CN106216885A - A kind of special welding activating agent of rustless steel weldering - Google Patents
A kind of special welding activating agent of rustless steel weldering Download PDFInfo
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- CN106216885A CN106216885A CN201610692067.5A CN201610692067A CN106216885A CN 106216885 A CN106216885 A CN 106216885A CN 201610692067 A CN201610692067 A CN 201610692067A CN 106216885 A CN106216885 A CN 106216885A
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- powder
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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
- 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
- B23K35/36—Selection of non-metallic compositions, e.g. coatings, fluxes; Selection of soldering or welding materials, conjoint with selection of non-metallic compositions, both selections being of interest
- B23K35/362—Selection of compositions of fluxes
-
- 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
- B23K9/00—Arc welding or cutting
- B23K9/235—Preliminary treatment
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- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Plasma & Fusion (AREA)
- Nonmetallic Welding Materials (AREA)
- Arc Welding In General (AREA)
Abstract
The special welding activating agent of a kind of rustless steel weldering is by SiO2、Cr2O3、NaF、B2O3、TiO2、MnO2Three groups of mass percents compositions below point；Wherein SiO2、Powder 30～40%, Cr2O3Powder 15～25%, NaF powder 5～15%, B2O3 Powder 1～5%, TiO2Powder 1～6%, MnO2 Powder 25 ~ 32%, rustless steel activating agent realizes 14mm rustless steel single welding in the case of square groove, double-faced forming, the rustless steel active agent product steady quality used, activating agent overlay is less likely to occur to come off in welding process, and insensitive to activating agent overlay thickness fluctuation, the activating agent skull easy to clean after having welded, appearance of weld is good, has preferable application prospect；The stainless steel welded activating agent provided, it is possible to reach the properties energy of just material itself, such as mechanical property, bending property, intergranular corrosion resistance performance and hardness performance etc., there is excellent weldability.
Description
Technical field
The present invention relates to a kind of stainless steel welded activating agent, particularly to the special welding activity of a kind of deep molten A-TIG weldering
Agent and using method, the special welding activating agent of a kind of rustless steel A-TIG weldering, belong to welding technology field.
Background technology
TIG(argon tungsten-arc welding) in actual welding produces, once the maximum fusion penetration 3 ~ 4mm of welding, is usually used in relatively thin plate
Welding, when cut deal welds, uses bevel, and multi-layer multi-pass welding, production efficiency is the lowest；So welding at cut deal
Time, often argon arc welding can be abandoned；Owing to A-TIG weldering is at one layer of activating agent of rustless steel welding surface brushing, thus obtain relatively
A kind of new welding technology of big fusion penetration, in the case of welding parameter is constant, fusion penetration be 3 times of common argon tungsten-arc welding with
On, the corrosion resistant plate of 14mm, in the case of square groove, the disposable through welding of A-TIG energy, single face welding and double face shaping；Due to not
Bevel, in weld metal, major part metal is filled from molten by mother metal, and only face of weld sub-fraction has been filled by welding wire,
Save welding consumptive material, while having saved cost, drastically increase production efficiency so that TIG weld welds at cut deal
Can be more widely used when connecing prospect.
Summary of the invention
It is an object of the invention to: provide a kind of deep molten TIG to weld special welding activating agent and using method, by using
This activating agent can realize good welds in the case of the corrosion resistant plate square groove that 14mm is thick；TIG(argon tungsten-arc welding) in reality
In the welding production of border, once the maximum fusion penetration 3 ~ 4mm of welding, is usually used in the welding of relatively thin plate, when cut deal welds, uses and opens slope
Mouthful, multi-layer multi-pass welding, production efficiency is the lowest；So when cut deal welds, often argon arc welding can be abandoned；A-TIG
Weldering is at one layer of activating agent of rustless steel welding surface brushing, thus obtains a kind of new welding technology of bigger fusion penetration, in welding
In the case of parameter constant, fusion penetration is more than 3 times of common argon tungsten-arc welding, and the corrosion resistant plate of 14mm, in the feelings of square groove
Under condition, the disposable through welding of A-TIG energy, single face welding and double face shaping；Due to square groove, in weld metal, major part metal is by mother metal
From molten filling, only face of weld sub-fraction has been filled by welding wire, saves welding consumptive material, is saving the same of cost
Time, drastically increase production efficiency so that TIG weld can be more widely used when cut deal welds prospect.
