... skype:joywang7595 EN31,SAE52100 GCR15 forged 52100 bearing steel round bar dia:25-750mm 25-200 hot rolled210 ... -84 class cc passedwe also supply:Carbon steel:C45,C50,tool steel:1.2311,1.2738,D2,D3,D5, ... O1,1.2316,S136,NAK80,SKD11,1.2083alloy steel:4140,5140,4340 DongGuan YunXin Trading Co.,Ltdjoy wangskype:joywang7595E: joyce (at) yunxinsteel ... will reply soon forged large dia 52100 Bearing Steel Bar