![]() Examples of FCAW-S or self-shielded FCAW wires are- E70T-3, E70T-4, E70T-6, and E70T-10, etc.įCAW-G is another variant of the FCAW where external shielding gas is mandatory during the welding to protect the weld pool. The wire has sufficient coating elements to produce the shielding gases required to protect the weld pool. So, no external shielding gas is used in the Self-shielded mode of Flux-cored arc welding (FCAW). The difference between FCAW-S and FCAW-G is based on the presence of shielding gas. If M is given, its mean wire is used with mixture of argon + CO2 gas.
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