Flux Cored Arc Welding (FCAW)

Linnert, Welding Metallurgy, AWS, 1994

FCAW Electrode Classification

E70 T - 1Electrode

Minimum UTS70,000 psi

Position

Flux Cored /TubularElectrode

Type Gas, Usabilityand Performance

Flux-Cored Arc Welding

American Welding Society SpecificationAWS A5.20 and AWS A5.29.

Linnert, Welding MetallurgyAWS, 1994

Advantages• High deposition rates • Deeper penetration

than SMAW• High-quality • Less pre-cleaning than

GMAW• Slag covering helps

with larger out-of-position welds

• Self-shielded FCAW is draft tolerant.

Flux-Cored Arc Welding

Limitations• Slag must be removed• More smoke and fumes

than GMAW and SAW• Spatter• FCAW wire is more

expensive • Equipment is more

expensive and complex than for SMAW

Flux-Cored Arc Welding