|
Nominal Bore |
Outside Diameter |
Class |
Thickness |
Weight |
|
mm |
mm |
|
mm |
Kg/m |
|
(1) |
(2) |
(3) |
(4) |
(5) |
|
15 |
21.3 |
Light |
2.0 |
0.947 |
|
Medium |
2.6 |
1.21 |
|
Heavy |
3.2 |
1.44 |
| |
|
20 |
26.9 |
Light |
2.3 |
1.38 |
|
Medium |
2.6 |
1.56 |
|
Heavy |
3.2 |
1.87 |
| |
|
|
|
|
|
25 |
33.7 |
Light |
2.6 |
1.98 |
|
Medium |
3.2 |
2.41 |
|
Heavy |
4.0 |
2.93 |
| |
|
32 |
42.4 |
Light |
2.6 |
2.54 |
|
Medium |
3.2 |
3.10 |
|
Heavy |
4.0 |
3.79 |
| |
|
40 |
48.3 |
Light |
2.9 |
3.23 |
|
Medium |
3.2 |
3.56 |
|
Heavy |
4.0 |
4.37 |
| |
|
50 |
60.3 |
Light |
2.9 |
4.08 |
|
Medium |
3.6 |
5.03 |
|
Heavy |
4.5 |
6.19 |
| |
|
65 |
76.1 |
Light |
3.2 |
5.71 |
|
Medium |
3.6 |
6.42 |
|
Heavy |
4.5 |
7.95 |
| |
|
80 |
88.9 |
Light |
3.2 |
6.72 |
|
Medium |
4.0 |
8.36 |
|
Heavy |
4.8 |
9.90 |
| |
|
100 |
114.3 |
Light |
3.6 |
9.75 |
|
Medium |
4.5 |
12.2 |
|
Heavy |
5.4 |
14.5 |
| |
|
125 |
139.7 |
Light |
4.5 |
15.0 |
|
Medium |
4.8 |
15.9 |
|
Heavy |
5.4 |
17.9 |
| |
|
150 |
165.1 |
Light |
4.5 |
17.8 |
|
Medium |
4.8 |
18.9 |
|
Heavy |
5.4 |
21.3 | |
Tensile Properties |
|
Grade |
Tensile Strength |
Yield Stress |
Elongation |
| |
(Min) |
(Min) |
|
| |
MPa |
MPa |
Percent |
|
Yst210 |
330 |
210 |
20 |
|
Yst240 |
410 |
240 |
17 |
|
Yst310 |
450 |
310 |
14 | | |
Note : Elongation percent for tubes upto & including 25mm nominal bore for all grades shall be 12% minimum
|
a) Outside Diameter:
1. Upto & including 48.3mm
2. Over 48.3mm |
+0.4mm
-0.8mm
± 1.0% |
| b) Thickness (for all sizes) |
+ not limited
-10% |
c) Weight
1. Single Tube -Light
Medium and Heavy
2) 10 tonne lots - light
Medium and Heavy |
+10%
-8%
± 10%
± 5%
± 7.5% | |
|
|
 |
|
|
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