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英標BS1387 — 1985直縫焊管規格（鋼管尺寸 Class C 重） | ||||||
|
公稱口徑
Nominal size |
英寸
Designation of thread |
外徑 (O.D) |
厚度
Thickness |
平端
Plain end |
車絲接頭
Screwed and Socketed | |
|
最大(Max) |
最小(Min) | |||||
|
mm |
in |
mm |
mm |
mm |
kg/m |
kg/m |
|
15 |
1/2 |
21.7 |
3.2 |
1.44 |
1.45 |
1.45 |
|
20 |
3/4 |
27.2 |
3.2 |
1.87 |
1.88 |
1.88 |
|
25 |
1 |
34.2 |
4.0 |
2.94 |
2.96 |
2.96 |
|
32 |
1 1/4 |
42.9 |
4.0 |
3.80 |
3.83 |
3.83 |
|
40 |
1 1/2 |
48.8 |
4.0 |
4.38 |
4.42 |
4.42 |
|
50 |
2 |
60.理8 |
4.5 |
6.19 |
6.26 |
6.26 |
|
65 |
2 1/2 |
76.6 |
4.5 |
7.9 |
8.05 |
8.05 |
|
80 |
3 |
89.5 |
5.0 |
10.30 |
10.50 |
10.50 |
|
100 |
4 |
114.9 |
5.4 |
14.50 |
14.80 |
14.80 |