BC-E309（A302）
Product Application
● Welding the same type of stainless steel
● Shipping
● Vehicle
● Bridge
Characteristics and advantages
● A302 is a stainless steel electrode with a rutile coating type
● Weld metal has good crack resistance and oxidation resistance
● Small spatter, beautiful weld formation
● AC/DC dual-use, all position welding
Compliant with standards
● GB/T 983 E309-16
● AWS A5.4 E309-16
● ISO 3581-B-ES309-16
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 | 0.064 | 1.13 | 0.064 | 0.027 | 0.012 | 24.32 | 0.29 | 0.20 | 12.53 |
Mechanical properties of deposited metal
| Tensile Strength Rm（MPa） | Elongation after fracture A（%） | |||
| Standard value | ≥550 | ≥25 | ||
| Example value | 595 | 39 | ||
