OEM Cold Rolled Stainless Steel Coil 8K Mirror Finish 304SS 201SS

Product Overview 

Grade 304 201 Cold Rolled 8K Stainless Steel Coil combines durability with a brilliant mirror-like finish. Ideal for decorative and functional applications, this coil offers corrosion resistance, ease of fabrication, and a sleek aesthetic. Its cold-rolled precision ensures consistent thickness and surface quality, making it a top choice for industries ranging from architecture to manufacturing.

Key Features  

• -Corrosion Resistance: Withstands harsh environments, reducing maintenance needs.  
• - 8K Mirror Finish: Provides a high-gloss, reflective surface for premium visual appeal.  
• - Cold-Rolled Precision: Ensures uniform thickness, smoothness, and structural integrity.  
• - Versatility: Suitable for fabrication, welding, and polishing without compromising quality.  
• - Cost-Effective: Balances performance and affordability, especially with the 201 grade option.

Applications  

Commonly used in elevator panels, kitchen appliances, decorative trims, and architectural cladding. Also ideal for automotive trim, signage, and household hardware where aesthetics and durability are paramount.

The production of colored stainless steel sheets via PVD (Physical Vapor Deposition) involves three core stages: pre-treatment, PVD coating deposition, and post-treatment, with strict parameter control throughout.

This stage ensures a clean, smooth surface for coating adhesion.

Cutting & Polishing: Cut stainless steel coils/plates to required dimensions via laser or shearing. Polish with abrasive belts/wheels to achieve finishes like mirror, brushed, or matte, and remove minor scratches.

Cleaning: First, degrease with alkaline/solvent solutions to eliminate oil and fingerprints. Then, pickle with nitric-hydrofluoric acid to remove oxide layers and polishing residues. Finally, rinse with deionized water and dry with hot air/infrared to avoid water spots.

Completed in a high-vacuum chamber to ensure coating quality.

Vacuum Setup: Load dried substrates into the chamber, then pump to 10⁻³–10⁻⁵ Pa (high vacuum). Heat substrates to 150–300°C and use argon ion bombardment for deep cleaning.

Target Sputtering & Reaction: Select targets based on color (e.g., titanium for gold, chromium for silver). Use magnetron sputtering (plasma bombards targets to release atoms) or arc ion plating (electric arc melts targets) to vaporize targets. Introduce reactive gases (nitrogen for nitrides, oxygen for oxides); target atoms react with gases to form colored compound films (e.g., TiN for rose gold) on substrates.

Thickness Control: Monitor via a quartz crystal sensor to keep coating thickness at 0.1–1 μm (too thin = poor fastness; too thick = brittleness).

This stage enhances performance and ensures compliance.

Cooling & Finishing: Cool the chamber to room temperature, release vacuum, and unload. Optionally, lightly polish coated surfaces for better gloss.

Quality Checks: Test coating hardness (≥2000 HV via Vickers tester) and adhesion (no peeling via cross-cut tester). Use a spectrophotometer to verify color consistency (ΔE ≤ 1 vs. standards).

Packaging: Wrap qualified sheets in anti-scratch film, then pack in cartons/wooden pallets for transport.

Crafted from premium Grade 304 stainless steel with a 201 cold-rolled finish, this 8K mirror-polished coil delivers exceptional corrosion resistance and structural integrity, ideal for both indoor and mildly demanding outdoor environments. Its high chromium and nickel content ensures long-term durability against rust and staining, while the cold-rolling process enhances surface uniformity and mechanical strength, making it a reliable choice for architectural, decorative, and industrial applications where performance meets precision.

The standout 8K mirror finish offers an ultra-smooth, highly reflective surface that rivals polished glass, elevating aesthetic appeal in luxury interiors, elevator panels, signage, and furniture design. Unlike standard brushed or satin finishes, the 8K polish creates a flawless, distortion-free reflection that enhances spatial perception and adds a touch of modern elegance. This surface is not only visually striking but also easy to clean and maintain, resisting fingerprints and smudges better than many competing finishes.

Manufactured to strict dimensional tolerances and consistent coil form, this product streamlines fabrication and installation processes, reducing material waste and labor costs. Its flexibility in cutting, bending, and forming allows seamless integration into custom projects without compromising surface quality. Whether you’re crafting high-end retail displays or durable industrial cladding, this stainless steel coil combines beauty, resilience, and practicality — delivering unmatched value for designers, fabricators, and builders seeking premium materials with proven performance.