CN105108280A - Welding method of high-molybdenum stainless steel plate - Google Patents

Welding method of high-molybdenum stainless steel plate Download PDF

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Publication number
CN105108280A
CN105108280A CN201510485079.6A CN201510485079A CN105108280A CN 105108280 A CN105108280 A CN 105108280A CN 201510485079 A CN201510485079 A CN 201510485079A CN 105108280 A CN105108280 A CN 105108280A
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China
Prior art keywords
welding
weld
weldingvoltage
welds
speed
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.)
Pending
Application number
CN201510485079.6A
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Chinese (zh)
Inventor
魏朝波
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Anhui Fuhuang Steel Structure Co Ltd
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Anhui Fuhuang Steel Structure Co Ltd
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Publication date
Application filed by Anhui Fuhuang Steel Structure Co Ltd filed Critical Anhui Fuhuang Steel Structure Co Ltd
Priority to CN201510485079.6A priority Critical patent/CN105108280A/en
Publication of CN105108280A publication Critical patent/CN105108280A/en
Pending legal-status Critical Current

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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23KSOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K9/00Arc welding or cutting
    • B23K9/16Arc welding or cutting making use of shielding gas
    • B23K9/167Arc welding or cutting making use of shielding gas and of a non-consumable electrode
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23KSOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K33/00Specially-profiled edge portions of workpieces for making soldering or welding connections; Filling the seams formed thereby
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23KSOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K9/00Arc welding or cutting
    • B23K9/235Preliminary treatment
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23KSOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K2101/00Articles made by soldering, welding or cutting
    • B23K2101/18Sheet panels
    • B23K2101/185Tailored blanks
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23KSOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K2103/00Materials to be soldered, welded or cut
    • B23K2103/02Iron or ferrous alloys
    • B23K2103/04Steel or steel alloys

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Plasma & Fusion (AREA)
  • Arc Welding In General (AREA)

Abstract

The invention discloses a welding method of a high-molybdenum stainless steel plate, and relates to the technical field of welding. The welding method mainly comprises three steps of before-welding preparation, welding and after-welding treatment. The welding method of the high-molybdenum stainless steel plate is reasonable in process and strong in corrosion resistance of welding lines, and satisfies the requirements on welding performances.

