ASTM A269 TP304 Stainless Steel Tubes
ASTM A269 TP304 Stainless Steel Tubes are high-quality austenitic stainless steel seamless and welded tubes designed for general corrosion-resistant and high-temperature applications. Known for their excellent formability, durability, and superior resistance to oxidation, these tubes are widely used in industries such as food processing, chemical, petrochemical, pharmaceuticals, and heat exchangers. The low carbon content and balanced alloy composition make TP304 tubes ideal for applications requiring cleanability, sanitary performance, and long-term reliability.
Key Features
- Excellent Corrosion Resistance in a wide range of media
- High Temperature Strength & Oxidation Resistance
- Good Weldability and Formability
- Clean Surface Finish Suitable for Hygienic Applications
- Available in Seamless & Welded Conditions
- Superior Mechanical Properties and Long Service Life
Equivalent Grades
| Standard | Equivalent Grade |
|---|---|
| ASTM | 304 |
| UNS | S30400 |
| EN | 1.4301 |
| JIS | SUS 304 |
| GOST | 08Х18Н10 |
Available Sizes
- Outer Diameter: 6 mm to 114 mm
- Wall Thickness: 0.5 mm to 6 mm
- Length: Up to 12 meters
- Custom sizes available upon request
ASTM A269 TP304 Chemical Composition (TP304)
| Element | % (Max/Min) |
|---|---|
| Carbon (C) | 0.08 max |
| Manganese (Mn) | 2.00 max |
| Phosphorus (P) | 0.045 max |
| Sulfur (S) | 0.030 max |
| Silicon (Si) | 0.75 max |
| Chromium (Cr) | 18.0 – 20.0 |
| Nickel (Ni) | 8.0 – 10.5 |
| Nitrogen (N) | 0.10 max |
ASTM A269 TP304 Mechanical Properties
| Property | Value |
|---|---|
| Tensile Strength | 515 MPa (min) |
| Yield Strength | 205 MPa (min) |
| Elongation | 35% (min) |
| Hardness (HBW) | 201 max |
ASTM A269 TP304 Physical Properties
| Property | Value |
|---|---|
| Density | 8.0 g/cm³ |
| Melting Point | 1400 – 1450°C |
| Thermal Conductivity | 16.2 W/m·K |
| Electrical Resistivity | 0.72 µΩ·m |
| Modulus of Elasticity | 193 GPa |
Types of ASTM A269 TP304 Tubes
- Seamless Tubes
- Welded Tubes
- Cold Drawn Tubes
- Heat Exchanger Tubes
- Instrument Tubing
- Bright Annealed Tubes
- Polished Tubes (180, 240, 320, 400 Grit)
Applications
- Heat Exchangers & Condensers
- Dairy & Food Processing Equipment
- Pharmaceutical Processing Lines
- Chemical & Petrochemical Industries
- Fertilizer Plants
- Oil & Gas Equipment
- Pulp & Paper Industry
- Automotive & Instrumentation Tubing
- Brewery & Beverage Processing
- General Engineering & Structural Use
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