| GALVANIZED STEEL PIPE : ท่อประปา |
| STANDARD BS 1387 : 1985 MEDIUM BLACK & GALVANIZED STEEL PIPE |
| CHEMICAL COMPOSITION |
MECHANICAL PROPERTIES |
|
|
| C |
Mn |
P |
S |
TENSILE STRENGTH |
YIELD STRENGTH |
ELONGATION |
HYDROSTATIC TEST (BAR) |
PIPE THREADS |
| MAX% |
MAX% |
MAX% |
MAX% |
|
|
% |
|
|
| 0.2 |
1.20 |
0.045 |
0.045 |
320-460 N/mm |
195 N/mm |
20 |
50 |
55 |
| Nominal size (DN) |
Outside Diameter |
Wall Thickness |
Calculated Weight |
Threads Per 25.4 mm. |
Number of piece per Bundle |
| |
Max |
Min |
|
Plain Ends |
Threads & Coupling |
|
|
| in. |
in. |
mm. |
in. |
mm. |
mm. |
Ib./ft. |
kg./ft. |
kg./m. |
Ib./ft. |
kg./ft. |
kg./m. |
|
|
| 3/8 (10) |
0.685 |
17.4 |
0.660 |
16.80 |
2.3 |
0.563 |
0.256 |
0.839 |
0.567 |
0.258 |
0.846 |
19 |
169 |
| 1/2 (15) |
0.856 |
21.7 |
0.831 |
21.10 |
2.6 |
0.811 |
0.369 |
1.21 |
0.818 |
0.372 |
1.22 |
14 |
169 |
| 3/4 (20) |
1.072 |
27.2 |
1.047 |
26.60 |
2.6 |
1.046 |
0.475 |
1.56 |
1.053 |
0.479 |
1.57 |
14 |
127 |
| 1 (25) |
1.346 |
34.2 |
1.316 |
33.40 |
3.2 |
1.616 |
0.735 |
2.41 |
1.629 |
0.741 |
2.43 |
11 |
91 |
| 1 1/4 (32) |
1.687 |
42.9 |
1.657 |
42.10 |
3.2 |
2.079 |
0.945 |
3.10 |
2.099 |
0.954 |
3.13 |
11 |
61 |
| 1 1/2 (40) |
1.919 |
48.8 |
1.889 |
48.00 |
3.2 |
2.394 |
1.088 |
3.57 |
2.421 |
1.100 |
3.61 |
11 |
44 |
| 2 (50) |
2.394 |
60.8 |
2.354 |
59.80 |
3.6 |
3.373 |
1.533 |
5.03 |
3.420 |
1.554 |
5.10 |
11 |
37 |
| 2 1/2 (65) |
3.014 |
76.6 |
2.969 |
75.40 |
3.6 |
4.312 |
1.960 |
6.43 |
4.392 |
1.996 |
6.55 |
11 |
24 |
| 3 (80) |
3.524 |
89.5 |
3.469 |
88.10 |
4.0 |
5.613 |
2.551 |
8.37 |
5.727 |
2.603 |
8.54 |
11 |
19 |
| 4 (100) |
4.524 |
114.9 |
4.459 |
113.30 |
4.5 |
8.181 |
3.719 |
12.2 |
8.382 |
3.810 |
12.50 |
11 |
14 |
| 5 (125) |
5.534 |
140.6 |
5.459 |
138.70 |
5.0 |
11.131 |
5.060 |
16.6 |
11.467 |
5.212 |
17.10 |
11 |
7 |
| 6 (150) |
6.539 |
166.1 |
6.459 |
164.10 |
5.0 |
13.210 |
6.005 |
19.7 |
13.612 |
6.187 |
20.30 |
11 |
7 |
DIMENSION TOLERANCE
WALL THICKNESS : -10%, +NOT LIMIT
WEIGH T :  4% PER BUNDLE (OVER 500ft)
: + 10% , -8% PER PIECE
LENGTH : + 50 mm., -0 mm. |
|
|
