Aged Bronze Metal Sheet

Aged bronze stainless steel captures the darkened, weathered character bronze takes on with age — rooted in warm brown tones, with variations ranging from near-black to rust-mottled or mossy patina effects, depending on how far the oxidation is taken. The base material is stainless steel, not solid bronze. We supply this finish across grades 201, 304, 316 and 430.

Antiuqed Bronze Sheet

How the Aged Effect Is Made

The process starts with a base surface texture — hairline, mirror, vibration, embossed, or etched — then goes through PVD coating or water plating to build the bronze tone. Oxidation is worked into this stage unevenly on purpose: recesses darken further, raised areas stay lighter, and the surface ends up with the kind of tonal drift bronze picks up naturally rather than a single flat color.

The extent of this process sets the final character. At its core, aged bronze stays rooted in warm brown tones — but depending on how the oxidation is pushed, it can shift toward a near-black charcoal finish, a softer rose-copper undertone, or a more dramatic mottled effect with rust-orange or mossy green-gold patina. Because this is a range built from the same base process, we can match it to a specific reference or sample.

Antique Bronze Metal Sheets in Sanmei Metal

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Surface Textures of Aged Brass Panels

The aged bronze effect sits on two categories of base surface — flat mechanical finishes and raised relief textures. Each one interacts with light differently once the coloring is applied.

Flat Finishes — Hairline, Vibration

These finishes carry the wear bronze accumulates through handling and time. Hairline and vibration use fine directional or non-directional scratching to echo the scuffing a bronze surface picks up over years of contact.

Rose Gold Satin Stianless Steel Sheet S26ST-19

Rose Gold Hairline Stianless Steel Sheet S26HL-23

Rose Gold Vibration Stianless Steel Sheet S26VB-19

    
    Sheet Type
  
Surface type

      Flat Finish Sheet
    
      Raised Textures Sheet

Raised Textures — Embossed, Etched

These add physical depth rather than just surface color. Embossed and etched textures reproduce the pitting and surface breakdown that bronze develops over long exposure — the raised and recessed areas take the coloring differently, so the aged look comes from the texture itself, not a layer sitting on top of it.

Product Details

Design & Patterns

Sizes & Grades

See more antique finishes: Copper, Bronze & Copper Green →

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Standard Sizes & Thickness

Sheet Thickness

0.3mm – 3.0mm (30–11 Gauge)

Recommended Decorative Range

0.5mm – 2.0mm

Metric Sizes (Width x Length)

1000x2000, 1219x2438, 1219x3048, 1500x3000 mm

Imperial Sizes (Width x Length)

3.28x6.56, 4.00x8.00, 4.00x10.00, 4.92x9.84 ft

Coil Width Options

1000mm / 1219mm / 1500mm

Coil Weight Range

3–5 Tons (Custom Slitting Available)

Custom Sizing

Coil slitting & cut-to-length options available

Material & Processing Data

Substrate Options

AISI 201, 304, 304L, 316, 316L, 430

Surface

Aged Finish

Coloring Methods

Aged Bronze PVD Coating / Water Plating

Standard Lead Time

7–10 Days (In Stock) / 25–30 Days (Custom)

Forward / Bulk Orders

30–45 Days

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Cut to Size & Custom Aging

Every aged bronze sheet is cut to your project's dimensions. The oxidation depth, coloring, and hand-applied mottling can be adjusted on request — giving you control over how light, dark, or heavily weathered the surface reads.

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Application

Aged bronze reads as a heavier, more grounded material than brass, which makes it a strong fit for spaces built around depth and material weight rather than brightness.

Wall & Facade Applications:

Feature walls
Decorative wall panels
Accent walls
Architectural cladding
Storefront facades

Beyond large-format cladding, aged bronze also works as an accent surface in spaces leaning into an industrial or old-world character:

Countertop & Functional Panel Applications:

Custom kitchen backsplashes
Kitchen countertops
Stair railings
Bar countertops
Counter panels

Our aged bronze sheet metal can be bent or punched to match your project's mounting requirements.

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Dark bronze fine etched stainless steel cabinet and wardrobe door panels

Want a lighter bronze color finish?

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About the Aged Bronze Process

Stainless steel starts as a grey-silver base. Different combinations of polishing and oxidation coloring produce different depths of bronze tone and surface character on that same base — which means every aged bronze sheet comes out as a one-of-a-kind result.

Our production process:

Start with the customer's specified stainless steel grade (201 / 304 / 316 / 430) as the base
Apply oxidation coloring to build the bronze tone
Create the aged texture using one of two methods:
- Etching — builds a raised, tactile pattern beneath the patina for genuine dimensional depth
- Standard process — produces a flat, weathered patina on the surface
Hand-finish the surface to refine the mottled, aged character
Apply a protective clear coat to lock in the finish and slow further oxidation

FAQS

Is an aged bronze panel made of solid bronze?

No. The base material is stainless steel (201/304/316/430); the bronze appearance comes from an oxidation coloring process and hand-applied aging technique on the surface. This gives you the aged bronze look with the corrosion resistance and durability of stainless steel.

How is an aged bronze panel installed?

Aged bronze sheets can be installed using screw fixing or adhesive bonding, depending on the application. Handle with clean gloves during transport to avoid fingerprints and uneven oxidation, and avoid dropping or impacting panels to protect the finish. Contact our team for help with installation methods or sizing.

What can damage the protective coating?

The clear coat can wear from harsh chemicals, frequent cleaning, prolonged heat exposure, or improper handling. Careful daily use extends panel life, and the coating can be reapplied if it shows wear.

How do I clean an aged bronze sheet?

Most panels need only minimal routine care. Clean with warm soapy water and a microfiber cloth — no additional maintenance is required.

How do you keep the pattern consistent across a large installation?

We match the pattern to your project drawings, or build a rendering based on the actual surface you're installing on before production. This lets us plan how the mottling and tonal variation should flow across multiple panels, so the finished wall or cladding reads as one coordinated surface rather than mismatched individual sheets.

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Material-Driven. Engineering-Supported. Execution-Ready.

Why Choose Sanmei Metal

About Us

Verified Material Sources & Traceability

Material quality starts at the source. Verified mills and processors in Foshan ensure traceable, consistent supply.

In-House Color & Surface Processing

Coloring and processing under one roof. PVD, water plating, and surface finishing — all in-house.

Engineering Support Built on Material Understanding

Built on material understanding. Engineers review drawings to ensure profiles are manufacturable.

Integrated Processing & Project Coordination

Coordinated, not fragmented. Processing, fabrication, and finishing aligned end to end.

Mill Guarantee & Quality

Base coils come from our TOP partner mills (Lisco, Tisco, Jisco, Posco PZSS, Yongjin, Hongwang) before undergoing surface finishing and coating in-house at our Foshan facility.

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Laser-Grade Film Protection

Every sheet and coil ships with protective PVC film from Polifilm (Germany) and Novacel (France). Adhesion level is matched to your downstream process — strong enough to stay in place through laser cutting or stamping without gas pressure lifting the film and causing edge blowout, but not so strong that it leaves residue when removed.

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Global Logistics & Packing

Seaworthy packaging using sturdy wooden crates or steel frames to ensure 100% surface perfection upon arrival. Exporting directly to North America, Europe, Middle East, and Southeast Asia.

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Bronze SS

Aged Bronze Metal Sheet

How the Aged Effect Is Made

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