Hydraulic tube

carbon steelmining and quarryingconstruction

Product Overview
SAE1045 Honed Tube is a precision steel tube widely used in hydraulic cylinders for its strength, wear resistance and dimensional accuracy. The honed internal surface ensures optimal sealing, reduced friction and extended component life. Suitable for construction, mining, agriculture and industrial hydraulic applications.

Advantages of SAE1045 Honed Tube

• High strength and durability: Medium carbon SAE1045 provides reliable tensile strength and toughness for demanding hydraulic environments.
• Excellent wear resistance: Smooth bore minimizes friction and reduces premature seal and piston wear.
• Precision dimensional tolerance: Tight ID tolerance supports accurate cylinder assembly and consistent hydraulic performance.
• Extended service life: Improved fatigue resistance lowers maintenance frequency and downtime.
• Good machinability: SAE1045 offers favorable machining and welding characteristics for custom cylinder manufacturing.
• Cost-effective solution: Balances material performance with affordability for stockists and procurement.

Production Process of SAE1045 Honed Tube

• Raw material selection: High-quality SAE1045 seamless steel tubes selected for consistent mechanical properties.
• Cold drawing / hot rolling: Tubes are drawn or rolled to target dimensions and structure.
• Boring and rough machining: Inner diameter is machined in preparation for precision honing.
• Heat treatment: Stress-relieving and normalizing applied to improve hardness and stability.
• Honing process: Precision honing machines produce a fine ID finish, achieving Ra 0.2–0.4 μm.
• Skiving and roller burnishing (optional): Applied when tighter tolerances or mirror finishes are required.
• Dimensional inspection: Each tube is checked for roundness, straightness and ID tolerance.
• Surface protection: Anti-rust oil coating applied for safe long-term storage and export.

Applications of SAE1045 Honed Tube

• Hydraulic cylinders for excavators, loaders, dump trucks and construction equipment.
• Industrial machinery such as presses, injection molding machines and automation systems.
• Agricultural equipment including tractors, harvesters and hydraulic lifting systems.
• Mining equipment: cylinders for drilling rigs, coal mining machines and underground loaders.
• Marine applications: hydraulic steering systems and offshore lifting equipment.
• Energy sector: wind power, hydropower and other heavy-duty hydraulic systems.

Factory Inventory and Supply
Large inventory of standard SAE1045 honed tubes available, with the capability to manufacture non-standard dimensions and tolerances on request. Focus on fast delivery and experience with international export.

Quality Inspection & Testing

• Dimensional accuracy test: Verification of ID, OD and tolerances.
• Surface roughness measurement: Ensuring Ra 0.2–0.4 μm finish.
• Straightness & roundness test: Guaranteeing smooth piston movement in cylinders.
• Hardness & mechanical testing: Tensile strength, yield and elongation checks.
• Salt spray test (optional): Corrosion resistance verification if required.

Certificates
Complies with international standards and certifications including ISO 9001:2015, GL approval for material manufacturers (AMM), third-party inspection reports (SGS, BV or customer-specified agencies) and Mill Test Certificates (MTC) supplied with each batch for traceability.

Technical specifications

• Model: Honed Tube
• Brand: EAST AI
• Material: SAE1045
• Length: Max. 13 m
• ID Tolerance: H8~H10
• Straightness: 0.5/1000
• Application: Hydraulic cylinders for mobile equipment, industrial machinery and heavy-duty systems
• Packing: Wooden cases
• Roughness: ≤0.4 μm
• Internal surface finish: Smooth bore (Ra 0.2–0.4 μm)