结构用不锈钢无缝钢管(GB/T14975—1994)
(1)尺寸规格
结构用不锈钢热轧(挤、扩)无缝钢管的尺寸规格(mm)
|
外径 |
壁厚 |
|
4.5 |
5 |
6 |
7 |
8 |
9 |
10 |
11 |
12 |
13 |
14 |
15 |
16 |
17 |
18 |
19 |
20 |
22 |
24 |
25 |
26 |
28 |
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68 |
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◎ |
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70 |
◎ |
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73 |
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76 |
◎ |
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◎ |
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80 |
◎ |
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83 |
◎ |
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89 |
◎ |
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◎ |
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95 |
◎ |
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102 |
◎ |
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108 |
◎ |
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114 |
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121 |
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◎ |
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◎ |
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◎ |
◎ |
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127 |
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◎ |
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◎ |
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◎ |
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◎ |
◎ |
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133 |
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◎ |
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140 |
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◎ |
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146 |
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152 |
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159 |
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◎ |
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168 |
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◎ |
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180 |
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◎ |
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194 |
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219 |
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245 |
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237 |
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325 |
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351 |
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|
377 |
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426 |
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结构用不锈钢冷拔(轧)无缝钢管的尺寸规格(mm)
|
外径 |
壁厚 |
|
1.0 |
1.2 |
1.4 |
1.5 |
1.6 |
2.0 |
2.2 |
2.5 |
2.8 |
3.0 |
3.2 |
3.5 |
4.0 |
4.5 |
5.0 |
5.5 |
6.0 |
6.5 |
7.0 |
7.5 |
8.0 |
8.5 |
9.0 |
9.5 |
10 |
11 |
12 |
13 |
14 |
15 |
|
10 |
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11 |
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&nbs, p; |
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19 |
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|
外径 |
壁厚 |
|
1.0 |
1.2 |
1.4 |
1.5 |
1.6 |
2.0 |
2.2 |
2.5 |
2.8 |
3.0 |
3.2 |
3.5 |
4.0 |
4.5 |
5.0 |
5.5 |
6.0 |
6.5 |
7.0 |
7.5 |
8.0 |
8.5 |
9.0 |
9.5 |
10 |
11 |
12 |
13 |
14 |
15 |
|
27 |
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外径 |
壁厚 |
|
1.0 |
1.2 |
1.4 |
1.5 |
1.6 |
2.0 |
2.2 |
2.5 |
2.8 |
3.0 |
3.2 |
3.5 |
4.0 |
4.5 |
5.0 |
5.5 |
6.0 |
6.5 |
7.0 |
7.5 |
8.0 |
8.5 |
9.0 |
9.5 |
10 |
11 |
12 |
13 |
14 |
15 |
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57 |
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68 |
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70 |
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73 |
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75 |
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78 |
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● |
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● |
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● |
● |
● |
● |
● |
● |
● |
● |
● |
● |
● |
● |
● |
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|
80 |
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● |
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83 |
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|
85 |
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89 |
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90 |
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|
95 |
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|
100 |
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◆ |
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|
102 |
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外径 |
壁厚 |
|
|
1.0 |
1.2 |
1.4 |
1.5 |
1.6 |
2.0 |
2.2 |
2.5 |
2.8 |
3.0 |
3.2 |
3.5 |
4.0 |
4.5 |
5.0 |
5.5 |
6.0 |
6.5 |
7.0 |
7.5 |
8.0 |
8.5 |
9.0 |
9.5 |
10 |
11 |
12 |
13 |
14 |
15 |
|
108 |
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114 |
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127 |
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133 |
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|
140 |
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|
146 |
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159 |
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|
140 |
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|
146 |
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● |
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|
159 |
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● |
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● |
注: 1.●表示冷拔(轧)钢管规格。
2.钢管的通常长度规定如下:
热轧(挤、扩)钢管………………………………………………2-12m
冷拔(轧)钢管………………………………………………………1—8m
3.钢管的弯曲度不得大于如下规定:
壁厚<15mm……………………………………………………·…1.5mm/m
壁厚≥15mm……………………………………·…………………2.0mm/m 热扩管………0635-2995805
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