About us

MS ERW PIPES

MS ERW PIPES / BLACK PIPES are formed from low – carbon mild steel on Automatic Tube mill by high Frequency Induction Welding process.

End Uses

Transmission of water

Size

Outside diameter : from 9.85 mm (1/8″) to 115 mm (4″) Wall thickness : 1.8 mm to 5.4 mm Length : 3 to 6 meters

Pipe End

Plain, Screwed and Socketed

Surface Finish

Black (Self – colored), outside mill protective coating

Product Standards

IS – 1239 (Part – 1) : 1990 , equivalent BS – 1387, ATSM A53 Grade A, and/or IS – 10577:1982

Packaging

Bare Bundles

Inspection

Mill’s certificate or inspection by an independent organization, as authorized by the customer.

Tests Performed

Chemical test, Mechanical test, Hydrostatic test, Other as required by the standards

NOMINAL BORE(NB) Class Outside Diameter Thickness SWG
mm inches mm mm mm
6 (1/8″) L 9.85 9.65 1.8 15
M 9.85 9.65 2.25 13
8 (1/4″) L 13.35 13.1 1.8 15
M 13.6 13.1 2.28 13
H 13.6 13.1 2.9 11
10 (3/8″) L 16.85 16.6 1.8 15
M 17.1 16.6 2.25 13
H 17.1 16.6 2.9 11
15 (1/2″) L 21.4 21 2 14
M 21.8 21 2.6 12
H 21.8 21 3.2 10
20 (3/4″) L 26.9 26.4 2.3 13
M 27.3 26.5 2.6 12
H 27.3 26.5 3.2 10
25 (1″) L 33.8 33.2 2.6 12
M 34.2 33.3 3.2 10
H 34.2 33.3 4 8
32 (11/4″) L 42.5 41.9 2.6 12
M 42.9 42 3.2 10
H 42.9 42 4 8
40 (11/2″) L 48.4 47.8 2.9 11
M 48.8 47.9 3.2 10
H 48.8 47.9 4 8
50 (2″) L 60.2 59.6 2.9 11
M 60.8 59.7 3.6 9
H 60.8 59.7 4.5 7
65 (21/2″) L 76 75.2 3.2 10
M 76.6 75.3 3.6 9
H 76.6 75.3 4.5 7
80 (3″) L 88.7 87.9 3.2 10
M 89.5 88 4 8
H 89.5 88 4.8 6
100 (4″) L 113.9 113 3.6 9
M 115 113.1 4.5 7
H 115 113.1 5.4 5