Carbon Steel Forged Sleeves Hot Rolled Cylinder

Product snapshot A one-piece, hot-rolled and open-die-forged carbon-steel cylinder, finish-machined to H7/H8 tolerances, with a maximum overall length of 1 200 mm. Designed as a ready-to-press-in sleeve for hydraulic rams, mining cylinders, fan housings and heavy-duty pivot bushings.     Material range AISI 1020 / C22, 1045 / C45, 1050 / CK50, S355J2G3 / ST52-3 Vacuum-degassed, ladle-refined; full traceability to EN 10204 3.1 or ASTM A788 Typical forged hardness 150–200 HB (as-rolled) → Q+T to 220–280 HB on request Forging & rolling highlights 4 000 t open-die press + 3-roll radial expander → 3 : 1 minimum reduction Hot-rolled wall uniformity ±2 mm, fully killed structure, zero central porosity As-forged OD 120 – 600 mm, wall 15 – 100 mm; length up to 1 200 mm in single heat Machining capability CNC boring & turning: ID tolerance H8, OD h7, concentricity ≤ 0.05 mm Surface finish Ra 1.6 µm standard; 0.4 µm optional honing or skiving Chamfers, grooves, O…

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