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MIG Welding Wire for Stainless Steel BMS-309LSi
Product Description of BMS-309LSi MIG Welding Wire for Stainless Steel Austenitic Type / For Welding Dissimilar Steels Compliance: YB/T 5092 H02Cr24Ni13Si AWS A5.9 ER309LSi A5.9M ER309LSi EN ISO 14343-A: G 23 12 L Si EN ISO 14343-B: SS309LSi JIS Z3321 YS309LSi Purpose Part...
Description
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Product Description
BMS-309LSi
MIG Welding Wire for Stainless Steel
Austenitic type / For welding dissimilar steels
Compliance:
YB/T 5092 H02Cr24Ni13Si
AWS A5.9 ER309LSi
A5.9M ER309LSi
EN ISO 14343-A: G 23 12 L Si
EN ISO 14343-B: SS309LSi
JIS Z3321 YS309LSi
Purpose
Often used for welding dissimilar materials such as carbon steel to stainless steel, or for welding martensitic and ferritic stainless steels with low toughness; Can also be used in the petrochemical industry, thermal power plants and other industries.
Characteristics
1. The deposited metal has good mechanical properties and corrosion resistance;
2. Thanks to the addition of Si, it has excellent fluidity of the molten metal, better weld formation, minimal spattering and excellent welding properties.
Chemical composition
| Alloy, wt. % | C | Mn | Si | Cr | Ni | Mo | P | S | Cu |
| YB/T standard | 0.03 | 1.0–2.5 | 0.65–1.0 | 23.0–25.0 | 12.0–14.0 | 0.75 | 0.03 | 0.03 | 0.75 |
| AWS Standard | 0.03 | 1.0–2.5 | 0.65–1.0 | 23.0–25.0 | 12.0–14.0 | 0.75 | 0.03 | 0.03 | 0.75 |
| Approximate value | 0.016 | 1.83 | 0.92 | 23.21 | 13.38 | 0.01 | 0.023 | 0.005 | 0.08 |
Mechanical properties
| Mechanical characteristics | Yield strength, MPa | Tensile strength, MPa | Elongation, % | Impact strength, J/°C | Heat treatment, °C × h |
| YB/T standard | — | — | — | — | — |
| AWS Standard | — | — | — | — | — |
| Approximate value | — | 620 | 38 | 98/-40 | — |
Welding parameters: (DC+)
| Diameter, mm | 0.8 | 1.0 | 1.2 |
| Current, A (lower/horizontal position) | 70-150 | 100-200 | 140-220 |
| Current, A (vertical/ceiling position) | 50-120 | 80-150 | 120-180 |
Welding position
Precautions
1. Follow general solid wire welding guidelines for stainless steel;
2. Shielding gas: 98% Ar + 2% O₂;
3. Maintain interpass temperature ≤150°C.
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