Hydraulic Cylinder Honed Tube/Honed Tube/Burnished Tube       
Grade: ST 52,ST52.3,CK45,E355,16Mn,STKM13C,SAE1020,SAE1026,SAE1045

Metric size: 40 to 1000mm

Inch size: 1.5" to 20"

Length: max 12 Meter

Straightness: < 0.5 mm/m
Tolerance OD: DIN 2391

Tolerance INT: ISO H7, H8, H9

Roughness(Ra): < 0.8 Micron

Type: BK+S,high precision cold drawn,seamless honed,burnished .

High precision cold drawn tube(ready to honed tube) can also be supplied.