MH-81B2 Creep Resisting Steel Flux Cored Wires
Standard：AWS A5.29, E81T1-B2C.
It is a kind of Cr-Mo low alloy steel flux cored wire shielded by CO2.
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Standard：AWS A5.29, E81T1-B2C.
It is a kind of Cr-Mo low alloy steel flux cored wire shielded by CO2.
It has titanium calcium slag system, can be welded in all positions. Suitable for welding pearlite high-strength steel (such as 15CrMo) with 1.0% Cr -0.5% Mo content below 520 ℃, as well as steam and superheated gas pipelines.
| Tensile Strength | 620MPa |
| Elongation | 23.5% |
| Chemical components of deposited metal (%) (shielding gas: CO2) | |||||||
| Item | C | Mn | Si | S | P | Cr | Mo |
| Example value | 0.055 | 0.8 | 0.22 | 0.005 | 0.012 | 1.13 | 0.51 |
| Reference current (DC+) | ||
| Diameter of welding wire (mm) | φ1.2 | |
| Current range | Flat welding | 120-300 |
| (A) | Upward vertical welding, overhead position welding | 120-260 |
| Vertical down welding | 200-300 | |
| Horizontal position welding | 120-280 | |
