(1)尺寸规格见表6-110.
表6-11O流体输送用不锈钢焊接钢管的尺寸规格
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壁厚
外径 |
0.3 |
0.4 |
O.5 |
O.6 |
O.8 |
1.0 |
1.2 |
1.4 |
1.5 |
1.8 |
2.O |
2.2 |
2.5 |
2.8 |
3.0 |
3.2 |
3.5 |
3.6 |
4.O |
4.2 |
4.6 |
4.8 |
5.0 |
5.5 |
6.O |
8.O |
10 |
12 |
14 | |
|
6 |
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× |
× |
× |
× |
× |
× |
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7 |
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× |
× |
× |
× |
× |
× |
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8 |
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× |
× |
× |
× |
× |
× |
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9 |
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× |
× |
× |
× |
× |
× |
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lO |
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× |
× |
× |
× |
× |
× |
× |
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11 |
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× |
× |
× |
× |
× |
× |
× |
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12 |
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× |
× |
× |
× |
× |
× |
× |
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(12.7) |
× |
× |
× |
× |
× |
× |
× |
× |
× |
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13 |
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× |
× |
× |
× |
× |
× |
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14 |
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× |
× |
× |
× |
× |
× |
× |
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15 |
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× |
× |
× |
× |
× |
× |
× |
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16 |
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× |
× |
× |
× |
× |
× |
× |
⊕ |
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壁厚
外径 |
O.3 |
0.4 |
0.5 |
O.6 |
0.8 |
1.0 |
1.2 |
1.4 |
1.5 |
1.8 |
2.O |
2.2 |
2.5 |
2.8 |
3.O |
3.2 |
3.5 |
3.6 |
4.O |
4.2 |
4.6 |
4.8 |
5.O |
5.5 |
6.O |
8.0 |
10 |
12 |
14 | |
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17 |
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× |
× |
X |
× |
× |
× |
× |
⊕ |
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18 |
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× |
× |
× |
× |
× |
× |
× |
⊕ |
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19 |
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× |
× |
× |
× |
× |
× |
× |
⊕ |
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20 |
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× |
× |
× |
× |
× |
× |
× |
⊕ |
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2l |
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× |
× |
× |
× |
× |
× |
⊕ |
