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GMAW

MG-S90B91

Solid wire for 9%Cr-1%Mo-V-Nb steel
Features:
  • Applied for ASTM A387 Gr.91 and equivalents
  • Excellent creep rapture strength
  • Classification:AWS A5.28 ER90S-B9
    Shielding gas:Ar-2~5%O2, Ar-5~20%CO2
    Polarity:DCEP
    Welding Positions: Canvas is Not Supported.

    Packaging data

    φ mm
    Spool
    1.2
    10kg
    20kg
    Volume mm
    240W, 110H, 230L
    280W, 110H, 270L

    Composition (wire mass%)


    Typical
    Guarantya
    C
    0.12
    0.07~0.13
    Si
    0.23
    0.15~0.50
    Mn
    0.63
    1.20
    P
    0.004
    0.010
    S
    0.005
    0.010
    Ni
    0.15
    0.80
    Co
    0.41
    -
    Cr8.38
    8.00~10.50
    Mo
    0.98
    0.85~1.20
    Cu0.01
    0.20
    Nb0.06
    0.02~0.10
    V0.18
    0.15~0.30
    N0.04
    0.03~0.07
    Al<0.01
    0.04
    Mn+Ni0.78
    1.50
    Note: aSingle values are maximium.

    Welding parameters (A)

    φ mm
    1F, 1G, 2F
    2G, 3G uphill, 4G
    1.2
    260~320
    140~200

    All-weld mechanical properties


    Typical
    Guaranty
    0.2%YS (MPa)
    590
    414min.
    TS (MPa)
    730
    621min.
    El on 4d (%)
    23
    15min.
    IV 0℃ (J)
    30
    -
    PWHT (°Cxh)760x2
    760±15x2
    SGAr-5%CO2Ar-5%CO2

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