ASTM A312 304L (UNS S30403) Stainless Steel Pipe
Top 304L Stainless Steel Pipe Manufacturer in China
ASTM A312 304L (UNS S30403) stainless steel pipe delivers exceptional corrosion resistance, weldability, and durability. Ideal for chemical, food, and marine industries, it is available in seamless or welded configurations, supporting various sizes, finishes, and pressure ratings to meet diverse application needs.
Discover high-quality 304L Stainless Steel Pipe products here.
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Characteristics of 304L Stainless Steel
- Corrosion Resistance: 304L stainless steel pipe offers excellent resistance to corrosion, making it suitable for various environments, including chemical and marine applications.
- Low Carbon Content: The reduced carbon content minimizes carbide precipitation during welding, enhancing its resistance to intergranular corrosion.
- Weldability: 304L is highly weldable, allowing for seamless and durable joints without the need for post-weld annealing.
- Durability: Known for its strength and long lifespan, it performs well under demanding conditions.
- Versatility: Available in seamless, welded, and fabricated forms, it supports a wide range of industrial applications.
- Formability: Its excellent formability allows for easy shaping, bending, and fabrication into complex designs.
- Temperature Resistance: Withstanding high temperatures, it is ideal for heat exchangers and other thermal applications.
- Hygienic Properties: Its smooth surface and resistance to contamination make it suitable for food and pharmaceutical industries.
ASTM A312 (UNS S30403) Stainless Steel Technical Specifications
| Element | Min (%) | Max (%) |
|---|---|---|
| Carbon (C) | - | 0.03 |
| Chromium (Cr) | 18 | 20 |
| Nickel (Ni) | 8 | 12 |
| Manganese (Mn) | - | 2 |
| Silicon (Si) | - | 0.75 |
| Phosphorus (P) | - | 0.045 |
| Sulfur (S) | - | 0.03 |
| Nitrogen (N) | - | 0.1 |
| Iron (Fe) | Balance | Balance |
| Property | Value |
|---|---|
| Tensile Strength (MPa) | 485 (min) |
| Yield Strength (MPa) | 170 (min) |
| Elongation (% in 50mm) | 40 (min) |
| Hardness (Rockwell B) | 92 (max) |
| Hardness (Brinell) | 201 (max) |
| Property | Value |
|---|---|
| Density (g/cm³) | 7.93 |
| Melting Point (°C) | 1400 - 1450 |
| Thermal Conductivity (W/m·K) | 16.2 |
| Specific Heat Capacity (J/g·°C) | 0.5 |
| Electrical Resistivity (μΩ·cm) | 72 |
- ASTM: A312
- UNS: S30403
- EN / DIN: 1.4306 / 1.4307
- JIS: SUS 304L
- BS: 304S11
- AFNOR: Z3CN18‐10
Common Applications of A312 304L Stainless Steel
Water Treatment
Architecture
Pharmaceuticals
Food & Beverage
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304L Stainless Steel Pipe Customization
Beyond standard stock, we provide comprehensive processing services to deliver products that meet your exact project requirements.
- Custom Dimensions: Tailored lengths, diameters, and shapes to your specifications.
- Thickness Range: From Schedule 5 to Schedule XXS, accommodating diverse applications.
- Surface Finishing: Polished, brushed, matte, or custom finishes for specific needs.
- Processing Services: Cutting, beveling, threading, welding, and custom fabrication.
Contact our technical team to discuss your custom fabrication needs in detail.
Contact Us
Your project’s success depends on quality materials. We provide certified ASTM A312 304L (UNS S30403) stainless steel pipes that meet strict standards, ensuring performance and durability. As your partner, we combine a large inventory with advanced processing to deliver solutions tailored to your needs, from stock to custom components. With us, you get more than a product—you get quality and reliability.
Ready to start? Contact our team for a quote and expert consultation. We’re here to discuss your needs and provide a solution with competitive pricing and fast delivery. Let us simplify your procurement and support your project with premium materials. Send your inquiry now to secure the stainless steel pipes you need.
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