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22 |
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× |
× |
× |
× |
× |
× |
⊕ |
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24 |
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× |
× |
× |
× |
× |
× |
⊕ |
⊕ |
⊕ |
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25 |
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× |
× |
× |
× |
× |
× |
⊕ |
⊕ |
⊕ |
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(25.4) |
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× |
× |
× |
× |
× |
× |
⊕ |
⊕ |
⊕ |
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26 |
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× |
× |
× |
× |
× |
⊕ |
⊕ |
⊕ |
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28 |
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× |
× |
× |
× |
× |
⊕ |
⊕ |
⊕ |
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30 |
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× |
× |
× |
X |
X |
⊕ |
⊕ |
⊕ |
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壁厚
外径 |
O.3 |
O.4 |
0.5 |
O.6 |
O.8 |
1.0 |
1.2 |
1.4 |
1.5 |
1.8 |
2.O |
2.2 |
2.5 |
2.8 |
3.0 |
3.2 |
3.5 |
3.6 |
4.O |
4.2 |
4.6 |
4.8 |
5.O |
5.5 |
6.O |
8.O |
10 |
12 |
14 | |
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(31.8) |
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× |
× |
× |
× |
× |
⊕ |
⊕ |
⊕ |
⊕ |
⊕ |
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32 |
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× |
× |
X |
X |
X |
⊕ |
⊕ |
⊕ |
⊕ |
⊕ |
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36 |
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× |
× |
× |
X |
× |
⊕ |
⊕ |
⊕ |
⊕ |
⊕ |
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(38.1) |
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× |
× |
× |
× |
× |
⊕ |
⊕ |
⊕ |
⊕ |
⊕ |
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40 |
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× |
× |
× |
× |
× |
⊕ |
⊕ |
⊕ |
⊕ |
⊕ |
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45 |
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× |
× |
× |
× |
× |
⊕ |
⊕ |
⊕ |
⊕ |
⊕ |
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50 |
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× |
× |
× |
× |
× |
⊕ |
⊕ |
⊕ |
⊕ |
⊕ |
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(50.8) |
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× |
× |
× |
× |
× |
⊕ |
⊕ |
⊕ |
⊕ |
⊕ |
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56 |
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× |
× |
× |
× |
× |
⊕ |
⊕ |
⊕ |
⊕ |
⊕ |
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(57.1) |
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× |
× |
× |
× |
× |
⊕ |
⊕ |
⊕ |
⊕ |
⊕ |
