CN104646855A - Production process for ship automatic welding wire capable of accelerating production efficiency - Google Patents
Production process for ship automatic welding wire capable of accelerating production efficiency Download PDFInfo
- Publication number
- CN104646855A CN104646855A CN201510000097.0A CN201510000097A CN104646855A CN 104646855 A CN104646855 A CN 104646855A CN 201510000097 A CN201510000097 A CN 201510000097A CN 104646855 A CN104646855 A CN 104646855A
- Authority
- CN
- China
- Prior art keywords
- percent
- welding wire
- acid pickling
- pressure water
- water washing
- 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.)
- Granted
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K35/00—Rods, electrodes, materials, or media, for use in soldering, welding, or cutting
- B23K35/22—Rods, electrodes, materials, or media, for use in soldering, welding, or cutting characterised by the composition or nature of the material
- B23K35/24—Selection of soldering or welding materials proper
- B23K35/30—Selection of soldering or welding materials proper with the principal constituent melting at less than 1550 degrees C
- B23K35/3053—Fe as the principal constituent
- B23K35/3066—Fe as the principal constituent with Ni as next major constituent
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K35/00—Rods, electrodes, materials, or media, for use in soldering, welding, or cutting
- B23K35/22—Rods, electrodes, materials, or media, for use in soldering, welding, or cutting characterised by the composition or nature of the material
- B23K35/24—Selection of soldering or welding materials proper
- B23K35/30—Selection of soldering or welding materials proper with the principal constituent melting at less than 1550 degrees C
- B23K35/3053—Fe as the principal constituent
- B23K35/3073—Fe as the principal constituent with Mn as next major constituent
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K35/00—Rods, electrodes, materials, or media, for use in soldering, welding, or cutting
- B23K35/40—Making wire or rods for soldering or welding
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Metal Extraction Processes (AREA)
Abstract
The invention relates to a production process for a ship low alloy steel automatic welding wire capable of accelerating production efficiency. The welding wire comprises the following chemical components: 0.02 to 0.1 percent of C, 2 to 4 percent of Mn, 2 to 4 percent of Ni, 0.5 to 1 percent of Mo, 0.5 to 0.8 percent of Si, 0 to 0.5 percent of Cu, 0 to 1.2 percent of Cr, 0 to 0.12 percent of V and 0 to 0.05 percent of Ti. The production process comprises the steps of vacuum melting, forging, steel rolling, hot rolling of a wire rod, mechanical rust removal, chlorohydric acid pickling, neutral water washing, high-pressure water washing, alkali neutralization, boronizing, soap solution saponification, drying, first-time cold drawing, recrystallization annealing, chlorohydric acid pickling, neutral water washing, high-pressure water washing, alkali neutralization, boronizing, soap solution saponification, drying, second-time cold drawing, chlorohydric acid pickling, neutral water washing, high-pressure water washing, alkali neutralization, soap solution saponification, brilliant polishing and drawing and coating of antirust water.
Description
The application is divisional application, the application number of original application: 2012104987530, denomination of invention: one not preheating, not copper facing boats and ships low-alloy steel automatic welding wire and production technology, the applying date: 2012-11-30.
Technical field
The present invention relates to the preparation field of automatic welding wire, particularly one not preheating, not copper facing boats and ships low-alloy steel automatic welding wire and production technology thereof.
Background technology
Low-alloy high-strength steel has good weldability, excellent formability and lower manufacturing cost, is therefore widely used in the fields such as pressure vessel, vehicle, bridge, building, engineering machinery, mining machinery, textile machine, ocean structure, boats and ships, electric power, petrochemical industry, war products and Aero-Space.Along with the raising of steel alloying element content, intensity rank and Welding Structure constraint (restraint) degree, its tendency of hardenability obviously increases, and welding cold cracking has become low-alloy high-strength steel and welded one of subject matter faced.
Usually adopt weld preheating in production, the method for post weld heat treatment produces to avoid weld crack, while bringing the series of problems such as the increase of complex manufacturing, production cost, production efficiency reduction and working environment deterioration, also can increase the softening tendency in welding heat affected zone.
Modern Ships structure adopts high-intensity high-tenacity hull structural steel in a large number, and traditional high intensity for ship steel all belongs to quenched and tempered steel, and this kind of steel generally all needs preheating to prevent the generation of cold crack when welding.A kind of not preheating, not copper facing boats and ships low-alloy automatic welding wire and production technology is provided to be the technical barriers of this area.
