BC-R307
Product Application
● Boiler tube
● Pressure vessel
● Oil container
● Petroleum refining equipment
Characteristics and advantages
● R307 is a heat-resistant steel electrode with alkaline coating
● Less splashing, stable arc, slag tolerance, and beautiful weld formation
● All position welding and excellent performance
Compliant with standards
● GB/T 5118 E5515-1CM
● AWS A5.5 E8015-B2
● ISO 3580-B-E5515-1CM
Chemical composition of deposited metal
| C | Mn | Si | P | S | Cr | Mo | |
| Standard value | 0.05-0.12 | ≤0.90 | ≤0.80 | ≤0.03 | ≤0.03 | 1.0-1.5 | 0.4-0.65 |
| Example value | 0.067 | 0.70 | 0.37 | 0.015 | 0.008 | 1.14 | 0.51 |
Mechanical properties of deposited metal
| Tensile Strength Rm（MPa） | Yield Strength ReL (MPa) | Elongation after fracture A（%） | Impact force KV2（J) | |||||
| Standard value | ≥550 | ≥460 | ≥17 | — | ||||
| Example value | 610 | 510 | 24 | 160 | ||||
