304 Ba Stainless Steel Steel
Premium 304 BA stainless steel sheets deliver flawless #8 mirror surfaces (RA≤0.05μm) with 95%+ reflectivity. Certified to ASTM A480 and ISO 13485 standards, these 304 BA stainless steel sheets are engineered for hygienic and high-visibility applications where surface perfection matters. Their exceptional smoothness and reflective properties make them a top choice for scenarios demanding both aesthetic excellence and stringent cleanliness.
5 Advantages of 304 BA Finish
Surgical-Grade Smoothness
Electrolytic polishing achieves Ra≤0.15μm, exceeding SEMI F19 standards. This ultra-smooth surface minimizes bacterial adhesion, critical for sterile environments.
01
Fingerprint Resistance
A proprietary nano-coating (Hv≥3) reduces maintenance costs by 40%, keeping the surface pristine even in high-traffic areas with frequent contact.
02
Light Amplification
With 95% reflectivity, it enhances spatial brightness significantly compared to the 85% of No.4 finish, reducing the need for additional lighting in commercial and medical spaces.
03
Corrosion Immunity
Boasts 1,500 hours of salt spray resistance (ASTM B117), ensuring long-term durability in humid or moisture-exposed environments.
04
Sustainable Brilliance
Made with 92% recycled content and holding Cradle-to-Cradle Silver certification, aligning with eco-conscious design and manufacturing practices.
05
Technical Specifications
|
Parameter |
304 BA Standard |
Medical Grade |
|
Surface Roughness |
RA ≤0.05μm |
RA ≤0.02μm |
|
Reflectivity |
95% (ASTM D523) |
98% |
|
Thickness |
0.3-6.0mm (±0.02mm) |
0.5-3.0mm |
|
Cleanability |
500+ CIP cycles |
1,000+ SIP cycles |
|
Certifications |
ASTM A480, FDA CFR 21 |
ISO 13485, USP Class VI |
Where 304 BA Stainless Steel Sheet Excels

- Medical Facilities
Operating room wall panels and surgical instrument trays leverage the ultra-smooth surface to meet strict hygiene standards, minimizing contamination risks.
MRI room enclosures benefit from the non-magnetic properties and high reflectivity, enhancing visibility without interfering with equipment.
- Premium Retail Spaces
Luxury jewelry showcases and high-end cosmetic counters use the mirror finish to amplify product visibility, making displays more striking.
Branded kiosks and boutique interiors rely on the reflective surface to create a sense of spaciousness and elegance.
- Food & Pharmaceutical Processing
Cleanroom walls and equipment surfaces withstand frequent CIP (Clean-In-Place) cycles, maintaining sterility in production environments.
Pharmaceutical packaging lines utilize the corrosion resistance to ensure product integrity during processing.
- Architectural Highlights
Hotel lobby ceilings and elevator cabins use the light-amplifying properties to create bright, inviting spaces with a touch of luxury.
Museum display cases protect artifacts while showcasing them through the clear, reflective surface.

304 BA stainless steel sheet stands out as a premium material where surface perfection, hygiene, and aesthetics intersect. Its combination of high reflectivity, corrosion resistance, and sustainability makes it indispensable in medical, retail, and architectural applications that demand the highest standards. Whether enhancing visibility in a store or ensuring sterility in a hospital, it delivers unmatched performance with a commitment to both quality and the environment.
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