Rust-Proof 304 Stainless Steel Pipe Corrosion Resistant Seamless Tube for Chemical Industry
Product Details
| Surface Treatment: | Polished | Density: | 7.93g/cm3 |
|---|---|---|---|
| Tensile Strength: | ≥520Mpa | Surface: | No.1/2b/Ba/Hl/Polished/Mirror/8K |
| Material: | 304 Stainless Steel | Application: | Construction, Industry, Machine Building |
| Techniques: | Cold Rolled, Hot Rolled |
Product Description
Our precision seamless 304 stainless steel tubes are specially manufactured for aerospace, instrumentation, and high-performance industrial systems requiring excellent corrosion resistance, dimensional accuracy, and structural stability.
Made from premium ASTM 304 stainless steel, these thin-wall tubes feature:
- Thickness: 0.3mm–3mm
- OD Range: 6mm–50mm
- Surface: Bright Annealed / Polished
- Process: Hot Rolled + Precision Cold Drawn
- Type: Seamless
With high chromium and nickel content, 304 stainless steel offers strong oxidation resistance, formability, and clean internal surfaces for demanding fluid and gas transfer systems.
In aerospace and precision manufacturing, standard stainless steel tubes often face:
- Poor dimensional tolerance
- Surface oxidation after welding
- Internal weld seam weakness
- Low pressure resistance
- Inconsistent wall thickness in thin-wall tubing
These issues can affect assembly precision, system safety, and service life.
Our seamless 304 stainless steel tubes solve these challenges through:
- Seamless manufacturing for higher pressure resistance
- Precision tolerance control up to ±0.05mm
- Bright annealed smooth inner wall
- Strict ASTM/EN quality inspection
- Optional custom cutting and finishing
This makes them ideal for aerospace hydraulic lines, instrumentation tubing, and high-purity transport systems.
| Item | Value |
|---|---|
| Material | 304 / 304L Stainless Steel |
| Standard | ASTM A213 / A269 / A312 |
| Outer Diameter | 6mm–50mm |
| Thickness | 0.3mm–3mm |
| Length | 1000mm–6000mm or customized |
| Surface | BA / Polished / Pickling |
| Tolerance | ±0.05mm to ±0.1mm |
| Process | Hot Rolled + Cold Drawn |
| Type | Seamless |
| C | Si | Mn | P | S | Cr | Ni |
|---|---|---|---|---|---|---|
| ≤0.08 | ≤1.00 | ≤2.00 | ≤0.045 | ≤0.03 | 18.0–20.0 | 8.0–10.5 |
Widely used in:
- Aerospace hydraulic tubing
- Aircraft fuel systems
- Precision instrumentation
- Medical equipment
- Semiconductor gas lines
- Chemical transfer systems
- High-pressure fluid pipelines
304 stainless steel contains over 18% chromium and 8% nickel, forming a passive oxide layer on the surface.
This protective layer:
- Prevents corrosion
- Improves oxidation resistance
- Extends service life under harsh environments
Seamless construction eliminates weld defects and increases structural integrity under pressure and vibration.
When selecting aerospace stainless steel tubing, consider:
- Ultra-thin systems: 0.3–1mm
- Pressure applications: 1–3mm
Choose precision tubes with:
- OD tolerance ≤ ±0.05mm
Recommended:
- Bright annealed for clean systems
- Polished for visible applications
Check required standards:
- ASTM A213
- ASTM A269
- AMS / Aerospace specific requirements
Yes. 304 stainless steel is widely used in aerospace auxiliary systems, instrumentation, and fluid transfer lines due to corrosion resistance and strength.
Seamless tubes have no weld line, offering better pressure resistance, uniform wall thickness, and higher reliability.
Yes, custom OD, thickness, length, and surface finish are available.
We can provide:
- EN10204 3.1
- MTC
- PMI
- Third-party inspection
MOQ usually starts from 100kg, depending on size and customization.
Product Highlights
Precision 304 seamless stainless steel tubes for aerospace & chemical industries. Features ±0.05mm tolerance, ASTM certified, rust-proof construction, and custom sizes. Ideal for high-pressure fluid systems.
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