| GALVANIZED STEEL PIPE : ท่อประปา |
| STANDARD BS 1387 : 1985 CLASS HEAVY BLACK & GALVANIZED STEEL PIPE |
| CHEMICAL COMPOSITION |
MECHANICAL PROPERTIES |
|
|
C
MAX%
|
Mn
MAX% |
P
MAX% |
S
MAX% |
TENSILE STRENGTH |
YIELD STRENGTH |
ELONGATION
% |
HYDROSTATIC
TEST (BAR) |
PIPE THREADS |
| 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. |
Numberof 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. |
|
|
| 1/2 (15) |
0.854 |
21.7 |
0.831 |
21.1 |
3.2 |
0.966 |
0.439 |
1.44 |
0.972 |
0.442 |
1.45 |
14 |
169 |
| 3/4 (20) |
1.071 |
27.2 |
1.047 |
26.6 |
3.2 |
1.254 |
0.570 |
1.87 |
1.261 |
0.573 |
1.88 |
14 |
127 |
| 1 (25) |
1.346 |
34.2 |
1.316 |
33.4 |
4.0 |
1.971 |
0.896 |
2.94 |
1.985 |
0.902 |
2.96 |
11 |
91 |
| 1 1/4 (32) |
1.685 |
42.9 |
1.657 |
42.1 |
4.0 |
2.548 |
1.158 |
3.80 |
2.568 |
1.167 |
3.83 |
11 |
61 |
| 1 1/2 (40) |
1.917 |
48.8 |
1.889 |
48.0 |
4.0 |
2.937 |
1.335 |
4.38 |
2.964 |
1.347 |
4.42 |
11 |
44 |
| 2 (50) |
2.394 |
60.8 |
2.354 |
59.8 |
4.5 |
4.151 |
1.887 |
6.19 |
4.198 |
1.908 |
6.26 |
11 |
37 |
| 2 1/2 (65) |
3.016 |
76.6 |
2.969 |
75.4 |
4.5 |
5.318 |
2.417 |
7.93 |
5.398 |
2.454 |
8.05 |
11 |
24 |
| 3 (80) |
3.523 |
89.5 |
3.469 |
88.1 |
5.0 |
6.907 |
3.139 |
10.30 |
7.041 |
3.200 |
10.5 |
11 |
19 |
| 4 (100) |
4.523 |
114.9 |
4.459 |
113.3 |
5.4 |
9.723 |
4.420 |
14.50 |
9.924 |
4.511 |
14.8 |
11 |
14 |
| 5 (125) |
5.353 |
140.6 |
5.459 |
138.7 |
5.4 |
12.003 |
5.456 |
17.90 |
12.338 |
5.608 |
18.4 |
11 |
7 |
| 6 (150) |
6.539 |
166.1 |
6.459 |
164.1 |
5.4 |
14.283 |
6.492 |
21.30 |
14.685 |
6.675 |
21.9 |
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.
|
|
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