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(60.3) |
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× |
× |
× |
× |
× |
⊕ |
⊕ |
⊕ |
⊕ |
⊕ |
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63 |
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× |
× |
× |
× |
⊕ |
⊕ |
⊕ |
⊕ |
⊕ |
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壁厚
外径 |
O.3 |
0.4 |
0.5 |
0.6 |
0.8 |
1.0 |
1.2 |
1.4 |
1.5 |
1.8 |
2.O |
2.2 |
2.5 |
2.8 |
3.0 |
3.2 |
3.5 |
3.6 |
4.0 |
4.2 |
4.6 |
4.8 |
5.0 |
5.5 |
6.O |
8.O |
10 |
12 |
14 | |
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71 |
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× |
× |
× |
⊕ |
⊕ |
⊕ |
⊕ |
⊕ |
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(76.2) |
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× |
X |
× |
⊕ |
⊕ |
⊕ |
⊕ |
⊕ |
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80 |
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× |
× |
⊕ |
⊕ |
⊕ |
⊕ |
⊕ |
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90 |
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× |
× |
⊕ |
⊕ |
⊕ |
⊕ |
⊕ |
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100 |
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× |
× |
⊕ |
⊕ |
⊕ |
⊕ |
⊕ |
⊕ |
⊕ |
⊕ |
⊕ |
Ο |
Ο |
Ο |
Ο |
Ο |
Ο |
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110 |
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× |
⊕ |
⊕ |
⊕ |
⊕ |
⊕ |
⊕ |
⊕ |
⊕ |
⊕ |
Ο |
Ο |
Ο |
Ο |
Ο |
Ο |
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125 |
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⊕ |
⊕ |
⊕ |
⊕ |
⊕ |
⊕ |
⊕ |
⊕ |
⊕ |
Ο |
Ο |
Ο |
Ο |
Ο |
Ο |
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(140) |
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⊕ |
⊕ |
⊕ |
⊕ |
⊕ |
⊕ |
⊕ |
⊕ |
⊕ |
Ο |
Ο |
Ο |
Ο |
Ο |
Ο |
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160 |
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⊕ |
⊕ |
⊕ |
⊕ |
⊕ |
⊕ |
⊕ |
⊕ |
Ο |
Ο |
Ο |
Ο |
Ο |
Ο |
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l80 |
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⊕ |
⊕ |
⊕ |
⊕ |
⊕ |
⊕ |
⊕ |
Ο |
Ο |
Ο |
Ο |
Ο |
Ο |
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200 |
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⊕ |
⊕ |
⊕ |
⊕ |
⊕ |
⊕ |
⊕ |
Ο |
Ο |
Ο |
Ο |
Ο |
Ο |
Ο |
Ο |
Ο |
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|
壁厚
外径 |
0.3 |
0.4 |
0.5 |
O.6 |
O.8 |
1.0 |
1.2 |
1.4 |
1.5 |
1.8 |
2.O |
2.2 |
2.5 |
2.8 |
3.O |
3.2 |
3.5 |
3.6 |
4.O |
4.2 |
4.6 |
4.8 |
5.O |
5.5 |
6.O |
8.0 |
10 |
12 |
14 | |
|
220 |
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⊕ |
⊕ |
⊕ |
⊕ |
⊕ |
⊕ |
⊕ |
Ο |
Ο |
Ο |
Ο |
Ο |
Ο |
Ο |
Ο |
Ο |
| |
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250 |
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⊕ |
⊕ |
⊕ |
