高压化肥设备用无缝钢管
标准
中国国家标准
用途
用于制造高压化肥设备和管道用无缝钢管。
钢级
|
标准 |
钢级 |
|
GB6479 |
10、20、16Mn、15MnV、10MoWVNb、12CrMo、15CrMo、1Cr5Mo、12Cr2Mo、12SiMoVNb |
规格表
|
外径 |
壁厚 mm |
|
inch |
mm |
2 |
2.6 |
3.6 |
4.5 |
5.5 |
7.1 |
9.5 |
12.5 |
13 |
14-16 |
17-19 |
20-25 |
31-60 |
61-70 |
81-90 |
91-120 |
|
0.84 |
21.3 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
1.05 |
26.7 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
1.315 |
33.4 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
1.66 |
42.2 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
1.9 |
48.3 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
2.375 |
60.3 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
2.875 |
73 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
3.5 |
88.9 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
4 |
101.6 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
4.5 |
114.3 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
5.563 |
141.3 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
6.625 |
168.3 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
8.625 |
219.1 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
10.75 |
273 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
12.75 |
323.9 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
14 |
355.6 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
16 |
406.4 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
18 |
457 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
20 |
508 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
22 |
559 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
24 |
610 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
26 |
660.4 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
28 |
711.2 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
30 |
762 |
|
|
|
|
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|
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|
|
|
|
|
|
|
|
32 |
813 |
|
|
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|
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|
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|
|
|
|
|
|
|
|
34 |
864 |
|
|
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|
|
|
|
|
|
|
36 |
914 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
38 |
965 |
|
|
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|
注：经协商，也可供其它规格的钢管
