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SAW

PF-200S / 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:AC
    Welding Positions: Canvas is Not Supported.

    Packaging data

    Flux
    		Mesh
    		Can
    PF-200S
    		10x48
    		20kg
    Volume mm
    		240W, 350H, 240L
    Wire
    		φ mmCoil
    US-90B91
    		2.4
    3.2
    		25kg
    25kg
    Volume mm
    		430W, 90H, 430L

    Composition (wire mass%)


    		Typical
    		Guarantya
    C
    		0.11
    		0.07~0.13
    Si
    		0.29
    		0.50
    Mn0.51
    		1.00
    P0.005
    		0.015
    S
    		0.004
    		0.015
    Cu
    		<0.01
    		0.10
    Ni
    		0.14
    		1.00
    Cr
    		8.95
    		8.5~10.5
    Mo
    		1.00
    		0.85~1.15
    V
    		0.19
    		0.15~0.25
    Al
    		<0.002
    		0.04
    Nb
    		0.06
    		0.02~0.10
    N0.04
    		0.03~0.07
    Mn+Ni0.65
    		1.40
    Co0.39
    		-
    Note: aSingle values are maximium.

    Composition (weld metal mass %)


    		Typical
    		Guarantya
    C
    		0.09
    		0.08~0.13
    Si
    		0.25
    		0.80
    Mn0.66
    		1.20
    P0.005
    		0.010
    S0.005
    		0.010
    Cu0.01
    		0.25
    Ni0.12
    		0.80
    Cr9.018.0~10.5
    Mo1.01
    		0.85~1.20
    V0.19
    		0.15~0.25
    Al<0.01
    		0.04
    Nb0.05
    		0.02~0.10
    N0.04
    		0.02~0.07
    Mn+Ni0.78
    		1.40
    Co0.36
    		-
    Note: aSingle values are maximium.

    All-weld mechanical properties


    		Typical
    		Guaranty
    0.2%YS (MPa)
    		600538min.
    TS (MPa)
    		730621~758
    El on 4d (%)2317min.
    PWHT (℃xh)760x2
    		760±15x2

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