Materials: Stainless Steel: SUS304,SUS316,SUS321,SUS310 Copper: T2、H62、H65、H68 Special Materials Are Available on Request. Size / Specification: (D: Outside diameter d: Inside diameter T: Wall thickness L: Length) Max.camber. h / l ≤ 3mm / m D Max. 10.00mm Min. 0.20mm Min.tolerance. ±0.005mm T Max. 1.00mm Min. 0.05mm Min.tolerance. ±0.005mm L Max. 5000.00mm Min. 5.00mm Man.tolerance. ±0.20mm