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Alloy Structural Steel 20CrNiMo ASTM8620 1.6523 20NiCrMo2

Shanghai Testeel Industry Co.,Ltd
    Buy cheap Alloy Structural Steel 20CrNiMo ASTM8620 1.6523 20NiCrMo2 from wholesalers
     
    Buy cheap Alloy Structural Steel 20CrNiMo ASTM8620 1.6523 20NiCrMo2 from wholesalers
    • Buy cheap Alloy Structural Steel 20CrNiMo ASTM8620 1.6523 20NiCrMo2 from wholesalers

    Alloy Structural Steel 20CrNiMo ASTM8620 1.6523 20NiCrMo2

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    Delivery Time : 50 days
    Supply Ability : 10000 tons/monthe
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    Alloy Structural Steel 20CrNiMo ASTM8620 1.6523 20NiCrMo2


    alloy structural steel:20CrNiMo ASTM8620 1.6523 20NiCrMo2
    standard:GB/T 3077-1999
    Chemical composition:
    C :0.17~0.23
    Si:0.17~0.37
    Mn:0.60~0.95
    S :allow remains content≤0.035
    P :allow remains content≤0.035
    Cr:0.40~0.70
    Ni:0.35~0.75
    Cu:allow remains content≤0.030
    Mo:0.20~0.30
    mechanical properties:
    tensile strength σb (MPa):≥980(100)
    yield strength σs (MPa):≥785(80)
    extensibility δ5 (%):≥9
    reduction of area ψ (%):≥40
    ballistic work Akv (J):≥47
    notched bar impact strength αkv (J/cm2):≥59(6)
    rigidity :≤197HB
    specimen size:specimen size of rough 15mm
    —heat treatment regime and metallurgical structure:
    heat treatment regime :quenching 850„ƒ,oil cooling ;backfire200„ƒ,air cooling €‚
    —deliver position :heat treatment(normalizing€annealing or high-temperature backfire)or no heat treatment,this should be shown on the contract.

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