DIN 1.6587 | 17CrNiMo6 |18CrNiMo7-6 Case hardening steel, Engineering steel admin2018-12-19T15:36:23+08:00
AISI 8620 | 1.6523 | 20NiCrMo2-2 | SNCM220 Case hardening steel, Engineering steel admin2024-03-14T13:55:40+08:00