Completed by following processing step:
Prepare stainless steel welded test plate (panel)；Prepare rustless steel activating agent, calculate by mass percentage, by the rustless steel activity of 90 ~ 95%
Agent powder and 5 ~ 10% dehydrated alcohol to be modulated into dilute shape standby；With the abrasive machine stainless steel welded test plate (panel) table to be welded to preparing
Polishing in face, removes surface moisture, greasy dirt and oxide-film, expose metallic luster；The two pieces of stainless steel welded examinations that will have polished
Plate aligns, and carries out assemble welding, applies stainless steel welded activating agent on the surface of welding position；Employing automatic tungsten anode argon arc welding is straight
Seam welder carries out the welding of stainless steel welded test plate (panel), arranges welding parameter, be placed in be welded by welding gun tungsten electrode tip subsequently before welding
Distance activating agent overlay thickness 1～3mm directly over position, width 20 ~ 25mm welds；After having welded, use rustless steel
The activating agent of face of weld and both sides is brushed totally by wire brush；Automatic tungsten anode argon arc welding Straight seam welding machine welding disposal molding, bag
Include A-TIG layer and capping layer；Argon-are welding technology is welding current 180 ~ 220A, speed of welding 60 ~ 80mm/min, and electric arc is long
Degree 3mm, tungsten electrode diameter 3.2mm, argon flow amount 8 ~ 12L/min, wire feed rate 400mm/min～800mm/min, welding wire is straight
Footpath 1.2mm～1.6mm.
Technical scheme
The special welding activating agent of a kind of rustless steel weldering: comprise SiO2, Cr2O3, NaF, B2O3, TiO2, MnO2；Wherein SiO2,
Powder 30～40%, Cr2O3 powder 15～25%, NaF powder 5～15%, B2O3 powder 1～5%, TiO2 powder 1～6%, MnO2
Powder 25 ~ 32% mass percent forms, and divides the group having following three groups of different quality percentage ratios；It is characterized in that: one, SiO2 powder
End 35%, Cr2O3 powder 15%, NaF powder 15%, B2O3 powder 2%, TiO2 powder 5%, MnO2 powder 28%；Two, by following matter
Amount percent composition composition: SiO2 powder 30%, Cr2O3 powder 20%, NaF powder 10%, B2O3 powder 5%, TiO2 powder 5%,
MnO2 powder 30%；Three, be made up of following mass percent component: SiO2 powder 38%, Cr2O3 powder 23%, NaF powder 8%,
B2O3 powder 2%, TiO2 powder 4%, MnO2 powder 25%.
Described rustless steel activating agent of preparing is calculated by mass percentage, and rustless steel Agent Powder by 90 ~ 95% and 5 ~
It is standby that the dehydrated alcohol of 10% is modulated into dilute shape；With abrasive machine, the stainless steel welded test plate (panel) welding surface prepared is polished
Expose metallic luster；The two pieces of stainless steel welded test plate (panel) alignment polished are carried out assemble welding, is coated with on the surface of welding position
Apply stainless steel welded activating agent；Automatic tungsten anode argon arc welding Straight seam welding machine is used to carry out the welding of stainless steel welded test plate (panel), before welding
Welding parameter is set, subsequently welding gun tungsten electrode tip is placed in distance activating agent overlay thickness 1～3mm directly over position to be welded,
Width 20 ~ 25mm welds.
