ASTM1566弹簧...

ASTM1566弹簧...

ASTM4130合金...

ASTM4140合金...

ASTM4320合金...

ASTM4340合金...

ASTM5115合金...

ASTM5120合金...

ASTM5130合金...

ASTM5135合金...

ASTM5145合金...

ASTM5140合金...

ASTM5150合金...

ASTM5160弹簧...

　ASTM6150弹...

ASTM8620H轴...

ASTM8620合金...

ASTM9255弹簧...

ASTM9260弹簧...

ASTM51200轴...

ASTM T1高速工...

ASTM T4高速工...

ASTM T5高速工...

11SMnPb30(...

10NiCr5-4(...

11SMn30(1....

15NiCr13(1...

17Cr3(1.70...

18CrMo4(1....

18NiCr5-4(...