Acciaitubi
Tubes
Seamless gas and water tubes

Seamless 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 threading.
The tubes, available in two 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 the domestic and industrial sectors.

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Manufacturing process

seamless

Steel

S195T.

Scarfing

external

Internal bead height

as per the norm

Size range

from ø 1”1/2 (48,3 mm) to ø 4” (114,3 mm)

Thickness range

as indicated in the table

End 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 coaµapprox. 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) or hydrostatic test
tensile test
widening test 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