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  1. Description: E220 is a low carbon steel extensively supplied in cold formed ERW precision tubes. Tubes are usually rolled in the S2 condition (produced from HRPO coil), however other tubes are also rolled with the following surface conditions: S1 – Self colour. S3 – Cold rolled. S4 – Metalic coated.

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    Description. E220 is a low carbon steel extensively supplied in cold formed ERW precision tubes. Tubes are usually rolled in the S2 condition (produced from HRPO coil), however other tubes are also rolled with the following surface conditions, E220. Standards / Specification.

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  4. The European norm EN 10305 specifies the requirements for unalloyed carbon steel welded round tubes for precision systems. These tubes are intended for use in the construction of greenhouses, scaffolding and fences and have different specific dimensional tolerances.

    • Acciaitubi
    • Longitudinal welding
    • Plain
    • External
  5. Yield Strength, MPa. Elongation, %. Delivery Condition. 310 min. 220 min. 23 min. +CR2. EN 10305-3 specifies the technical delivery conditions for welded cold sized steel tubes of circular cross section for precision applications. It can also be applicable to non-circular (excluding square and rectangular) cross sections.

  6. e.g.: E220+CR2-S2 ESteel for machine construction and general use 220 Minimum2 yield stress 220 N/mm CR2 As-delivered condition welded and rolled to size, no heat treatment provided S2Surface condition pickled As-delivered condition: • +CR2welded and rolled to size; no subsequent heat treatment provided +N normalised (after welding

  7. Tubes made of the grades E190 E220 E260 E320 E370 and E420 shall be supplied in the delivery conditions +CR2. Categories: EN10305-2/3/5/6 Carbon Tubes Tags: welded carbon steel tube. Inquiry. Description. Chemical Composition & Mechanical Properties. Grand's Advantages. Inquiry.

  8. DI PRECISIONE. EN 10305-3 S1, S2, S3, S4. Marcegaglia is able to supply the widest offer in the world of welded and cold sized steel tubes for precision applications EN 10305-3 and EN 10305-5, to meet the needs of each market segment.

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