Low Hydrogen

ARF 7018


  • Classifications :
    AWS : E7018
    BIS : EB 5426 H3JX

  • Characteristics :
    A heavy coated, Low hydrogen iron powder, All position except vertical down position electrode with very smooth arc, Least spatter and medium penetration. Extremely ductile weld metal is crack resistant. Especially recommended fore heavy structures subjected to dynamic weld of Radiographic Qulity with a deposition efficiency of 115% Approx.

  • Applictions :
    For casting replaced by heave welded fabrications, Pressure vessels, Penstocks, Bridges, for root Passels, Penstocks Bridges, for root passes in heavy structures subjected to mechanical restraint and dynamic loading, Boilers. Especislly for IS-2062. steels having thickness beyond 20mm and carbon steel of any thickness.

  • All Weld :
    C = 0.12% Max
    Mn = 1.60% Max

  • Meetal properties :
    Si = 0.75% Max
    S = 0.035% Max
    P = 0.035% Max

  • All Weld :
    UTS = 510-610 N/mm2

  • Mechanical properties :
    YS = 400 N/mm2
    Elong = 22-30%
    Impact Value (CVN) at-30'C 27 J

  • Precautions :
    Preheat the electrodes at 250'C Temp.hold it at 105'C while in use.



CURRENT RANGE & PACKING DATA: AC/DC (+)
SIZE LENGHT RANGE NO of PCS/PKT NO of pcs/Box
2.5 350 60-90 75 600
3.15 450 100-140 100 400
4.0 450 150-200 70 280
5.0 450 200-240 45 180


Products List