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TIG Welding Wire for Stainless Steel with Back Seam Protection BGS-E308L
Product Description of BGS-E308L Solid Welding Wire for Stainless Steel TIG Welding Wire with Back Side Protection Complies with: AWS A5.9 ER308L (mod) A5.9M ER308L (mod) Application Mainly used in petrochemical industry, power generation...
Description
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Product Description
BGS-E308L
Solid Welding Wire for Stainless Steel
TIG welding wire with reverse side protection
Meets the requirements:
AWS A5.9 ER308L (mod)
A5.9M ER308L (mod)
Purpose
Mainly used in the petrochemical industry, energy construction, high pressure vessel manufacturing and other industries to perform root welding of stainless steel pipelines and tanks.
Characteristics
1.The main composition is low-carbon C-18Cr-8Ni alloy, which is the most widely used welding material for austenitic stainless steels;
2.This wire is used for TIG welding. When argon protection is applied from the reverse side, a dense protective layer is uniformly formed on the front and reverse surfaces of the weld, preventing oxidation of both sides of the welded joint. One-sided welding is provided with the formation of a seam on both sides. After cooling the weld, the welding slag automatically peels off, the surface of the weld has an aesthetic appearance and ensures good fusion with the base metal;
3.The application method of this welding wire is similar to ordinary argon arc welding wire for stainless steel. The special coating on the surface does not adversely affect weldability and mechanical properties. A stable arc, beautiful seam formation and good fluidity of the molten metal are ensured.
Chemical composition
| Metal content, wt.% | C | Mn | Si | Cr | Ni | Mo | P | S | Cu |
| Typical value | 0.028 | 1.54 | 0.72 | 20.5 | 9.47 | 0.01 | 0.017 | 0.008 | 0.01 |
Mechanical properties
| Mechanical properties | Yield strength, MPa | Tensile strength, MPa | Elongation, % | Impact strength, J/℃ | Heat treatment ℃×h |
| GB/T standard | — | — | — | — | — |
| AWS Standard | — | — | — | — | — |
| Typical value | — | 615 | 34 | — | — |
Welding position
Precautions
1. Follow the general rules for welding with solid welding wire for stainless steel;
2. Shielding gas: pure Ar;
3. Maintain interlayer temperature below 150℃.
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