Forged Steel Hollow Cylinder Sleeves
- Material Range: Covers carbon steels, alloy steels, stainless steels, and nickel-based alloys.
- Forging Capability: Up to 800 mm outer diameter and 500 mm length, depending on design.
- Tight Dimensional Control: Machining tolerance of ±0.02 mm ensures precise wall uniformity.
- Mechanical Properties: Yield strength up to 850 MPa; hardness 28–38 HRC.
- Certifications: ISO 9001, PED, and SGS approved.
Technical Specifications
| Parameter | Specification |
| Material | Nickel Alloys, Carbon Steel, Alloy Steel, Stainless Steel |
| Grades | AISI 4140, 4340, 316L, 304L, 42CrMo, 34CrNiMo6, S45C |
| Standard | DIN / GB / JIS / ANSI / ASTM |
| Outer Diameter | 100 mm – 800 mm (custom) |
| Wall Thickness | 10 mm – 100 mm |
| Length | Up to 500 mm |
| Tolerance | ± 0.02 mm |
| Hardness | HRC 28 – 38 (post-heat-treat) |
| Surface | Bright Machined/As-Forged |
| Inspection | UT / MT / Hardness / Dimensional |
| Certification | ISO 9001 / PED / SGS |
Customization & OEM Service
- Manufacture strictly per customer drawings and dimensional tolerances.
- Select steel grade, wall thickness, and heat-treatment type.
- Offer optional machining, threading, or bore finishing.
- Provide mechanical and hardness testing reports.
- Deliver OEM-branded packaging and labeling.
- Support prototype sampling and mass-production orders.
Applications
- Hydraulic and pneumatic cylinder bodies
- Pressure vessel covers and housings
- Bearing bushings and sleeves
- Oil & gas equipment and flanges
- Mining, marine, and construction machinery