Described argon-are welding technology is welding current 180 ~ 220A, speed of welding 60 ~ 80mm/min, arc length
3mm, tungsten electrode diameter 3.2mm, argon flow amount 8 ~ 12L/min, wire feed rate 400mm/min～800mm/min, gage of wire
1.2mm～1.6mm.The special welding activating agent skill method of a kind of rustless steel weldering of the present invention is: it is special that deep molten TIG welds
Welding activating agent, this welding activating agent is made up of following mass percent component: SiO2Powder 30～40%, Cr2O3Powder 15～
25%, NaF powder 5～15%, B2O3, powder 1～5%, TiO2Powder 1～6%, MnO2 Powder 25 ~ 32%；As preferably side
Case, the special welding activating agent of deep molten TIG weldering is made up of following mass percent component: SiO2Powder 35%, Cr2O3Powder
15%, NaF powder 15%, B2O3Powder 2%, TiO2Powder 5%, MnO2Powder 28%.
Another preferred scheme, the special welding activating agent of deep molten TIG weldering is made up of following mass percent component:
SiO2Powder 30%, Cr2O3Powder 20%, NaF powder 10%, B2O3Powder 5%, TiO2Powder 5%, MnO2Powder 30%.
Another preferred scheme, the special welding activating agent of deep molten TIG weldering is made up of following mass percent component:
SiO2Powder 38%, Cr2O3Powder 23%, NaF powder 8%, B2O3Powder 2%, TiO2Powder 4%, MnO2Powder 25%.
Described stainless steel welded activating agent carries out the method welded, and comprises the following steps:
1) stainless steel welded test plate (panel) is prepared；
2) prepare rustless steel activating agent, calculate by mass percentage, by rustless steel Agent Powder and the nothing of 5 ~ 10% of 90 ~ 95%
It is standby that water-ethanol is modulated into dilute shape；
3) with abrasive machine, the stainless steel welded test plate (panel) welding surface prepared is polished, remove surface moisture, greasy dirt and oxygen
Change film, expose metallic luster；
4) the two pieces of stainless steel welded test plate (panel) alignment that will have polished, carry out assemble welding, apply stainless on the surface of welding position
Steel welding activating agent；
5) use automatic tungsten anode argon arc welding Straight seam welding machine to carry out the welding of stainless steel welded test plate (panel), welding parameter be set before welding,
Welding gun tungsten electrode tip is placed in distance activating agent overlay thickness 1～3mm subsequently directly over position to be welded, and width 20 ~ 25mm enters
Row welding；
6), after having welded, by rustless steel wire brush, the activating agent of face of weld and both sides is brushed totally.
Described automatic tungsten anode argon arc welding Straight seam welding machine welding disposal molding, including A-TIG layer and capping layer；
Described argon-are welding technology is welding current 180 ~ 220A, speed of welding 60 ~ 80mm/min, arc length 3mm, tungsten electrode
Diameter 3.2mm, argon flow amount 8 ~ 12L/min, wire feed rate 400mm/min～800mm/min, gage of wire 1.2mm～
1.6mm；Rustless steel test plate (panel) size 350*150*14mm.
The invention has the beneficial effects as follows:
The rustless steel activating agent using the present invention can be in the case of square groove, it is achieved 14mm rustless steel single welding, two-sided
Molding, improves production efficiency, reduces cost；Using the rustless steel active agent product steady quality of the present invention, activating agent is coated with
Coating is less likely to occur to come off in welding process, and insensitive to activating agent overlay thickness fluctuation, the work after having welded
Property agent skull easy to clean, appearance of weld is good, has preferable application prospect；The stainless steel welded activating agent provided, it is possible to reach
To the properties energy of just material itself, such as mechanical property, bending property, intergranular corrosion resistance performance and hardness performance etc., have excellent
Good weldability.
