Black Mirror Stainless Steel Coil and Sheet

Black mirror finish stainless steel — also called black stainless steel mirror finish, stainless steel black mirror finish, or simply black stainless mirror — is a fully reflective, high-gloss surface — no grain, no texture, just depth. Mirror-polished stainless steel (8K–14K ultra-gloss) sits under the black coating, so the surface reflects like true glass-mirror rather than the muted sheen of a brushed or hairline finish. Because the base is fully polished before coating, this is also the finish buyers are picturing when they search for polished black stainless steel or black polished stainless steel.
Finish:
Mirror+ PVD/ Water Plated +Mirror
Materials:
201, 304/304L, 316/316L, 430 stainless steel
Color
Black/Ti-black/Chrome Black
Delivery Time:
Standard lead time: 7–15 days (depending on order volume)
MOQ:
As Your Need
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Color Differences: Water Plating vs. PVD Titanium Black

Black mirror comes in two coating routes — the two black mirror stainless steel coil finishes we offer — and they don't produce the same black:

  • Water-Plated Black Mirror: a chemically plated (wet-process) coloring process. Produces the deep, conventional black most buyers picture when they hear "black mirror" — richer, more saturated, closer to true black.

  • PVD Titanium Black Mirror: a vacuum-deposited coating over the same mirror-polished base. The black reads lighter and more translucent — closer to a tinted black laid over a bright mirror than a true deep black — but the higher reflectivity underneath makes the surface itself more luminous.

Which one to choose

Finish Option Visual Character & Appearance Value Proposition
Water Plating Deep, saturated, formal black.
The look most people conventionally associate with "black".
More cost-effective option.
PVD Titanium Black Lighter, more reflective black
with a modern, high-shine character.
Holds its finish longer;
better long-term value despite higher upfront cost.

Our Mirror Process — High-End Black Mirror Without the High-End Price

At Sanmei Metal, we make super mirror quality more accessible than ever. Our black mirror stainless steel sheets and coils are produced using 8K–14K ultra-gloss polishing and coated with high-purity black PVD, achieving a level of clarity and smoothness that far exceeds conventional 8K.

We partner directly with Foshan's only fully integrated 8K stainless steel manufacturer, a leader in R&D, production, and surface innovation — recognized across the industry for delivering top-grade mirror finishes that most suppliers simply can't match.

Why Choose Sanmei Metal's Black Mirror Coil and Sheet?

Every order ships with full Mill Test Report and SGS documentation, and we can support material selection if you're weighing black mirror against hairline or matte black for your project — sourcing, certification, and technical guidance in one place instead of split across a trading intermediary and a mill.

Looking for a non-reflective, low-glare black instead? See our Matte Black HL Stainless Steel Coil and Sheet.

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black-mirror-spiral-staircas

Applications

Black mirror stainless steel coil is specified for architecture (feature walls, structural cladding), decoration (signage, decorative panels), and interior design (elevator interiors, hospitality and retail fit-outs) — the three project types where full reflection reads as intentional rather than incidental.

If you're comparing black mirror stainless steel coil manufacturers, we work as a direct pipeline to the mill rather than a trading layer between you and one — sourcing straight from colored stainless steel coils manufacturers rather than reselling through an intermediary. As one of the black mirror stainless steel coil suppliers able to support both coil and cut-sheet orders, we can match format to whichever of those three project types you're sourcing for.

Case Study: Custom Black Convex Mirror for Russian Interior Design Client

A high-end interior design company from Russia approached Sanmei Metal with a vision: to create a decorative convex mirror that would serve as a standout artistic element in a luxury residential project.

To meet both the visual and durability requirements, we recommended 304 stainless steel — known for its corrosion resistance and formability — combined with 8K mirror polishing and black PVD coating. This combination achieved a deep, reflective surface with a sleek, modern aesthetic, matching the client's design concept.

Key Highlights:

  • Material: 304 stainless steel

  • Finish: 8K super mirror

  • Coating: PVD black (graphite-like tone)

  • Application: Custom-shaped convex mirror for interior wall decoration

  • Result: Striking visual centerpiece with long-lasting surface brilliance

The client was highly satisfied with the surface clarity, deep color tone, and overall craftsmanship — noting that the mirror became one of the most talked-about features in the entire space.