Description

A kind of welding method of high molybdenum corrosion resistant plate
Technical field
The present invention relates to welding technology field, is more particularly a kind of welding method of high molybdenum corrosion resistant plate.
Background technology
The weldability of high molybdenum corrosion resistant plate is similar with nickel-base alloy to common austenitic stainless steel, but uses the object of this material still will reach its corrosion resistance in acid or alkaline medium, like this, just requires that higher welding procedure is to reach the requirement of welding performance.
Summary of the invention
The object of the invention is to make up the deficiencies in the prior art, a kind of welding method of high molybdenum corrosion resistant plate is provided.
The object of the invention is to be achieved through the following technical solutions:
A welding method for high molybdenum corrosion resistant plate, the thickness of steel plate is 9.5mm, it is characterized in that: comprise the following steps:
(1) welds prepares
First, the selection of welding manner and welding material, the welding of double-edged prime coat, packed layer and capping layer all adopts GTAW to weld, ERNiCrMo-3 welding wire all selected by welding material, and the gage of wire of prime coat, packed layer and capping layer is respectively 2.4,3.2,3.2;
The second, open X-type groove to high molybdenum corrosion resistant plate, alignment clearance is 2mm, and slope angle is 60 °;
3rd, with the inside and outside surface within the scope of absolute alcohol cleaning groove and both sides 100mm thereof, except degrease, dust, oxide, then with the region within the scope of 50mm near stainless steel brush silk cleaning groove and groove;
4th, adopt welding gun neutral flame both sides, groove center to be not less than to 5 times of wall thickness, and be not less than 100mm scope and carry out preheating, 100mm scope beyond preheating zone is incubated;
(2) weld
The first, prime coat welds, and front is welded: adopt GTAW to weld with the speed of 9-11cm/min, welding current is 90-110A, and weldingvoltage is 12V, and argon flow amount is 16-18L/min; Reverse side welds: adopt GTAW to weld with the speed of 9-11cm/min, welding current is 90-110A, and weldingvoltage is 12V, and argon flow amount is 24-25L/min;
The second, packed layer welds, and front is welded: adopt GTAW to weld with the speed of 8-9cm/min, welding current is 120-140A, and weldingvoltage is 24-26V, and argon flow amount is 16-18L/min; Reverse side welds: adopt GTAW to weld with the speed of 8-9cm/min, welding current is 120-140A, and weldingvoltage is 24-26V, and argon flow amount is 24-25L/min;
3rd, capping layer welds, and front is welded: adopt GTAW to weld with the speed of 8-10cm/min, welding current is 120-140A, and weldingvoltage is 24-26V, and argon flow amount is 16-18L/min; Reverse side welds: adopt GTAW to weld with the speed of 8-10cm/min, welding current is 120-140A, and weldingvoltage is 24-26V, and argon flow amount is 24-25L/min;
(3) after welding treatment
After welding, butt welded seam is incubated immediately, and holding temperature is 180-240 DEG C, and temperature retention time is 90-120 minute.
The welding method of described a kind of high molybdenum corrosion resistant plate, is characterized in that: the interlayer temperature in welding process is 80 DEG C.
The invention has the advantages that:
The welding method rational technology of high molybdenum corrosion resistant plate of the present invention, weld seam corrosion resistance is strong, meets the requirement to welding performance.
Detailed description of the invention
A welding method for high molybdenum corrosion resistant plate, the thickness of steel plate is 9.5mm, comprises the following steps:
(1) welds prepares
First, the selection of welding manner and welding material, the welding of double-edged prime coat, packed layer and capping layer all adopts GTAW to weld, ERNiCrMo-3 welding wire all selected by welding material, and the gage of wire of prime coat, packed layer and capping layer is respectively 2.4,3.2,3.2;
The second, open X-type groove to high molybdenum corrosion resistant plate, alignment clearance is 2mm, and slope angle is 60 °;
3rd, with the inside and outside surface within the scope of absolute alcohol cleaning groove and both sides 100mm thereof, except degrease, dust, oxide, then with the region within the scope of 50mm near stainless steel brush silk cleaning groove and groove;
4th, adopt welding gun neutral flame both sides, groove center to be not less than to 5 times of wall thickness, and be not less than 100mm scope and carry out preheating, 100mm scope beyond preheating zone is incubated;
(2) weld
The first, prime coat welds, and front is welded: adopt GTAW to weld with the speed of 9cm/min, welding current is 90A, and weldingvoltage is 12V, and argon flow amount is 16L/min; Reverse side welds: adopt GTAW to weld with the speed of 9cm/min, welding current is 90A, and weldingvoltage is 12V, and argon flow amount is 24L/min;
The second, packed layer welds, and front is welded: adopt GTAW to weld with the speed of 8cm/min, welding current is 120A, and weldingvoltage is 24V, and argon flow amount is 16L/min; Reverse side welds: adopt GTAW to weld with the speed of 8cm/min, welding current is 120A, and weldingvoltage is 24V, and argon flow amount is 24L/min;
3rd, capping layer welds, and front is welded: adopt GTAW to weld with the speed of 8cm/min, welding current is 120A, and weldingvoltage is 24V, and argon flow amount is 16L/min; Reverse side welds: adopt GTAW to weld with the speed of 8cm/min, welding current is 120A, and weldingvoltage is 24V, and argon flow amount is 24L/min;
(3) after welding treatment
After welding, butt welded seam is incubated immediately, and holding temperature is 180 DEG C, and temperature retention time is 90 minutes.
Interlayer temperature in described welding process is 80 DEG C.

Claims (2)

1. a welding method for high molybdenum corrosion resistant plate, the thickness of steel plate is 9.5mm, it is characterized in that: comprise the following steps:
(1) welds prepares
First, the selection of welding manner and welding material, the welding of double-edged prime coat, packed layer and capping layer all adopts GTAW to weld, ERNiCrMo-3 welding wire all selected by welding material, and the gage of wire of prime coat, packed layer and capping layer is respectively 2.4,3.2,3.2;
The second, open X-type groove to high molybdenum corrosion resistant plate, alignment clearance is 2mm, and slope angle is 60 °;
3rd, with the inside and outside surface within the scope of absolute alcohol cleaning groove and both sides 100mm thereof, except degrease, dust, oxide, then with the region within the scope of 50mm near stainless steel brush silk cleaning groove and groove;
4th, adopt welding gun neutral flame both sides, groove center to be not less than to 5 times of wall thickness, and be not less than 100mm scope and carry out preheating, 100mm scope beyond preheating zone is incubated;
(2) weld
The first, prime coat welds, and front is welded: adopt GTAW to weld with the speed of 9-11cm/min, welding current is 90-110A, and weldingvoltage is 12V, and argon flow amount is 16-18L/min; Reverse side welds: adopt GTAW to weld with the speed of 9-11cm/min, welding current is 90-110A, and weldingvoltage is 12V, and argon flow amount is 24-25L/min;
The second, packed layer welds, and front is welded: adopt GTAW to weld with the speed of 8-9cm/min, welding current is 120-140A, and weldingvoltage is 24-26V, and argon flow amount is 16-18L/min; Reverse side welds: adopt GTAW to weld with the speed of 8-9cm/min, welding current is 120-140A, and weldingvoltage is 24-26V, and argon flow amount is 24-25L/min;
3rd, capping layer welds, and front is welded: adopt GTAW to weld with the speed of 8-10cm/min, welding current is 120-140A, and weldingvoltage is 24-26V, and argon flow amount is 16-18L/min; Reverse side welds: adopt GTAW to weld with the speed of 8-10cm/min, welding current is 120-140A, and weldingvoltage is 24-26V, and argon flow amount is 24-25L/min;
(3) after welding treatment
After welding, butt welded seam is incubated immediately, and holding temperature is 180-240 DEG C, and temperature retention time is 90-120 minute.
2. the welding method of a kind of high molybdenum corrosion resistant plate according to claim 1, is characterized in that: the interlayer temperature in welding process is 80 DEG C.
CN201510485079.6A 2015-08-10 2015-08-10 Welding method of high-molybdenum stainless steel plate Pending CN105108280A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201510485079.6A CN105108280A (en) 2015-08-10 2015-08-10 Welding method of high-molybdenum stainless steel plate