⊕ |
Ο |
Ο |
Ο |
Ο |
Ο |
Ο |
Ο |
Ο |
Ο |
| |
|
280 |
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⊕ |
⊕ |
⊕ |
⊕ |
Ο |
Ο |
Ο |
Ο |
Ο |
Ο |
Ο |
Ο |
Ο |
Ο | |
|
320 |
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⊕ |
⊕ |
⊕ |
⊕ |
Ο |
Ο |
Ο |
Ο |
Ο |
Ο |
Ο |
Ο |
Ο |
Ο | |
|
360 |
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Ο |
Ο |
Ο |
Ο |
Ο | |
|
400 |
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Ο |
Ο |
Ο |
Ο |
Ο | |
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450 |
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Ο |
Ο |
Ο |
Ο |
Ο | |
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500 |
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Ο |
Ο |
Ο |
Ο |
Ο | |
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560 |
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Ο |
Ο |
Ο |
Ο |
Ο | |
|
壁厚
外径 |
0.3 |
0.4 |
0.5 |
O.6 |
O.8 |
1.0 |
1.2 |
1.4 |
1.5 |
1.8 |
2.O |
2.2 |
2.5 |
2.8 |
3.O |
3.2 |
3.5 |
3.6 |
4.O |
4.2 |
4.6 |
4.8 |
5.O |
5.5 |
6.O |
8.0 |
10 |
12 |
14 | |
|
220 |
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⊕ |
⊕ |
⊕ |
⊕ |
⊕ |
⊕ |
⊕ |
Ο |
Ο |
Ο |
Ο |
Ο |
Ο |
Ο |
Ο |
Ο |
| |
|
250 |
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⊕ |
⊕ |
⊕ |
⊕ |
Ο |
Ο |
Ο |
Ο |
Ο |
Ο |
Ο |
Ο |
Ο |
| |
|
280 |
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⊕ |
⊕ |
⊕ |
⊕ |
Ο |
Ο |
Ο |
Ο |
Ο |
Ο |
Ο |
Ο |
Ο |
Ο | |
|
320 |
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⊕ |
⊕ |
⊕ |
⊕ |
Ο |
Ο |
Ο |
Ο |
Ο |
Ο |
Ο |
Ο |
Ο |
Ο | |
|
360 |
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Ο |
Ο |
Ο |
Ο |
Ο | |
|
400 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Ο |
Ο |
Ο |
Ο |
Ο | |
|
450 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Ο |
Ο |
Ο |
Ο |
Ο | |
|
500 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Ο |
Ο |
Ο |
Ο |
Ο | |
|
560 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Ο |
Ο |
Ο |
Ο |
Ο | |
|
壁厚
外径 |
0.3 |
0.4 |
0.5 |
O.6 |
O.8 |
1.0 |
1.2 |
1.4 |
1.5 |
1.8 |
2.O |
2.2 |
2.5 |
2.8 |
3.O |
3.2 |
3.5 |
3.6 |
4.O |
4.2 |
4.6 |
4.8 |
5.O |
5.5 |
6.O |
8.0 |
10 |
12 |
14 | |
|
220 |
|
|
|
|
|
|
|
|
|
|
|
|
⊕ |
⊕ |
⊕ |
⊕ |
⊕ |
⊕ |
⊕ |
Ο |
Ο |
Ο |
Ο |
Ο |
Ο |
Ο |
Ο |
Ο |
| |
|
250 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
⊕ |
⊕ |
⊕ |
⊕ |
Ο |
Ο |
Ο |
Ο |
Ο |
Ο |
Ο |
Ο |
Ο |
| |
|
280 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
⊕ |
⊕ |
⊕ |
⊕ |
Ο |
Ο |
Ο |
Ο |
Ο |
Ο |
Ο |
Ο |
Ο |
Ο | |
|
320 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
⊕ |
⊕ |
⊕ |
⊕ |
Ο |
Ο |
Ο |
Ο |
Ο |
Ο |
Ο |
Ο |
Ο |
Ο | |
|
360 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Ο |
Ο |
Ο |
Ο |
Ο | |
|
400 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Ο |
Ο |
Ο |
Ο |
Ο | |
|
450 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Ο |
