Korea's First Polish-Free Stainless Steel
[Stenny] Polish-Free 5-Ply Stainless Steel Wok
Introducing STENNY — Korea’s First Polish-Free 5-Ply Stainless Steel Wok!
Today, we’re excited to introduce a new series of stainless steel cookware from Korea — ones that we personally use and have become the main workhorses in our kitchen.
So far, Stenny has achieved over 10 billion won in sales in Korea and is currently ranked #1 on Naver under the “Coating-Free Stainless Cookware” category.
What makes Stenny's Stainless Steel Cookware different?
It’s made without any polishing compounds.
If you’ve ever purchased stainless steel cookware, you’ve probably noticed black residue when you wipe the surface. It often takes weeks (sometime a month) of use before this residue disappears — but even then, microscopic traces remain embedded in the surface.
What’s more concerning is that many polishing compounds used in manufacturing contain 2A-classified carcinogenic carbon compounds — which can end up in your food, and ultimately in your body.
Instead of polishing with compounds, Stenny uses Korea’s first Pure-Blasting technology: the surface is finished by blasting at high pressure, resulting in a smooth, clean surface without harmful residues.
The result? A stainless steel surface so polished (smooth, it almost reflects like a mirror. No need for additional polishing compounds.
Today, we present their 24cm signature wok - great for stir-fries, sautés and any recipes with sauce/broth.
Frying pan available here.
Built to Perform:
This is a true 5-ply pan, crafted with five layers of optimized materials to deliver exceptional heat conduction, heat retention, and superior cooking results.
When you cook with it, you’ll immediately feel the difference. It’s sturdy and reassuringly heavy — but not burdensomely so.
Where's it made?
Every part of this work is 100% made in Korea, using raw materials sourced from POSCO, Korea’s leading steel company.
Will it work on my stovetop?
Yes, it's compatible with all stovetops, including induction stovetops!
In addition, Stenny is the first Korean stainless steel cooking ware to pass the strict certification standards of both the U.S. FDA and Germany’s LFGB, ensuring it’s a product designed with your family’s health and safety in mind.
If you’re looking for a truly worry-free stainless steel frying wok — free of harmful polishing agents, built with premium Korean craftsmanship — this is it.
Available in one size: 24cm
Product Highlights
- Experience Korea’s First Coating-Free Stainless Wok — Clean Cooking with Zero Black Residue.
- Stenny’s Pure-Blasting technology eliminates the need for polishing compounds
- Induction-Ready – Compatible with All Heat Sources!
- Premium 5-Ply Full Body Construction - to deliver exceptional heat conduction, heat retention, and great taste.
- Proudly Made in Korea!
[Stenny] Polish-Free 5-Ply Stainless Steel Wok (24 cm)


Hello! I’m Choi Hwa-jung (최화정), a beloved TV and radio host from South Korea — and I’m proud to recommend Stenny Cookware!
Stenny has officially surpassed 10 billion won in sales in Korea — thank you all for your incredible support!
Let me reintroduce Stenny — Korea’s first coating-free stainless steel cooking ware!

Ranked #1 on Naver Shopping
🏆 Ranked #1 in Reviews — Coating-Free Stainless Pan
🏆 #1 in Category — Coating-Free Stainless Frying Pan on Naver Shopping
🏆 #1 in Category — Coating-Free Wok Pan on Naver Shopping
Based on data as of November 6, 2024

New stainless steel pans often leave behind a black or dark grey residue when wiped
This residue comes from the polishing compounds used during manufacturing. It can be difficult to remove and usually takes several rounds (or longer) of cleaning


Even after thorough washing and weeks of use, black residue can still appear because it remains embedded at a microscopic level.

So why do so many brands still use SIC polishing compounds that leave behind this black residue?
Because these polishing compounds are the cheapest and easiest to apply.
In the end, it’s all about manufacturers trying to cut production costs.

How did Stenny come to be?
- Explained by Founder of Stenny -
"After watching a broadcast about the potential dangers of teflon-coated pans, I decided to buy a stainless steel pan instead.
But I was still concerned about the toxic polishing compound(s) that's applied at the end.
After digging a little deeper, I found that even domestic stainless steel products had used polishing agents containing substances suspected to be classified as 2A carcinogens.
As a father of two who cooks often, I couldn’t shake the thought of these carcinogens potentially affecting my young children.
That's why I created Korea’s first stainless steel pan made completely without polishing compounds.

The Stenny Stainless Steel Difference
✅ Korea’s First Coating-Free (Polish-Free) Manufacturing Process
✅ Induction-Ready – Compatible with All Heat Sources
✅ Premium 5-Ply Full Body Construction
✅ Hygienic, Seamless Welding
✅ Clad Construction for Enhanced Heat Conductivity
✅ Specially Designed Easy-Pour Rim for Smooth Pouring

"Our wok/pans are made using the same advanced technology used to manufacture medical equipment, where cleanliness and safety are critical."
Polishing compounds on regular stainless steel pans often settle into microscopic cracks and are nearly impossible to completely remove, even after washing
That’s why we manufacture our pans completely without polishing compounds — instead, the surface is pure-blasted for a smooth, clean finish
(See images above, magnified 1000x)
· Ordinary Polished Stainless Pan (shows polishing residue)
· 2x Washed Stainless Pan (still shows polishing residue)
· Pure Blasting Stenny Pan (shows ZERO polishing residue)

