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SFA stands for Steel framing alliance Cheers T. Mathew mathew@harimachines.in
Stopped-flow accessory
E stands for Electrode,70 stands for tensile strength,1 stands for position of welding that is for all positions 8 stands for flux coating.
saw stands for suberged arc welding, where the weld is submerged underneath the flux
SAW welding is a type of arc welding while ERW welding is spot or seam welding. SAW stand for submerged arc welding while ERW stands for electric resistance welding.