Specifications
Surya has a wide range of pipes conforming to the following
national and international specifications that incorporate
latest amendments.
|
|
|
Nominal
Size
|
Outside
Diameter |
Wall Thickness |
Mass of Tube |
Pipe Thread |
Sockets |
|
Size |
|
|
Thickness |
Plain End |
Socketed |
Thread |
No of Thread |
Min. Outside |
Min. |
|
DN |
Min
(mm) |
Max
(mm) |
|
Kg/m |
Kg/m |
diameter |
in 25.4 mm |
Diameter |
L.ength |
|
mm |
(rnm) |
(mrm) |
15 |
21.0 |
21.8 |
2.65 |
1.22 |
1.23 |
20.955 |
14 |
26.4 |
34 |
|
20 |
26.5 |
27.3 |
3.25 |
1.90 |
1.91 |
26.441 |
14 |
31.8 |
36 |
|
25 |
33.3 |
34.2 |
4.05 |
2.97 |
2.99 |
33.249 |
11 |
39.5 |
43 |
|
32 |
42.0 |
42.9 |
4.05 |
3.84 |
3.87 |
41.910 |
11 |
48.3 |
48
' |
|
40 |
47.9 |
48.8 |
4.05 |
4.43 |
4.47 |
47.803 |
11 |
54.5 |
48 |
|
50 |
59.7 |
60.8 |
4.50 |
6.17 |
6.24 |
59.614 |
11 |
66.3 |
56 |
|
65 |
75.3 |
76.6 |
4.50 |
7.90 |
8.02 |
75.184 |
11 |
82.0 |
65 |
|
80 |
88.0 |
89.5 |
4.85 |
10.10 |
10.30 |
87.884 |
11 |
95.0 |
71 |
|
100 |
113.1 |
115.0 |
5.40 |
14.40 |
14.70 |
113.030 |
11 |
122.0 |
83 |
|
125 |
138.5 |
140.8 |
5.40 |
17.80 |
18.30 |
138.430 |
11 |
147.0 |
92 |
|
150 |
163.9 |
166.5 |
5.40 |
21.20 |
21.80 |
163.830 |
11 |
174.0 |
92 |
|
|
|
Nominal |
Outside Diameter |
Wall |
Mass of Tube |
Pipe Thread |
Sockets |
|
Size |
|
|
Thickness |
Plain End |
Socketed |
Thread |
No of thread |
Min. Outside |
Min. |
|
DN |
Min(mm) |
Max(mm) |
|
Kg/m |
Kg/m |
diameter |
in 25.4 mm |
Diameter |
L.ength |
|
mm |
(rnm) |
(mrm) |
|
15 |
21.0 |
21.8 |
3.25 |
1.45 |
1.46 |
20.955 |
14 |
26.4 |
34 |
|
20 |
26.5 |
27.3 |
3.25 |
1.90 |
1.91 |
26.441 |
14 |
31.8 |
36 |
|
25 |
33.3 |
34.2 |
4.05 |
2.97 |
2.99 |
33.249 |
11 |
39.5 |
43 |
|
32 |
42.0 |
42.9 |
4.05 |
3.84 |
3.87 |
41.910 |
11 |
48.3 |
48
' |
|
40 |
47.9 |
48.8 |
4.05 |
4.43 |
4.47 |
47.803 |
11 |
54.5 |
48 |
|
50 |
59.7 |
60.8 |
4.50 |
6.17 |
6.24 |
59.614 |
11 |
66.3 |
56 |
|
65 |
75.3 |
76.6 |
4.50 |
7.90 |
8.02 |
75.184 |
11 |
82.0 |
65 |
|
80 |
88.0 |
89.5 |
4.85 |
10.10 |
10.30 |
87.884 |
11 |
95.0 |
71 |
|
100 |
113.1 |
115.0 |
5.40 |
14.40 |
14.70 |
113.030 |
11 |
122.0 |
83 |
|
125 |
138.5 |
140.8 |
5.40 |
17.80 |
18.30 |
138.430 |
11 |
147.0 |
92 |
|
150 |
163.9 |
166.5 |
5.40 |
21.20 |
21.80 |
163.830 |
11 |
174.0 |
92 |
TOLERANCES
OUTSIDE DIAMETER AS PER ABOVE TABLE
WALL THICKNESS -12.5%
WEIGHT
>
| SINGLE TUBE |
FOR LOT of 10 TONS |
| +\-10% |
+\-7.5% |
Tolerances
Outside Diameter as per above table
Thickness
Testing
Leak Tightness Test 100% Hydrostatic testing
at 50 bar or Online Eddy Current testing
Bend Test For tubes upto & including ON 25 For tubes
above ON 25 & up to ON 50
Bending angle 90° Bending angle 90°
Bending radius 3 times to the 00 of Tube Bending radius
3.5 times to the 00 of Tube
Weld Position 12 O'clock & 3 O'clock Weld Position12
O'clock & 3 O'clock
Flattening Test For tubes DN 65 & above
Flatten upto 2/3 of tube dia without crack in weld; Weld
position -12'0 clock & 3'0 clod Zinc Coating = 400
g/sq m (Minimum)
Zinc layer thickness = 56 microns
Galvanizing
Mechanical properties
Yield Strength185 N/sq.mm (Minimum)
Tensile Strength 310 to 540 N/sq.mm for wall thickness
less than 3 mm
% Elong 14 18
Raw Material :- As per ST 33.2 conforming to DIN 17100.
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