Chemical Composition of Steel manufactured by the Open Stock Company ILYICH IRON & STEEL WORKS OF MARIUPOL |
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Standart of British |
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| Steel grades | C | Mn | Si | S | P | Al | V | Nb | Ti | Cr | Ni | Cu | Mo | N2 | Cэкв
| | BS4360 | 43 A | ≤ 0,25 | ≤ 1,60 | ≤ 0,50 | ≤ 0,050 | ≤ 0,050 | | | | | | | | | |
| | 43 B | ≤ 0,21 | ≤ 1,50
| | 43 C | ≤ 0,18 | ≤ 0,040 | ≤ 0,040 | ≤ 0,41
| | 43 D | ≤ 0,16 | 0,003 - 0,010 | 0,003 - 0,010
| | 50 A | ≤ 0,23 | ≤ 1,60 | ≤ 0,50 | ≤ 0,050 | ≤ 0,050 | 0,003 - 0,010 | 0,003 - 0,010 |
| | 50 B | ≤ 0,20 | ≤ 1,50
| | 50 C | ≤ 0,20 | ≤ 0,040 | ≤ 0,040 | ≤ 16мм
≤ 0,045
≤ 16мм
≤ 0,047
| | 50 D | ≤ 0,18 | ≤ 0,43
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British Standards 
