EN 10305-4 Grade E235 Carbon Steel Seamless Tubes Specification
Seamless Pipe Size | 4 to 219mm W. T.: 0.5 to 20mm |
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Standard | GB, IS, JIS, ASTM, ASME, AISI, DIN, EN Pipe |
Welded Pipe Size | 5.0 mm – 1219.2 mm |
Tube Swg & Bwg | 10 Swg.,16 Swg., 12 Swg., 14 Swg., 20 Swg., 18 Swg. |
Seamless Tube Size | 3.35 mm OD To 101.6 mm OD |
EFW Pipe size | 5.0 mm – 1219.2 mm |
Swg & Bwg | 10 Swg., 12 Swg., 14 Swg., 16 Swg., 18 Swg., 20 Swg. |
Pipe Schedule | SCH40, SCH40S, STD, SCH80, XS, SCH60,SCH5, SCH10, SCH10S, SCH20, SCH30, SCH80, SCH120, SCH140, SCH160, XXS |
Welded Tube Size | 6.35 mm OD To 152 mm OD |
Length | Single Random, Double Random, Standard & Cut length Pipe & Tube |
wall thickness | 0.020″ –0.220″, (special wall thicknesses available) |
Form | U’ bent or Hollow,Round, Hydraulic, ‘ LSAW, Straight Pipe, Boiler, Clad Pipe, Rectangular, Square Pipe Etc |
Finish | Polished, AP (Annealed & Pickled), BA (Bright & Annealed), MF |
Outer diameter and wall Thickness | |||||||||
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Execution | Size Range | OD Tolerance | Wall tolerance | ||||||
Hot-rolled Tube | OD – 80 mmOD > 80 mmWall < 12 mmWall – 12 mm | ± 0.4 mm± 0.5 % of OD | ± 0.7 mm± (5 % x wallthickness + 0.1 mm | ||||||
Hot-rolled peeled tube | All sizesWall < 12 mmWall – 12 mm | + 0.25/- 0 mm | ± 0.8 mm± (5 % x wall thickness+ 0.2 mm) | ||||||
Cold Worked tubecold-rolled or cold-drawn | OD < 40 mmOD 40 – 80 mmOD > 80 Wall Thickness< 6 mm Wall Thickness6 – 8 mm Wall Thickness > 8 | + 0.30/- 0 mm*+ 0.35/- 0 mm*+ 0.40/- 0 mm* | ± 0.30 mm± 0.35 mm± 0.40 mm |
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