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CLASSIFICATION: EC1 per AWS A5.17, ASME SFA 5.17.

APPROVALS: ABS F7A2-EC1

Select EM12K-S is a metal cored, carbon steel electrode designed for submerged arc welding only. It is intended for the single and multiple pass welding of carbon and certain low alloy steels in the flat and horizontal fillet positions..


APPLICATIONS: Select EM12K-S is intended for those applications involving the welding of structural carbon steels such as A36, A285, A515 and A516. It may be used with neutral or active fluxes and may be substituted anywhere a solid wire, EM12K is used. Select EM12K-S is an excellent choice for high productivity welding applications and can be used in single or multi-arc applications such as "twin wire" or "tandem twin wire" submerged arc welding.


DIAMETERS: 3/32", 7/64", 1/8"

WELDING POSITIONS: Flat and Horizontal

CHARACTERISTICS:

  • Higher deposition rates than EM12K solid wire.
  • Broader and shallower bead penetration.
  • Reduced burn-through tendency.

TYPICAL DEPOSIT COMPOSITION
Wt% C Mn P S Si
.07 1.15 .010 .010 .40

RECOMMENDED WELDING PARAMETERS:
Diam. Amps Volts Wire Feed Speed (ipm) ESO (in)
3/32" 275 28-29 80 1.00-1.25
  450 32-33 155  
  600 37-38 245  
1/8" 300 28-29 45 1.00-1.25
  550 32-33 105  
  750 37-38 180  
5/32" 425 31-32 45 1.25-1.50
  700 37-38 105  
  900 31-42 180