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MIG Welding Wire for Stainless Steel BMS-309Mo
Product Description of BMS-309Mo MIG Welding Wire for Stainless Steel Austenitic Type / For Welding Dissimilar Steels Compliance: YB/T 5092 H10Cr24Ni13Mo2 AWS A5.9 ER309Mo A5.9M ER309Mo EN ISO 14343-A: No corresponding standard EN ISO 14343-B: SS309Mo Appointment Cha...
Description
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Product Description
BMS-309Mo
MIG Welding Wire for Stainless Steel
Austenitic type / For welding dissimilar steels
Compliance:
YB/T 5092 H10Cr24Ni13Mo2
AWS A5.9 ER309Mo
A5.9M ER309Mo
EN ISO 14343-A: no corresponding standard
EN ISO 14343-B: SS309Mo
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; also can be used for welding cast steel.
Characteristics
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.
Chemical composition
| Alloy, wt. % | C | Mn | Si | Cr | Ni | Mo | P | S | Cu |
| YB/T standard | 0.12 | 1.0–2.5 | 0.65 | 23.0–25.0 | 12.0–14.0 | 2.0–3.0 | 0.03 | 0.03 | 0.75 |
| AWS Standard | 0.12 | 1.0–2.5 | 0.65 | 23.0–25.0 | 12.0–14.0 | 2.0–3.0 | 0.03 | 0.03 | 0.75 |
| Approximate value | 0.045 | 1.76 | 0.54 | 23.58 | 13.50 | 2.23 | 0.024 | 0.011 | 0.04 |
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 | — | 670 | 33 | 69/-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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