4Cr3Mo3SiV Special Alloy

Chemical composition%of the ladle analysis of grade4Cr3Mo3SiV

C(%)Si(%)Mn(%)P(%)S(%)Cr(%)Ni(%)Mo(%)V(%)Cu(%)
0.35~0.450.80~1.200.25~0.70≤0.030≤0.0303.00~3.75≤0.202.00~3.000.25~0.75≤0.30
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  • Mechanical properties of grade4Cr3Mo3SiV

    Proof strength
    Rp0.2(MPa)
    Tensile strength
    Rm(MPa)
    Impact energy
    KV(J)
    Elongation at fracture
    A(%)
    Reduction in cross section on fracture
    Z(%)
    As-Heat-Treated Condition Brinell hardness(HBW)
    776(≥) 372(≥) 34 43 31 Solution and Aging,Annealing,Ausaging,Q+T,etc 331

    Physical properties of grade 4Cr3Mo3SiV

    Property Density
    kg/dm3
    Temperature T
    °C/F
    Specific heat
    J/kgK
    Thermal conductivity
    W/mK
    Electric resistance
    µΩ·cm
    Modulus of elasticity
    kN/mm2
    Expansion rate
    494(≥) 449(≥) 14 22 43 Solution and Aging,Annealing,Ausaging,Q+T,etc 223
    Temp.
    °C/°F
    Creep strain limit
    (10000h)
    (Rp1,0)N/mm2
    Creep rupture strength
    (10000h)
    (Rp1,0)N/mm2
    487 474 799

    4Cr3Mo3SiV Range of products

    Product type Products Dimension Processes Deliver Status
    Plates/Sheets Plates/Sheets 0.08-200mm(T)*W*L Forging,hot rolling and cold rolling Annealed,Solution and Aging,Q+T,ACID-WASHED,Shot Blasting
    Steel Bar Round Bar,Flat Bar,Square Bar Φ8-1200mm*L Forging,hot rolling and cold rolling,Cast Black,Rough Turning,Shot Blasting,
    Coil/Strip Steel Coil/Steel Strip 0.03-16.0x1200mm Cold-Rolled&Hot-Rolled Annealed,Solution and Aging,Q+T,ACID-WASHED,Shot Blasting
    Pipes/Tubes Seamless Pipes/Tubes,Welded Pipes/Tubes OD:6-219mm x WT:0.5-20.0mm Hot extrusion,Cold Drawn,Welded Annealed,Solution and Aging,Q+T,ACID-WASHED

    Equivalent Grade