Technical Specifications of 304 Stainless Steel Sheet
| Property | Parameter | Description |
|---|
| Product Name | 304 Stainless Steel Sheet | Flat-rolled austenitic stainless steel sheet product |
| Material Grade | 304 / S30400 | Equivalent to EN 1.4301, JIS SUS304, GB 06Cr19Ni10 |
| Standard Compliance | ASTM A240 / A480, EN 10088-2, JIS G4304, GB/T 3280 | Meets international flat-rolled stainless steel standards |
| Chemical Composition | C ≤0.08%, Mn ≤2.00%, Si ≤0.75%, P ≤0.045%, S ≤0.030%, Cr 18.0–20.0%, Ni 8.0–10.5% | Per ASTM A240 UNS S30400 requirements |
| Tensile Strength | ≥515 MPa (75 ksi) | Minimum tensile strength per ASTM A240 |
| Yield Strength | ≥205 MPa (30 ksi) | 0.2% proof stress, minimum per ASTM A240 |
| Elongation | ≥40% | In 50 mm gauge length per ASTM A240 |
| Hardness | ≤201 HBW / ≤92 HRB | Brinell / Rockwell B hardness, annealed condition |
| Thickness Range | 0.3 mm – 100 mm | Sheet: 0.3–6 mm; Plate: 6–100 mm available |
| Width Range | 600 mm – 2500 mm | Standard widths: 1000 mm, 1219 mm, 1500 mm, 2000 mm |
| Length Range | 1000 mm – 6000 mm | Standard lengths: 2000 mm, 2438 mm, 3000 mm; custom cut available |
| Surface Finish | No.1, 2B, 2D, BA, No.3, No.4, No.8 (Mirror) | 2B is most common; BA for bright annealed; No.4 for brushed finish |
| Heat Treatment | Solution Annealed | Annealed at 1010–1120°C, rapid quenched for optimal corrosion resistance |
| Application | Food processing, kitchen equipment, chemical tanks, architectural cladding, medical devices, marine fittings | Excellent corrosion resistance in mild to moderate environments |
| Certification | Mill Test Certificate (MTC) per EN 10204 3.1 / 3.2, SGS, BV, TÜV available | Full traceability with heat number and chemical/mechanical test reports |
| Packaging | Wooden pallet with waterproof paper and steel strip banding | Export seaworthy packaging; custom labeling available |
| MOQ | 1 Ton (negotiable for sample orders) | Stock items available; custom dimensions subject to mill lead time |
304 Stainless Steel Sheet
The 304 stainless steel sheet is one of the most widely used and versatile austenitic stainless steel products available in the global market today. Renowned for its exceptional corrosion resistance, excellent formability, and outstanding mechanical properties, it serves as the material of choice across a broad spectrum of industries — from food processing and chemical manufacturing to architectural design and heavy-duty industrial fabrication. As a trusted supplier, we offer custom cut sizes tailored precisely to your project requirements, ensuring zero material waste and maximum operational efficiency.

Key Specifications of 304 Stainless Steel Sheet
Understanding the technical parameters of this material is essential for engineers and procurement professionals making informed sourcing decisions. Our 304 stainless steel sheets conform to ASTM A240 and EN 10088 international standards, guaranteeing consistent quality across every batch.
- Grade: 304 (UNS S30400), also equivalent to 1.4301 under European standards
- Thickness Range: 0.3mm – 100mm (custom thickness available upon request)
- Width & Length: Standard 1000×2000mm, 1219×2438mm, 1500×3000mm; custom cut-to-size available
- Surface Finishes: No.1, 2B, BA, No.4 (brushed), No.8 (mirror), hairline, embossed
- Chemical Composition: Cr 18–20%, Ni 8–10.5%, C ≤0.08%, Mn ≤2.0%
- Tensile Strength: ≥515 MPa | Yield Strength: ≥205 MPa
- Elongation: ≥40%
Performance Advantages of 304 Stainless Steel Sheet
What sets the 304 grade stainless steel sheet apart from other metallic materials is its superior combination of physical and chemical properties:
- Excellent Corrosion Resistance: The high chromium and nickel content forms a stable passive oxide layer, providing strong protection against atmospheric corrosion, mild acids, and a wide range of chemicals — ideal for both indoor and outdoor environments.
- Outstanding Formability & Weldability: 304 stainless steel sheet can be easily bent, deep-drawn, roll-formed, and welded using standard techniques without compromising structural integrity.
- Hygienic & Non-Contaminating: The non-porous, smooth surface inhibits bacterial growth, making it fully compliant with FDA and food-grade safety standards.
- High-Temperature Performance: Maintains structural stability at temperatures up to 870°C in continuous service and 925°C in intermittent service.
- Aesthetic Appeal: Available in multiple surface finishes, including mirror polish and brushed textures, offering both functional and decorative value.
- Long Service Life & Low Maintenance: Exceptional durability reduces lifecycle costs significantly compared to carbon steel or coated alternatives.
Industries and Applications
The versatility of 304 stainless steel sheet makes it indispensable across multiple sectors:
- Food & Beverage Processing: Commercial kitchen equipment, food storage tanks, conveyors, and processing tables
- Chemical & Pharmaceutical: Reactors, storage vessels, pipework, and laboratory equipment
- Architecture & Construction: Cladding panels, elevator interiors, handrails, roofing, and decorative facades
- Automotive & Transportation: Exhaust systems, trim components, and structural reinforcements
- Marine & Coastal Applications: Fittings, railings, and structural components in moderate saltwater exposure environments
- Energy & Power Generation: Heat exchangers, pressure vessels, and turbine components
Why Choose Our 304 Stainless Steel Sheet Supply Service
We differentiate ourselves from standard distributors by offering a fully integrated supply solution. Every 304 stainless steel sheet we supply is mill-certified with full material traceability, third-party inspection reports available upon request, and backed by ISO 9001-certified quality management processes. Our in-house precision cutting capabilities — including laser cutting, waterjet cutting, and plasma cutting — allow us to deliver sheets to exact dimensions with tight tolerances, minimizing your downstream processing time and costs.
Whether you require a single prototype sheet or large-volume production orders, our flexible inventory and rapid lead times ensure your supply chain remains uninterrupted. Contact our technical sales team today to discuss your specific requirements and receive a competitive custom quotation.
