CONSTRUCTION

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CIRCULAR HOLLOW SECTION

Sizes

  • Outside Diameter

    21,3 mm - 339,7 mm

  • Wall Thickness

    2,0 mm - 12,7 mm

  • Length

    5,00 m - 12,0 m

Production Standards & Material Qualities

EN 10305-3 E 155 - E 700
BS EN 10029 GR 43 C
ASTM A 500 GR A, GR B, GR C

EN 10219 (BS 6363)

EN 10210-2

 S 235, S 275, S 355, S 460 MH, NH (J0H, JRH, J2H, K2H, GR 34/26, GR 43/36)

*Available as cold formed and hot finished.

Tests & Certificates

• Visual and Dimensional Inspection
• Mechanical Tests: Tensile Test Flattening Test, Flaring Test Expanding Test Impact Test
• Metallographic Examination
• Chemical Analysis
• Non Destructive Inspection: In-Line Ultrasonic (weld check) In-Line and offline Eddy Current (for round tubes)
• Mill Test Certificates - According to EN 10204 2.1; 2.2; 3.1; 3.2
• NDT Standards - ET (ISO 10893-2)
• Quality Certificates - EN 10219 - EN10210 CE marked

Finishing Operations

Plain End-Square cut or bevelled Black, self-colored/uncoated
Mill protective oil coating; for both round, square and rectangular tubes, black varnish for outside surface of round tubes.

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