Base Fe (Iron) : Fe/3.2-4.1C/1.8-2.8Si/<0.8Mn/<0.1P/<0.03S Material Standards with Similar Chemical Composition GB 1348(88) QT 450-10 (China) AFNOR NFA32201 FGS450-10 (France) JIS G5502(95) FCD45 Class 2 (Japan) GOST 7293 VCh45 (Russian Federation) SIS 140722 0722-00 (Sweden) ISO 1083(87) 450-10 (International) BS 2789 450/10 (United Kingdom) ASTM A536(93) 60-42-10 (USA) ASTM A716(95) A716 (USA)
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