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GOST 1050-1988
SIZED BARS MADE OF HIGH-QUALITY STRUCTURAL CARBON STEEL WITH A SPECIAL SURFACE FINISH
Material Designation Chemical Composition (%)
08кп
Min
Max
10кп
Min
Max
15кп
Min
Max
08
Min
Max
10
Min
Max
15
Min
Max
25
Min
Max
30
Min
Max
35
Min
Max
40
Min
Max
45
Min
Max
50
Min
Max
55
Min
Max
60
Min
Max
20
Min
Max
08nc
Min
Max
10nc
Min
Max
15nc
Min
Max
20nc
Min
Max
11kn
Min
Max
18kn
Min
Max
20kn
Min
Max
58 (55nn)
Min
Max
For Reference Only