Click image to view full size image
the size range(I.D): 63mm~250mm
The tolerance of O.D: According to DIN 2391( EN10305-1)
I.D: ISO H8.
Roughness:0.4 microns(max), average: less than 0.2 micron
The max length: 9m.
Straightness: 0.8/1000 or better.
Delivery condition: ST52 BKS, E355 SR.
Certificate: EN10204 3.1
Steel grade: ST 45,ST 52, E355,SAE1026,SAE1045 STKM13C and etc.
Precision Honed Tubes
