Square Steel Bars

Square Steel Bars, GOST 2591-88

12, 14, 16, 22, 25, 28, 30, 32,
35, 38, 40, 42, 45, 50, 55, 60

St0, St1, St2,
  St3, St4, St5, St6

GOST 380-94

GOST 535-88
categories 1-5, group I-III

GOST 1050-88,
group of quality
surface 2GP, 3GP;

GOST 4543-71,
group of quality
surface 2, 3

10-50

GOST 1050-88

35HGSА, 15H-40H, 40HN, 45HN, 30HGSА

GOST 4543-71

St37-2, St44-2