优质碳素工具钢T8ASK6W1—7—C80W1Y170Y8AT9ASK5W1—8BW1AC80W1Y180Y9AT10ASK4W1—9BW1A—Y190Y10AT11ASK3W1—10BW1BC105W1Y1105Y11AT12ASK2W1—11.5BW1C—Y2120Y12A低合金9Mn2V—O2B0290MnCrV890MV89г2φ9CrWMnSKS3O1B01100MnCrW490MCW59XBг工具钢(冷作)CrWMnSKS31——100WCr6100WC13XBгMnCrWV？SKS3O1BO195MnCrW190MCW59XBгCr2？SUJ2C3BL3100Cr6Y100C6X2CrWSKS2O7BO7105WCrV7105WC13XB轴承钢GCr9SUJ1E51100535A99105Cr4100C5шх9该公司其它信息