BC-HJ250G
Product Application
● Automatic submerged arc welding of pressure equipment steel with the same strength level
Characteristics and advantages
● HJ250G is a silicon manganese melting flux
● Excellent welding process performance
● Effectively inhibit the generation of CO pores
● Sulfur≤0.050%
● Phosphorus≤0.060%
Compliant with standards
● GB/T 5293 S55A2 MS-SUM3
Mechanical properties of deposited metal
| Tensile strength Rm（MPa） | Yield strength ReL (MPa) | Elongation rate A（%） | -20℃Impact energy KV2(J) | |||||
| Standard value | 550-740 | ≥460 | ≥17 | ≥27 | ||||
| Example value | 580 | 490 | 22 | 70 | ||||
