info@borubar.com.tr

HONING TUBES

READY FOR HONING TUBES

MAIN MATERIALS

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 )

Diameter:
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	350x400mm

CIRQUIT PİPES FOR OIL TRANSFERING

Main Materials:

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