34CrMo4 alloy steel pipe, 34CrMo4 chemical composition/mechanical properties
34CrMo4 Alloy Steel Tube Chemical Composition Carbon C: 0.30～0.37
Silicon Si: 0.10 to 0.40
Manganese Mn: 0.60~0.90
Sulfur S: Permissible residual content ≤ 0.035
Phosphorus P: Permissible residual content ≤ 0.035
Chrome Cr:0.90~1.20
Nickel Ni: Permissible residual content ≤ 0.030
Copper Cu: Permissible residual content ≤ 0.030
Mo Mo: 0.15~0.30
34CrMo4 alloy steel pipe mechanical properties tensile strength σb (MPa): ≥985 (100)
Yield strength σs (MPa): ≥ 835 (85)
Elongation δ5 (%): ≥12
Section shrinkage ψ (%): ≥45
Impact power Akv (J): ≥63
Impact toughness value αkv (J/cm2): ≥78(8)
Hardness: ≤ 229HB
34CrMo4 alloy steel pipe, 34CrMo4 chemical composition/mechanical properties
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