Korea’s First Coating-Free Stainless Steel Pan
No worries about harmful polishing compounds!
Made with Korea’s first Pure-Blasting technology, completely free of polishing agents.
5-Layer Construction That Enhances Flavor
Built with 5-layer structure and cladding technology,optimally combining STS (stainless steel) and aluminum (AL) to bring out the best taste in your cooking.
No Heavy Metals – Safe for Everyday Use
No detection of harmful heavy metals like lead, cadmium, nickel, or bismuth.
Safe and worry-free cooking.
100% Made in Korea!
From raw materials to manufacturing — 100% made in Korea.
Crafted with POSCO stainless steel by a manufacturer with 47 years of tradition.

Detailed Information
Wok Inner Diameter - 24cm
Total Length (including handle) - 46cm
Wok Height - 7.5cm




Made in Korea - 47 Years of Tradition, 100% Korean-Made
Crafted from 100% Korean raw materials, Stenny frying pans/woks are produced by a trusted manufacturer with 47 years of expertise
With Stenny, enjoy worry-free cooking for the people you love most.

Compatible with All Heat Sources
Stenny pans/woks can be used with all types of heat sources commonly found in kitchens.
· Induction
· Hot Plate
· Highlight / Electric Stove
· Gas Stove
· Oven


Korea’s First Coating-Free Stainless Steel Wok — Safe for Everyday Use
No more worrying about polishing compounds on your stainless steel cookware.
Stenny offers Korea’s first frying pan/woks made completely without polishing agents,giving you a safer and healthier cooking experience.



Is polishing residue really gone from double-washed stainless steel pans?
"They said this frying pan was double-washed, but no matter how much I wipe it, polishing residue keeps coming off..."
"I switched to stainless steel because of environmental concerns, but it turns out polishing residue is still a problem here too..."
"I removed the residue and started using it, but after a few days, when I wiped it again, it came off all over again."
🔬 (Image above: Double-washed frying pan under 1000x magnification showing polishing residue.)
Polishing residue is extremely difficult to remove through regular washing and continues to come out from microscopic cracks.

Stenny’s Pure-Blasting technology eliminates the need for polishing compounds.
· (Shown left) Ordinary Stainless Steel Pan, with visible polishing residue)
· (Shown right) Stenny Stainless Steel Pan (residue-free surface)

Certified for Safety — Passed Rigorous Testing in Germany and the USA
Stenny is Korea’s first stainless steel frying pan to pass the strict certification standards of both the U.S. FDA and Germany’s LFGB.
It's a pan designed with your family's health and safety in mind.
🇩🇪 Passed Germany's LFGB Food Safety Test
🇺🇸 Passed U.S. FDA Compliance Standard — ASTM A240
(LFGB is Germany’s mandatory certification to ensure materials that come into contact with food are free from harmful substances.
ASTM A240, recognized by the FDA, specifies that stainless steel must contain at least 16% chromium for safety and durability.)

Enhance Flavor with Superior Heat Conduction and Retention — 5-Ply Construction
Built with an optimal 5-layer structure and materials to deliver exceptional heat conduction, heat retention, and great taste.
· Stainless Steel 304 - the most widely used stainless steel
· Aluminum 1050 - excellent thermal conductivity, ensuring fast and even heat distribution
· Aluminum 3003 (core) - aluminum layer that stabilizes heat distribution
· Aluminum 1050 - excellent thermal conductivity, ensuring fast and even heat distribution
· Stainless Steel 439 - optimized for induction cooktops

With cladding technology, our STENNY pans deliver 9x higher thermal conductivity, compared to regular stainless steel

Outstanding Heat Conductivity
Our 5-ply construction, combined with premium stainless steel, distributes heat quickly and evenly to bring out the natural flavors of your food


The 5-ply structure distributes heat evenly, all over the pan - making it easier to cook delicious meals.

Compared to budget frying pans, our Stenny frying pans retains heat for 30% longer.


Hygienic Design with Spot Welding — No Food Residue, Cleaner Use
Unlike cheaper riveted pans (shown left), our spot-welded design (shown right) keeps the surface clean and hygienic.
No rivets, no food residue!

Clean, Spill-Free Pouring with a Pouring Rim Design
Thanks to the carefully designed Pouring Rim, you can tilt and pour without spilling onto your hands or body.
Enjoy a cleaner, safer, and more convenient cooking experience.

Regular Frying Pan (left) vs. Stenny Frying Pan (right)

No Heavy Metals, No SIC Concerns — Cook with Confidence
Stenny pans are free from harmful heavy metals like lead, cadmium, nickel, and bismuth.
ZERO heavy metal detection!
(Left: Heavy Metal Test Report | Right: SIC-Free Test Report)

100% Korean-Made — From Raw Materials to Manufacturing
Unlike low-cost products made with unidentified Chinese materials, Stenny uses only 100% Korean raw materials and is fully manufactured in Korea.
✅ Be sure to check the origin of materials!
(Our materials are certified by Korea's POSCO)
From sourcing to production. 100% Korea-made
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