The 321 Stainless Steel Sheet is a titanium-stabilized austenitic stainless steel designed for superior resistance to intergranular corrosion. Manufactured and supplied by Jiangsu Cunrui Metal Products Co., Ltd., our 321 Stainless Steel Plate meets ASTM, AISI, EN, and other global standards. Its stable chemical composition provides excellent mechanical strength, durability, and oxidation resistance at high temperatures. Each 321 Steel Sheet is supported by material test reports, mill certificates, and third-party inspection options, ensuring reliability and traceability.
Features & Advantages
Stabilized with titanium for enhanced resistance to carbide precipitation.
Excellent performance at elevated temperatures up to 870°C.
Stronger resistance to oxidation compared to standard 304 stainless steel.
Good weldability and formability without compromising strength.
Certified quality with guaranteed consistency across batches.
Applications
The 321 Stainless Steel Sheet is widely applied in industries requiring heat and corrosion resistance:
Petrochemical and refinery equipment.
Heat exchangers and furnace components.
Automotive exhaust systems and manifolds.
Aerospace structures requiring durability at elevated temperatures.
Construction and architectural uses for long-term stability.
Product Specifications & Technical Data
|
Category |
Details |
|
Standards |
ASTM, AISI, EN, JIS |
|
Grades |
321 Stainless Steel Sheet / 321 Stainless Steel Plate |
|
Thickness Range |
0.3 mm – 100 mm |
|
Width |
1000 mm – 2500 mm (customized) |
|
Length |
2000 mm – 6000 mm (coil & cut-to-length available) |
|
Surface Finish |
2B, BA, No.1, No.4, HL, Mirror, Coated, Custom |
|
Hardness |
HRB ≤ 95 (annealed condition) |
|
Yield Strength |
≥ 205 MPa (minimum) |
|
Tensile Strength |
515 – 750 MPa |
|
Elongation |
≥ 40% |
Customization Services
We offer flexible processing and customization options:
Non-standard sizes and shapes on request.
Processing services: laser cutting, bending, slitting, punching, drilling, and welding.
Various surface treatments to enhance appearance and corrosion resistance.
Flexible minimum order quantity (MOQ) with rapid lead times.
Support for technical drawings and project-based customization.
Pricing & Delivery
Competitive pricing with discounts for large orders.
Stock availability for common sizes and finishes.
Reliable lead times supported by advanced production scheduling.
Export-ready packaging for safe international shipping.
Our Strength
Large-scale production facilities with advanced machinery.
Strong supply capacity and long-term cooperation with global buyers.
Over 15 years of export experience.
Certified quality management system: ISO, SGS, BV, and more.
Dedicated engineering and technical support team.
Service & Support
Quick response to inquiries within 24 hours.
Professional technical consultation and material selection advice.
Secure seaworthy packaging with waterproof and rustproof protection.
After-sales guarantee with return or replacement for quality concerns.
FAQ
Q1: Do you provide certification for 321 Stainless Steel Plate?
Yes, we supply mill test certificates and third-party inspection upon request.
Q2: What makes 321 Steel Sheet different from 304 or 316?
321 is stabilized with titanium, offering superior resistance to intergranular corrosion and better high-temperature strength.
Q3: Can you supply customized processing for 321 Stainless Steel Sheet?
Yes, we support cutting, bending, polishing, drilling, and surface treatment according to drawings.
Q4: Do you keep stock for quick delivery?
Yes, we carry standard dimensions and finishes for fast shipment.
Q5: What is your minimum order quantity (MOQ)?
Our MOQ is flexible and can be adjusted to fit your project requirements.
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