Model Number: Honed pipe
Type: Construction Tool Parts
Precision: H8, H9, H10
Material: St 52, CK 45, 27SiMn, 20# etc
Standard: DIN 2391, EN 10305, GB/T 8713 etc
Specification: ID 30 mm to ID 500 mm
Outer Diameter: 60 - 325 mm
Wall thickness: WT 2 mm to 50 mm
Anti-rust: Oil or varnish
Application: Hydraulic and pneumatic cylinder
Packaging Detail: Hipment in bundles Package: Plastic bag inside, hexagon steel strip bundle outside
Processing form: Cold-drawn, Cold-rolled, Hone, SRB

Processing mode	Diameter	Length	Linearity	Precision	Roughness of inner hole
Cold rolling	30-100	≤ 12M	0.3-1.0	H8-H10	0.4-1.6
Cold drawn	30-250	≤ 12M		H8-H10	0.8-1.6
Grinding	40-500	≤ 12M	1000	H8-H9	0.4-0.8
Rolling	40-400	≤ 7M		H8	0.4