Honed Tube,Burnished Tube 1.With high quality and low price 2.ID:30-1500mm W.T:2.5-55mm 3.Grade:20#, 45#, 16Mn, 25Mn 27SiMn

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/mTolerance 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.

Honed Tube,Burnished Tube