AISI4130 seamless tube
Mechanical properties of aisi4130 seamless pipe
Tensile strength σ B (MPA): ≥ 930 (95) yield strength σ s (MPa)：≥785(80)
Elongation δ 5 (%)：≥12
Reduction of area ψ (%)：≥50
Impact energy Akv (J): ≥ 63
Impact toughness value α kv (J/cm2)：≥78(8)
Hardness: ≤ 229hb
Sample size: sample blank size is 25mm
Heat treatment specification: quenching 880 ℃, water cooling, oil cooling; Tempering 540 ℃, water cooling and oil cooling.
Chemical composition of aisi4130 seamless pipe
Carbon (c): 0.28 ～ 0.33
Silicon (SI): 0.15 ～ 0.35
Manganese (MN): 0.40 ～ 0.60
Sulfur s: allowable residual content ≤ 0.040
Phosphorus P: allowable residual content ≤ 0.035
Chromium (CR): 0.80 ～ 1.10
Nickel Ni: allowable residual content ≤ 0.030
Copper Cu: allowable residual content ≤ 0.030
Molybdenum (MO): 0.15 ～ 0.25