Ο |
Ο |
Ο |
Ο | |
|
500 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Ο |
Ο |
Ο |
Ο |
Ο | |
|
560 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Ο |
Ο |
Ο |
Ο |
Ο | |
|
壁厚
外径 |
0.3 |
0.4 |
0.5 |
O.6 |
O.8 |
1.0 |
1.2 |
1.4 |
1.5 |
1.8 |
2.O |
2.2 |
2.5 |
2.8 |
3.O |
3.2 |
3.5 |
3.6 |
4.O |
4.2 |
4.6 |
4.8 |
5.O |
5.5 |
6.O |
8.0 |
10 |
12 |
14 |
| |||||||||||||||||||||||
|
220 |
|
|
|
|
|
|
|
|
|
|
|
|
⊕ |
⊕ |
⊕ |
⊕ |
⊕ |
⊕ |
⊕ |
Ο |
Ο |
Ο |
Ο |
Ο |
Ο |
Ο |
Ο |
Ο |
| ||||||||||||||||||||||||
|
250 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
⊕ |
⊕ |
⊕ |
⊕ |
Ο |
Ο |
Ο |
Ο |
Ο |
Ο |
Ο |
Ο |
Ο |
| ||||||||||||||||||||||||
|
280 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
⊕ |
⊕ |
⊕ |
⊕ |
Ο |
Ο |
Ο |
Ο |
Ο |
Ο |
Ο |
Ο |
Ο |
Ο | ||||||||||||||||||||||||
|
320 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
⊕ |
⊕ |
⊕ |
⊕ |
Ο |
Ο |
Ο |
Ο |
Ο |
Ο |
Ο |
Ο |
Ο |
Ο | ||||||||||||||||||||||||
|
360 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Ο |
Ο |
Ο |
Ο |
Ο | ||||||||||||||||||||||||
|
400 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Ο |
Ο |
Ο |
Ο |
Ο | ||||||||||||||||||||||||
|
450 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Ο |
Ο |
Ο |
Ο |
Ο | ||||||||||||||||||||||||
|
500 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Ο |
Ο |
Ο |
Ο |
Ο | ||||||||||||||||||||||||
|
560 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Ο |
Ο |
Ο |
Ο |
Ο | ||||||||||||||||||||||||
|
壁厚
外径 |
0.3 |
0.4 |
0.5 |
O.6 |
O.8 |
1.0 |
1.2 |
1.4 |
1.5 |
1.8 |
2.O |
2.2 |
2.5 |
2.8 |
3.O |
3.2 |
3.5 |
3.6 |
4.O |
4.2 |
4.6 |
4.8 |
5.O |
5.5 |
6.O |
8.0 |
10 |
12 |
14 | ||||||||||||||||||||||||
|
220 |
|
|
|
|
|
|
|
|
|
|
|
|
⊕ |
⊕ |
⊕ |
⊕ |
⊕ |
⊕ |
⊕ |
Ο |
Ο |
Ο |
Ο |
Ο |
Ο |
Ο |
Ο |
Ο |
| ||||||||||||||||||||||||
|
250 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
⊕ |
⊕ |
⊕ |
⊕ |
Ο |
Ο |
Ο |
Ο |
Ο |
Ο |
Ο |
Ο |
Ο |
| ||||||||||||||||||||||||
|
280 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
⊕ |
⊕ |
⊕ |
⊕ |
Ο |
Ο |
Ο |
Ο |
Ο |
Ο |
Ο |
Ο |
Ο |
Ο | ||||||||||||||||||||||||
|
320 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
⊕ |
⊕ |
⊕ |
⊕ |
Ο |
Ο |
Ο |
Ο |
Ο |
Ο |
Ο |
Ο |
Ο |
Ο | ||||||||||||||||||||||||
|
360 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Ο |
Ο |
Ο |
Ο |
Ο | ||||||||||||||||||||||||
|
400 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Ο |
Ο |
Ο |
Ο |
Ο | ||||||||||||||||||||||||
|
450 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Ο |
Ο |
Ο |
Ο |
Ο | ||||||||||||||||||||||||
|
500 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Ο |
Ο |
Ο |
Ο |
Ο | ||||||||||||||||||||||||
|
560 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Ο |
Ο |
Ο |
Ο |
Ο | ||||||||||||||||||||||||
|
壁厚
外径 |
0.3 |
0.4 |
0.5 |
O.6 |
O.8 |
1.0 |
1.2 |
1.4 |
