达富供应B550L是什么材料B590L宝钢B520JJ汽车板spcc我公司销售多种材料冷拉钢,方钢,圆钢,热作模具钢,冷作模具钢,镜面模具钢,机械用钢,工具钢,结构钢,碳素钢,中碳钢,粉末钢,高速钢,钨钢(硬质合金钢),铬钢,铬钼合金钢,耐热钢,不绣钢,拉力钢,等,弹簧钢,合金工具钢进口铜料如:无氧铜,紫铜,纯铜,三宝红铜,黄铜,青铜,磷铜,铍铜,钨铜,杯士铜,锡青铜,磷铜,锡钨铜,锡锌铜,铍青铜,锆青铜,铝青铜,铬锆铜,硬铜合金不能一一例举其中有部分结构钢牌号如下碳素工具钢:C70W11.1520C80W11.1525C105W11.1545C110W1.1554C125W1.1563C135W1.1573C70W21.1620C80W21.1625C105W21.1645***5W1.1730C60W1.1740C37W1.1744C75W1.1750C55W1.1820C85W1.183冷作合金工具钢:125Cr1/125Cr2/1.200275Cr1/1.2003/85Cr11.2004/140Cr3/140Cr21.2008/90Cr3/1.2056105Cr4/1.2057/145Cr61.2063/102Cr6/1.2067X210Cr12/1.2080/X42Cr131.2083/X33CrS16/1.208562SiMnCr4/1.2101/58SiCr81.2103/90CrSi5/1.2108125CrSi5/1.2109/105MnCr41.2127/200CrMn8/1.212921MnCr5/1.2162/X165CrV121.2201/140CrV1/1.220631CrV3J/1.2208/115CrV31.2210/80CrV2/1.223551CrV4/51cRmNV4/1.224159CrV4/1.2242/61CrSiV51.224338CrSiV61.224845SiCrV61.2249100CrMo51.2303102CrMo61.230529CrMoV91.230740CrMnMo71.231140CrMnMo71.231140CrMnMoS8-61.2312X36CrMo171.2316X64CrMo141.231986CrMoV71.232745CrMoV71.2328X6CrMo4X6CrMo15-51.2341…27CrMoV6-12N1.2353X91CrMoV181.2361X63CrMoV5-11.2362X100CrMoV5-11.236381mOcRv42-161.2369X96CrMoV121.2376X220CrVMo12-21.2378X155CrVMo12-11.237973mOv5-21.2381120W41.2414105WCr61.2419X210CrW121.2436118W81.2442X130W51.2453100MnCrW41.2510120Wv41.2516110WCrV51.251945WCrV71.254260WCrV71.255080WCrV81.2552142WV131.2562X165CrMoV121.260173WCrMoV2-21.2604X50CrMoW9-1-11.263174NiCr2)