... 50A1300, 65A800, 65A1000, 65A1300, 65A1600Standard: ASTM A677M-99Grade: 47F280, 47F400, 47F450, 64F320, ... 1524, ...ASTM A283 Gr.B,Gr.D, ...ASTM A569 Gr. A,B,C, ... ASTM A572 Gr.42, ... 50,60,65, ...DIN 17100 Gr. St37-2, ...DIN 1623-2 Gr ... . St37-2, ...EN 10025 Gr ...