Black tubesUNI EN 10219
S235 – S275 – S355
round, square, rectangular, oval and semi-oval sections, window supports
Sendzimir steel tubes (from galvanised strips) EN 10035 DX51
round, square, rectangular, oval and semi-oval sections, window supports, rotation stoppers
Pickled tubes EN 10035 – DD11
round, square, rectangular, oval and semi-oval sections, window supports