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E70T-4


Alloy Type:

E70T-4  is a self-shielded, flux cored electrode designed for use in the multiple pass welding of carbon steels.  This electrode is intended for flat position welding of grooves and fillets and horizontal fillet welding with extremely high deposition rates.

 

Typical Applications:    ideal for those welding applications where gas-shielded electrodes may have problems, such as outdoors or in windy conditions; good choice in poor fit up situations or when extended stickouts must be used in hard-to-reach areas.

 

AWS Class: E70T-4 Certification:    AWS A5.20/A5.20M:2005
Alloy:  E70T-4 AWS/ASME SFA A5.20

 

Welding Position: Current:

DCEP

 

Tensile Strength, kpsi: 87
Yield Strength, kpsi: 65
Elongation %: 26.5

 

 

Typical Wire Chemistry as per AWS A5.9 (single values are maximum)

C Mn Si S P Cr Ni Mo V Al Cu
0.30 1.75 0.60 0.03 0.03 0.20 0.50 0.30 0.08 1.8 0.35

 

Typical Welding Parameters
Diameter Process Amps Volts
in (mm)
  1/16 1.6 FCAW 200 30
  5/64  .078 FCAW 250 30
  3/32 2.4 FCAW 350 30

 

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