* Cold Drawing Available For Diameters:

6 mm to 400 mm

* Cold Drawing Available For Lenghts:

2 m to 14 m

* Annual cold drawing capacity 10.000 TONS


Seamless St52 E 355 SR or St 52 BK S
Mono action telescopic for trucks Inner surface is ready for to use and the ID tolerence is 0,00 + 0,20 mm Outer diameter comes with 2 mm remove stock for machining, grinding and chrome plating purposes.

In-stock Standard Sizes are as Follows:

36 x 57 mm 60 x 77 mm 80 x 97 mm 100 x 117 mm
120 x 137 mm 140 x 162 mm 165 x 188 mm 190 x 215 mm

Short lenght telescopic tubes, for agricultural machinery and other uses, are also available. Inner surfaces of these tubes are ready-to-use and Outer diameter comes with 1 mm remove stock for machining , grinding and chrome plating purposes.

50 x 61 mm 65 x 76 mm 80 x 91 mm
95 x 106 mm 110 x 126 mm 130 x 145 mm

Double action telescopic cylinders, for garbage trucks and other purposes, ae also avilable. Inner surfaces of these tubes are honed or burnished to have Ra 0,4-0,8 micron roughness. Outer surfaces have 2 mm remove stock for machining, grinding and chrome plating purposes.

63 H8 mm x 77 mm 90 H8 mm x 107 mm 120 H8 mm x 137 mm



St52 BK+S (E355 SR)

After cold drawing the tubes are subjected to stress relief heat treatment.
We offer 2 types of production;
* Ready for honing tubes:
ID tolerance -0, 2 mm -0,3 mm
* Ready for burnishing tubes:
ID tolerance -0,6 mm – 0,9 mm
Please see H8 Tube sizes.
The tubes are cold drawn, heat treated and straightened (1/1000)

Diameter Range:

50 mm to 400 mm
Standard length is 6m-9m;

We offer tubes upto 14 meters by request.

Standart Lenght:

Hydraulic cylinder tubes ID burnished, H8 seamless stell tubes are for hydraulic cylinders.

Standart Lenght:

6m -9 m (tubes upto 14m are available by request )

50 mm to 400 mm Surface Raughness:
0,4 micron – 0,8 micron Inner surfaces of the tubes are oiled for to prevent oxidation six months.

40x50 mm 50x60 mm 50x65 mm 60x70 mm 60x75 mm
60x80 mm 70x80 mm 70x85 mm 70x90 mm 75x90 mm
80x90 mm 80x95 mm 80x100mm 90x105mm 90x110mm
100x115mm 100x120mm 100x125mm 110x125mm 110x130mm
115x130mm 120x135mm 120x140mm 120x145mm 125x140mm
125x150mm 130x150mm 130x160mm 140x160mm 140x170mm
140x165mm 150x170mm 150x180mm 160x180mm 160x185mm
160x190mm 170x200mm 180x200mm 180x210mm 190x215mm
200x220mm 200x230mm 200x245mm 220x245mm 220x270mm
250x280mm 250x300mm 280x325mm 300x350mm 320x377mm



St 37.4 seamless stell tubes.

This cirquit pipe has normalized condition after cold drawing.
To band is very easy and during the bending they have not cracks bcs of normalized.

6x1 mm 8x1 mm 10x1 mm 10x1.5 mm 12 x 1.5 mm
12 x 2 mm 14 x 1.5mm 14 x 2mm 15 x 15mm 15 x 2mm
16 x 2 mm 18 x 1,5 mm 18 x 2 mm 20 x 2 mm 22 x 2 mm
25 x 2 mm 25 x 2,5 mm 28 x 2 mm 30 x 3 mm 35 x 3 mm
42 x 3 mm