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»Wide Range of Product: BS:1387
Specifications
Surya has a wide range of pipes conforming to the following national and international specifications that incorporate latest amendments.

s
Nominal Bore
Max
Min
Thickness
(Kg/Mtr.)
Inch
MM
MM
MM
mm
Plain end
Screwed & Socketed
1/2
15
21.4
21.000
2.0
0.947
0.956
3/4
20
2609
260400
2.3
1.380
1.390
1
25
33.8
33.200
2.6
1.980
2.000
1 1/4
32
42.5
41.900
2.6
2.540
2.570
1 1/2
40
48.4
47.800
2.9
3.230
3.270
2
50
60.2
59.600
2.9
4.080
4.150
2 1/2
65
76.0
75.200
3.2
5.710
5.830
3
80
88.7
87.900
3.2
6.720
6.890
4
100
113.9
113.000
3.6
9.750
10.000
1/2
15
21.7
21.100
2.6
1.210
1.220
3/4
20
27.2
26.600
2.6
1.560
1.570
1
25
34.2
33.400
3.2
2.410
2.430
1 1/4
32
42.9
42.100
3.2
3.100
3.130
1 1/2
40
48.8
48.000
3.2
3.570
3.610
2
50
60.8
59.800
3.6
5.030
5.100
2 1/2
65
76.6
75.400
3.6
6.430
6.550
3
80
89.5
88.100
4.0
8.370
8.540
4
100
114.9
113.300
4.5
12.200
12.500
5
125
140.6
138.700
5.0
16.600
17.100
6
150
166.1
164.100
5.0
19.700
20.300
1/2
15
21.7
21.100
3.2
1.440
1.450
3/4
20
27.2
26.600
3.2
1.870
1.880
1
25
34.2
33.400
4.0
2.940
2.960
1 1/4
32
42.9
42.100
4.0
3.800
3.830
1 1/2
40
48.8
48.000
4.0
47.380
4.420
2
50
60.8
59.800
4.5
6.190
6.260
2 1/2
65
76.6
75.400
4.5
7.930
8.050
3
80
89.5
88.100
5.0
10.300
10.500
4
100
114.9
113.300
5.4
14.500
14.800
5
125
140.1
164.100
5.4
21.300
21.900

Tolrences
Outside Diameter as per above table
Thickness
Light Medium Heavy
-8% -10% -10%

Weight

Mechanical Properties                                                                   Chemical Properties
Yield Strength 195 N/sq mm (Minimum) Carbon 0.20 % Max
Yield Strength195 N/sq mm (Minimum)

320 to 460 N/sq mm Manganese 1.20 % Max
Tensile Strength   Phosphorous 0.045 % Max

% Elongation 20 % Min
  Sulphur 0.045 % Max

Bend Test            For tubes upto & including 2"
Black Tube           
Bending angle            180°
                                 Bending radius             6 times to the OD of Tube
Flattening Test        Weld Position             3 O'clock

Galvanized Tubes Bending angle 90°
  Bending radius 8 times to the OD of Tube
  Weld Position' 3 O'clock

Galvanized Tubes For Tubes above 2"
  1. Flatten upto 75% of tube dia for weld test (Weld at 3 Oiclock position)
  2. Flatten upto 60% of tube dia for raw material test

Leak Tightness Test 100% Hydrotesting at 50 bar or online eddy current testing

Galvanized Test 1. Bore test (for tubes upto 1 ")
  2. Copper Sulphate Test
Threading As per BS-21-1985







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