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SAW

PF-90B91 / US-90B91

Flux and wire combination for 9%Cr-1%Mo-V-Nb steel
Features:
  • Applied for ASTM A387 Gr.91 and equivalents
  • Excellent creep rupture strength
  • Classification:AWS A5.23 F9PZ-EB91-B91
    Type of flux:Bonded
    Redrying of flux:200~300℃x1h
    Polarity:DCEP
    Welding Positions: Canvas is Not Supported.

    Packaging data

    FluxMeshCan
    PF-90B9110x4820kg
    Volume mm240W, 350H, 240L
    Wireφ mmCoil
    US-90B912.4
    3.2
    25kg
    25kg
    Volume mm430W, 90H, 430L

    Composition (wire mass%)


    TypicalGuarantya
    C0.110.07~0.13
    Si0.290.50
    Mn0.511.00
    P0.0050.015
    S0.0040.015
    Cu<0.010.10
    Ni0.141.00
    Cr8.958.5~10.5
    Mo1.000.85~1.15
    V0.190.15~0.25
    Al<0.0020.04
    Nb0.060.02~0.10
    N0.040.03~0.07
    Mn+Ni0.651.40
    Co0.39-
    Note: aSingle values are maximium.

    Composition (weld metal mass %)

    TypicalGuarantya
    C0.080.08~0.13
    Si0.260.80
    Mn0.721.20
    P0.0050.010
    S0.0050.010
    Cu0.010.25
    Ni0.120.80
    Cr8.938.0~10.5
    Mo1.010.85~1.20
    V0.180.15~0.25
    Al0.010.04
    Nb0.050.02~0.10
    N0.040.02~0.07
    Mn+Ni0.841.40
    Co0.36-
    Note: aSingle values are maximium.

    All-weld mechanical properties


    TypicalGuaranty
    0.2%YS (MPa)590538min.
    TS (MPa)730621~758
    El on 4d (%)2517min.
    PWHT (℃xh)760x2760±15x2

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