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SMAW

CM-95B91

Stick electrode for 9%Cr-1%Mo-V-Nb steel
Features:
  • Applied for ASTM A387 Gr.91 and equivalents
  • Excellent creep rupture strength
  • Classification:AWS A5.5 E9015-B91
    Redrying Conditions:325~375℃x1h
    Polarity:DCEP
    Welding Positions: Canvas is Not Supported.

    Packaging data

    φ mm
    Length mm
    kg/pack
    kg/carton
    g/piece
    carton mm
    2.5/2.6
    300
    2
    20
    18
    270W, 85H, 330L
    3.2
    350
    5
    20
    31
    170W, 120H, 380L
    4.0
    350, 400
    5
    20
    48, 55
    170W, 115H, 430L

    Composition (all-weld metal mass %)


    Typical
    Guarantya
    C
    0.090.08~0.13
    Si
    0.23
    0.30
    Mn0.71
    1.20
    P0.01
    0.01
    S<0.01
    0.01
    Ni0.10
    0.80
    Co0.42
    -
    Cr8.4
    8.0~10.5
    Mo0.99
    0.85~1.20
    Nb0.06
    0.02~0.10
    V0.21
    0.15~0.30
    Cu0.03
    -
    Al<0.01
    0.04
    N0.03
    0.02~0.07
    Mn+Ni0.81
    1.40
    Note: aSingle values are maximium.

    Welding parameters (A)

    φ mm
    1F, 1G, 2F, 2G
    3G uphill, 4G
    2.5/2.655~90
    50~80
    3.275~115
    70~110
    4.0
    120~160
    90~150

    All-weld mechanical properties


    Typical
    Guaranty
    0.2%YS (MPa)
    590
    531min.
    TS (MPa)
    730
    621min.
    El on 4d (%)
    21
    17min.
    V 20°C (J)70
    -
    PWHT (°Cxh)760x2
    760±15x2

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