High frequency electrically welded tubes for precision applications

Polished and galvanized carbon steel tubes

We produce steel tubes round, square, rectangular, oval, semi-oval, octagonal, elliptical, special formed tubes.

Round steel tubes

Round steel tubes

Square steel tubes

Square steel tubes

Rectangular steel tubes

Rectangular steel tubes

Oval steel tubes

Oval steel tubes

Semi-oval steel tubes

Semi-oval steel tubes

Elliptical steel tubes

Elliptical steel tubes

Steel tubes with special variants

Steel tubes with special variants

Surface finishings S2/S3/S4

Material number European norm Quality
Surface finishings S2 /S3/S4
1.0033 EN10305  E 155 +CR1
1.0034 E 195 +CR1
1.0308 E 235 +CR1
1.0225 E 275 +CR1
1.0580 E 355 +CR1

Chemical composition

C % max Si % max Mn % max P % max S % max
0,220 0,500 1,700 0,045
(0,10 for zinc-coated products)
0,045

Mechanical characteristics

Material number Den. Quality RM break Al %
    N/mm2 min N/mm2 max min
1.0033 E 155 + CR1 290 ~ 15
1.0034 E 195 +CR1 330 ~ 8
1.0308 E 235 +CR1 390 ~ 7
1.0225 E 275 + CR1 440 ~ 6
1.0580 E 355 +CR1 540 ~ 5

NB. The following tables are shown by way of example and not exhaustive. For the types of finished product, according to EN10305, not included in this table, please contact us.