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15CrMo GB6479-200-2000 89＊4.5-6-8-9-10-10
15CrMo GB6479-200-2000 108＊4.5-6-8-9-10-10-12
15CrMo GB6479-200-2000 159＊6-8-9-10-10-12
15CrMo GB6479-200-2000 219＊8-9-10-10-1-12-14
15CrMo GB6479-200-2000 273＊8-9-10-11-12-14-15- 16-20-28
15CrMo GB6479-200-2000 325＊8-9-10-11-12-14-15-16-20-25
15CrMo GB6479-200-2000 377＊10-11-12-14-15-16-20-25
15CrMo GB6479-200-2000 426＊10-11-12-14-15- 16-20-25
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