Blind Hole Cylinder Sleeves
- Material Range: Carbon, alloy, and stainless steels (AISI 4140, 4340, 316L, 304L, 42CrMo, 34CrNiMo6, S45C).
- Size Capability: Produced strictly per customer drawings; outer diameter ≤ 800 mm, bore depth ≤ 500 mm typical.
- Certificates: ISO 9001, PED, and SGS approved.
- Reports Supplied: Hardness, UT/MT, mechanical, and dimensional reports with each batch.
Technical Specifications
| Parameter | Specification |
| Material | Carbon Steel / Alloy Steel / Stainless Steel / Nickel Alloys |
| Grades | AISI 4340, AISI 4140, 42CrMo, S45C, 100Cr6, 34CrNiMo6, 316L, 304L |
| Standard | DIN / GB / JIS / BA / ANSI |
| Outer Diameter | Up to 800 mm (custom) |
| Bore Depth | 30 – 500 mm (blind hole) |
| Forging Method | Open Die / Free Forging |
| Heat Treatment | Quenched & Tempered / Normalized |
| Surface | Bright Machined / As Forged |
| Tolerance | ±0.02 mm (machined) |
| Inspection | UT / MT / Hardness / Dimension |
| Certification | ISO 9001, PED, SGS |
Customization & OEM Service
- Produce per customer drawings and tolerance requests.
- Choose steel grade, forging standard, and heat-treatment method.
- Define outer diameter, wall thickness, and blind bore depth.
- Specify surface condition (as-forged or machined).
- Provide machining, drilling, and thread finishing.
- Deliver full documentation and material traceability.
- Support sample 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