电 话：022-88498333、84891540
手 机：13920806700、13920039567
Ｑ Ｑ：490913555
联系人：红果、江金金
地 址：天津市东丽区津塘路丽兴物流园C座432
|
外径 |
壁厚 | |||||||||
|
7 |
10 |
11.5 |
12 |
13 |
15 |
16 |
20 |
20.5 |
26 | |
|
76 |
× |
|
|
|
|
|
|
|
|
|
|
(77) |
|
× |
|
|
|
|
|
|
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|
|
77.5 |
|
× |
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|
|
|
|
|
|
|
|
(80) |
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|
× |
|
|
|
|
|
|
|
|
92 |
|
|
|
× |
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|
|
|
|
|
|
95 |
|
|
|
× |
× |
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|
|
|
|
|
96 |
|
|
|
× |
|
× |
|
|
|
|
|
102 |
|
|
|
× |
|
|
|
|
|
|
|
108 |
|
|
|
|
|
× |
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|
|
|
|
114 |
|
|
|
|
|
|
× |
× |
|
× |
|
(115) |
|
|
|
|
|
|
|
|
× |
|
|
(116) |
|
|
|
|
|
|
|
|
× |
|
|
(120) |
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|
|
|
|
|
|
|
× |
|
|
121 |
|
|
|
|
|
|
|
|
× |
|
|
(122) |
|
|
|
|
|
|
|
|
× |
|
|
供货条件 |
按外径和壁厚供应的钢管 |
按外径、内径和壁厚差供应的钢管 |
对于外径为77mm、内径为57mm、壁厚为10mm的钢管 |
| ||||
|
直径和壁厚允许偏差 |
钢管尺寸／mm |
允许偏差(％) |
钢管尺寸 |
允许偏差 |
钢管尺寸 |
允许偏差 |
| |
|
外 径 |
±1.0 |
外径 |
±1.0% |
外径 |
+1.0
-0.5mm |
| ||
|
壁厚 |
≤7 |
+15
-9 |
||||||
|
内径 |
±1.75% |
内径 |
+1.5
-0.5mm |
|||||
|
>7-15 |
+12.5
-10 |
| ||||||
|
>15 |
+12.5
-7.5 |
壁厚差 |
≤15%
公称壁厚 |
壁厚差 |
≤15%
公称壁厚 |
| ||
