Good translation Metal Products (Shanghai) alloy structural steel companies (domestic alloy steel / alloy steel imports) 35crmov alloy structural steel / 35crmov steel / 35crmov steel bar / 35crmov Coil / 35crmov steel / 35crmov pipe / 35crmov wire (good Translation Metal Products (Shanghai) Co., Ltd.) 
 35CrMoV, alloy structural steel. Unified digital code: A31352 
 Standard: GB / T 3077-1988 
 Chemical composition 
 [] Chemical composition (mass fraction) (%) 
 Carbon C: 0.30 ~ 0.38 
 Si Si: 0.17 ~ 0.37 
 Manganese Mn: 0.40 ~ 0.70 
 Sulfur S: to allow the residual content of ≤ 0.035 
 Phosphorus P: allow the residual content ≤ 0.035 
 Chromium Cr: 1.00 ~ 1.30 
 Ni: to allow the residual content of ≤ 0.030 
 Copper Cu: to allow the residual content ≤ 0.030 
 Vanadium V: 0.10 ~ 0.20 
 Mo Mo: 0.20 ~ 0.30 
 Mechanical properties 
 [Mechanical properties] 
 Blank sample size (mm): 25 
 Heat treatment: 
 The first quenching temperature (℃): 900; Coolant: Oil 
 Second quenching temperature (℃): 
 Tempering heating temperature (℃): 630; coolant: water, oil 
 Tensile strength σb (MPa): ≥ 1080 (110) 
 Yield strength σs (MPa): ≥ 930 (95) 
 Elongation δ5 (%): ≥ 10 
 Reduction of area ψ (%): ≥ 50 
 Impact energy Akv (J): ≥ 71 
 Impact toughness αkv (J/cm2): ≥ 88 (9) 
 Brinell hardness (HBS100/3000) (annealing or tempering condition): ≦ 241 
 Delivery status 
 Delivery status: to heat treatment (normalizing, annealing, or tempering) or heat treatment delivery, delivery status should be indicated in the contract. 
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