GCr15 -GCr15 -GCr15 !!!!!!!!!!!!!!!!GCr15是一种最常用的高碳铬轴承钢,具有较高的淬透性,热处理后可获得高而均匀的硬度。耐磨性优于GCr9,接触疲劳强度高,有良好的尺寸稳定性和抗蚀性,冷变形塑性中等,切削性一般,焊接性差,对白点形成敏感,有第一类回火脆性。 在滚珠轴承制造中,用以轧制壁厚12mm.外径<250mm的H级至C级的轴承套,直径25.4-50.8mm的钢球;直径<22mm的滚子,此外也可用作承受大负荷.要求高耐磨性.高弹性极限.高接触疲劳强度的其他机械零件及各种精密量具冷冲模等。如机床的滚珠丝杆,涡轮喷气发动机喷嘴的喷口.柱塞.活门.衬套等。!!相应材质提供:SKH-9!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! SKH-55 !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!SKH-59 !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!SKH-51 !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!ASP-23 !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!ASP-30!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! ASP-60!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! CPM-10V等 !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!冷扎钢DC07、DC06、DC05!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!、DC04、DC03、!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!DC01 SPCC、!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!SPCD、SPCE、!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!SPCF、SPCG等优特金属材料///欢迎来电洽谈```````9123`````72