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SAE1020CSiMnCrNiSP0.17-0.240.17-0.370.35-0.65<=0.25<=0.25<=0.035<=0.035SAE1045CSiMnCrNiCuP0.42~0.500.17~0.370.50~0.80≤0.25≤0.30≤0.25≤0.035SAE4140… More>>
Purpose of 42CrMo seamless steel pipe: the special steel used for bridges is "42CrMo", the special steel used for automobile girders is "42CrMo&qu… More>>
Alloy structural steel has appropriate hardenability. After appropriate metal heat treatment, its microstructure is uniform sorbite, bainite or very fine pearlit… More>>