BC-E309C（A307）
Product Application
● Welding the same type of stainless steel and dissimilar steel
● Welding high chromium steel and high manganese steel of the same type
Characteristics and advantages
● A307 is a stainless steel electrode with alkaline coating type
● Weld metal has excellent crack resistance and oxidation resistance
● DC reverse connection, all position welding
Compliant with standards
● GB/T 983 E309-15
● AWS A5.4 E309-15
● ISO 3581-B-ES309-15
Chemical composition of deposited metal
| C | Mn | Si | P | S | Cr | Mo | Cu | Ni | |
| Standard value | ≤0.15 | 0.5-2.5 | ≤1.0 | ≤0.04 | ≤0.03 | 22.0-25.0 | ≤0.75 | ≤0.75 | 12.0-14.0 |
| Example value | 0.077 | 1.46 | 0.58 | 0.025 | 0.009 | 23.8 | 0.13 | 0.21 | 12.80 |
Mechanical properties of deposited metal
| Tensile Strength Rm（MPa） | Elongation after fracture A（%） | |||
| Standard value | ≥550 | ≥25 | ||
| Example value | 590 | 39 | ||
