Application: 1. Fasteners for machine, automobile; 2. Bolts and screws for machine.. Application:1. Fasteners for machine, automobile;2. Bolts and screws for machine SteelGradeChemical composition(%)CSiMnPSAlRimmedsteelSWCH10R0.08-0.13-0.30-0.60≤0.040≤0.040-Al killed steelSWCH6A≤0.08≤0.10≤0.60≤0.030≤0.035≥0.02SWCH8A≤0.10≤0.10≤0.60≤0.030≤0.035≥0.02SWCH10A0.08-0.13≤0.100.30-0.60≤0.030≤0.035≥0. ...
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