Summary of the invention
Technical problem to be solved by this invention is to provide one not preheating, not copper facing boats and ships low-alloy high-strength ductile steel automatic welding wire and production technology thereof.
For solving the problems of the technologies described above, the invention provides one not preheating, not copper facing boats and ships low-alloy steel automatic welding wire, its chemical analysis comprises: C 0.02-0.1%, Mn 2-4%, Ni 2-4%, Mo 0.5-1%, Si 0.5-0.8%, Cu 0-0.5%, Cr 0-1.2%, V 0-0.12%, Ti 0-0.05%; This gage of wire drawing is Ф 4.0mm to Ф 1.0mm.
The production technology of above-mentioned not preheating, not copper facing boats and ships low-alloy steel automatic welding wire, in turn includes the following steps:
Vacuum melting, forging, steel rolling, gren rod, mechanical derusting, chlorohydric acid pickling, neutral washing, high pressure water cleaning, alkali neutralizes, borax treatment, soap lye saponification, dries, first time cold-drawn, recrystallization annealing, chlorohydric acid pickling, neutral washing, high pressure water cleaning, alkali neutralizes, borax treatment, soap lye saponification, dry, second time cold-drawn, chlorohydric acid pickling, neutral washing, high pressure water cleaning-, alkali neutralizes, soap lye saponification, brilliant polish drawing, is coated with aqueous rust preventive.
In described twice chlorohydric acid pickling step, steel wire is put into the hydrochloric acid solution of 50%, soak under normal temperature after 20-30 minute and take out, during taking-up, Steel Wire Surface must not have hole, control FeCl2 content≤100 g/l in immersion process.
In described twice alkali neutralization procedure, alkaline solution is the mixed solution of NaOH, NaCO3, NaHCO3, wherein, NaOH content is 20-30 g/l, NaCO3 content is 30-40 g/l, NaHCO3 content is 25-35 g/l, in alkali N-process, controlling the pH value of solution is 8-11, in and time 2-5 minute.
In described twice borax treatment step, in boration solution, the content of borax is 150-250 g/l, and during steel wire boronising process, control temperature 75-90 DEG C, process after 5-10 minute and take out, during taking-up, Steel Wire Surface is even black gray expandable.
In described three soap lye saponification step, in soap lye, the content of soap flakes is 200-300 g/l, during saponification, controls pH value and is greater than 8, temperature 80-90 DEG C.
Described first time cold-drawn step is rough pulling out, be Ф 5.4mm by steel wire diameter drawing, choice for use DYH-G4, DYH-G72 Dry-powder Lubricant in thick drawing process, this lubricant has good heat resistance, noncoking, good lubricating film can be formed in the Steel Wire Surface of first time drawing, ensure the excellent surface quality of steel wire, and after annealing Steel Wire Surface clean, bright and clean, do not form collection carbon, convenient cleaning.
In described recrystallization annealing step, by steel wire heating to 690 ± 10 DEG C, keep slowly cooling to less than 150 DEG C after 1.5 hours, cool time is 16-23 hour.
Described second time cold-drawn step is middle drawing, be Ф 4.15mm, Ф 3.35mm, Ф 2.6mm, Ф 2.2mm, Ф 1.8mm, Ф 1.4mm, Ф 1.2mm by the steel wire drawing of Ф 5.4mm, these seven kinds of diameter wire are the corresponding finished product preparing Ф 4.0mm, Ф 3.2mm, Ф 2.5mm, Ф 2.0mm, Ф 1.6mm, Ф 1.2mm, Ф 1.0mm respectively, DYH-G10, DYH-G82 Dry-powder Lubricant is selected in middle drawing process, this lubricant has good greasy property, after drawing, Steel Wire Surface is smooth, Steel Wire Surface lubricating film is soluble in water, is convenient to the production of illumi yarn.
In described brilliant polish drawing, the steel wire of Ф 4.15mm, Ф 3.35mm, Ф 2.6mm, Ф 2.2mm, Ф 1.8mm, Ф 1.4mm, Ф 1.2mm is drawn to respectively the finished product of Ф 4.0mm, Ф 3.2mm, Ф 2.5mm, Ф 2.0mm, Ф 1.6mm, Ф 1.2mm, Ф 1.0mm, DYH-2, DYH-5 type lubricant is selected in drawing, this lubricant has strong adhesion, high lubricating effect, anti-extrusion, anti-oxidant, use rear surface is even, smooth, fineness high.
