BC-ER309
Product Application
● Petrochemical equipment
● Pressure vessel
● Power station construction
● Food machinery
Characteristics and advantages
● "ER309 is welding wire specifically designed
● for welding 309L stainless steel"
● "High corrosion resistance, excellent welding process performance,
● anti porosity ability, and good mechanical properties"
● Cooperate with Ar or (1% -2%) O2 as protective gas
Compliant with standards
● AWS A5.9: ER309
Chemical composition of deposited metal
| C | Mn | Si | Ni | Cr | Mo | |
| Standard | ≤0.012 | 1.0-2.5 | 0.30-0.65 | 12.0-14.0 | 23.0-25.0 | ≤0.75 |
| Instantiate | 0.027 | 2.28 | 0.53 | 13.75 | 23.62 | 0.026 |
Mechanical properties of deposited metal
| Tensile strength Rm（MPa） | Yield strength ReL (MPa) | Elongation after breaking A（%） | ||||
| Standard | ≥550 | — | ≥30 | |||
| Instantiate | 630 | 465 | 38 | |||
