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Quality ASTM A240 SS 304 Mirror Finish Sheet PVC Coating Polished Stainless Steel Mirror Sheet factory
Quality ASTM A240 SS 304 Mirror Finish Sheet PVC Coating Polished Stainless Steel Mirror Sheet factory
Quality ASTM A240 SS 304 Mirror Finish Sheet PVC Coating Polished Stainless Steel Mirror Sheet factory

ASTM A240 SS 304 Mirror Finish Sheet PVC Coating Polished Stainless Steel Mirror Sheet

Basic Properties
Place of Origin: MADE IN CHAINA
Brand Name: Baosteel，TISCO
Certification: EN 10204 Type 3.1 / 3.2 available
Model Number: 201 / 202 / 301 / 302 / 303 / 304 / 304L / 305 / 309S / 310S / 316 / 316L / 317 / 317L / 321 / 347 / 409L / 410 / 420 / 430 / 440C / 2205 / 2507
Trading Properties
Minimum Order Quantity: 100kg
Price: Negotiable (Request a Quote)
Payment Terms: T/T，D/P，D/A，Western Union，PayPal
Supply Ability: 10000tons
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ASTM A240 SS 304 Mirror Finish Sheet

PVC Coating Stainless Steel Mirror Sheet

Polished Stainless Steel Mirror Sheet
Product Summary
Our SS 304 Mirror Finish Sheets (also known as No. 8 Finish or 8K Finish) are produced by polishing standard 2B or BA stainless steel sheets to achieve a highly reflective, mirror-like surface. The clarity and reflectivity are comparable to a glass mirror. The base material is ASTM A240 Grade 304 ...

Product Details

Highlight:

ASTM A240 SS 304 Mirror Finish Sheet

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PVC Coating Stainless Steel Mirror Sheet

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Polished Stainless Steel Mirror Sheet
Country Of Origin: MADE IN CHAINA
Brand: Baosteel，TISCO
Certifications: ISO/EN 10204 Type 3.1 / 3.2 Available
Grade: 201 / 202 / 301 / 302 / 303 / 304 / 304L / 305 / 309S / 310S / 316 / 316L / 317 / 317L / 321 / 347 / 409L / 410 / 420 / 430 / 440C / 2205 / 2507 / 630 (17-4PH)
MOQ: 100kg
Price: Negotiable (Request A Quote)
Packaging: Wooden Case / Wooden Pallet / Steel Frame / Carton / Woven Bag
Delivery Time: 15-25days
Payment Terms: T/T，D/P，D/A，Western Union，PayPal
Supply Capacity: 10000tons
Product Description

Our SS 304 Mirror Finish Sheets (also known as No. 8 Finish or 8K Finish) are produced by polishing standard 2B or BA stainless steel sheets to achieve a highly reflective, mirror-like surface. The clarity and reflectivity are comparable to a glass mirror.

The base material is ASTM A240 Grade 304 stainless steel, which provides excellent corrosion resistance and formability. The ultra-smooth, glossy surface not only delivers aesthetic brilliance but also offers low dirt adhesion and easy cleaning – making it the preferred choice for both decorative and functional applications.

Product Aliases: No. 8 finish sheet, 8K mirror sheet, reflective stainless steel sheet, decorative stainless steel sheet.

Product Specifications

We offer a full range of standard and custom sizes. All dimensions conform to ASTM A480.

Parameter Options / Range
Standard ASTM A240, JIS G4304, EN 10088, GB/T 3280
Grade 304 (UNS S30400), 304L, 316 (available upon request)
Thickness 0.4mm – 3.0mm (sheet) / 0.4mm – 1.5mm (coil)
Width 1000mm, 1219mm, 1250mm, 1500mm (customizable up to 2000mm)
Length 2000mm, 2438mm, 2500mm, 3000mm (customizable)
Surface Finish No. 8 / 8K Mirror Finish (Ra ≤ 0.05µm)
Backing Protection PVC film (white, blue, clear; standard or low-tack)
Tolerance Thickness: ±0.05mm / Width & Length: ±2mm
Chemical Composition (%) of Base Metal (304)

Strict composition control ensures consistent reflectivity after polishing.

Element C Si Mn P S Ni Cr
304 ≤0.08 ≤0.75 ≤2.00 ≤0.045 ≤0.030 8.0–10.5 18.0–20.0
Mechanical Properties (Annealed Condition)
Property Value
Tensile Strength ≥ 515 MPa (75 ksi)
Yield Strength (0.2% offset) ≥ 205 MPa (30 ksi)
Elongation (in 50mm) ≥ 40%
Hardness (Brinell, HB) ≤ 201
Hardness (Rockwell, HRB) ≤ 92
Packing Method

To protect the mirror finish during transit and storage, we follow export-grade packing:

Step Description
1. Interleaving Kraft paper and foam paper between each sheet
2. PVC Protection White/blue PVC film on mirror side (low-tack, residue-free)
3. Waterproofing VCI paper + PE waterproof wrap
4. Edge Protection Cardboard or plastic edge protectors
5. Bundling Steel strapping on heavy-duty wooden pallets (heat-treated, ISPM-15 certified)
6. Labeling Mill test certificate number, grade, dimensions, and quantity

✅ Shipping marks and handling instructions are clearly printed on each package.

Why Choose Our SS 304 Mirror Sheets?
  • True Mirror Quality: Ra ≤ 0.05µm, no pinholes, no orange peel
  • Consistent Base Metal: We use prime 304 cold-rolled coils from TISCO / BAOSTEEL / JISCO
  • Damage-Free Delivery: Multi-layer export packing + wooden pallets
  • Full Traceability: Mill test certificate (EN 10204 Type 3.1) for each batch
  • Third-Party Inspection: SGS / BV / Intertek available upon request
Contact Us

Request a quote for your project quantity. We respond within 4 business hours.

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