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Chemical composition % of the ladle analysis of grade 3Cr2Mo

C(％) Si(％) Mn(％) P(％) S(％) Cr(％) Mo(％)
0.28～0.40 0.20～0.80 0.60～1.00 ≤0.030 ≤0.030 1.40～2.00 0.30～0.55
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    • Mechanical properties of grade 3Cr2Mo
    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)
    957 (≥) 357 (≥) 24 32 43 Solution and Aging, Annealing, Ausaging, Q+T,etc 311
    Physical properties of grade 3Cr2Mo
    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
    958 (≥) 625 (≥) 21 41 12 Solution and Aging, Annealing, Ausaging, Q+T,etc 424
    Temp.
    °C/°F    		 Creep strain limit
    (10000h)
    (Rp1,0) N/mm2    		 Creep rupture strength
    (10000h)
    (Rp1,0) N/mm2
    445 582 989
    3Cr2Mo 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

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