Our mild steel pipe is produced on fully automatic imported plant from high-grade prime steel coil, and is drawn on for everything from fire-fighting mains to high-pressure steam lines. Every length is hydro-tested before it leaves the mill.

The range runs from 1/2" through 16" nominal bore in Schedule 10, 20, 40 and 80, and is available in both Grade A and Grade B to ASTM A53. Wall thickness runs to 12 mm, which is the ceiling the mill rolls to; heavier sections are supplied against order. Straightness, wall thickness, weight and length are all held to the standard, and mill test certificates are issued with every consignment.

Where a project calls for a specification other than ASTM — JIS, DIN, EN, BS, ISO or PS — we manufacture against it on enquiry.

Applications

  • Fire fighting
  • Water distribution lines
  • High pressure lines
  • Steam lines (boiler tubes, heat exchange tubes)
  • Hot and chilled water lines
  • Chemical liquid lines
  • Gas and oil projects

Sectors supplied

  • Cement
  • Power sector
  • Oil refineries
  • Sugar
  • Textile
  • Pharmaceutical

Specifications

Sizes and weights

Figures as published in our catalogue. Tolerances are held to the standard named on each table.

MS Pipe — Schedule 40 dimensions

ASTM A53

MS Pipe — Schedule 40 dimensions — ASTM A53
Nominal size in Outside diameter Wall thickness Weight
in mm in mm lb/ft kg/m
1/8 0.405 10.3 0.068 1.73 0.24 0.37
1/4 0.540 13.7 0.088 2.24 0.42 0.63
1/2 0.840 21.3 0.109 2.77 0.85 1.27
3/4 1.050 26.7 0.113 2.87 1.13 1.69
1 1.315 33.4 0.133 3.38 1.68 2.50
1 1/4 1.660 42.2 0.140 3.56 2.27 3.39
1 1/2 1.900 48.3 0.145 3.68 2.72 4.05
2 2.375 60.3 0.154 3.91 3.65 5.44
2 1/2 2.875 73.0 0.203 5.16 5.79 8.63
3 3.500 88.9 0.216 5.49 7.58 11.29
3 1/2 4.000 101.6 0.226 5.74 9.11 13.57
4 4.500 114.3 0.237 6.02 10.79 16.07
5 5.563 141.3 0.258 6.55 14.62 21.77
6 6.625 168.3 0.280 7.11 18.97 28.26
8 8.625 219.1 0.322 8.18 28.55 42.55
10 10.750 273.0 0.365 9.27 40.48 60.31
12 12.750 323.8 0.406 10.31 53.52 79.73
14 14 355.6 0.437 11.13 63.44 94.55
16 16 406.4 0.500 12.70 82.77 123.30

Schedule 10, 20 and 80 available to the same standard, Grade A and Grade B. Wall thickness runs to 12 mm, which is what sets the top of this table — heavier walls are supplied against order.

Precision ERW Round Tube — mass in kg/m

BS 6323 Pt 1 & 5, BS 1717, ASTM A513, JIS G3445 STKM

Precision ERW Round Tube — mass in kg/m — BS 6323 Pt 1 & 5, BS 1717, ASTM A513, JIS G3445 STKM
Outside dia mm Wall thickness — mass in kg/m
0.8 1.0 1.2 1.6 2.0 2.6 3.2
12.70 0.235 0.289 0.340
15.90 0.298 0.367 0.435
19.05 0.360 0.445 0.528 0.689
22.20 0.422 0.523 0.621 0.813 0.996
25.40 0.485 0.602 0.716 0.939 1.154
31.80 0.612 0.760 0.906 1.192 1.470 1.872
38.10 0.736 0.915 1.092 1.440 1.780 2.276 2.754
44.50 0.862 1.073 1.281 1.693 2.096 2.686 3.259
50.80 0.986 1.228 1.468 1.941 2.407 3.090 3.756
63.50 1.237 1.541 1.844 2.442 3.033 3.905 4.758
76.20 1.487 1.854 2.219 2.943 3.660 4.719 5.761

Light-wall mechanical and general-engineering tube, quoted on outside diameter. Heavier walls at each diameter are covered by the Schedule 40 chart on the MS Pipe page.

Gallery

MS Pipe in production

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