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A312 Seamless Pipes

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  • Stainless Steel pipes are manufactured to ASTM A312 (Seamless)
  • Available in grades 304/304L and 316/316L
  • Fixed lengths of 6 metres except for certain sizes
  • Dimensions according to ASME/ANSI B36.10 and B36.19
Weights are based on theoretical calculations. Actual weight may vary.
● IN STOCK
Schedule - Nominal Bore
Size
A312 Seamless
Weight
  Inch (NPS) mm (DN) O.D. W.T. I.D 304/304L 316/316L kg/m
S10 S ⅛ 6 10.3 1.24 7.82     0.28
  ¼ 8 13.7 1.65 10.40     0.48
  ⅜ 10 17.1 1.65 13.80 ● ● 0.64
  ½ 15 21.3 2.11 17.08 ● ● 1.01
  ¾ 20 26.7 2.11 22.48 ● ● 1.31
  1 25 33.4 2.77 27.86 ● ● 2.13
  1¼ 32 42.2 2.77 36.66 ● ● 2.76
  1½ 40 48.3 2.77 42.76 ● ● 3.17
  2 50 60.3 2.77 54.76 ● ● 4.01
  2½ 65 73 3.05 66.90 ● ● 5.36
  3 80 88.9 3.05 82.80 ● ● 6.59
  3½ 90 101.6 3.05 95.50   ● 7.55
  4 100 114.3 3.05 108.20 ● ● 8.52
  5 125 141.3 3.40 134.50 ● ● 11.82
  6 150 168.3 3.40 161.50 ● ● 14.13
  8 200 219.1 3.76 211.58 ● ● 20.37
  10 250 273.1 4.19 264.72 ● ● 28.34
  12 300 323.9 4.57 314.76 ● ● 36.73
  14 350 355.6 4.78 346.04   ● 42.14
S40 S/STD ⅛ 6 10.3 1.73 6.84   ● 0.36
  ¼ 8 1.7 2.24 9.22 ● ● 0.64
  ⅜ 10 17.1 2.31 12.48 ● ● 0.86
  ½ 15 21.3 2.77 15.76 ● ● 1.30
  ¾ 20 26.7 2.87 20.96 ● ● 1.71
    1 25 33.4 3.38 ● ● 2.55
  1¼ 32 42.2 3.56 35.08 ● ● 3.46
  1½ 40 48.3 3.68 40.94 ● ● 4.13
  2 50 60.3 3.91 52.48 ● ● 5.54
  2½ 65 73 5.16 62.68 ● ● 8.81
  3 80 88.9 5.49 77.92 ● ● 11.52
  3½ 90 101.6 5.74 90.12 ● ● 13.84
  4 100 114.3 6.02 102.26 ● ● 16.40
  5 125 141.3 6.55 128.20 ● ● 22.20
  6 150 168.3 7.11 154.08 ● ● 28.83
  8 200 219.1 8.18 202.74 ● ● 43.39
  10 250 273.1 9.27 254.56 ● ● 61.52
  12 300 323.9 9.53 304.84 ● ● 75.32
S40 12 300 323.9 10.31 303.28   ● 79.73
  14 350 355.6 11.13 333.34 ● ● 94.55
  16 400 406.4 12.70 381.00   ● 123.30
S80 S/XS ⅛ 6 10.3 2.41 5.48   ● 0.36
  ¼ 8 13.7 3.02 7.66 ● ● 0.64
  ⅜ 10 17.1 3.20 10.70 ● ● 0.86
  ½ 15 21.3 3.73 13.84 ● ● 1.30
  ¾ 20 26.7 3.91 18.88 ● ● 1.71
  1 25 33.4 4.55 24.30 ● ● 2.55
  1¼ 32 42.2 4.85 32.50 ● ● 3.46
  1½ 40 48.3 5.08 38.14 ● ● 4.13
  2 50 60.3 5.54 49.22 ● ● 5.54
  2½ 65 73 7.01 58.98 ● ● 8.81
  3 80 88.9 7.62 73.66 ● ● 11.52
  3½ 90 101.6 8.08 85.44   ● 13.84
  4 100 114.3 8.56 97.18 ● ● 16.40
  5 125 141.3 9.53 122.24 ● ● 22.20
  6 150 168.3 10.97 146.36 ● ● 28.83
  8 200 219.1 12.70 193.70 ● ● 43.39
  10 250 273.1 12.70 247.70 ● ● 61.52
  12 300 323.9 12.70 298.50 ● ● 75.32
S80 10 250 273.1 15.09 242.92   ● 96.01
  12 300 323.9 17.48 288.94   ● 132.08
  14 350 355.6 19.05 317.50   ● 158.10
  16 400 406.4 21.44 363.52   ● 203.53
S120 4 100 114.3 11.13 92.04   ● 28.32
  5 125 141.3 12.70 115.90   ● 40.28
  6 150 168.3 14.27 139.76   ● 54.20
  8 200 219.1 18.26 182.58   ● 90.44
S160 ½ 15 21.3 4.78 11.74 ● ● 1.95
  ¾ 20 26.7 5.56 15.58 ● ● 2.90
  1 25 33.4 6.35 20.70 ● ● 4.24
  1¼ 32 42.2 6.35 29.50 ● ● 5.61
  1½ 40 48.3 7.14 34.02 ● ● 7.25
  2 50 60.3 8.74 42.82 ● ● 11.11
  2½ 65 73 9.53 53.94 ● ● 14.92
  3 80 88.9 11.13 66.64 ● ● 21.35
  4 100 114.3 13.49 87.32 ● ● 33.54
  5 125 141.3 15.88 109.54 ● ● 49.11
  6 150 168.3 18.26 131.78 ● ● 67.56
  8 200 219.1 23.01 173.08   ● 111.27
SXXS ½ 15 21.3 7.47 6.36   ● 2.55
  ¾ 20 26.7 7.82 11.06   ● 3.64
  1 25 33.4 9.09 15.22   ● 5.45
  1¼ 32 42.2 9.70 22.80   ● 7.77
  1½ 40 48.3 10.15 28.00   ● 9.56
  2 50 60.3 11.07 38.16   ● 13.44
  2½ 65 73 14.02 44.96   ● 20.39
  3 80 88.9 15.24 58.42   ● 27.68
  4 100 114.3 17.12 80.06   ● 41.03
  5 125 141.3 19.05 103.20   ● 57.43
  6 150 168.3 21.95 124.40   ● 79.22

A312 Seamless Pipes

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