HYDRAULIC CYLINDER TUBE – ST52 & ST52.3We are supplier of Seamless Honed or SRB tubes for Hydraulic cylinders.We work with main and internationally well-known manufacturer who provide countable and qualified products.Product’s Specification:Description: Inside skived and roller-burnished (SRB) or honed seamless tube for manufacturing of hydraulic cylinders.Material: Cold-drawn or hot-rolled seamless tube E355 (ST52-3) +SR (BK+S) / +ARTolerance ID: ISO H8 Roughness: Ra ≤ 0.4μm Straightness: 0.5/1000mmRelated Standards: According to EN10305-1 (ex DIN 2391) for cold-drawn tubes.EN10297-1/EN10220 (ex DIN1629/DIN2448) for hot-rolled tubes.