Steel Tubes BS 1387 (EN 10255)

Dimensions and weights of steel tubes according BSi - BS 1387:1985 (EN 10255) Specification for screwed and socketed steel tubes and tubulars and for plain end steel tubes suitable for welding or for screwing to BS 21 pipe threads

BS 1387:1985 has been withdrawn and replaced with the European standard EN 10255:2004 (implemented by UK national standard body as BS EN 10255:2004  "Non-alloy steel tubes suitable for welding or threading"). The table below gives the corresponding types in BS 1387 and EN 10255.

EN 10255 L  
EN 10255 L1  
EN 10255 L2 BS 1387 Light
EN 10255 Medium BS 1387 Medium
EN 10255 Heavy BS 1387 Heavy

Dimensions and weight of steel tubes according the British Standard - BS 1387:1985 "Specification for screwed and socketed steel tubes and tubulars and for plain end steel tubes suitable for welding or for screwing to BS 21 pipe threads" can be found in the table below:

Nominal boreOutside diameterThicknessMass
LightMedium/
Heavy
LightMediumHeavyLightMediumHeavy
inmmmmmmmmmmmmkg/mkg/mkg/m
1/4 8 13.60 13.90 1.80 2.30 2.90 0.515 0.641 0.765
3/8 10 17.10 17.40 1.80 2.30 2.90 0.670 0.839 1.020
1/2 15 21.40 21.70 2.00 2.60 3.20 0.947 1.210 1.440
3/4 20 26.90 27.20 2.30 2.60 3.20 1.380 1.560 1.870
1 25 33.80 34.20 2.60 3.20 4.00 1.980 2.410 2.940
1 1/4 32 42.50 42.90 2.60 3.20 4.00 2.540 3.100 3.800
1 1/2 40 48.40 48.80 2.90 3.20 4.00 3.230 3.570 4.380
2 50 60.20 60.80 2.90 3.60 4.50 4.080 5.030 6.190
2 1/2 65 76.00 76.60 3.20 3.60 4.50 5.710 6.430 7.930
3 80 88.70 89.50 3.20 4.00 5.00 6.720 8.370 10.300
4 100 113.90 114.90 3.60 4.50 5.40 9.750 12.200 14.500
5 125 140.60 5.00 5.40 16.600 17.900
6 150 166.10 5.00 5.40 19.700 21.300

The standard is applicable to tubes of nominal size DN8 to DN150 in light, medium and heavy thickness.

  • The BS 1387:1985 specification for screwed and socket steel tubes and for plain end steel tubes suitable for welding or for screwing to BS 21 pipe threads.

Related Topics

  • Dimensions - Sizes and dimensions of pipes and tubes, and their fittings - inside and outside diameter, weight and more
  • Codes and Standards - Piping codes and standards - ASME, ANSI, ASTM, AGA, API, AWWA, BS, ISO, DIN and more..
  • Piping Systems - Dimensions of pipes and tubes - dimensions, materials, capacities - pressure drop calculations and charts - insulation and heat loss diagrams

Related Documents

Key Words

  • en: pipes, tubes, steel, dimensions, British, Standard, BS, 1397
  • es: tubos, tuberías de acero, dimensiones, británico, Standard, BS, 1397
  • de: Rohre, Rohre, Stahl, Abmessungen, British Standard BS 1397

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