CDA740白铜合金C7701 镍带:200 201 212??CUZN10 CUZN15 CUZN20 CUZN30 CUZN33 CUZN36 CUZN37 CUZN38PB2 CUZN36PB2 CUZN39PB3 CUZN40PB2 CUZN25SN1 CUZN20AL2 C22000 C23000 C24000 C26000 C27000 C27200灰铸铁:HT100 HT150 HT200 HT250 HT200 HT350 TTH300-06 TTH300-08 KTB350-04 KTB400-05 球墨铸铁QT400-18 QT400-15 QT900-2轧辊钢:9Cr2Mo 9Cr2MoV 718 P20不锈钢