The differences among high-pressure alloy pipes, 12cr1mov alloy pipes and 15crmo alloy pipes and their the mechanical properties and chemical compositions

Standard GB/T8162  Grade  Tensile Strength (MPa)  Yield Strength (MPa)  Elongation (%)

15CrMo ≥440 ≥295 ≥22  

12Cr1MoV ≥490 ≥245 ≥22  

Standard GB/T8162  Grade  Chemical Composition (%)

15CrMo 0.12～0.18 0.17～0.37 0.40～0.70 ≤0.035 ≤0.035 ≤0.25 ≤0.30 0.40～0.55 0.80～1.10 /

12Cr1MoV 0.08～0.15 0.17～0.37 0.40～0.70 ≤0.035 ≤0.035 ≤0.25 ≤0.30 0.25～0.35 0.90～1.20 0.15～0.30