Commander­ 7018 H4R

AWS/SFA : A 5.5 : E7018 H4R

Application

All maintenance applications including welding of all types of carbon­ manganese steel, high tensile steels, heavy structures, plants and equipments subject to static or dynamic loading. Can be used as a buffer layer before hard­facing.

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  • Chemical Composition
    • C MN SI S P
    0.05­-.09 1.0­-1.40 0.35-­0.70 0.030 Max. 0.030 Max.
    • Mechanical Properties
      • YS UTS ELONG.%(L=4xd) CVN IMPACT VALUES Temp.
      450-­520 N/mm² 520-­600 N/mm² 24­-32 30°C 70 J.
      • Welding Parameters
        • AC / DC (+)
        SIZE (MM) CURRENT (AMP)
        2.50 x 350 60-90
        3.15 x 350 90-140
        3.15 x 450 100-140
        4.00 x 450 140-190
        5.00 x 450 200-240

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