is added, then waste iron is added, and molten steel is formed after heating;
s2: pouring molten steel into a cylindrical die to form a steel cylindrical blank, cutting the blank, cleaning with hot acid, heating for softening and perforating to obtain a stainless steel tube blank;
s3: straightening, namely cooling the tube blank, and then conveying the tube blank to a straightener for straightening;
s4: appearance treatment, namely polishing and grinding the straightened tube blank inside and outside to obtain a formed stainless steel tube;
s5: and (3) performance detection, wherein a tester is used for testing the stainless steel pipe.
2. The method for preparing the high wear-resistant stainless steel tube according to claim 1, wherein the method comprises the following steps: the chemical elements added in the S1 are elements such as manganese, cobalt, silicon, aluminum, molybdenum and the like, wherein the proportion of chromium is 10.5-12% of that of the stainless steel raw material, and the proportion of manganese is 0.5-6%.
3. The method for preparing the high wear-resistant stainless steel tube according to claim 2, wherein the method comprises the following steps: the cobalt accounts for 15-20% and the silicon accounts for 0.5-1.5%.
4. The method for preparing the high wear-resistant stainless steel tube according to claim 2, wherein the method comprises the following steps: the aluminum accounts for less than or equal to 3 percent, and the molybdenum accounts for 0.1 to 1 percent.
5. The method for preparing the high wear-resistant stainless steel tube according to claim 1, wherein the method comprises the following steps: the gas is argon and oxygen, and the gas contains 95-98% of argon and 2-5% of oxygen.
6. The method for preparing the high wear-resistant stainless steel tube according to claim 1, wherein the method comprises the following steps: and the stainless steel tube blank in the S2-S3 is conveyed to the straightener through a conveyor, and air cooling equipment is arranged on two sides of the conveyor.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202310156528.7A CN116083814A (en) | 2023-02-23 | 2023-02-23 | Preparation method of stainless steel pipe with high wear resistance |
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| CN202310156528.7A CN116083814A (en) | 2023-02-23 | 2023-02-23 | Preparation method of stainless steel pipe with high wear resistance |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5288347A (en) * | 1990-05-28 | 1994-02-22 | Hitachi Metals, Ltd. | Method of manufacturing high strength and high toughness stainless steel |
| CN107881326A (en) * | 2017-12-10 | 2018-04-06 | 吴文君 | The processing method of stainless steel tube |
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| CN110257726A (en) * | 2019-06-04 | 2019-09-20 | 安徽管益生新材料科技有限公司 | A kind of distortion-free stainless steel pipe production method |
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