ASTM A240 321 (UNS S32100) Stainless Steel Coil
Top 321 Stainless Steel Coil Manufacturer in China
ASTM A240 321 stainless steel coils offer excellent corrosion resistance, high-temperature stability, and superior intergranular corrosion protection. Ideal for aerospace, chemical, and industrial applications, they are available in customizable dimensions and finishes like 2B and BA. Engineered for durability and performance, these coils ensure reliability in demanding environments.
Discover high-quality 321 Stainless Steel Coil products here.
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Characteristics of 321 Stainless Steel
- Corrosion Resistance: Excellent resistance to intergranular corrosion and oxidation up to 1500°F.
- High-Temperature Stability: Performs reliably in temperatures ranging from 800–1500°F.
- Durability: Enhanced strength and toughness, even in extreme conditions.
- Chemical Resistance: Withstands exposure to weak acids and phosphoric acid at medium temperatures.
- Weldability: Superior weldability with reduced risk of carbide precipitation.
- Customizability: Available in various thicknesses, widths, and surface finishes like 2B and BA.
- Aerospace Suitability: Ideal for engine manifolds and expansion joints in aerospace applications.
- Longevity: Designed for long-term performance, reducing maintenance needs.
ASTM 240 ((UNS S32100) Stainless Steel Technical Specifications
| Element | Composition (%) |
|---|---|
| Carbon (C) | ≤ 0.08 |
| Manganese (Mn) | ≤ 2.00 |
| Silicon (Si) | ≤ 0.75 |
| Phosphorus (P) | ≤ 0.045 |
| Sulfur (S) | ≤ 0.030 |
| Chromium (Cr) | 17.0–19.0 |
| Nickel (Ni) | 9.0–12.0 |
| Titanium (Ti) | 5(C+N) min / ≤ 0.70 |
| Nitrogen (N) | ≤ 0.10 |
| Property | Value |
|---|---|
| Tensile Strength (MPa) | ≥ 515 |
| Yield Strength (MPa) | ≥ 205 |
| Elongation (%) | ≥ 40 |
| Hardness (Rockwell B) | ≤ 95 |
| Property | Value |
|---|---|
| Density (kg/m³) | 8000 |
| Elastic Modulus (GPa) | 193 |
| Thermal Conductivity (W/m·K) | 16.1 (at 100°C) |
| Specific Heat (J/kg·K) | 500 |
| Electrical Resistivity (nΩ·m) | 720 |
| Coefficient of Thermal Expansion (µm/m·°C) | 16.0 (0–100°C) |
- ASTM: A240 Type 321
- UNS: S32100
- EN / DIN: 1.4541
- JIS: SUS 321
- BS: 321S31
- AFNOR: Z6CNT18-10
Common Applications of 321 Stainless Steel
Oil and Gas
Food and Beverage
Power Generation
Pulp and Paper
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321 Stainless Steel Coil Customization
Beyond standard stock, we provide comprehensive processing services to deliver products that meet your exact project requirements.
- Custom Dimensions: Customizable widths and lengths to fit precise project specifications, ensuring seamless integration into your unique applications.
- Thickness Range: Available in a range of 0.3mm to 6.0mm, offering versatility for light to heavy-duty industrial and commercial applications.
- Surface Finishing: Options include 2B, BA, No.4, and Mirror finishes, providing aesthetic appeal and functional performance for diverse environments.
- Processing Services: Advanced services like slitting, polishing, cutting-to-length, and edge trimming to meet exacting project and industry standards.
Contact our technical team to discuss your custom fabrication needs.
Contact Us
Your project’s success hinges on superior materials. We supply certified ASTM 321 stainless steel coils that meet rigorous industry standards, ensuring exceptional performance and durability. As your trusted partner, we leverage our inventory and advanced processing capabilities to deliver solutions tailored to your exact specifications, from standard stock to customized components.
Ready to get started? Contact our expert team for a no-obligation quote and professional consultation. We’ll discuss your needs, offer competitive pricing, and ensure timely delivery. Send your inquiry today to secure the high-quality materials your project deserves.
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