ASTM A240 904L (UNS N08904) Stainless Steel Pipe
Top 904L Stainless Steel Pipe Manufacturer in China
ASTM A240 904L (UNS N08904) stainless steel pipe is a superaustenitic alloy with excellent corrosion resistance, especially in chloride-rich and acidic environments. Its high nickel, chromium, and molybdenum content ensures durability and strength, making it ideal for chemical processing, marine, and industrial applications. With superior resistance to stress and crevice corrosion, it is a reliable choice for demanding conditions.
Discover high-quality 904L Stainless Steel Pipe products here.
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Characteristics of 904L Stainless Steel
- Corrosion Resistance: Exceptional resistance to chloride, seawater, and acidic environments, including sulfuric and phosphoric acids.
- High Strength: Superior mechanical properties with excellent tensile and yield strength.
- Durability: Long-lasting performance in harsh and corrosive conditions.
- Stress Corrosion Resistance: High resistance to stress and crevice corrosion cracking.
- Weldability: Easily welded using conventional methods without pre- or post-heat treatment.
- Low Carbon Content: Minimizes carbide precipitation, reducing intergranular corrosion risks.
- Versatility: Suitable for chemical, marine, and industrial applications.
- Heat Resistance: Maintains structural stability up to moderate temperatures.
ASTM A240 (UNS N08904) Stainless Steel Technical Specifications
| Element | Composition (%) |
|---|---|
| Carbon (C) | ≤ 0.020 |
| Manganese (Mn) | ≤ 2.00 |
| Phosphorus (P) | ≤ 0.045 |
| Sulfur (S) | ≤ 0.035 |
| Silicon (Si) | ≤ 1.00 |
| Nickel (Ni) | 23.0 - 28.0 |
| Chromium (Cr) | 19.0 - 23.0 |
| Molybdenum (Mo) | 4.0 - 5.0 |
| Copper (Cu) | 1.0 - 2.0 |
| Property | Value |
|---|---|
| Tensile Strength | ≥490 MPa |
| Yield Strength | ≥220 MPa |
| Elongation | ≥35% |
| Hardness | 70-90 HRB |
| Property | Value |
|---|---|
| Density | 7.9 g/cm³ |
| Elastic Modulus | 190 GPa |
| Thermal Conductivity | 11.5 W/m·K |
| Specific Heat (0-100°C) | 500 J/kg·K |
| Melting Point | 1300-1390°C |
- ASTM: A240
- UNS: N08904
- EN / DIN: 1.4539
- JIS: SUS 890L
- BS: 904S13
- AFNOR: Z2 NCDU 25-20
Common Applications of 904L Stainless Steel
Chemical Processing
Marine Industry
Oil & Gas
Power Generation
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904L Stainless Steel Pipe Customization
Beyond standard stock, we provide comprehensive processing services to deliver products that meet your exact project requirements.
- Custom Dimensions: Available in sizes ranging from 1/4″ to 60″ diameter, tailored to your specifications.
- Thickness Range: Extensive options from 0.5mm to 50mm to suit diverse applications.
- Surface Finishing: Polished, brushed, pickled, mill finish, or customized finishes for specific environments.
- Processing Services: Precision cutting, welding, bending, heat treatment, and custom fabrication.
Contact our technical team to discuss your custom fabrication needs and ensure the perfect solution for your project.
Contact Us
Your project’s success depends on premium materials. We provide certified ASTM A240 904L (UNS N08904) stainless steel pipes that meet stringent industry standards, ensuring superior corrosion resistance, durability, and performance for your critical applications. As your trusted partner, we combine a vast inventory with advanced processing capabilities to deliver solutions tailored to your exact needs, from standard stock to fully customized components. With us, you receive not just a product, but a commitment to excellence and reliability for your most challenging projects.
Ready to take the next step? Contact our expert team for a detailed, no-obligation quote and professional material consultation. We are here to discuss your technical requirements and provide a tailored solution with competitive pricing and timely delivery. Let us simplify your procurement process and help bring your project to life with the support it deserves. Send your inquiry today to secure the high-quality materials you need.
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