| GALVANIZED STEEL PIPE : ท่อประปา |
| STANDARD BS 1387 : 1985 CLASS LIGHT 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) |
0.671 |
17.1 |
0.656 |
16.7 |
1.8 |
0.453 |
0.205 |
0.670 |
0.457 |
0.207 |
0.676 |
19 |
169 |
| 1/2 (15) |
0.841 |
21.4 |
0.825 |
21.0 |
2.0 |
0.640 |
0.290 |
0.947 |
0.646 |
0.293 |
0.956 |
14 |
169 |
| 3/4 (20) |
1.059 |
26.9 |
1.041 |
26.4 |
2.3 |
0.944 |
0.428 |
1.380 |
0.954 |
0.433 |
1.390 |
14 |
127 |
| 1 (25) |
1.328 |
33.8 |
1.309 |
33.2 |
2.6 |
1.350 |
0.612 |
1.980 |
1.360 |
0.617 |
2.00 |
11 |
91 |
| 1 1/4 (32) |
1.670 |
42.5 |
1.650 |
41.9 |
2.6 |
1.730 |
0.785 |
2.540 |
1.750 |
0.794 |
2.570 |
11 |
61 |
| 1 1/2 (40) |
1.903 |
48.4 |
1.882 |
47.8 |
2.9 |
2.190 |
0.993 |
3.230 |
2.220 |
1.010 |
3.270 |
11 |
44 |
| 2 (50) |
2.370 |
60.2 |
2.347 |
59.6 |
2.9 |
2.760 |
1.250 |
4.080 |
2.810 |
1.270 |
4.150 |
11 |
37 |
| 21/2 (65) |
2.991 |
76.0 |
2.960 |
75.2 |
3.2 |
3.900 |
1.770 |
5.710 |
3.980 |
1.810 |
5.830 |
11 |
24 |
| 3 (80) |
3.491 |
88.7 |
3.460 |
87.9 |
3.2 |
4.580 |
2.080 |
6.720 |
4.690 |
2.130 |
6.890 |
11 |
19 |
| 4 (100) |
4.481 |
113.9 |
4.450 |
113.0 |
3.6 |
6.640 |
3.010 |
9.750 |
6.840 |
3.100 |
10.00 |
11 |
14 |
DIMENSION TOLERANCE
WALL THICKNESS : -8%, +NOT LIMIT
WEIGH T :  4% PER BUNDLE (OVER 500ft)
: + 10% , -8% PER PIECE
LENGTH : + 50 mm., -0 mm. |
|
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