Looking for high-strength, durable, and precision-made hydraulic cylinder tubes? Our JIS G 3473 Hydraulic Cylinder Tubes are designed to meet the most demanding industrial and hydraulic applications, ensuring exceptional performance, longevity, and reliability.
Why Choose Our JIS G 3473 Hydraulic Cylinder Tubes?
High-Quality Material – Made from premium carbon steel (STKM 13A, STKM 13B, STKM 13C) for superior strength and wear resistance.
Precision Honing & Grinding – Smooth inner surface (Ra ≤ 0.4μm) for optimal sealing and reduced friction.
Strict Compliance with JIS G 3473 Standards – Guaranteed dimensional accuracy and mechanical properties.
Excellent Pressure Resistance – Withstands high-pressure hydraulic systems without deformation.
Wide Range of Sizes – Available in various outer diameters (OD: 30mm – 500mm) and wall thicknesses to fit your needs.
Seamless & Welded Options – Choose between seamless (better for high pressure) or welded (cost-effective) based on your requirements.
Applications of JIS G 3473 Hydraulic Cylinder Tubes
✔ Hydraulic Cylinders (Construction, Mining, Agriculture)
✔ Industrial Machinery & Automation Systems
✔ Oil & Gas Equipment
✔ Heavy-Duty Vehicles & Mobile Equipment
✔ Press Machines & Injection Molding Systems
Technical Specifications
| Property | Details |
| Standard | JIS G 3473 |
| Material Grades | STKM 13A, STKM 13B, STKM 13C |
| Outer Diameter (OD) | 30mm – 500mm |
| Wall Thickness | 3mm – 40mm |
| Surface Finish | Honed, Skived & Rolled, Cold Drawn |
| Tensile Strength | 410 MPa – 510 MPa |
| Elongation | ≥ 25% |
| Elongation | ≤ 156 HB |
Competitive Advantages Over Other Suppliers
🔹 Strict Quality Control – Every tube undergoes ultrasonic testing, hydrostatic testing, and dimensional inspection.
🔹 Customization Available – We provide cut-to-length, chamfering, and special coatings upon request.
🔹 Fast Delivery & Global Shipping – Ready stock for quick shipment worldwide.
🔹 Competitive Pricing – High-quality tubes at factory-direct prices.






