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Technical Specification
 
 

Home Products Steel Pipes & Tubes M.S. Pipes International Standard BS: 1387

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International Standard BS: 1387

Technical Data of Tubes conforming to BS:1387

Normal
Size
(DN)		 Designation of Thread
(Inch.)		 Outside Dia. Thickness
(mm)		 Mass of Black Tube
(Kg./Mtr)		 Socket
(Max)
(mm)		 (Min)
(mm)		 plain end screwed &
socketed		 Min
O/D
(mm)		 Max
Length
(mm)
L
I
G
H
T		 15 ½ 21.4 21.0 2.0 0.947 0.956 27.0 37.0
20 ¾ 26.9 26.4 2.3 1.380 1.390 32.5 39.0
25 1 33.8 33.2 2.6 1.980 2.000 39.5 46.0
32 1¼ 42.5 41.9 2.6 2.540 2.570 49.0 51.0
40 1½ 48.4 47.8 2.9 3.230 3.270 56.0 51.0
50 2 60.2 59.6 2.9 4.080 4.150 68.0 60.0
65 2½ 76.0 75.2 3.2 5.710 5.830 84.0 69.0
80 3 88.7 87.9 3.2 6.720 6.890 98.0 75.0
100 4 113.9 113.0 3.6 10.000 10.000 124.0 87.0
Normal
Size
(DN)		 Designation of Thread
(Inch.)		 Outside Dia. Thickness
(mm)		 Mass of Black Tube
(Kg./Mtr)		 Socket>
(Max)
(mm)		 (Min)
(mm)		 plain end screwed &
socketed		 Min
O/D
(mm)		 Max
Length
(mm)
M
E
D
I
U
M		 15 ½ 21.7 21.1 2.6 1.210 1.220 27.0 37.0
20 ¾ 27.2 26.6 2.6 1.560 1.570 32.5 39.0
25 1 34.2 33.4 3.2 2.410 2.430 39.5 46.0
32 1¼ 42.9 42.1 3.2 3.100 3.130 49.0 51.0
40 1½ 48.8 48.0 3.2 3.570 3.610 56.0 51.0
50 2 60.8 59.8 3.6 5.030 5.100 68.0 60.0
65 2½ 76.6 75.4 3.6 6.430 6.550 84.0 69.0
80 3 89.5 88.1 4.0 8.370 8.540 98.0 75.0
100 4 114.9 113.0 4.5 12.200 12.500 124.0 87.0
125 5 140.6 138.7 5.0 16.600 17.100 151.0 96.0
150 6 166.1 164.1 5.0 19.700 20.300 178.0 96.0
Normal
Size
(DN)		 Designation of Thread
(Inch.)		 Outside Dia. Thickness
(mm)		 Mass of Black Tube
(Kg./Mtr)		 Socket
(Max)
(mm)		 (Min)
(mm)		 plain end screwed &
socketed		 Min
O/D
(mm)		 Max
Length
(mm)
H
E
A
V
Y		 15 ½ 21.7 21.1 3.2 1.440 1.450 27.0 37.0
20 ¾ 27.2 26.6 3.2 1.870 1.880 32.5 39.0
25 1 34.2 33.4 4.0 2.940 2.960 39.5 46.0
32 1¼ 42.9 42.1 4.0 3.800 3.860 49.0 51.0
40 1½ 48.8 48.0 4.0 4.380 4.420 56.0 51.0
50 2 60.8 59.8 4.5 6.190 6.260 68.0 60.0
65 2½ 76.6 75.4 4.5 7.930 8.050 84.0 69.0
80 3 89.5 88.1 5.0 10.300 10.500 98.0 75.0
100 4 114.9 113.3 5.4 14.500 14.800 124.0 87.0
125 5 140.6 138.7 5.4 17.900 18.400 151.0 96.0
150 6 166.1 164.1 5.4 21.300 21.900 178.0 96.0
 

Tolerances & Properties

NPS Designator Outside Diameter Wall thickness Weight Class Schedule No. Weight
In mm In mm Lb / ft Kg/ft Kg/m
8 8.625 219.1 0.188 4.78 - - 16.94 7.69 25.26
0.203 5.16 - - 18.26 8.29 27.22
0.219 5.56 - - 19.66 8.93 29.28
0.250 6.35 - 20 22.36 10.15 33.31
0.277 7.04 - 30 24.70 11.21 36.31
0.312 7.92 - - 27.70 12.58 41.24
0.322 8.18 STD 40 28.55 12.96 42.55
0.344 8.74 - - 30.42 13.81 45.34
0.375 9.52 - - 33.04 15.00 49.20
0.406 10.31 - 60 35.64 16.18 53.08
0.438 11.13 - - 38.30 17.39 57.08
0.500 12.70 XS 80 43.39 19.70 64.64
0.594 15.09 - 100 50.95 23.13 75.92
0.719 18.26 - 120 60.71 27.56 90.44
0.812 20.62 - 140 67.76 30.76 100.92
0.875 22.22 XXS - 72.42 32.88 107.88
0.906 23.01 - 160 74.69 33.91 111.27
Product Range
STEEL PIPES & TUBES
GI Pipes | Galvanized Pipes & Tubes| Pre Galvanized Pipes & Tubes | ERW Hot Dipped Galvanized Pipes | ERW Pipes & Tubes | M.S. Pipes| Black Steel Pipes & Tubes |
Conduit Pipes & Tubes

STRUCTURAL STEEL PIPES & TUBES
Square Steel Pipes | Scaffolding Pipes & Tubes | Rectangular Pipes & Tubes | Hollow Sections

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Corporate Office (Head Office)

G-55,Masjid Moth,
Greater Kailash-III.
New Delhi-110048 (INDIA)

+91-11-41637397, +91-11-29221350

DIRECTOR
Sushil Goyal: +91-9810004581

 

 

Works

A-48/9,Site-IV, Industrial Area,
Sahibabad.
Ghaziabad, UP (INDIA)

+91-120-2896306,  +91-120-2896302