1.5 |
1.8 |
2.O |
2.2 |
2.5 |
2.8 |
3.O |
3.2 |
3.5 |
3.6 |
4.O |
4.2 |
4.6 |
4.8 |
5.O |
5.5 |
6.O |
8.0 |
10 |
12 |
14 |
| |||||||||||||||||||||||||||||
|
220 |
|
|
|
|
|
|
|
|
|
|
|
|
⊕ |
⊕ |
⊕ |
⊕ |
⊕ |
⊕ |
⊕ |
Ο |
Ο |
Ο |
Ο |
Ο |
Ο |
Ο |
Ο |
Ο |
| ||||||||||||||||||||||||||||||
|
250 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
⊕ |
⊕ |
⊕ |
⊕ |
Ο |
Ο |
Ο |
Ο |
Ο |
Ο |
Ο |
Ο |
Ο |
| |||||||||||||||||||||||||||||
|
280 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
⊕ |
⊕ |
⊕ |
⊕ |
Ο |
Ο |
Ο |
Ο |
Ο |
Ο |
Ο |
Ο |
Ο |
Ο | |||||||||||||||||||||||||||||
|
320 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
⊕ |
⊕ |
⊕ |
⊕ |
Ο |
Ο |
Ο |
Ο |
Ο |
Ο |
Ο |
Ο |
Ο |
Ο | |||||||||||||||||||||||||||||
|
360 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Ο |
Ο |
Ο |
Ο |
Ο | |||||||||||||||||||||||||||||
|
400 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Ο |
Ο |
Ο |
Ο |
Ο | |||||||||||||||||||||||||||||
|
450 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Ο |
Ο |
Ο |
Ο |
Ο | |||||||||||||||||||||||||||||
|
500 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Ο |
Ο |
Ο |
Ο |
Ο | |||||||||||||||||||||||||||||
|
560 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Ο |
Ο |
Ο |
Ο |
Ο | |||||||||||||||||||||||||||||
|
壁厚
外径 |
0.3 |
0.4 |
0.5 |
O.6 |
O.8 |
1.0 |
1.2 |
1.4 |
1.5 |
1.8 |
2.O |
2.2 |
2.5 |
2.8 |
3.O |
3.2 |
3.5 |
3.6 |
4.O |
4.2 |
4.6 |
4.8 |
5.O |
5.5 |
6.O |
8.0 |
10 |
12 |
14 | |
|
220 |
|
|
|
|
|
|
|
|
|
|
|
|
⊕ |
⊕ |
⊕ |
⊕ |
⊕ |
⊕ |
⊕ |
Ο |
Ο |
Ο |
Ο |
Ο |
Ο |
Ο |
Ο |
Ο |
| |
|
250 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
⊕ |
⊕ |
⊕ |
⊕ |
Ο |
Ο |
Ο |
Ο |
Ο |
Ο |
Ο |
Ο |
Ο |
| |
|
280 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
⊕ |
⊕ |
⊕ |
⊕ |
Ο |
Ο |
Ο |
Ο |
Ο |
Ο |
Ο |
Ο |
Ο |
Ο | |
|
320 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
⊕ |
⊕ |
⊕ |
⊕ |
Ο |
Ο |
Ο |
Ο |
Ο |
Ο |
Ο |
Ο |
Ο |
Ο | |
|
360 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Ο |
Ο |
Ο |
Ο |
Ο | |
|
400 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Ο |
Ο |
Ο |
Ο |
Ο | |
|
450 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Ο |
Ο |
Ο |
Ο |
Ο | |
|
500 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Ο |
Ο |
Ο |
Ο |
Ο | |
|
560 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Ο |
Ο |
Ο |
Ο |
Ο | |
注:1.( )——不推荐使用;×——采用冷轧板(带)制造;Ο——采用热轧板(带)制造;⊕——采用冷轧板(带)或热轧板(带)制造。
2.钢管通常长度为2—8m。
(2)允许偏差见表6一111。
表6-111流体输送用不锈钢焊接钢管的尺寸偏差 (mm)
|
外
径
允
许
偏
差 |
类 别 |
外 径 |
允许偏差 | |||
|
普通级 |
较高级 | |||||
|
焊接状态 |
<20 |
±O.30 |
±O.20 | |||
|
≥20~<50 |
士O.50 |
±O.40 | ||||
|
≥50 |
±l% |
士O.8% | ||||
|
热处理状态 |
<13 |
±O.25 |
±0.20 | |||
|
≥13~<25 |
±O.40 |
±0.30 | ||||
|
≥25~<40 |
±0.60 |
±O.40 | ||||
|
≥40~<65 |
±0.80 |
±0.60 | ||||
|
≥65~<90 |
±1.00 |
±O.80 | ||||
|
≥90~<140 |
±1.20 |
±1.00 | ||||
