琴钢线S35C S38C S40C S43C
琴钢线QT-H200 QT-180 QT-H155
琴钢线QT-H150 QT-H338 QT-H339
琴钢线35108 40010 45006 45008
琴钢线40CrMn 20CrMnSi 25CrMnSi
琴钢线YOCCr18Ni10 65Mn 55Si2MnB
琴钢线S45C S48C S50C S53C
琴钢线SCM1 SCM2 SCM3
琴钢线SCM4 SCM5 SCM24 S M21
琴钢丝9Cr2 4CrW2Si 5CrW2Si 6CrW2Si
琴钢线4Cr3Mo3SiV 4Cr5MoSiV 3Cr2Mo
琴钢线3Cr2NiMo 4Cr2MoSiV W18Cr4V
琴钢线W18Cr4V2Co8 W12Cr4V5Co5 W6Mo5Cr4V2
琴钢线P40 M10 M20 G05 G10
铜合金HNi65-5 HNi56-3 HPb89-2
铜合金HPb66-0.5 HPb63-3 HPb63-0.1
GCuZn33Pb2 GCuZn40Pb GCuZn35AlFeMn
ZQAlD9-2 ZQAlD9-4-4-2 ZQAlD10-2
ZCuZn38Mn2Pb2 ZCuZn40Mn2 ZCuZn40Mn3Fel
琴钢线20CrNi Y12 Y12Pb Y15
CM205E CM206E CuLi2 CuMg10
CuMg30(A) CuMg30(B) CuMn50 CuNi30
CM209E CM210E CM211E CM390H
CM217E CM218E CM219E