In described painting aqueous rust preventive step, rust inhibiting solution is the mixed solution of natrium nitrosum, G & W, and wherein, natrium nitrosum is 5-12 g/l, glycerine 10-12 g/l, and surplus is water, can pack warehouse-in after aqueous rust preventive is painted with.
Technique effect of the present invention: (1) not preheating of the present invention, not copper facing boats and ships low-alloy automatic welding wire can not just can weld when high-strength and high-toughness steel welds in preheating, see embodiment 5, the welding performance data of this welding wire several high-strength and high-toughness steel under not preheat condition illustrate that this welding wire can not weld in preheating, and welding effect is good, preheated weld can not avoid the generation of cold crack in the welding of Modern Ships structure, and can production technology be simplified in welding process, reduce production cost, speed production efficiency, and only need be coated with aqueous rust preventive during the storage of this automatic welding wire, need not be preserved by copper facing, reduce production cost equally, and cupric impurity can not be mixed into and affect welding effect, (2) welding material strict chemical analysis controlling welding material in batching, smelting process, by process optimization, adopts furnace outer refining technology, effectively reduces the impurity contents such as S, P, O, N, guarantee the cleanliness factor of welding material.
Detailed description of the invention
Embodiment 1
The not preheating of the present embodiment, not copper facing boats and ships low-alloy steel automatic welding wire, its chemical analysis comprises: C 0.02%, Mn 2%, Ni 4%, Mo 0.5%, Si 0.5%, Cu 0.2%, Cr 0.5%, V 0.1%, Ti 0.01%; This gage of wire drawing is Ф 4.0mm to Ф 1.0mm.
Embodiment 2
The not preheating of the present embodiment, not copper facing boats and ships low-alloy steel automatic welding wire, its chemical analysis comprises: C 0.05%, Mn 3%, Ni 3%, Mo 0.7%, Si 0.6%, Cu 0.3%, Cr 0.6%, V 0.06%, Ti 0.03%; This gage of wire drawing is Ф 4.0mm to Ф 1.0mm
Embodiment 3
The not preheating of the present embodiment, not copper facing boats and ships low-alloy steel automatic welding wire, its chemical analysis comprises: C 0.1%, Mn 4%, Ni 2%, Mo 1%, Si 0.8%, Cu 0.5%, Cr 1.2%, V 0.12%, Ti 0.05%; This gage of wire drawing is Ф 4.0mm to Ф 1.0mm.
Embodiment 4
Not preheating described in above-described embodiment 1-3, the not copper facing boats and ships production technology of low-alloy steel automatic welding wire, in turn include the following steps:
Vacuum melting, forging, steel rolling, gren rod, mechanical derusting, chlorohydric acid pickling, neutral washing, high pressure water cleaning, alkali neutralizes, borax treatment, soap lye saponification, dries, first time cold-drawn, recrystallization annealing, chlorohydric acid pickling, neutral washing, high pressure water cleaning, alkali neutralizes, borax treatment, soap lye saponification, dry, second time cold-drawn, chlorohydric acid pickling, neutral washing, high pressure water cleaning-, alkali neutralizes, soap lye saponification, brilliant polish drawing, is coated with aqueous rust preventive.
1, chlorohydric acid pickling: steel wire is put into the hydrochloric acid solution of 50%, soak under normal temperature after 20-30 minute and take out, during taking-up, Steel Wire Surface must not have hole, control FeCl2 content≤100 g/l in immersion process.In table 1.
Table 1:
2, alkali neutralization: alkaline solution is the mixed solution of NaOH, NaCO3, NaHCO3, and wherein, NaOH content is 20-30 g/l, NaCO3 content is 30-40 g/l, NaHCO3 content is 25-35 g/l, in alkali N-process, controlling the pH value of solution is 8-11, in and time 2-5 minute.In table 2.
Table 2
3, borax treatment: in boration solution, the content of borax is 150-250 g/l, during steel wire boronising process, control temperature 75-90 DEG C, process after 5-10 minute and take out, during taking-up, Steel Wire Surface is even black gray expandable.In table 3.