|
≥140 |
按协议 |
按协议 | ||||
|
冷拔(轧)状态磨抛光状态 |
<25 |
±O.12 |
±O.10 | |||
|
≥25~<40 |
±O.15 |
±O.12 | ||||
|
≥40~<50 |
±O.18 |
±0.15 | ||||
|
≥50~<60 |
±0.20 |
±O.18 | ||||
|
≥60~<70 |
±O.23 |
±O.20 | ||||
|
≥70~<80 |
±O.25 |
±O.23 | ||||
|
≥80~<90 |
±O.30 |
±O.25 | ||||
|
≥90~<100 |
±O.40 |
±O.30 | ||||
|
≥100 |
±0.50% |
±O.40% | ||||
|
壁厚允许偏差 |
钢板(带)料状态 |
壁厚 |
壁厚允许偏差 | |||
|
热轧钢板(带)或热轧纵剪钢带 |
<4 |
+0.5
-0.6 | ||||
|
≥4 |
+12.5~-15% | |||||
|
冷轧钢板(带)或冷轧纵剪钢带 |
≤O.5 |
±0.10 | ||||
|
>O.5~1 |
±O.15 | |||||
|
>1~2 |
±0.20 | |||||
|
>2 |
±10% | |||||
(3)牌号和化学成分见表6-112。
]
表6—112流体输送用不锈钢焊接钢管的牌号和化学成分
|
牌 号 |
化学成分(质量分数)(%) | |||||||
|
C |
Si |
№ |
P |
S |
Ni |
Cr |
其 他 | |
|
1Crl8Ni9 |
≤O.15 |
≤1.oo |
≤2.00 |
≤O.035 |
≤O.030 |
8.00~10.00 |
17.00~19.00 |
|
|
OCrl9Ni9 |
≤O.08 |
≤1.00 |
≤2.00 |
≤0.035 |
≤0.030 |
8.00~10.50 |
18.00~20.00 |
|
|
OCrl9Nill |
≤O.030 |
≤1.00 |
≤2.00 |
≤0.035 |
≤O.030 |
9.00~13.00 |
18.00~20.00 |
|
|
OCr25Ni20 |
≤O.08 |
≤1.50 |
≤2.00 |
≤O.035 |
≤0.030 |
19.00~22.00 |
24.00~26.00 |
|
|
OCrl7Ni12M02 |
≤O.08 |
≤1.00 |
≤2.00 |
≤O.035 |
≤O.030 |
10.00~14.00 |
16.00~18.00 |
M0:2.00~3.00 |
|
00Crl7Nil4M02 |
≤O.030 |
≤1.00 |
≤2.00 |
≤0.035 |
≤O.030 |
12.00~15.00 |
16.00~18.00 |
Mo:2.00~3.00 |
|
OCrl8Ni11Ti |
≤0.08 |
≤1.00 |
≤2.00 |
≤O.035 |
≤O.030 |
9.00~13.00 |
17.00~19.00 |
Ti:≥5×C% |
|
(1Cr18Ni9Ti) |
≤0.12 |
≤1.oo |
≤2.00 |
≤O.035 |
≤O.030 |
8.00~11.00 |
17.00~19.00 |
Ti:5(C%一0.02)~O.80 |
|
0Cr18Ni11NB |
≤0.08 |
≤0.10 |
≤2.oo |
≤0.035 |
≤O.030 |
9.00~13.00 |
17.00~19.00 |
Nb:≥10×C% |
|
00Crl7 |
≤O.030 |
≤0.75 |
≤1.oo |
≤O.035 |
≤O.030 |
|
16.00~19.00 |
Ti或Nb:O.1~1.00 |
|
00Crl8M02 |
≤0.025 |
≤1.00 |
≤1.00 |
≤O.035 |
≤0.030 |
|
17.00~20.00 |
Mo: N:1.75~2.50≤O.025 |
|
0Crl3 |
≤O.08 |
≤1.00 |
≤1.00 |
≤0.035 |
≤0.030 |
|
11.50~13.50 |
|
(4)力学性能见表6-113、表6-114。
表6-113流体输送用不锈钢焊接钢管的热处理制度
|
牌 号 |
推荐热处理制度 | |
|
lCrl8Ni9 |
固溶处理 |
1010~1150℃快冷 |
|
OCr19Ni9 |
1010~1150℃快冷 | |
|
00Crl9Ni11 |
1010~1150℃快冷 | |
|
0Cr25Ni20 |
1030~1180℃快冷
1010~1150℃快冷 | |
|
0Crl7Nil2MO2 | ||
|
00Crl7Ni14Mo2 |
1010~1150℃快冷 | |
|
OCrl8NillTi |
920~1150℃快冷 | |
|
(1Cr18Nil9Ti) |
1000~1080快冷 | |
|
OCrl8Ni11Nb |
980~1150℃快冷 | |
|
00Cr17 |
退火处理 |
780~950℃快冷或缓冷
800~1050℃快冷或缓冷 |
|
ooCr18Mo2 | ||
|
OCrl3 |
750℃快冷或800-900℃缓冷 | |
表6-114流体输送用不锈钢焊接钢管的力学性能
|
牌 号 |
屈服强度ó0.2/MPa |
抗拉强度ób/MPa |
伸长率δ 5(%) | |
|
≥ | ||||
|
1Crl8Ni9 |
21O |
520 |
35 |
25① |
|
OCrl9Ni9 |
210 |
520 | ||
|
00Cr19Ni11 |
180 |
480 | ||
|
0Cr25Ni20 |
210 |
520 | ||
|
0Cr17Ni12M02 |
21O |
520 | ||
|
00Crl7Nil4M02 |
180 |
480 | ||
|
OCrl8Ni11Ti |
210 |
520 | ||
|
1Crl8Ni9Ti |
2lO |
520 | ||
|
OCrl8NillNb |
210 |
520 | ||
|
00Crl7 |
180 |
360 |
20 | |
|
00Cr18M02 |
240 |
4lO | ||
|
0Crl3 |
210 |
410 | ||
注:钢管逐根进行水压试验,压力为2.45MPa;也可进行气压试验,压力为0.59MPa,管壁不得出现渗漏现象。
①非热处理状态交货的钢管
(5)用途用于腐蚀性流体的输送和在腐蚀性气氛下工作的中、低压流体管道。
