BC-E309Mo（A312）
Product Application
● Welding of composite steel plates and dissimilar steels
● Petrochemical pipeline system
Characteristics and advantages
● A312 is a stainless steel electrode of the rutile coating type
● Has better corrosion resistance, crack resistance, and oxidation resistance
● Small spatter, beautiful weld formation
● AC/DC dual-use, all position welding
Compliant with standards
● GB/T 983 E309Mo-16
● AWS A5.4 E309Mo-16
● ISO 3581-B-ES309Mo-16
Chemical composition of deposited metal
| C | Mn | Si | P | S | Cr | Mo | Cu | Ni | |
| Standard value | ≤0.12 | 0.5-2.5 | ≤1.0 | ≤0.04 | ≤0.03 | 22.0-25.0 | 2.0-3.0 | ≤0.75 | 12.0-14.0 |
| Example value | 0.057 | 0.92 | 0.63 | 0.023 | 0.012 | 23.32 | 2.44 | 0.20 | 13.10 |
Mechanical properties of deposited metal
| Tensile Strength Rm（MPa） | Elongation after fracture A（%） | |||
| Standard value | ≥550 | ≥25 | ||
| Example value | 620 | 35 | ||
