材质：20#  45#   16Mn  
20G  15CrMO  12Cr1MoV 10CrMo910 T91

25*1-6              32-1-8              38*2-10             42*2-10          48*2-10         50*2-10

57*2-4-12          73*2-14              76*2-14            89*2-14           95*2-16         102*3-18

108*3-20           114*3-20             127*3-24           133*3-24         146*3.5-26        152*4-26

159*4-26           168*4-26             180*4-30           219*4-40          273*6-45          299*6-50

325*6-50           377*6-50             402*8-60           426*8-60          480*8-60          500*8-60                       

530*10-60         580*14-60            600*14-60          630*14-60      680*16-60(极搜网)