Commander­ S 7018 AI

AWS/SFA : A 5.5 : E 7018 AI

Application

For welding of 0.50% Mo and 0.50% Cr­ 0.50% Mo steels used in pressure vessels, boilers and pipelines. It gives excellent arc stability, smooth weld­bead, low spatter and easy slag removal. Suitable for joining steels of F1 grade of SA182/182M (P No.3) etc

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  • Chemical Composition
    • C MN SI S P Mo
    0.05­-.09 0.09 Max 0.25­-0.55 0.015 Max. 0.015 Max. 0.40-0.65
    • Mechanical Properties
      • YS UTS ELONG.%(L=4D) CVN IMPACT
      470 N/mm² 600 N/mm² 22-28 – 75°C 40-­80 J
      • Welding Parameters
        • AC (70V) / DC (+)
        SIZE (MM) CURRENT (AMP)
        2.50 x 350 70-100
        3.15 x 350 90-140
        3.15 x 450 100-140
        4.00 x 450 140-180
        5.00 x 450 190-250

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