Product Introduction
Execution standards:
GB/T 8110 G 55A 4 M21 Z / Equivalent to AWS A5.28 ER80S-G
GB/T 39281 G 69A 5 M21 Z / Equivalent to AWS A5.28 ER100S-G
GB/T 39281 G 90A 5 M21 Z / Equivalent to AWS A5.28 ER120S-G and BS EN ISO 16834-A Mn4Ni2CrMo
Characteristics and Uses
High-strength steel gas-shielded welding wire. The welding operation is good, the amount of soot is small, there is almost no spatter, the arc is relatively stable, and the process adjustment range is wide: the welding process can be adjusted according to actual needs. The weld has good low-temperature impact toughness, and the pass rate of one-time non-destructive testing is high. This product can be widely used in military industry, marine industry, pressure vessels, oil pipelines, steel structures, and other fields.
Notes
(1) Welding is connected by direct current reverse connection (DC+).
(2) The melting speed is high and the penetration is deep, which can effectively reduce the size of the dry foot, reduce the angle of the welding bead, and thus reduce the cost.
(3) Use 80% Ar + 20% CO₂ mixed gas or CO₂ with a purity of more than 99.5%. Gas, the flow rate is 15~25L/min.
(4) When multi-layer and multi-pass welding, it is appropriate to control the interpass temperature at 100~150°C.
(5) When welding with TIG, plasma, laser, and other non-melted pole filling wires, the protective gas is 99.99% Ar.
