40Cr Honed Tube
40Cr Honed Tube is a high-performance steel tube widely used in hydraulic cylinders and precision engineering applications. Known for its excellent strength, wear resistance, and smooth internal surface, it ensures reliable sealing, long service life, and stable performance. This makes 40Cr Honed Tube the preferred choice for distributors, stockists, and engineering companies seeking durability and efficiency.
Model:Honed Tube
Brand:EAST AI
Material:40Cr
Length:Max. 13m
ID Tolerance:H8~H10
Straightness:0.5/1000
Application:Hydraulic cylinders for mobile equipment, industrial machinery, and heavy-duty systems
Packing:Wooden cases
Roughness:≤0.4u
Product Description
Advantages of 40Cr Honed Tube
Choosing 40Cr Honed Tube brings multiple advantages compared to standard carbon steel honed tubes:
High Strength & Toughpness
40Cr alloy steel ensures excellent load-bearing capacity and resistance to impact.
Superior Wear Resistance
Suitable for high-frequency and heavy-duty hydraulic applications.
Precision Honed Surface
Smooth bore ensures low friction and efficient hydraulic sealing.
Extended Cylinder Life
Reduces wear on seals and pistons, increasing service life.
Heat Treatment Capability
40Cr can be quenched and tempered to improve hardness and durability.
Versatile Applications
Ideal for construction machinery, mining equipment, lifting platforms, and industrial hydraulics.
Production Process of 40Cr Honed Tube
To ensure superior quality and consistency, 40Cr Honed Tubes undergo a rigorous production process:
Raw Material Selection
High-quality 40Cr alloy steel seamless pipes are sourced.
Cold Drawing / Hot Rolling
Improves mechanical properties and refines tube dimensions.
Heat Treatment (Quenching & Tempering)
Enhances hardness, strength, and fatigue resistance.
Boring
Prepares inner bore for honing by removing irregularities.
Honing
Precision honing achieves accurate dimensional tolerance and smooth surface finish.
Skiving & Roller Burnishing (Optional)
Enhances surface roughness and bearing properties.
Straightening
Ensures tube alignment and dimensional accuracy.
Inspection
Dimensional, mechanical, and surface finish testing.
Packing & Storage
Rust-proof packaging for safe storage and transport.
Applications of 40Cr Honed Tube
40Cr Honed Tubes are engineered for demanding hydraulic and industrial applications where strength, durability, and precision are critical. Common applications include:
Hydraulic Cylinders
Excavators, loaders, bulldozers, and construction machinery.
Mining Equipment
Rock drills, hydraulic supports, and coal mining machinery.
Industrial Machinery
Press machines, injection molding machines, and forging equipment.
Lifting Platforms & Cranes
Hydraulic jacks and telescopic cylinders.
Agricultural Machinery
Tractors, harvesters, and hydraulic implements.
Energy Sector
Hydraulic systems in wind, hydro, and oilfield equipment.
Factory Inventory & Supply Capability
As a professional supplier of hydraulic tubing, we maintain large stock inventory of 40Cr Honed Tubes to meet urgent orders and fast delivery needs.
Regular Stock Sizes
Widely used diameters are available for immediate dispatch.
Custom Machining
Cutting, deep hole boring, honing, and roller burnishing upon request.
Strong Production Capacity
Advanced honing and skiving machines ensure monthly output stability.
Global Supply Chain
Export experience covering Europe, Southeast Asia, Middle East, and South America.
Quality Inspection & Testing
To guarantee reliability, every 40Cr Honed Tube undergoes strict testing before delivery:
Dimensional Inspection
OD, ID, and wall thickness measured with precision instruments.
Surface Roughness Test
Ra value checked to ensure smooth bore finish.
Hydraulic Pressure Test
Verifies tube strength under working pressure.
Mechanical Properties Test
Tensile strength, hardness, and elongation testing.
Ultrasonic & Eddy Current Testing
Detects internal and surface flaws.
Salt Spray Test (Optional)
Confirms anti-rust and corrosion protection.