Detailed description of the invention
The present invention devises a kind of stainless steel welded activating agent, belongs to welding technology field.Weldering for stainless steel material
Connect, be particularly adapted to the stainless welding of 14mm (containing) following thickness；Stainless steel welded activating agent includes SiO2、Cr2O3 、
NaF、B2O3、TiO2And MnO2, wherein SiO2Powder 30～40%, Cr2O3Powder 15～25%, NaF powder 5～15%, B2O3Powder
End 1～5%, TiO2 powder 1～6%, MnO2 powder 25 ~ 32%.Weld pool surface tension gradient is made by the addition of above activating agent
By negative change just, weld pool surface metal flow ecto-entad, this just promotes molten bath central high temperature molten metal to flow downward, so that
It is obvious that fusion penetration increases effect, melts width simultaneously and is also obviously reduced；On the other hand, the addition of rustless steel activating agent makes arc constriction bright
Aobvious, the electric arc of original fan-shaped becomes taper, and somewhat similar plasma weldering electric arc, this also further increases welding penetration.
The preparation process of the rustless steel activating agent of the present invention, the recipe ratio first raw material of buying is given by the present invention
Example carries out joining powder, then mixes powder with ball-milling technology and completes powder particle refinement, then screening powder with screen cloth, will sieve
Rustless steel Agent Powder after choosing is modulated into dilute shape in the ratio of 90 ~ 95% and the dehydrated alcohol of 5 ~ 10% and carries out performance test
After, complete preparation and the performance test of activating agent.
Embodiment 1
Step one, the processing stainless steel welded test plate (panel) of S31603, test plate (panel) size 350mm*150mm*14mm；
Step 2, with abrasive machine, the stainless steel welded test plate (panel) welding surface prepared is polished, remove surface moisture, greasy dirt
And oxide-film, expose metallic luster；
Step 3, two pieces of stainless steel welded test plate (panel)s of S31603 having polished are alignd along 350mm length direction, carry out welding dress
Join.A-TIG stainless steel welded activating agent (actual constituent proportioning SiO is applied on surface, welding position2Powder 35%, Cr2O3Powder
15%, NaF powder 15%, B2O3Powder 2%, TiO2Powder 5%, MnO2Powder 28%.), activating agent overlay thickness 0.2～
1.0mm；
Step 4, employing Gas Tungsten Arc Welding carry out the welding of rustless steel test plate (panel), and welding gun tungsten electrode tip is being placed in position to be welded just
Top distance activating agent overlay 1～3mm.A-TIG weld procedure specification: welding current 210A, speed of welding 75mm/min,
Arc length 3mm, tungsten electrode diameter 3.2mm, argon flow amount 8 ~ 12L/min, wire feed rate 600mm/min, gage of wire
1.2mm.After A-TIG has welded, by clean for activating agent wire brushing.
Test result:
Welding point, through X carrying out flaw detection, meets NB/T 47013.2-2015 industrial grade AB level I level qualified；Welding point
Tensile strength 570MPa (actual mother metal tensile strength 490MPa), meets mother metal hot strength requirement.
Embodiment 2
Step one, the processing stainless steel welded test plate (panel) of S31603, test plate (panel) size 350mm*150mm*14mm；
Step 2, with abrasive machine, the stainless steel welded test plate (panel) welding surface prepared is polished, remove surface moisture, greasy dirt
And oxide-film, expose metallic luster；
Step 3, two pieces of stainless steel welded test plate (panel)s of S31603 having polished are alignd along 350mm length direction, carry out welding dress
Join.A-TIG stainless steel welded activating agent (actual constituent proportioning SiO is applied on surface, welding position2Powder 30%, Cr2O3Powder
20%, NaF powder 10%, B2O3Powder 5%, TiO2Powder 5%, MnO2Powder 30%.), activating agent overlay thickness 0.2～
1.0mm；
Step 4, employing Gas Tungsten Arc Welding carry out the welding of rustless steel test plate (panel), and welding gun tungsten electrode tip is being placed in position to be welded just
Top distance activating agent overlay 1～3mm.A-TIG weld procedure specification: welding current 215A, speed of welding 70mm/min,
Arc length 3mm, tungsten electrode diameter 3.2mm, argon flow amount 8 ~ 12L/min, wire feed rate 600mm/min, gage of wire 1.2mm.
