Pre-galvanized steel pipe
We can produce and supply to you various steel pipes according to international standard. Pre-galvanized steel pipes are used in the following fields, steel structure, build structure, guard rail, fence, metal furniture etc. our products are exported to about 50 countries in the world, we get a lot of recognition from many customers since our good quality and service.
Index:
Production standard: ASTM, JIS, BS, DIN, EN, API, GB
Section type: round,
square,
rectangular,
oval and other special section type.
British Standard (BS1387-85) Thin thickness pipe specification
| |
Outside Diameter (mm) |
|
Weight of Black Pipe (kg/m) |
|
Nominal Size
(DN) |
Screw Identifiers |
Maximum |
Minimum |
Thickness |
Plain end pipe |
Threaded and With Coupler |
|
15 |
1/2 |
21.4 |
21.0 |
2.0 |
0.947 |
0.956 |
|
20 |
3/4 |
26.9 |
26.4 |
2.3 |
1.38 |
1.39 |
|
25 |
1 |
33.8 |
33.2 |
2.6 |
1.98 |
2.00 |
|
32 |
11/4 |
42.5 |
41.9 |
2.6 |
2.54 |
2.57 |
|
40 |
11/2 |
48.4 |
47.8 |
2.9 |
3.23 |
3.27 |
|
50 |
2 |
60.2 |
59.6 |
2.9 |
4.08 |
4.15 |
|
65 |
21/2 |
76.0 |
75.2 |
3.2 |
5.71 |
5.83 |
|
80 |
3 |
88.7 |
87.9 |
3.2 |
6.72 |
6.89 |
|
100 |
4 |
113.9 |
113.0 |
3.6 |
9.75 |
10.0 |
Normal steel pipe size
| |
Outside Diameter (mm) |
|
Weight of Black Pipe (kg/m) |
|
Nominal Size
( DN) |
Screw Identifiers |
Maximum |
Minimum |
Thickness |
Plain end pipe |
Threaded and With Coupler |
|
15 |
1/2 |
21.7 |
21.1 |
2.6 |
1.21 |
1.22 |
|
20 |
3/4 |
27.2 |
26.6 |
2.6 |
1.56 |
1.57 |
|
25 |
1 |
34.2 |
33.4 |
3.2 |
2.41 |
2.43 |
|
32 |
11/4 |
42.9 |
42.1 |
3.2 |
3.10 |
3.13 |
|
40 |
11/2 |
48.8 |
48.0 |
3.2 |
3.57 |
3.61 |
|
50 |
2 |
60.8 |
59.8 |
3.6 |
5.03 |
5.10 |
|
65 |
21/2 |
76.6 |
75.4 |
3.6 |
6.43 |
6.55 |
|
80 |
3 |
89.5 |
88.1 |
4.0 |
8.37 |
8.54 |
|
100 |
4 |
114.9 |
113.3 |
4.5 |
12.2 |
12.5 |
|
125 |
5 |
140.6 |
138.7 |
5.0 |
16.6 |
17.1 |
|
150 |
6 |
166.1 |
164.1 |
5.0 |
19.7 |
20.3 |
