21
( 1) 21
21
1 25
33
20
2) 49
49
3.3 ( 3) 52
3.3.1
52
3.4 20
( 4) 58
3.4.1
58
3.5 ( 5) 63
3.5.1
63
3.6 ( 1 0 ) ( 6) 66
3.6.1
66
3.6.2 68
3.7 72
3.7.1
72
76
78
79
, .
- - , .
, , [1,6].
-111, , .
, - .
111, , . 1980-90 . , , .
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: 02/01-5497.
1.1
( 9758-86) , : 40; 20; 10; 5; 2,5; 1,25; 0,63. 0,63 , 0,63+0 .
1.2
"-45" ( ) "" (- ) (/3): 2,75; 2,75-2,85; 2,85-3,0; 3,0-3,2 3,2. , , .
2
2.1
7() , 1.
1 -
, | -, | ,% | |||||
Mn | Fe | Mn | Fe | ||||
Mn | 100,0 | 40(50)-0 | 22,23 | 5,79 | 22,13 | 2,02 | |
Mn 20 | 111,0 | 20-0 | 22,23 | 5,79 | 22,70 | 2,96 | |
Mn "" | 30,0 | 40(50)-0 | 19,55 | 1,56 | 18,18 | 2,35 |
1
, | -, | ,% | |||||
Mn | Fe | Mn | Fe | ||||
52,0 | 50-20 | 22,71 | 0,94 | ||||
40,0 | 20-0 | 16,21 | 3,08 | 12,99 | 3,06 | ||
( -1+0 ) | 52,0 | 1-0 | 23,87 | 4,35 | 23,94 | 4,47 | |
50,0 | 80-0 | 22,84 | 0,96 |
2.2
, 40 . 2, 3, 4, 5, 6, 7, 8.
2 - Mn ( 1)
, | , % | , % | , % | ||
Mn | Fe | Mn | Fe | ||
40(50)-20 | 50,86 | 20,90 | 1,28 | 48,03 | 32,21 |
20-10 | 18,54 | 22,70 | 1,63 | 19,01 | 17,45 |
10-5 | 11,24 | 23,33 | 3,08 | 11,85 | 17,13 |
5-2,5 | 5,90 | 22,61 | 3,23 | 6,03 | 9,43 |
2,5-1,25 | 1,68 | 24,36 | 3,61 | 1,85 | 3,00 |
1,25-0,63 | 2,24 | 25,41 | 3,96 | 2,57 | 4,38 |
-0,63+0,0 | 9,54 | 24,74 | 3,47 | 10,66 | 16,40 |
100,0 | 22,13 | 2,02 | 100,0 | 100,0 |
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1 22,13% 2,02%, , , ( 2).
, 40(50) -40(50)+20 20,90% 1,28%, 48,03%. .
-40(50)+1,25 , , 88,22% 21,77% 1,81%. -1,25+0,0 11,78% 24,87% 3,56% 13,23% 20,78%.
, , 13-14%.
(1,25-0,0) .
, , -40(50)-20 20,90% 1,28%. 0,63-0,0 - 24,74% 3,47% .
3- Mn 20 ( 2)
, | , % | , % | , % | ||
Mn | Fe | Mn | Fe | ||
20-10 | 27,96 | 21,50 | 3,32 | 26,48 | 31,37 |
10-5 | 23,12 | 23,23 | 2,49 | 23,66 | 19,46 |
5-2,5 | 18,52 | 22,04 | 3,43 | 17,98 | 21,51 |
2,5-1,25 | 6,44 | 24,15 | 2,88 | 6,85 | 6,28 |
1,25-0,63 | 8,65 | 25,07 | 2,80 | 9,55 | 8,19 |
-0,63+0,0 | 15,31 | 22,96 | 2,55 | 15,48 | 13,19 |
100,0 | 22,70 | 2,96 | 100,0 | 100,0 |
2 20 22,70% 2,96%. , , ( 3).
, 20-1,25 76,04% 74,97% 78,62%. , 1,25+0,0 23,96% 25,03%, .
.
20 , , 2,5-0,63 , 2-3% , .
4 - Mn " " ( 3)
, | , % | ,% | ,% | ||
Mn | Fe | Mn | Fe | ||
60-40 | 14,78 | 14,81 | 0,6 | 12,03 | 3,81 |
40-20 | 22,56 | 15,75 | 1,68 | 19,54 | 16,13 |
20-10 | 16,96 | 17,24 | 1,51 | 16,08 | 10,95 |
10-5 | 15,26 | 16,85 | 2,55 | 14,14 | 16,58 |
5-2,5 | 12,60 | 22,05 | 4,48 | 15,28 | 24,08 |
2,5-1,25 | 4,85 | 25,00 | 4,15 | 6,67 | 8,59 |
1,25-0,63 | 4,87 | 27,55 | 3,96 | 7,38 | 8,21 |
-0,63+0,0 | 8,12 | 19,89 | 3,37 | 8,88 | 11,65 |
100,0 | 18,18 | 2,35 | 100,0 | 100,0 |
, "" ( 3).
