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| Galvanized Steel Pipe and Fittings to BS1387-1985 |
| Nominal Diameter |
Wall thickness
(mm)
|
Outside Diameter(mm) |
Weight (Black pipe) kg/m
Plain End
Reference Number
|
Thread |
| Max. |
Min. |
| mm |
inch |
A |
B |
C |
A |
B |
C |
A |
B |
C |
A |
B |
C |
Thread number
per inch |
Length
(mm) |
| 15 |
1/2 |
2.0 |
2.6 |
3.2 |
21.4 |
21.7 |
21.7 |
21.0 |
21.1 |
21.1 |
0.947 |
1.21 |
1.44 |
14 |
11.4~15.0 |
| 20 |
3/4 |
2.3 |
2.6 |
3.2 |
26.9 |
27.2 |
27.2 |
26.4 |
26.6 |
26.6 |
1.38 |
1.56 |
1.87 |
14 |
12.7~16.3 |
| 25 |
1 |
2.6 |
3.2 |
4.0 |
33.8 |
34.2 |
34.2 |
32.2 |
33.4 |
33.4 |
1.98 |
2.41 |
2.94 |
11 |
14.5~19.1 |
| 32 |
1/1/4 |
2.6 |
3.2 |
4.0 |
42.5 |
42.9 |
42.9 |
41.9 |
42.1 |
42.1 |
2.54 |
3.10 |
3.80 |
11 |
16.8~21.4 |
| 40 |
1/1/2 |
2.9 |
3.2 |
4.0 |
48.4 |
48.8 |
48.8 |
47.8 |
48.0 |
48.0 |
3.23 |
3.57 |
4.38 |
11 |
16.8~21.4 |
| 50 |
2 |
2.9 |
3.6 |
4.5 |
60.2 |
60.8 |
60.8 |
59.6 |
59.8 |
59.8 |
4.08 |
5.03 |
6.19 |
11 |
21.1~25.7 |
| 65 |
2/1/2 |
3.2 |
3.6 |
4.5 |
76.0 |
76.6 |
76.6 |
75.2 |
75.4 |
75.4 |
5.71 |
6.43 |
7.93 |
11 |
23.2~30.2 |
| 80 |
3 |
3.2 |
4.0 |
5.0 |
88.7 |
89.5 |
89.5 |
87.9 |
88.1 |
88.1 |
6.72 |
8.37 |
10.3 |
11 |
26.3~33.3 |
| 100 |
4 |
3.6 |
4.5 |
5.4 |
113.9 |
114.9 |
114.9 |
113.0 |
113.3 |
113.3 |
9.75 |
12.1 |
14.5 |
11 |
32.3~39.3 |
| 125 |
5 |
- |
5.0 |
5.4 |
- |
140.6 |
140.6 |
- |
138.7 |
138.7 |
- |
16.6 |
17.9 |
11 |
36.6~43.6 |
| 150 |
6 |
- |
5.0 |
5.4 |
- |
166.1 |
166.1 |
- |
164.1 |
164.1 |
- |
19.7 |
21.3 |
11 |
36.6~43.6 |
| Wall thickness tolerance of Class A pipe:-8% |
Wall thickness tolerance Class B&C pipes:-10% |
| A-Light gauge(Brown) |
B-Medium gauge(Blue) |
C-Heavy gauge(Red) |
| Length of pipe:6000mm or according to customers' requirements. |
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