BC-ER55-B2
Product Application
● Conventional thermal power station
● Nuclear power plant
● Hydrogen cracking equipment
● Synthetic chemical containers
Characteristics and advantages
● ER55-B2 welding wire is a heat-resistant steel welding wire
● Has good heat resistance and corrosion resistance
● Has good weldability and excellent comprehensive mechanical properties
● Cooperate with Ar or (5% -25%) CO2 as protective gas
Compliant with standards
● GB/T 8110:ER55-B2-MnV
● AWS A5.28:ER80S-G
Chemical composition of deposited metal
| C | Mn | Si | S | P | |
| Standard value | 0.06-0.10 | 1.20-1.60 | 0.60-0.90 | ≤0.025 | ≤0.03 |
| Example value | 0.083 | 1.36 | 0.66 | 0.012 | 0.011 |
| Ni | Cr | Mo | Cu | V | |
| Standard value | ≤0.25 | 1.00-1.30 | 0.50-0.70 | ≤0.35 | 0.20-0.40 |
| Example value | 0.042 | 1.10 | 0.59 | 0.18 | 0.30 |
Mechanical properties of deposited metal
| Tensile strength Rm（MPa） | Yield strength ReL (MPa) | Elongation after fracture A（%） | CVN Impact toughness （J)Room temperature | |||||
| Standard value | ≥550 | ≥440 | ≥19 | ≥27 | ||||
| Example value | 650 | 565 | 25 | 106 | ||||
