EC21 Selling Leads Catalogs - chemical composition ss400 http://www.ec21.com/offers/chemical composition ss400.html Sell Cold Rolled Steel Sheet/Coilhttp://www.ec21.com/offer_detail/Sell_Cold_Rolled_Steel_Sheet--8618232.htmlChemical composition: 1.DC01 C 0.12,Mn 0.6,P 0.045,S 0.045 2.DC03 C 0.10,Mn 0.45,P 0.035,S 0.035 3.DC04 C 0.08,Mn 0.4,P20091226 Sell round barhttp://www.ec21.com/offer_detail/Sell_round_bar--8085556.htmlss400 Chemical composition: C : 0.22% Max Mn : 0.30~`0.65% SI : 0.30% Max P : 0.045 %Max S : 0.045% Max Mechanical Prop20091203