Acciaitubi
Tubes
Welded gas and water tubes

Welded gas and water tubes

EN 10255

For plumbing and heating systems and sprinklers

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

longitudinal welding

Steel

S195T

Scarfing

external

Internal bead

height as per the norm
scarfing with tighter tolerances available on reques

Size range

from ø 1”1/2 (48,3 mm) to ø 6” (165,1 mm)

Thickness range

as indicated in the table attached

Ends finishings

plain
threaded with UNI EN 10226-1:2006, ex ISO 7/1 norm threads, with or without socket
groving available on request according to Victaulic standards (one or both ends)

Surface finishings

black
hot-dip galvanized as per EN 10240
externally painted with water-based paint, standard coating approx. 30-70 µm
externally painted with water-based paint, primer coating approx. 15-30 µm
externally painted with epoxy paint, standard coating approx. 80-140 µm
externally painted with epoxy paint, polyester coating approx. 80-140 µm

Standard length

6000 mm. Customized lengths on request.

Quality controls

Electromagnetic non destructive testing (Eddy Current)
Tensile test
Widening test

Bending test possible upon request

Standard marking

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
personalized marking to be evaluated upon request