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Astm5120 has high strength and hardenability, and 15Cr steel has poor toughness; It has good weldability, and generally does not need heat treatment after weldin… More>>
20Cr seamless steel pipeChemical composition (%): silicon: 0.17 ~ 0.37Mechanical properties: tensile strength σ B (MPA): ≥ 835 yield strength σ S (MPA): ≥ 5… More>>