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About AISI4130

Posted by:Rain Time:2019.07.25 20:40

AISI 4130 is a widely used structural steel in oil field production with high hardenability.


AISI4130 chemical composition

Carbon C: 0.26 to 0.34, silicon Si: 0.2 to 0.4, manganese Mn: 0.40 to 0.70, AISI 4130 mold steel sulfur S: allowable residual content ≤ 0.035, 

phosphorus P: allowable residual content ≤ 0.035, chromium Cr: 0.80 to 1.10, nickel Ni: Allowable residual content ≤0.030, 

copper Cu: allowable residual content ≤0.030, molybdenum Mo: 0.15-0.25.


AISI4130 mechanical properties

Tensile strength σb (MPa): ≥ 930 (95), yield strength σs (MPa): ≥ 785 (80), elongation δ 5 (%): ≥ 12, reduction in area ψ (%): ≥ 50, impact 

Work Akv (J): ≥ 63, impact toughness value α kv (J / cm 2): ≥ 78 (8), hardness: ≤ 229 HB.

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