Buying Guides

PVD Coating on Stainless Steel vs Powder-Coated Iron

PVD coating on stainless steel vs powder-coated iron: what one chip does to each, and five checks before you buy.

chirag Choudhary 16 Oct 2026 6 mins read

Two years ago you bought a black metal wall light for the balcony door. The light looked sharp. Then one day you noticed a small chip near the screw.

Now a brown line runs out from that chip. The black paint around it has started to lift. You did not drop the light. You only lived through two monsoons.

The shop called it a metal light. Nobody told you which metal sat under the black paint.

Below, you will see how PVD coating on stainless steel differs from powder coat on iron. You will learn what a chip does to each one, and how to check before you pay.

The short answer

A powder coat on iron is paint over a metal that rusts. A PVD coating on stainless steel is a thin colour layer over a metal that does not rust. When either one gets a chip, only the iron light starts to rust.

Powder coat on iron vs PVD coating on stainless steel

Every metal light has two parts: the metal inside and the colour on top. Most buyers only look at the colour. The metal inside decides how the light ages.

Powder coating is dry paint powder sprayed on metal and baked hard in an oven. Powder coat looks smooth and even. Many lights sold as “metal” lights are iron or mild steel under the paint. Mild steel is the plain steel used in gates and grills.

Iron rusts when water and air reach it. Powder coat keeps water away only while the coat is whole. Engineer Fix, an engineering site, explains that rust starts where a chip shows bare metal. The rust then spreads under the coat next to the chip.

Indian homes make the problem worse. Monsoon damp, bathroom steam and sea air near the coast all help rust along. Corrosionpedia, a corrosion reference site, names damp air as the biggest trigger for damage that creeps under a coat.

A PVD coating is different. PVD stands for physical vapour deposition. A machine puts a very thin, hard layer of metal colour on the steel inside a vacuum chamber. Some modern taps use the same kind of finish.

We put PVD coating on 304 stainless steel, the same grade as a good kitchen sink. Stainless steel is stainless all the way through. So if the PVD colour gets a scratch, the steel under the scratch still does not rust in normal home use.

Now you know the one difference that matters. Here is how to find it in a shop or on a listing.

How to check the metal under the finish

Ask the seller one question: “Which metal is under this colour?”
Read the listing’s Material line, not only the title or the colour.
Hold a small fridge magnet to the arm; iron grabs it hard, while 304 stainless steel pulls weakly or not at all.
Turn the light over and look at cut edges and screw holes, where chips start first.
Ask for the rust warranty in writing, and ask whether it covers the metal or only the finish.

Magnet check before buying: a hand holds a small magnet to a black lamp arm to test the metal under a powder coat or PVD coating on stainless steel — A small magnet tells you a lot. Iron grabs it hard.

A magnet is a clue, not proof. Stainless steel that has been bent can pull a little. So use the magnet with the other four checks, not alone.

When we read the first 20 iron chandelier listings on IndiaMART, 16 named iron as the material. None of the 20 mentioned a warranty. So the Material line and the written warranty matter most.

Side by side

What you care about	JagMag: PVD on stainless steel	Powder-coated iron light
Metal under the colour	304 stainless steel	Iron or mild steel
After a chip or scratch	Steel shows; it does not rust	Bare iron shows; rust can creep under the paint
Colour choice	Metal tones such as gold, brass and black	Almost any colour
Rust warranty in writing	Lifetime, on the steel parts	None shown on the listings we read
Spare parts later	Kept for 10+ years	Ask the seller

Where powder coat is better

Powder coat comes in almost any colour. Casson, a hardware maker, says powder coat is available across the full RAL colour chart. PVD offers mostly metal tones.

A damaged powder coat can be stripped and sprayed again. A PVD layer usually cannot be repaired at home.

Powder coating is also a simpler process, so a powder-coated light often costs less. For a light that stays dry indoors and away from knocks, powder coat can serve well.

What we do at JagMag

JagMag Lights is a decorative lighting manufacturer in Greater Noida, Uttar Pradesh, making lights since 2015. Every metal part we make is 304 stainless steel. On several of our lights, the gold and black finishes are PVD coatings on that steel.

Take our bedside reading wall light. In our factory, the steel is cut and shaped into a slim backplate bar. A worker fits the reading head to its pivot by hand and wires it to its own switch. Then comes the matte black or satin gold PVD finish, on the stainless steel itself.

JagMag bedside reading wall light in satin gold, a PVD coating on stainless steel, made in Greater Noida — Our bedside reading wall light: satin gold PVD finish on 304 stainless steel.

You will find the same idea in our K9 crystal raindrop chandelier and our Moroccan pendant light. Both use PVD colour on stainless steel frames.

Our Legal Policies, section 4.1A, give a lifetime warranty against rusting on stainless steel parts, for orders from 4 October 2026. The warranty covers the steel, not the finish. A deep scratch can still mark the colour. The steel under that scratch will not rust.

Warm light on a calm metal frame also suits Vastu thinking, which values a steady glow and natural materials at home.

Want the full story on metals? Read mild steel vs stainless steel lights and what a wrought iron chandelier is really made of.

FAQs

What is PVD coating on stainless steel?

PVD coating on stainless steel is a very thin, hard colour layer put on the steel inside a vacuum chamber. The layer gives tones such as gold, brass or black, while the stainless steel underneath does the work against rust.

Is PVD better than powder coating?

PVD on stainless steel is better where chips and damp air are a worry, because the steel under it does not rust. Powder coat is better when you want an unusual colour, or when you need a lower cost.

Does a PVD finish fade or come off?

A PVD finish does not fade with time; finish makers such as Casson say so. A hard knock or a rough scrubber can still scratch it. On stainless steel, the scratch shows steel that still does not rust.

Does powder-coated iron rust?

Powder-coated iron does not rust while the coat is whole. Once a chip shows bare iron, rust can start there and spread under the coat.

How do I clean a PVD gold light?

Wipe a PVD gold light with a soft dry or damp cloth. Avoid scrubbers and strong chemical cleaners, because they can scratch the colour.

Nature gives the material. Human hands give it meaning. Light brings it to life.

Ready to choose? See our wall lights and brass and metal chandeliers, all on 304 stainless steel. Not sure? Video-call us and we will help you choose.