18,18% 2,35%. ( 4).
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50 , -50-1,25 87,01% 17,5% 2,16% 83,74%, 80,14%.
, 1,25-0,0 12,99% 22,76% 3,59%, 16,26% 19,86%.
: 5-2,5 22,05% 4,48%; 2,5-1,25 25,0% 4,15% 1,25-0,63 27,55% 3,96%.
, 20 ( 4).
5 - 20 ( 4)
, | , % | , % | , % | ||
Mn | Fe | Mn | Fe | ||
20-10 | 44,90 | 25,56 | 0,95 | 50,54 | 45,27 |
10-5 | 23,72 | 20,98 | 0,90 | 21,91 | 22,65 |
5-2,5 | 13,58 | 19,99 | 0,89 | 11,95 | 12,82 |
2,5-1,25 | 4,56 | 21,58 | 1,05 | 4,33 | 5,07 |
1,25-0,63 | 4,99 | 20,43 | 1,03 | 4,49 | 5,45 |
-0,63+0,0 | 8,25 | 18,67 | 1,00 | 6,78 | 8,74 |
100,0 | 22,71 | 0,94 | 100,0 | 100,0 |
70-20 . 20 5.
: 22,71% 0,94%.
( 5) , 1,25 , , 86,76% 23,23% 0,93% 85,81% .
-20+10 25,56% 50,54%. 2-3% , . .
( -1,25 -0,0 ) 13,24% , 19,33% 1,01% 11,27%.
, -20+1 , ( 5).
6.
6 - ( 5)
, | , % | , % | , % | ||
Mn | Fe | Mn | Fe | ||
20-10 | 40,67 | 14,34 | 3,01 | 44,87 | 39,96 |
10-5 | 32,06 | 12,90 | 3,60 | 31,83 | 37,66 |
5-2,5 | 20,86 | 11,87 | 2,71 | 19,06 | 18,41 |
2,5-1,25 | 4,33 | 7,44 | 1,68 | 2,47 | 2,39 |
1,25-0,63 | 1,46 | 11,24 | 2,37 | 1,25 | 1,14 |
-0,63+0,0 | 0,62 | 11,15 | 2,15 | 0,52 | 0,44 |
100,0 | 12,99 | 3,06 | 100,0 | 100,0 |
, : 12,99% 3,06% ( 5).
.
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( -20+1 ), 6 , -1,25+0 2,08% . .
-20+1 , . , 20-10 10-5 40,67% 32,06% . .
-1+0 (), , -1,0+0 ( 6).
7.
7 - ( 6)
, | , % | , % | , % | ||
Mn | Fe | Mn | Fe | ||
-2,5 | 0,80 | 18,08 | 2,55 | 0,60 | 0,45 |
2,5-1,6 | 2,68 | 21,38 | 3,94 | 2,39 | 2,35 |
1,6-1,0 | 8,35 | 21,64 | 4,21 | 7,54 | 7,85 |
1,0-0,63 | 9,61 | 22,30 | 4,26 | 8,94 | 9,15 |
0,63-0,315 | 19,80 | 25,17 | 4,70 | 20,80 | 20,80 |
0,315-0,10 | 20,88 | 31,38 | 5,20 | 27,35 | 24,28 |
0,1-0,063 | 2,28 | 36,72 | 5,40 | 3,50 | 2,74 |
-0,063-0,0 | 35,60 | 19,44 | 4,07 | 28,88 | 32,38 |
100,0 | 23,94 | 4,47 | 100,0 | 100,0 |
, : 23,94% 4,47% ( 6).
1,0 , 11,83% 21,34% 4,04%, 10,53% . , , 1 , 1 . , , .
, . , 1-0,63 -22,30% 36,72% 0,1-0,063 , 4,26% 5,4%. (-0,063-0,0 ) () 4% 19,44%, .
, 30-36%.
0,063+0 , , 35,6% , 19,44% 4,07%. , 1+0,063 27,61% 52,57% 4,85%. .
( 7). 80-20 . , : 22,84% 0,96%, .. .
40 8.
8 - Mn ( 7)
, | , % | , % | , % | ||
Mn | Fe | Mn | Fe | ||
40-20 | 69,78 | 23,61 | 0,97 | 72,13 | 70,39 |
20-10 | 15,40 | 21,26 | 0,90 | 14,34 | 14,46 |
10-5 | 6,73 | 21,10 | 0,82 | 6,22 | 5,73 |
5-2,5 | 3,47 | 20,05 | 1,00 | 3,04 | 3,57 |
2,5-1,25 | 2,19 | 20,95 | 1,36 | 2,0 | 3,10 |
1,25-0,63 | 0,91 | 21,60 | 1,25 | 0,86 | 1,17 |
-0,63-0,0 | 1,52 | 21,24 | 1,00 | 1,41 | 1,58 |
100,0 | 22,84 | 0,96 | 100,0 | 100,0 |
, 40 40-20 , 23,61% 0,97%, 72,13% 70,39% . (-1,25+0,0 ) 2,43%.
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