Table 3
Borax | Temperature | Time | Surface |
150-250 g/l | 75-90℃ | 5-10 divides | Black gray expandable is even |
4, soap lye saponification: in soap lye, the content of soap flakes is 200-300 g/l, during saponification, controls pH value and is greater than 8, temperature 80-90 DEG C.In table 4.
Table 4
5, cold-drawing technology:
(1) first time cold-drawn: first time cold-drawn is rough pulling out, be Ф 5.4mm by steel wire diameter drawing, choice for use DYH-G4, DYH-G72 Dry-powder Lubricant in thick drawing process, this lubricant has good heat resistance, noncoking, good lubricating film can be formed in the Steel Wire Surface of first time drawing, ensure the excellent surface quality of steel wire, and after annealing Steel Wire Surface clean, bright and clean, do not form collection carbon, convenient cleaning.
(2) in described recrystallization annealing step, by steel wire heating to 690 ± 10 DEG C, keep slowly cooling to less than 150 DEG C after 1.5 hours, cool time is 16-23 hour.
(3) second time cold-drawn: second time cold-drawn is middle drawing, be Ф 4.15mm by the steel wire drawing of Ф 5.4mm, Ф 3.35mm, Ф 2.6mm, Ф 2.2mm, Ф 1.8mm, Ф 1.4mm, Ф 1.2mm, these seven kinds of diameter wire are corresponding preparation Ф 4.0mm respectively, Ф 3.2mm, Ф 2.5mm, Ф 2.0mm, Ф 1.6mm, Ф 1.2mm, the finished product of Ф 1.0mm, DYH-G10 is selected in middle drawing process, DYH-G82 Dry-powder Lubricant, this lubricant has good greasy property, after drawing, Steel Wire Surface is smooth, Steel Wire Surface lubricating film is soluble in water, be convenient to the production of illumi yarn.
(4) brilliant polish drawing: the finished product steel wire of Ф 4.15mm, Ф 3.35mm, Ф 2.6mm, Ф 2.2mm, Ф 1.8mm, Ф 1.4mm, Ф 1.2mm being drawn to respectively Ф 4.0mm, Ф 3.2mm, Ф 2.5mm, Ф 2.0mm, Ф 1.6mm, Ф 1.2mm, Ф 1.0mm, DYH-2, DYH-5 type lubricant is selected in drawing, this lubricant has strong adhesion, high lubricating effect, anti-extrusion, anti-oxidant, use rear surface is even, smooth, fineness high.
6, aqueous rust preventive is coated with: rust inhibiting solution is the mixed solution of natrium nitrosum, G & W, and wherein, natrium nitrosum is 5-12 g/l, glycerine 10-12 g/l, and surplus is water, can pack warehouse-in after aqueous rust preventive is painted with.
Embodiment 5
Not welding wire described in above-described embodiment, when preheated weld yield strength is not 790MPa, 890MPa, 960MPa, 1100MPa high-strength steel, deposited metal performance indications are as table 5.
Table 5
Wherein Rm is tensile strength, R
p0.2for yield strength, A is elongation after fracture, A
kv-50 DEG Cfor-50 DEG C of impact absorbing energy, A
kv-40 DEG Cfor-40 DEG C of impact absorbing energy.
