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Seamless Boiler Pipe Tubes & Application

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Product Range

A Seamless Steel Pipe is made out of a solid round steel billet which is heated and pushed over a form until the steel is shaped into a hollow tube. The seamless pipe is then finished to dimensional and wall thickness specification.

Product Range Seamless Boiler Pipes & Tubes
OD 21.30 MM to 508 MM or (½" to 20").
Thickness 2.77 MM to 40 MM
Specification ASTM A 106, Gr. B/ ASTM A53, Gr. B/API 5L, Gr. B.

ASTM SCHEDULED SIZES

DIMENSIONS AND WEIGHT
Nominal
Pipe Size
(mm/inch) 		OD (mm) Schedule Wall Thickness (mm) / Weight (kg/m)
Sch. Sch. Sch Sch STD Sch. XS Sch. Sch Sch Sch Sch Sch XXS
5 10 20 30 40 60 80 100 120 140 160
6 10.3 - 1.24 - 1.45 1.73 1.73 2.41 - 2.41 - - - - -
1/8   - 0.28 - 0.32 0.37 0.37 0.47 - 0.47 - - - - -
8 13.7 - 1.65 - 1.85 2.24 2.24 3.02 - 3.02 - - - - -
1/4   - 0.49 - 0.54 0.63 0.63 0.80 - 0.80 - - - - -
10 17.1 - 1.65 - 1.85 2.31 2.31 3.20 - 3.20 - - - - -
3/8   - 0.63 - 0.70 0.84 0.84 1.10 - 1.10 - - - - -
15 21.3 1.65 2.11 - 2.41 2.77 2.77 3.73 - 3.73 - - - 4.78 7.47
1/2   0.80 1.00 - 1.12 1.27 1.27 1.62 - 1.62 - - - 1.95 2.55
20 26.7 1.65 2.11 - 2.41 2.87 2.87 3.91 - 3.91 - - - 5.56 7.82
3/4   1.03 1.28 - 1.44 1.69 1.69 2.20 - 2.20 - - - 2.90 3.64
25 33.4 1.65 2.77 - 2.90 3.38 3.38 4.55 - 4.55 - - - 6.35 9.09
1   1.29 2.09 - 2.18 2.50 2.50 3.24 - 3.24 - - - 4.24 5.45
32 42.2 1.65 2.77 - 2.97 3.56 3.56 4.85 - 4.85 - - - 6.35 9.70
1 1/4   1.65 2.69 - 2.87 3.39 3.39 4.47 - 4.47 - - - 5.61 7.77
40 48.3 1.65 2.77 - 3.18 3.68 3.68 5.08 - 5.08 - - - 7.14 10.15
1 1/2 1.90 3.11 - 3.53 4.05 4.05 5.41 - 5.41 - - - 7.25 9.55
50 60.3 1.65 2.77 - 3.18 3.91 3.91 5.54 - 5.54 - - - 8.74 11.07
2   2.39 3.93 - 4.48 5.44 5.44 7.48 - 7.48 - - - 11.11 13.44
65 73.0 2.11 3.05 - 4.78 5.16 5.16 7.01 - 7.01 - - - 9.53 14.02
2 1/2   3.69 5.26 - 8.04 8.63 8.63 11.41 - 11.41 - - - 14.92 20.39
80 88.9 2.11 3.05 - 4.78 5.49 5.49 7.62 - 7.62 - - - 11.13 15.24
3   4.52 6.46 - 9.92 11.29 11.29 15.27 - 15.27 - - - 21.35 27.68
90 101.6 2.11 3.05 - 4.78 5.74 5.74 8.08 - 8.08 - - - - -
3 1/2   5.18 7.41 - 11.41 13.57 13.57 18.64 - 18.64 - - - - -
100 114.3 2.11 3.05 - 4.78 6.02 6.02 8.56 - 8.56 - 11.13 - 13.49 17.12
4   5.84 8.37 - 12.91 16.08 16.08 22.32 - 22.32 - 28.32 - 33.54 41.03
125 141.3 2.77 3.40 - - 6.55 6.55 9.53 - 9.53 - 12.70 - 15.88 19.05
5   9.46 11.56 - - 21.77 21.77 30.97 - 30.97 - 40.28 - 49.12 57.43
150 168.30 2.77 3.40 - - 7.11 7.11 10.97 - 10.97 - 14.27 - 18.26 21.95
6   11.31 13.83 - - 28.26 28.26 42.56 - 42.56 - 54.21 - 67.57 79.22
200 219.10 2.77 3.76 6.35 7.04 8.18 8.18 12.70 10.31 12.70 15.09 18.26 20.62 23.01 22.23
8   14.78 19.97 33.32 36.82 42.55 42.55 64.64 53.09 64.64 75.92 90.44 100.93 111.27 107.93
250 273.00 3.40 4.19 6.35 7.80 9.27 9.27 12.70 12.70 15.09 18.26 21.44 25.40 28.58 25.40
10   22.61 27.78 41.76 51.01 60.29 60.29 81.53 81.53 95.98 114.71 133.01 155.10 172.27 155.10
300 323.80 3.96 4.57 6.35 8.38 9.53 10.31 12.70 14.27 17.48 21.44 25.40 28.58 33.32 25.40
12   31.24 35.98 49.71 65.19 73.86 79.71 97.44 108.93 132.05 159.87 186.92 208.08 238.69 186.92
350 355.60 3.96 6.35 7.92 9.53 9.53 11.13 12.70 15.09 19.05 23.83 27.79 31.75 35.71 -
14   34.34 54.69 67.91 81.33 81.33 94.55 107.40 126.72 158.11 194.98 224.66 253.58 281.72 -