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– , .
. : 9,3. 2-5% Al Si, 10-25% , Fe.
.
, , . - . , , . , , 0,0001 0,0004%. .
| , % |
B | Si | Al | C | S | P | Cu |
| |
20 | 20,0 | 2,0 | 1,8 | 0,05 | 0,01 | 0,015 | 0,05 |
17 | 17,0 | 3,0 | 2,0 | 0,20 | 0,02 | 0,030 | 0,10 |
17 | 17,0 | 4,0 | 2,0 | - | - | - | - |
10 | 10,0 | 7,0-15,0 | 8,0-12,0 | - | - | - | - |
10 | 10,0 | 5,0 | 8,0-10,0 | - | - | - | - |
6 | 6,0 | 12,0 | 6,0-12,0 | - | - | - | - |
6 | 6,0 | 5,0 | 6,0-12,0 | - | - | - | -
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