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  • G20CrNi2MoA SAE4320h alloy round steel
  • G20CrNi2MoA SAE4320h alloy round steel
  • G20CrNi2MoA SAE4320h alloy round steel

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G20CrNi2MoA SAE4320h alloy round steel
Phone：+86 15335021875
WhatsApp：+86 15335021875
Email：euvanmetal@gmail.com
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PRODUCT DESCRIPTION

Chemical composition:

Carbon C: 0.37 ~ 0.44 Silicon Si: 0.17 ~ 0.37 Manganese Mn: 0.50 ~ 0.80 Sulfur S: Allowable residual content ≤0.025 P: Allowable residual content ≤0.025 Chromium Cr: 0.60 ~ 0.90 Nickel: 1.25 ~ 1.65 Copper Cu: Allowable residual content ≤0.25 Molybdenum Mo: 0.15 ~ 0.25

Performance characteristics:

Density ρ (kg/m3) : about 7830 Elastic modulus (GPa) : 209 Tensile strength σb (MPa) : ≥980(100) Yield strength σs (MPa) : ≥835(85) Elongation δ5 (%) : ≥12 Section shrinkage ratio ψ (%) : ≥55 Impact power Akv (J) : ≥78 Impact toughness value αkv (J/cm²) : ≥98(10) Specimen size: specimen blank size is 25mm Heat treatment: quenching 850 degrees; Coolant: oil; Tempering temperature 600 degrees; Coolant: water, oil); Steel annealing or high temperature tempering supply state Brinell hardness HBW≤269;


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