Claims (1)
1. a production technology for boats and ships automatic welding wire, is characterized in that: the chemical analysis of this welding wire comprises: C 0.02-0.1%, Mn 2-4%, Ni 2-4%, Mo 0.5-1%, Si 0.5-0.8%, Cu 0-0.5%, Cr 0-1.2%, V 0-0.12%, Ti 0-0.05%; This gage of wire drawing is Ф 4.0mm to Ф 1.0mm;
Described production technology in turn includes the following steps:
Vacuum melting, forging, steel rolling, gren rod, mechanical derusting, chlorohydric acid pickling, neutral washing, high pressure water cleaning, alkali neutralizes, borax treatment, soap lye saponification, dries, first time cold-drawn, recrystallization annealing, chlorohydric acid pickling, neutral washing, high pressure water cleaning, alkali neutralizes, borax treatment, soap lye saponification, dry, second time cold-drawn, chlorohydric acid pickling, neutral washing, high pressure water cleaning, alkali neutralizes, soap lye saponification, brilliant polish drawing, is coated with aqueous rust preventive;
Described first time cold-drawn step is rough pulling out, and is Ф 5.4mm by steel wire diameter drawing, choice for use DYH-G4, DYH-G72 Dry-powder Lubricant in thick drawing process;
In described recrystallization annealing step, by steel wire heating to 690 ± 10 DEG C, keep slowly cooling to less than 150 DEG C after 1.5 hours, cool time is 16-23 hour.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201510000097.0A CN104646855B (en) | 2012-11-30 | 2012-11-30 | A kind of can the production technology of boats and ships automatic welding wire of speed production efficiency |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201510000097.0A CN104646855B (en) | 2012-11-30 | 2012-11-30 | A kind of can the production technology of boats and ships automatic welding wire of speed production efficiency |
CN201210498753.0A CN102922171B (en) | 2012-11-30 | 2012-11-30 | Production technology of Non-preheating and non-copper-plating automatic low-alloy-steel welding wire for ships |
Related Parent Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201210498753.0A Division CN102922171B (en) | 2012-11-30 | 2012-11-30 | Production technology of Non-preheating and non-copper-plating automatic low-alloy-steel welding wire for ships |
Publications (2)
Publication Number | Publication Date |
---|---|
CN104646855A true CN104646855A (en) | 2015-05-27 |
CN104646855B CN104646855B (en) | 2016-04-06 |
Family
ID=47637172
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201510000097.0A Active CN104646855B (en) | 2012-11-30 | 2012-11-30 | A kind of can the production technology of boats and ships automatic welding wire of speed production efficiency |
CN201210498753.0A Active CN102922171B (en) | 2012-11-30 | 2012-11-30 | Production technology of Non-preheating and non-copper-plating automatic low-alloy-steel welding wire for ships |
Family Applications After (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201210498753.0A Active CN102922171B (en) | 2012-11-30 | 2012-11-30 | Production technology of Non-preheating and non-copper-plating automatic low-alloy-steel welding wire for ships |
Country Status (1)
Country | Link |
---|---|
CN (2) | CN104646855B (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105344724A (en) * | 2015-12-07 | 2016-02-24 | 昆山金力诚金属制品有限公司 | Bright wire drawing process |
Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103692108B (en) * | 2013-12-19 | 2015-10-07 | 唐山鸿鹏焊业有限公司 | A kind of production technology of boron-containing alloy steel welding wire |
CN103753056B (en) * | 2013-12-24 | 2016-05-25 | 天津钢铁集团有限公司 | A kind of low-carbon (LC) gas shield welding wire production technology |
CN105921914A (en) * | 2016-06-01 | 2016-09-07 | 武汉铁锚焊接材料股份有限公司 | Method and device for producing barreled copper-coated-free solid welding wire for high-strength steel |
CN107097018B (en) * | 2017-05-03 | 2020-07-10 | 江苏引力焊业工程技术研究有限公司 | Copper-plating-free H10Mn2 submerged arc welding wire |
CN107243705A (en) * | 2017-05-04 | 2017-10-13 | 中国科学院金属研究所 | A kind of high intensity aviation automatic welding wire processing methods of H18CrMoA |
CN108015451B (en) * | 2017-12-01 | 2020-03-13 | 四川西冶新材料股份有限公司 | High-toughness gas-shielded welding wire for long-life weather-proof steel structure and preparation method thereof |
CN109852889B (en) * | 2019-04-02 | 2021-01-08 | 鞍钢股份有限公司 | Economical wire rod for 460 MPa-grade weather-resistant stud, production method and stud |
CN111571062A (en) * | 2020-05-26 | 2020-08-25 | 哈尔滨焊接研究院有限公司 | Low alloy steel gas shielded welding wire for 800 MPa-level welding |
CN115302126A (en) * | 2022-10-12 | 2022-11-08 | 中国科学院金属研究所 | Jepa-grade high-strength high-toughness argon tungsten-arc welding material for ocean engineering and application thereof |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5744782A (en) * | 1996-03-07 | 1998-04-28 | Concurrent Technologies Corporation | Advanced consumable electrodes for gas metal arc (GMA) welding of high strength low alloy (HSLA) steels |
