The European norm EN 10255 specifies the requirements for unalloyed carbon steel welded round tubes for welding and threading. The tubes, which are available in three series of thicknesses, are intended for use in hydro-thermo sanitary installations for the channelling of gas and water, in sprinkler or fire prevention systems, in both domestic and industrial system sectors.
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Manufacturing process:
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Longitudinal welding |
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Steel:
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S195T |
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End finishings:
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Plain Threaded with UNI EN 10226-1:2006, ex ISO 7/1 norm threads, with or without socket Grooving available on request |
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Scarfing:
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External |
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Internal bead height:
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As per the norm Scarfing with tighter tolerances available on request |
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Size range:
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From Ø 1⁄2” (21.3 mm) to Ø 6” (165.1 mm) |
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Manufacturing thicknesses:
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Standard as per the tables for the L1 - L2 - ME series |
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Surface finishings:
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Black Hot-dip galvanized as per EN 10240 Externally painted with water-based paint Externally painted with epoxy-powder paint Hot-dip galvanized as per EN 10240 and externally painted with epoxy-powder paint |
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Standard length:
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6000 mm. Customized lengths on request |
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Quality controls:
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Electromagnetic Non Destructive Testing (Eddy Current) Tensile test Bending test Flattening test |
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Standard marking:
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Black tube: hard stamped or ink marked as per norm requirements Galvanized tube: marked with blue ink as per norm requirements Painted tube: marked with black ink as per norm requirements |
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Documents:
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Certificate of conformity 2.2 as per the EN 10204 norm. 3.1B certificate on request |
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