7CrSiMnMoV Special Alloy

Chemical composition%of the ladle analysis of grade7CrSiMnMoV

C(%)Si(%)Mn(%)P(%)S(%)Cr(%)Mo(%)V(%)
0.65~0.750.85~1.150.65~1.05≤0.030≤0.0300.90~1.200.20~0.500.15~0.30
  • » Alloy steel the performance characteristic and the USES(4)
  • » Alloy steel the performance characteristic and the USES(3)
  • » Alloy steel the performance characteristic and the USES(2)
  • » Alloy steel the performance characteristic and the USES(1)
  • Mechanical properties of grade7CrSiMnMoV

    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)
    456(≥) 436(≥) 14 44 24 Solution and Aging,Annealing,Ausaging,Q+T,etc 332

    Physical properties of grade 7CrSiMnMoV

    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
    665(≥) 379(≥) 31 42 43 Solution and Aging,Annealing,Ausaging,Q+T,etc 322
    Temp.
    °C/°F
    Creep strain limit
    (10000h)
    (Rp1,0)N/mm2
    Creep rupture strength
    (10000h)
    (Rp1,0)N/mm2
    635 377 829

    7CrSiMnMoV 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