
BC-R407
Product Application
● High temperature and high pressure pipelines
● Chemical machinery
● Petroleum cracking equipment
● Welding chromium 2.5 molybdenum (2.25CrMo, etc.) low-alloy steel structure
Characteristics and advantages
● R407 is a heat-resistant steel electrode with alkaline coating
● Has high temperature resistance to oxygen erosion
● Excellent welding process performance
● Less splashing, stable arc, easy slag removal, and beautiful weld formation
● All position welding and excellent performance
Compliant with standards
● GB/T 5118 E6215-2C1M
● AWS A5.5 E9015-B3
● ISO 3580-B-E6215-2C1M
Chemical composition of deposited metal
C | Mn | Si | P | S | Cr | Mo | |
Standard value | 0.05-0.12 | ≤0.90 | ≤1.00 | ≤0.03 | ≤0.03 | 2.0-2.5 | 0.9-1.2 |
Example value | 0.067 | 0.65 | 0.38 | 0.016 | 0.008 | 2.23 | 1.020 |
Mechanical properties of deposited metal
Tensile Strength Rm(MPa) | Yield Strength ReL (MPa) | Elongation after fracture A(%) | Impact Energy KV2(J) | |||||
Standard value | ≥620 | ≥530 | ≥15 | — | ||||
Example value | 680 | 570 | 20 | 140 |