CN105108280A - Welding method of high-molybdenum stainless steel plate - Google Patents
Welding method of high-molybdenum stainless steel plate Download PDFInfo
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- 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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Classifications
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- 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
- B23K9/00—Arc welding or cutting
- B23K9/16—Arc welding or cutting making use of shielding gas
- B23K9/167—Arc welding or cutting making use of shielding gas and of a non-consumable electrode
-
- 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
- B23K33/00—Specially-profiled edge portions of workpieces for making soldering or welding connections; Filling the seams formed thereby
-
- 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
- B23K9/00—Arc welding or cutting
- B23K9/235—Preliminary treatment
-
- 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
- B23K2101/00—Articles made by soldering, welding or cutting
- B23K2101/18—Sheet panels
- B23K2101/185—Tailored blanks
-
- 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
- B23K2103/00—Materials to be soldered, welded or cut
- B23K2103/02—Iron or ferrous alloys
- B23K2103/04—Steel 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
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.
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Cited By (3)
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 |
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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 |
-
2015
- 2015-08-10 CN CN201510485079.6A patent/CN105108280A/en active Pending
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
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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)
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 |