They are made according to en 10216-1 (ex uni 663/68) and en 10305-1 (ex din 2391), en 10216-1 (ex din 1630) tolerance in accordance with en 10305-1 (ex uni 7945) certificates in accordance with din 50049/3.1b and uni en 10204/3.1
Steel st 35.4/37.4 bonderized and normalized, steel fe 35.2 annealed and fe 45.2 normalized or annealed. Plug closed ends. Precision tolerances en 10305-1 (ex din 2391/c) enable the application of the safe unions. surfaces are efficaciously protected against oxidation through bonderization and the perfect annealing guarantees an easy cold bending.
Seamless and welded, steel, threaded, with junction sleeve EN 10255: 2007 (EX uni 8863/87).
Threaded, with junction sleeve EN 10255: 2007 (EX uni 8863/87) (execution corresponding to the ISO / R Light Series II recommendation).
Seamless and welded, steel, threaded, with junction sleeve EN 10255: 2007 (EX uni 8863/87).
Steel pipes for black and galvanized water and gas
high grade seamless steel tubes, plain for high working pressure, steel fe 45-1 en10216-1 (ex uni 7088/72)
seamless steel tubes for general use – boiler tubes en 10216-1(ex uni 7287/86)
Seamless and welded steel tubes according to ansi b 36.10 welded rectangular and square tubes.
Seamless structural steel tubes e 355 en 10297-1 (exfe 510 – uni 7729 / st 52.0 – din 1629)
E 355 EN 10297 – 1 (ex Fe 510 – UNI 7729 / ST 52.0 – DIN 1629)
Standard EN 10253-1 / 2 (ex UNI 7929/79).
Seamless and welded in unalloyed steel, without quality requirements.
Material:
Delivery State:
Crude – painted – externally coated with bitumen and glass reinforcement – with rounded ends according to ANSI B 16.25 standards
Seamless and welded stainless steel tubes. Quality TP 304 / 304L and TP 316 / 316L