Internal diameter accuracy:H7,H8,H9.
Internal diameter range:18mm-400mm.
Grade:EN1.0580,E355,DIN2391 ST52,SAE1020,JIS STKM13C.
Internal roughness:Max Ra0.2μm.
Straightness:1-1.2/1000mm.
Roundness:Tolerancex1/2.
Length:3-5.8M.
Package:rust proof oil coveraged.
MOQ: 2000KG.
Application: hydraulic cylinder.
Processing Service:Bending, Punching, Cutting, Annealing and Straightening.
If you need more details, please contact us in any time.
Email: sdsteelpipe@hotmail.com, yunus_cao@hotmail.com
Whatsapp/wechat/Line:+86 158 0696 5926