High Tolerance, Smooth Surface, Corrosion Resistant Seamless Precision Tubing for Industrial & Hydraulic Systems
1. Product Overview
Our stainless steel seamless precision tubes are cold-drawn, high-precision, smooth inner & outer surface pipes manufactured with strict dimensional tolerance. No welding seam, no oxidation layer, excellent pressure resistance and corrosion resistance. Widely used in hydraulic systems, instrumentation, aerospace, petroleum, chemical, medical equipment and high-precision mechanical industries.
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ITEM
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SPECIFICATION DETAILS
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Material Grade
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304、304L、316、316L、904L、2205
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Tolerance
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OD: ±0.05mm; WT: ±0.03mm (High precision level)
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Surface Finish
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Bright polished, Pickled, Annealed
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Production Process
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Cold drawn, Seamless, Hot rolled
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Standard
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ASTM A213, ASTM A269, EN 10216, GB/T 14976
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3. Key Features
- Zero Seam & Uniform Structure: No welding trace, uniform metal density, high pressure bearing capacity.
- Ultra-high Dimensional Accuracy: Strict tolerance control, perfect roundness & straightness.
- Smooth Inner Wall: Low fluid resistance, no residual impurity, suitable for hydraulic & gas transmission.
- Excellent Corrosion Resistance: Anti-rust, acid and alkali resistant, long service life.
- High Temperature & Pressure Resistance: Stable performance under extreme working conditions.
- Custom Processing: Cutting, polishing, threading, bending, deep processing support.
4. Application
✅ Hydraulic & Pneumatic System
✅ Instrumentation & Sensor Pipeline
✅ Medical Equipment & Food Machinery
✅ Aerospace & Automobile Parts
✅ Petrochemical & Energy Industry
✅ Precision Mechanical Engineering
5. Production & Quality Control
We are direct manufacturer of stainless steel seamless precision tubes. Every batch is strictly inspected by hydraulic pressure test, eddy current test, chemical composition analysis and dimensional detection. Full material certification, third-party inspection acceptable. Stable supply, short lead time, competitive factory price.
6. Packaging & Shipment
（1）Inner Packing:Anti-rust paper + plastic protective cap for pipe ends
（2）Outer Packing: Standard export wooden pallet or wooden box
（3）Shipping: Sea freight
（4）Port: NANSHA
7. Why Choose Us
- ✔ Strict precision tolerance for high-end industry demand
- ✔ Complete certification & test reports
- ✔ Free sample support, Custom size available
- ✔ 24/7 online technical support
8. Inquiry CTA
Please send us your required outer diameter, wall thickness, material grade and quantity. We provide free samples and customized processing solutions. Get the latest factory quotation within 24 hours.