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201510485079.6A CN105108280A (en) 2015-08-10 2015-08-10 Welding method of high-molybdenum stainless steel plate

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CN105108280A true CN105108280A (en) 2015-12-02

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106944741A (en) * 2017-04-26 2017-07-14 西安交通大学 Add the microalloying method that Zr improves molybdenum and molybdenum alloy arc-seam weld obdurability
CN107009025A (en) * 2017-04-26 2017-08-04 西安交通大学 A kind of microalloying method for improving molybdenum and molybdenum alloy arc-seam weld obdurability
CN108890090A (en) * 2018-09-20 2018-11-27 江苏新宏大集团有限公司 Cobalt-chromium-tungsten alloy nozzle welding procedure

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101862919A (en) * 2010-06-18 2010-10-20 北京理工大学 Thick-plate AZ31 magnesium alloy welding joint and double-sided welding method thereof
CN102941397A (en) * 2012-10-09 2013-02-27 中冶南方(武汉)威仕工业炉有限公司 Argon tungsten arc welding method for nickel-based alloy
CN103084717A (en) * 2012-07-09 2013-05-08 上海月月潮钢管制造有限公司 Submerged-arc welding method for 12Ni14 steel
CN103084718A (en) * 2012-07-09 2013-05-08 上海月月潮钢管制造有限公司 Welding method for 10CrMo9-10 steel
CN104139228A (en) * 2013-05-08 2014-11-12 中国核工业二四建设有限公司 Thick steel plate welding process
CN104722896A (en) * 2015-03-16 2015-06-24 鲁西工业装备有限公司 Automatic submerged arc welding method of nickel base alloy
CN104759734A (en) * 2015-02-27 2015-07-08 上海船舶工艺研究所 Manual welding method for corrosion resisting steel of oil cargo tank of crude oil carrier

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101862919A (en) * 2010-06-18 2010-10-20 北京理工大学 Thick-plate AZ31 magnesium alloy welding joint and double-sided welding method thereof
CN103084717A (en) * 2012-07-09 2013-05-08 上海月月潮钢管制造有限公司 Submerged-arc welding method for 12Ni14 steel
CN103084718A (en) * 2012-07-09 2013-05-08 上海月月潮钢管制造有限公司 Welding method for 10CrMo9-10 steel
CN102941397A (en) * 2012-10-09 2013-02-27 中冶南方(武汉)威仕工业炉有限公司 Argon tungsten arc welding method for nickel-based alloy
CN104139228A (en) * 2013-05-08 2014-11-12 中国核工业二四建设有限公司 Thick steel plate welding process
CN104759734A (en) * 2015-02-27 2015-07-08 上海船舶工艺研究所 Manual welding method for corrosion resisting steel of oil cargo tank of crude oil carrier
CN104722896A (en) * 2015-03-16 2015-06-24 鲁西工业装备有限公司 Automatic submerged arc welding method of nickel base alloy

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106944741A (en) * 2017-04-26 2017-07-14 西安交通大学 Add the microalloying method that Zr improves molybdenum and molybdenum alloy arc-seam weld obdurability
CN107009025A (en) * 2017-04-26 2017-08-04 西安交通大学 A kind of microalloying method for improving molybdenum and molybdenum alloy arc-seam weld obdurability
CN107009025B (en) * 2017-04-26 2020-01-14 西安交通大学 Micro-alloying method for improving toughness of molybdenum and molybdenum alloy fusion welding seam
CN108890090A (en) * 2018-09-20 2018-11-27 江苏新宏大集团有限公司 Cobalt-chromium-tungsten alloy nozzle welding procedure

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Application publication date: 20151202