After A-TIG has welded, by clean for activating agent wire brushing.
Test result:
Welding point, through X carrying out flaw detection, meets NB/T 47013.2-2015 industrial grade AB level I level qualified；Welding point
Tensile strength 565MPa (actual mother metal tensile strength 490MPa), meets mother metal hot strength requirement.
Embodiment 3
Step one, the processing stainless steel welded test plate (panel) of S31603, test plate (panel) size 350mm*150mm*14mm；
Step 2, with abrasive machine, the stainless steel welded test plate (panel) welding surface prepared is polished, remove surface moisture, greasy dirt
And oxide-film, expose metallic luster；
Step 3, two pieces of stainless steel welded test plate (panel)s of S31603 having polished are alignd along 350mm length direction, carry out welding dress
Join.A-TIG stainless steel welded activating agent (actual constituent proportioning SiO is applied on surface, welding position2Powder 38%, Cr2O3Powder
23%, NaF powder 8%, B2O3Powder 2%, TiO2Powder 4%, MnO2Powder 25%.), activating agent overlay thickness 0.2～
1.0mm；
Step 4, employing Gas Tungsten Arc Welding carry out the welding of rustless steel test plate (panel), and welding gun tungsten electrode tip is being placed in position to be welded just
Top distance activating agent overlay 1～3mm.
Weld procedure specification: welding current 220A, speed of welding 80mm/min, arc length 3mm, tungsten electrode diameter 3.2mm,
Argon flow amount 8 ~ 12L/min, wire feed rate 600mm/min, gage of wire 1.2mm.After A-TIG has welded, by activating agent
Wire brushing is clean.
Test result:
Welding point, through X carrying out flaw detection, meets NB/T 47013.2-2015 industrial grade AB level I level qualified；Welding point
Tensile strength 565MPa (actual mother metal tensile strength 490MPa), meets mother metal hot strength requirement.
It is last it should be understood that listed above is only the embodiment of the several concrete proportioning realizing the innovation and former
Reason, it is clear that the design is not limited to above example, it is also possible to have many variablees, and those of ordinary skill in the art can be from this case Shen
Disclosure please be understood；Directly derive or associate the debugging of proportional quantity, be all considered as this specification content and right
The protection domain required.
Claims (3)
1. the special welding activating agent of a rustless steel weldering: comprise SiO2、Cr2O3、NaF、B2O3、TiO2、MnO2；Wherein SiO2、Powder
End 30～40%, Cr2O3Powder 15～25%, NaF powder 5～15%, B2O3 Powder 1～5%, TiO2Powder 1～6%, MnO2 Powder
25 ~ 32% mass percent compositions, divide the group having following three groups of different quality percentage ratios；It is characterized in that: one, SiO2Powder
35%、Cr2O3Powder 15%, NaF powder 15%, B2O3Powder 2%, TiO2Powder 5%, MnO2Powder 28%；
Two, it is made up of following mass percent component: SiO2Powder 30%, Cr2O3Powder 20%, NaF powder 10%, B2O3Powder
5%、TiO2Powder 5%, MnO2Powder 30%；
Three, it is made up of following mass percent component: SiO2Powder 38%, Cr2O3Powder 23%, NaF powder 8%, B2O3Powder 2%,
TiO2Powder 4%, MnO2Powder 25%.
2. the special welding activating agent welded according to a kind of rustless steel described in claim 1, is characterized in that: prepares rustless steel and lives
Property agent is calculated by mass percentage, the rustless steel Agent Powder of 90 ~ 95% and the dehydrated alcohol of 5 ~ 10% is modulated into dilute shape standby
With；With abrasive machine, the stainless steel welded test plate (panel) welding surface prepared is carried out polishing and expose metallic luster；Two will polished
The alignment of block stainless steel welded test plate (panel) carries out assemble welding, applies stainless steel welded activating agent on the surface of welding position；Use certainly
Dynamic argon tungsten-arc welding Straight seam welding machine carries out the welding of stainless steel welded test plate (panel), arranges welding parameter, subsequently by welding gun tungsten before welding
Pole tip is placed in distance activating agent overlay thickness 1～3mm directly over position to be welded, and width 20 ~ 25mm welds.
