Commander­ 309

AWS/SFA : A 5.4 : E 309-­16

Application

Welding of AISI 309L type, joining SS to low alloy steels or carbon steels. Deposition of buffer layer on Carbon steel or low alloy steels before deposition of 18/18 type of weld metal.

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  • Chemical Composition
    • C Mn Si S P Cr Ni
    0.04 Max. 1.00-2.50 0.90 Max. 0.030 Max. 0.030 Max. 22.0­-25.0 12.0-14.0
    • Mechanical Properties
      • UTS ELONG.% CVN IMPACT VALUES Temp.
      520-­600 N/mm²  30-­40 +27°C 60­-100 J.
      • Welding Parameters
        • AC / DC (+)
        SIZE (MM) CURRENT (AMP)
        2.50 x 350 40-60
        3.15 x 350 65-90
        4.00 x 350 95-135
        5.00 x 350 135-175

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