
Product Description of BMS-309L MIG Welding Wire for Stainless Steel Austenitic Type / For Welding Dissimilar Steels Compliance: YB/T 5092 H022Cr24Ni13 AWS A5.9 ER309L A5.9M ER309L EN ISO 14343-A: G 23 12 L EN ISO 14343-B: SS309L JIS Z3321 YS309L Purpose Often used...
BMS-309L
MIG Welding Wire for Stainless Steel
Austenitic type / For welding dissimilar steels
Compliance:
YB/T 5092 H022Cr24Ni13
AWS A5.9 ER309L
A5.9M ER309L
EN ISO 14343-A: G 23 12 L
EN ISO 14343-B: SS309L
JIS Z3321 YS309L
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.
1. The deposited metal has good mechanical properties and corrosion resistance;
2. Smooth wire feeding, stable arc, good seam formation, excellent fluidity of molten metal, minimal spatter, excellent welding properties.
| Alloy, wt. % | C | Mn | Si | Cr | Ni | Mo | P | S | Cu |
| YB/T standard | 0.03 | 1.0–2.5 | 0.65 | 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 | 23.0–25.0 | 12.0–14.0 | 0.75 | 0.03 | 0.03 | 0.75 |
| Approximate value | 0.022 | 2.25 | 0.60 | 23.09 | 13.65 | 0.05 | 0.020 | 0.010 | 0.06 |
| Mechanical characteristics | Yield strength, MPa | Tensile strength, MPa | Elongation, % | Impact strength, J/°C | Heat treatment, °C × h |
| YB/T standard | — | — | — | — | — |
| AWS Standard | — | — | — | — | — |
| Approximate value | — | 589 | 38 | 80/-60 | — |
| 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 |
1. Follow general solid wire welding guidelines for stainless steel;
2. Shielding gas: 98% Ar + 2% O₂;
3. Maintain interpass temperature ≤150°C.