Reinforcement

Table: steel grades used for manufacture of reinforcement of various classes (GOST 5781-82):

Class Diameter, mm Steel grade
A-I 6 – 40 Ст3кп; Ст3пс; Ст3сп
A-II 10 – 40 Ст5сп; Ст5пс
40 – 80 18Г2С
Ac-II 10 – 32, (36 – 40) 10ГТ
A-III 6 – 40 35ГС; 25Г2С
6 – 22 32Г2Рпс
A-IV 10 – 18, (6 – 8) 80С
10 – 32, (36 – 40) 20ХГ2Ц
A-V 10 – 32, (6 – 8) 23Ч2Г2Т
(36 – 40)
A-VI 10 – 22 22Х2Г2АЮ; 22Х2Г2Р; 22Х2Г2СР