- English
Buy premium Q345B BK+S material honed tubes directly from the manufacturer. Precision sizes, smooth finish, fast delivery, and competitive pricing. Request a free quote today!
Your Trusted Manufacturer of Q345B BK+S Honed Tubes
Looking for reliable Q345B BK+S material honed tubes for your hydraulic or pneumatic systems?
We are a direct factory supplier, specializing in manufacturing and exporting high-precision honed tubes made from Q345B steel with BK+S (cold drawn, stress-relieved) condition. Our products ensure excellent dimensional accuracy, smooth surface finish, and long service life.
✅ Material: High-strength Q345B steel
✅ Condition: BK+S (Cold Drawn + Stress Relieved)
✅ Tolerance: H8 Precise ID & OD for hydraulic cylinders
✅ Surface Roughness: Ra ≤ 0.4 μm
✅ Straightness: ≤ 0.3-1 mm/m
✅ Custom Lengths & Sizes Available
✅ Export-Grade Packing for safe delivery worldwide
Our Q345B BK+S honed tubes are widely used in:
Hydraulic cylinder tubes
Pneumatic cylinders
Engineering machinery
Automotive components
Industrial equipment
🏭 Direct Factory Prices – no middlemen
🧑🔧 Strict Quality Control – every tube is inspected
🚚 Fast Delivery – large stock & quick production
🌍 Worldwide Shipping – we export globally
📝 Customized Solutions – sizes & lengths made to order
| Parameter | Specification |
|---|---|
| Material | Q345B |
| Delivery Condition | BK+S (cold drawn + stress relieved) |
| Inner Diameter (ID) | 20 mm – 500 mm (customizable) |
| Wall Thickness | 2 mm – 50 mm (customizable) |
| Length | Up to 12 meters |
| Surface Roughness (Ra) | ≤ 0.4 μm |
| Straightness | ≤ 0.3-1 mm/m |
| Tolerance | H8 |
📩 Get a Free Quote Today!
Looking for a reliable supplier of honed tubes?
Contact us now for price, stock & delivery time.
📞 Phone/WhatsApp: +86-19533194241
📧 Email: lucia@powersenhydraulic.com
