honed bore steel tubing Standard:DIN2391 En10305 ST52 ISOH8 Random length:4-6m Straightness:0.3-0.8mm/m Inside Roughness:0.2

 honed bore steel tubing

Standard	DIN2391
Material	Ck20 Ck45 ST52 25Mn 34CrMo4 27SiMn 20G
Straightness	0.3-0.8mm/m
Inside Roughness	0.4um
ID tolerance	H8-H9
WT tolerance	+/-8%
Delivery Condition	BKS(Stress Relieving)
Package	Bandle with steel strips and braiding parcel at outside.

Big client:Hyundai Excavator hydraulic cylinder barrel

 

Honed tube