Products name: Honed tubes, big honed tubes, boring and turning tubes, machined honed tubes, seamless honed tubes, machined honed pipes, turning and boring honed tubes,honed pipe, honed pipe for hydraulic cylinder, hydraulic cylinder tube, hydrauic cylinder pipe, seamless honed steel pipe, honed steel pipe, honed steel tube, cylinder tube, cylinder pipe, pneumatic cylinder tube, pneumatic cylinder honed tube

Material: A106B,C20,ST52,ST45,CK45,E355,E255,Q345B,Q345D,4140,42CrMo,27SiMn

Delivery condition: BK, BKS, NBK,GBK

Diameter Range: 70-2000mm

Length : 300 to 15000mm

Type: seamless, hot rolled, cold drawn, boring and turning or forged

Straightness: ≤0.5/1000mm

Roughness : 0.2-0.4um

Tolerance for OD: DIN2391, EN10305

Tolerance for ID : H8, H9

Other requirements: Depends on customer exact requirement.