Commander­ 312 L

AWS/SFA : A 5.4 : E 312L­-16

Application

For where weld metal requirement is of radiographic, X­rays, ultrasonic and other code requirements. Weld metal gives a 30/10 deposit which has excellent oxidation resistance. It is also suitable for welding of heavy machinery parts, earth-moving equipment, auto mobile spring, trunnions of cement mills and other allied components.

  • Chemical Composition
  • C Mn Si S P Cr Ni Mo Cu
    0.15 Max. 0.50-2.50 0.90 Max 0.030 Max 0.040 Max 28.00-32.00 8.00­10.5 0.75 Max 0.75 Max
    • Mechanical Properties
    • UTS ELONG.% (L=4d)
      660­-860 N/mm² 22­-30
      • Welding Parameters
      • AC / DC (+)
        SIZE (MM) CURRENT (AMP)
        2.50 x 350 50-75
        3.15 x 350 70-110
        4.00 x 350 110-140
        5.00 x 350 150-180