CN101244495A (en) * | 2008-03-07 | 2008-08-20 | 金秋生 | Welding wire for 90 kilogram grade low welding crack sensibility high-strength steel plate |
CN101844281A (en) * | 2009-03-24 | 2010-09-29 | 宝山钢铁股份有限公司 | Stainless steel welding material |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS61115694A (en) * | 1984-11-09 | 1986-06-03 | Kawasaki Steel Corp | Submerged arc welding method of high tensile steel |
JPS62114796A (en) * | 1985-11-13 | 1987-05-26 | Nippon Steel Corp | Submerged arc welding method by which high-toughness weld metal is obtained |
GC0000233A (en) * | 2000-08-07 | 2006-03-29 | Exxonmobil Upstream Res Co | Weld metals with superior low temperature toughness for joining high strength, low alloy steels |
JP4800081B2 (en) * | 2006-03-27 | 2011-10-26 | 日鐵住金溶接工業株式会社 | Solid wire for welding high strength steel and gas shielded arc welding method for high strength steel |
-
2012
- 2012-11-30 CN CN201510000097.0A patent/CN104646855B/en active Active
- 2012-11-30 CN CN201210498753.0A patent/CN102922171B/en active Active
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5744782A (en) * | 1996-03-07 | 1998-04-28 | Concurrent Technologies Corporation | Advanced consumable electrodes for gas metal arc (GMA) welding of high strength low alloy (HSLA) steels |
CN101244495A (en) * | 2008-03-07 | 2008-08-20 | 金秋生 | Welding wire for 90 kilogram grade low welding crack sensibility high-strength steel plate |
CN101844281A (en) * | 2009-03-24 | 2010-09-29 | 宝山钢铁股份有限公司 | Stainless steel welding material |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105344724A (en) * | 2015-12-07 | 2016-02-24 | 昆山金力诚金属制品有限公司 | Bright wire drawing process |
Also Published As
Publication number | Publication date |
---|---|
CN104646855B (en) | 2016-04-06 |
CN102922171A (en) | 2013-02-13 |
CN102922171B (en) | 2015-01-07 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN102922171B (en) | Production technology of Non-preheating and non-copper-plating automatic low-alloy-steel welding wire for ships | |
CN106756697B (en) | Method for producing galvanized steel sheet for hot stamping | |
CN102166693B (en) | Antirust method for cold drawing production of high-strength alloy welding wire | |
CN102260831B (en) | Fastener, such as screw bolt, screw nut and the like made from high-strength steel | |
CN108977642B (en) | Alloyed hot-dip galvanized steel sheet for hot stamping and method for producing steel member | |
CN109957707B (en) | Weather-resistant cold-heading steel wire rod for 1000 MPa-level fastener and production method thereof | |
US20220023929A1 (en) | Method for forming zinc-plated steel plate or steel belt having good corrosion resistance | |
JP2013503254A (en) | Method of manufacturing a steel member with a metal coating that provides protection against corrosion, and steel member | |
CN102260830B (en) | Method for processing high-strength fastener and hot-treating process | |
CN102482748A (en) | Highly processable steel sheet for three-piece welded can and method for producing same | |
CN111549206A (en) | Heat treatment process for high-wear-resistance antirust gear steel | |
CN104526182B (en) | Boats and ships low-alloy steel automatic welding wire | |
JP6409878B2 (en) | Manufacturing method of hot press member | |
CN104526184B (en) | Do not preheat, the production technology of not copper facing boats and ships low-alloy high-strength ductile steel automatic welding wire | |
CN104526183B (en) | The not copper facing boats and ships production technology of low-alloy steel automatic welding wire | |
CN104646854B (en) | Do not preheat the production technology of boats and ships welding wire | |
CN104625491B (en) | A kind of production technology of ship automatic welding wire | |
CN104625489A (en) | Production technology for automatic low alloy steel welding wire for ship | |
CN104625490A (en) | Production technology for welding wire for ship | |
CN111663089A (en) | Treatment method for improving surface strength of Al-Mg alloy | |
CN104646853B (en) | The production technology with low-alloy steel automatic welding wire for the boats and ships of production cost can be reduced | |
CN104988428A (en) | Small-caliber high-pressure oil pipe machining process | |
CN104625475A (en) | Production process of automatic preheating-free coppering-free low alloy steel welding wire for ships | |
CN109202329A (en) | A kind of 690MPa grades of welding wire for submerged-arc welding of yield strength meeting -60 DEG C of requirements | |
CN108942106A (en) | A kind of production and processing method of aluminium set cylinder |
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 |