TPT March 2009

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March 2009 48
Technology Update
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Tüzün Çelik Boru AS, Turkey, produces
mechanical tubes, including stainless
steel tubing under the brand name Atinox.
The company uses raw material that is
mill-certified and procured from the main
suppliers of Europe.
The company’s mechanical stainless steel
tubes (round/square/rectangular) are high
frequency welded and not annealed. They
are used for ornamental/constructional
purposes and have brushed surface quality.
The company will shortly also be supplying
polished round tubes.
The stainless steel tubes are produced to
standards DIN 2395/EN 10219-2 (round
tubes) and DIN 17455 (square-rectangular
tubes). The company has an annual
capacity of around 10,000 tons. In addition
to domestic sales, the company exports to
Asia, Europe and Africa.
The surface of round tubes and squares/
rectangular tubes is longitudinal brushed as
standard. Special prepared grid 180, 240,
320, and 400 surfaces
are available upon
request. Round tubes
can also be sent as
mirror polished (also
known as 600G). The
internal weld bead
of round tubes is
cleaned as standard,
at diameter >/=32mm.
All sizes available from
stock are from steel
quality AISI 304/DIN
EN 1.4301, and can be
delivered immediately,
regardless of quantity.
Dimensions available
include round tubes
from 16 to 63.5mm, in
thicknesses from 0.9 to
2mm; square shaped
tubes from 15 x 15mm to 50 x 50mm, in
thicknesses from 1 to 3mm; and rectangular
shaped tubes from 20 x 10mm to 60 x
40mm, in thicknesses from 1 to 3mm.
Other qualities of AISI 400, 300 and 200
series are produced upon order. For
such orders, provided that the company’s
supplier has the requested material in
Stainless steel tubes in standard sizes
or produced to order
 Atinox stainless steel tubing