Ст 15Х, 20Х, 30Х, 35Х, 40Х, 45Х, 50Х, 15ХА - 38ХА
Ст 15Х, 20Х, 30Х, 35Х, 40Х, 45Х, 50Х, 15ХА - 38ХА ГОСТ 4543-71, ст. 45Х1, 45Х3 ГОСТ В 10230-75 круг Г/К 5, 6, 7, 8, 9, 10, 11, 12, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 30, 32, 33, 34, ...