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Alloy Structural Steel 20CrNiMo ASTM8620 1.6523 20NiCrMo2

Shanghai Testeel Industry Co.,Ltd

Alloy Structural Steel 20CrNiMo ASTM8620 1.6523 20NiCrMo2

MOQ : 10

Delivery Time : 50 days

Supply Ability : 10000 tons/monthe

Place of Origin : China

Sample Price : Depending on the quality demanded

Category : Alloy

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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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