“We’ve worked with many metal suppliers before, but the precision and finish from Sanmei truly elevated our design.” — Project Director, Moscow-based Design Studio

Size and Grade for Sheets

Metric
Imperial
Stainless Steel Sheet Specifications (mm)
Grade Origin Mill Width × Length (mm) Thickness (mm) Finishes Mill Finish
201 Hongwang, Lisco 1000 × 2000 1219 × 2438 1219 × 3048 1500 × 3000 0.3–3.0 BlacK Mirror Finish 2B
304L Yongjin, Jisco, Posco PZSS, Tisco, Lisco
316 Posco PZSS, Tisco
316L Posco PZSS, Tisco
304 Yongjin, Jisco, Posco PZSS, Tisco, Lisco 1000 × 2000 1219 × 2438 1219 × 3048 1250 × 2000 1250 × 2438 1250 × 3048 1250 × 3000
430 Jisco, Krupp
Stainless Steel Sheet Specifications (Imperial)
Grade Origin Mill Width × Length (ft) Thickness (Gauge) Finishes Mill Finish
201 Hongwang, Lisco 3.28 × 6.56 4.00 × 8.00 4.00 × 10.00 4.92 × 9.84 Approx. 30–11 Ga Black Mirror Finish 2B
304L Yongjin, Jisco, Posco PZSS, Tisco, Lisco
316 Posco PZSS, Tisco
316L Posco PZSS, Tisco
304 Yongjin, Jisco, Posco PZSS, Tisco, Lisco 3.28 × 6.56 4.00 × 8.00 4.00 × 10.00 4.10 × 6.56 4.10 × 8.00 4.10 × 10.00 4.10 × 9.84
430 Jisco, Krupp

Guidance to Choose a Right Size for Your Black Polished Mirror SS Sheets

  1. Before purchasing, you should estimate the overall weight of the finished decorative sheet and the load-bearing capacity of the application area to avoid overloading.

  2. Since decorative sheets are primarily used for aesthetic purposes, a smaller thickness is sufficient, which not only saves costs but also meets the requirements. Whether for indoor or outdoor use, the ideal thickness range for stainless steel decorative sheets is between 0.5mm and 2.0mm.
  • Sheets thinner than 0.5mm are too fragile and can be easily damaged during handling and manufacturing.
  • Sheets thicker than 2.0mm are difficult to process and challenging to use in practical applications.
stainless steel measurement standard

Size and Grade for Coils

GradeFinishThickness (mm)Mill FinishWidth (mm)
1000102012191240 (Hot)150015202000Custom
201Black Mirror Finsh0.26–1.112B/BA   
304   
430   

Ordering Details

  • Stock: 7–10 days

  • Forward Order: 30–45 days

  • Custom orders: 25–30 days

  • Payment: By negotiation (commonly CAD, DP, DA, LC)

Black Mirror Stainless Steel Coil and Sheet

stainless steel measurement standard
304 2b finish stainless steel sheets flattened from a coil are of the same quality.

Size For Sheets(With x Length)

1000 x 2000 mm (3.28 × 6.56')

1219 x 2438 mm (4.00 × 8.00')

1240 x 2500 mm (4.07 × 8.20')

1500 x 3000 mm (4.92 × 9.84')

Custom

Size For Coil

Width (mm): 1000, 1219, 1240, 1500 or Customized

Weight (MT): 3-10

Thickness (mm): 0.15-3.0

Custom

Why Choose Sanmei Metal?

10+
Decorative Finishes for Your Stainless Steel Sheet

Sanmei Metal can provide decorative stainless steel sheets, including 8K, Hairline, Stamped, PVD color coating, Antique, Anti-Finger Print, Laminatd, Emboss ect.

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1v1 Service

The entire process is handled by a dedicated person to reduce information gaps and time during handovers.

Complete Special Metal Processing Service
  • Precision Slitting
  • Custom Length Cutting
  • Shearing
  • Edge Trimming
  • Blank Production
  • Surface Polishing
  • Tension Leveling
  • Various Fabrication Services

Contact us

Creating Center, Shunde District, Foshan City, Guangdong Province, 528315, China

    Headquarters:
    Creating Center, No.142, Yuhe Road, Lecong Town, Shunde District, Foshan City, Guangdong Province, China. 528315

    Factory: Liyuan Logistics City, Chencun Town, Shunde District, Foshan City, Guangdong Province, China. 528313


    Australia Local Support Base:  (Yatala, QLD) – Coming 2026

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