Stainless Steel

ARF SS-309-MO


  • Classifications :
    AWS : E 309 Mo 16
    IS      : E 23 12.2 R 16

  • Characteristics :
    A medium heavy coated,all position electrode depositing a 25 cr, 12 NI, 2.5 mo weldment. Gives a quiet and stable arc, low spatter smooth weld bead and easily detachable slag Excellent resistance to chemical corrosion and heat. Radiographic quality weld metal possesses good oxidation resistance upto 1050'C.

  • Applictions :
    Stainarc 309 Mo is specially designed for Weding of 316 steel as well as dissimilar metals such as molybdenum containing austenitic stainless steel to carbon steel, fore welding 309 Mo steel for overlay applications to resist heat and corrosion.
    For joining dissimilar steels such as:
    a) 18/11- mo steel to mild steel
    b) Applying sheet linings of 12% Cr steel to mild steel shells.

  • All Weld :
    C = 0.06-0.10
    Mn = 0.8-2.50

  • Meetal properties :
    Si = 0.3-0.7 Max
    S = 0.03Max
    P = 0.03 Max
    Cr = 22-25
    Ni = 12-14
    Mo = 2.0-3.0

  • All Weld :
    UTS = 590-710 N/mm2

  • Mechanical properties :
    Elong(%) = 38-45

  • Precautions :
    Electrodes must be dry,moist electrodes should be redried at 150.C for one hour.



CURRENT RANGE & PACKING DATA: AC/DC (+)
SIZE LENGHT RANGE NO of PCS/PKT NO of pcs/Box
2.5 350 60-80 110 440
3.15 350 80-110 70 280
4.0 350 110-140 50 200
5.0 350 140-180 30 120


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