The special welding activating agent of a kind of rustless steel the most according to claim 2 weldering, is characterized in that: argon-are welding technology
For welding current 180 ~ 220A, speed of welding 60 ~ 80mm/min, arc length 3mm, tungsten electrode diameter 3.2mm, argon flow amount 8 ~
12L/min, wire feed rate 400mm/min～800mm/min, gage of wire 1.2mm～1.6mm.
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Cited By (8)
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| CN107639325A (en) * | 2017-09-27 | 2018-01-30 | 阳江市五金刀剪产业技术研究院 | A kind of method for welding blade and cover plate |
| CN108161279A (en) * | 2017-12-27 | 2018-06-15 | 中国核工业二三建设有限公司 | A kind of carbon steel A-TIG weldering activating agents and welding method |
| CN108247236A (en) * | 2017-12-27 | 2018-07-06 | 中国核工业二三建设有限公司 | A kind of stainless steel A-TIG weldering activating agents and welding method |
| CN108637529A (en) * | 2018-05-22 | 2018-10-12 | 昆山华恒焊接股份有限公司 | A kind of austenitic stainless steel argon tungsten-arc welding activating agent and its preparation method and application |
| CN109128581A (en) * | 2018-10-26 | 2019-01-04 | 江阴市高拓精密模具有限公司 | A kind of silicon steel sheet welding activating agent and application method |
| CN110170770A (en) * | 2019-07-03 | 2019-08-27 | 南京工业大学 | A kind of two phase stainless steel welding activating agent and welding method |
| CN113927202A (en) * | 2020-07-14 | 2022-01-14 | 中国核工业二三建设有限公司 | Formula and use method of activator for 316 stainless steel A-TIG welding |
| CN113927200A (en) * | 2020-07-14 | 2022-01-14 | 中国核工业二三建设有限公司 | Formula and using method of activator for 304 stainless steel A-TIG welding |
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| CN107639325A (en) * | 2017-09-27 | 2018-01-30 | 阳江市五金刀剪产业技术研究院 | A kind of method for welding blade and cover plate |
| CN107639325B (en) * | 2017-09-27 | 2020-07-03 | 阳江市五金刀剪产业技术研究院 | Method for welding blade and cover plate |
| CN108161279A (en) * | 2017-12-27 | 2018-06-15 | 中国核工业二三建设有限公司 | A kind of carbon steel A-TIG weldering activating agents and welding method |
| CN108247236A (en) * | 2017-12-27 | 2018-07-06 | 中国核工业二三建设有限公司 | A kind of stainless steel A-TIG weldering activating agents and welding method |
| CN108637529A (en) * | 2018-05-22 | 2018-10-12 | 昆山华恒焊接股份有限公司 | A kind of austenitic stainless steel argon tungsten-arc welding activating agent and its preparation method and application |
| CN109128581A (en) * | 2018-10-26 | 2019-01-04 | 江阴市高拓精密模具有限公司 | A kind of silicon steel sheet welding activating agent and application method |
| CN110170770A (en) * | 2019-07-03 | 2019-08-27 | 南京工业大学 | A kind of two phase stainless steel welding activating agent and welding method |
| CN113927202A (en) * | 2020-07-14 | 2022-01-14 | 中国核工业二三建设有限公司 | Formula and use method of activator for 316 stainless steel A-TIG welding |
| CN113927200A (en) * | 2020-07-14 | 2022-01-14 | 中国核工业二三建设有限公司 | Formula and using method of activator for 304 stainless steel A-TIG welding |
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