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A312 A358 Welded Pipes

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  • Stainless Steel pipes are manufactured to ASTM A312 (Welded) and ASTM A358 Class 1 (Welded/EFW)
  • Available in grades 304/304L and 316/316L
  • ASTM A358 Class 1 only available from 8” onward
  • 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 Welded
Weight
  Inch (NPS) mm (DN) O.D. W.T. I.D 304/304L 316/316L kg/m
S10 S ¼ 8 13.7 1.65 10.4     0.48
  ⅜ 10 17.1 1.65 13.8     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 66.9 ● ● 5.36
  3 80 88.9 3.05 82.8 ● ● 6.59
  3½ 90 101.6 3.05 95.9 ● ● 7.55
  4 100 114.3 3.05 108.2 ● ● 8.52
  5 25 141.3 3.4 134.5 ● ● 11.82
  6 150 168.3 3.4 161.5 ● ● 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
  16 400 406.4 4.78 396.84 ●   48.26
  18 450 457 4.78 447.44     54.36
  20 500 508 5.53 496.94 ●   70.00
  22 550 559 5.53 547.94     77.06
  24 600 610 6.35 597.3   ● 96.37
  30 750 762 7.92 746.16     150.36
S40 S/STD ¼ 8 13.7 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 26.64 ● ● 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 6.55 128.2 ● ● 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
  14 350 355.6 9.53 336.54     81.33
  16 400 406.4 9.53 387.34     93.27
  18 450 457 9.53 437.94     105.16
  20 500 508 9.53 488.94     117.15
  22 550 559 9.53 539.94     129.13
  24 600 610 9.53 590.94     141.12
  26 650 660 9.53 640.94     152.87
  28 700 711 9.53 691.94     164.85
  30 750 762 9.53 742.94     176.84
Schedule - Nominal Bore
Size
AA358 CL1 Welded with 100%
Weight
  Inch (NPS) mm (DN) O.D. W.T. I.D 304/304L 316/316L kg/m
S10 S 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
  16 400 406.4 4.78 396.84 ● ● 48.26
  18 450 457 4.78 447.44 ● ● 54.36
  20 500 508 5.53 496.94 ● ● 70.00
  22 550 559 5.53 547.94     77.06
  24 600 610 6.35 597.3 ● ● 96.37
  30 750 762 7.92 746.16 ●   150.36
S40 S/STD 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
  14 350 355.6 9.53 336.54 ● ● 81.33
  16 400 406.4 9.53 387.34 ● ● 93.27
  18 450 457 9.53 437.94 ● ● 105.16
  20 500 508 9.53 488.94 ● ● 117.15
  22 550 559 9.53 539.94     129.13
  24 600 610 9.53 590.94 ● ● 141.12
  26 650 660 9.53 640.94     152.87
  28 700 711 9.53 691.94     164.85
  30 750 762 9.53 742.94     176.84
S60 12 300 323.9 14.27 295.36   ● 108.96
  14 350 355.6 15.09 325.42   ● 126.71
  16 400 406.4 16.66 373.08   ● 160.12
  18 450 457 19.05 418.9   ● 205.74
S80 S/XS 8 200 219.1 12.7 193.7   ● 65.95
  10 250 273.1 12.7 247.7 ● ● 83.19
  12 300 323.9 12.7 298.5 ● ● 99.43
  14 350 355.6 12.7 330.2 ● ● 107.39
  16 400 406.4 12.7 381 ● ● 123.30
  18 450 457 12.7 431.6   ● 139.15
  20 500 508 12.7 482.6   ● 155.12
  22 550 559 12.7 533.6     171.09
  24 600 610 12.7 584.6   ●  
S80 10 250 273.1 15.09 242.92   ● 96.01
  12 300 323.9 17.48 288.94   ● 132.08
S100 10 250 273.1 18.26 236.58   ● 114.75
  12 300 323.9 21.44 281.02   ● 159.91
  14 350 355.6 23.83 307.94   ● 194.96
  16 400 406.4 26.19 354.02   ● 309.62
  18 450 457.0 29.36 398.28   ● 314.91

A312 A358 Welded Pipes

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