How to Create Rainbow Patina on Steel
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- Опубліковано 7 лют 2025
- In this tutorial, I show you how to create a rainbow patina on steel. This is a very unique metal patina finish among the many steel patina finishes (and it is sometimes called rainbowing steel.
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COMMENT: Do you use multiple metal patination techniques? Do you steel patina black? Or perhaps heat patina steel techniques? If so, let me know! Also let me know your thoughts on this rainbowing steel video.
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I found in my journey to niter and or rust blue and color case hardening with electroplating parts while in the coloring heat phase a spritz of light oil helps with carbon infusion and getting the deeper more durable blues on first pass or subsequent heat repeats. I only treat finish items with DYI oils for Longterm no paints or clears, I am going for a more "Historic" look and use.
Moisture in th surface material?
Wouldn't it be rusty then?
In what porositys in the steel can the moisture collect?
And still not rust the steel?
If you pour water in the bowl will it just drain through the pores in which the moisture collects?
Why donesn't it rust if it has moisture inside of it?
This was exceptionally helpful! Your mention of oxides was the key to my understanding.
Just when I thought your work couldn't get any better, you pull that off! Thank you!
Water vapor is a by product of combustion, friend. Amazing work here. I've just started learning how to do this in the things I make
I love how you did the patina finish. Beeautiful!. I have a knife with rainbow patina finish. Just gorgeous.
Wow! that turned out great!! I can see this will have a learning curve.
Very nice job Roy. Thanks so much. Keep up the great craftsmanship and hard work my friend. Forge on. Keep making. God bless.
Like the look of the colors on the bowl. Enjoyed the first video.
I bought some vintage cutlery in England and it had this mix of black/ blue to rainbow hue that I loved, but didn't know how it's made. It looks similar to your end result :D
Thanx for passing along your learned technique. Very cool result
That seemed infinitely simpler than I thought it would be. Does the steel lose any proprieties when doing this? Such as elasticity, hardness, or whatnot?
Great coloring and amazing work!!! Thank you for sharing Roy!!!
Fantastic video, fantastic result of the colors on the bowl. Truly wonderful :D Exactly what I was looking for :D
I enjoyed this video alot Roy. You sure are filling a Smith's project arsenal.
I love the temper look!!👍👍 I really need a torch. Thank you Roy and Jess😁
Ben I use a Map gas torch often when tempering small pieces...much cheaper to get into than a full on cuttin torch set up.
I'm going to have a go at making one of these for my sons Wedding Gift soon even tho I've never forged anything before and don't have a swage block with a Bowl forming depression....Think I'm going to try and make a Bowl Former from a Gas Tank lid welded into a shallow steel box and fill it with lead for mass....I've weatched your bowl forming videos Roy and they are great....I'm going to try and add 2+2+2 ( From 3 of your videos ) and hope I come up with 6....I want to create something that will last Forever and remind them of me long after I've gone... Thanks for sharing.....by the way your DVD just arrived, Can't wait to watch it all....Best, Toby
Very interesting, thank you.
You're welcome!
That's awesome!! Did this to my gun slide I love it thanks!!
Great video Roy that looks awesome God bless you and your family
Thank you Dana
Very nice Roy.I do a fair amount of this type of stuff...love the look!Thats a great tip to look at it with a water film on it.I use a 5400 kelvin LED bulb over my work when tempering colors,it helps me to see them better.Ive noticed when I got my tempers just right,then clear coat the work and the colors darken up quit a bit.Go for a second coat and pretty much ruin the piece the colors just fade away...so I try to just one nice wet coat on the work and leave it be.Thanks for another helpfull video...FWIW the audio is great!
Gloss Rust-Oleum clear? Great tips 👍.
Will this compromise the heat treat on a knife/axe? I have a chopper that would look super cool with this finish but not if it means damaging the strength and hardness of the steel.
Awesome I flame paint copper using oxygen and propane. I am assuming that that would work on Steele also.
Great video thanks
Nice colors. 👍
Beautiful.
I'm going to make some unusual woks.
very nice Roy.
If I had a time machine I would come at before. Lol that's really cool I really like the look of that.
Hello there, nice video! Is it possible to heat sheet metal like this with just a propane torch for forging? Or does one need propane and oxygen?
Very cool Roy! Thanks and God Bless you guys!
God bless you and thanks for watching
Worth mentioning again how much better the audio is on your videos!
if you do this to an already heat-treated knife, does the heat treat stay or will we have to heat treat after this?
Only if you keep the edge Cool 😎
Thanks for the technique I may give it a try Thanks again Roy
This is exactly what I've been wanting to do for the steel roses I'm about to make for my wife. Two quick questions if you don't mind; can this be done with a MAP-PRO torch, and second, does the patina prevent the steel from rusting later or do you have to put a finish coat of something on it? I'm fairly new at this so please forgive my ignorance as I learn. Thank you for the incredible content and God bless. ✝️
How durable is that patina? Will it scratch/wear off easily?
I love this look Roy if i do anything like this I’ll definitely try this technique
Looks great came accross this looking for something else.
Great explanation -- Thanks
You are welcome!
does this work on iron? and do you reckon i could kinda put some metal above/ in a fire (like a campfire) and get similar results?
Completely covered the patina work, tho I would love to know what enamel you use? And how you apply it to the piece.
Rustoleum clear enamel spray paint. Available at hardware stores.
@@ChristCenteredIronworks Haha Thank good sir.
Very Very awesome!!!
We are currently working on a bar and trying to get a rainbow / oil slicked finish on a plate steel bench top. Do you think this method would work if we polished the top, then fired it? Or would it warp the steel?
In case you want to do designs for both sides, would it be better work outside in or inside out? Or does it not matter at all?
Simply Super Guys
Beautiful. I purchased a stainless SoloStove and would like to put this rainbow patina on the outside of the stove. My question is, will the heat of the fire(s) change the patina?
Thank you!
Condensate is H2O from the furl/air burning, not actually sweat from the material
Very cool 😁👌
Wish i could post a pic. Just did something for my son same finish and cleared it. Turned out awesome
Awesome! If you are on instagram you can tag me @christcenteredironworks or look me up on facebook :)
Beautiful skill
Thank you sir!
What did you use to cover the bowl? You still use sparypaint. How do you protect the finish?
No heart but can I get an answer?
Great tutorial thanks...what do you use the seal the metal afterwards to stop rusting...?
That's stainless steel, so it won't rust. ☺️
how easy does it scratch also do different variations of steel have a harder time getting its rainbow patina scratched of
Its beautiful work sir nice video,can I do this with high carbon bolts or will this process weaken them?
Perfect
During the video you're quenching in water. Is this a different process to heat bluing steel, quenched in oil? Is it something like partial bluing? I think bluing becomes rust resistant, is this not also the case with rainbow? Thx
Hey Brother, would this work with stainless steel and a hand-held propane torch? Thanks for all yo do.
i'm planning on using this on a valentines flower Roy thanks
That should turn out awesome! If you're on instagram, tag me @christcenteredironworks after you have given it
Is the ball made of stainless steel or just regular Steel
Sorry for the well not informed comment but I am new to smithing. After you get the color do you need to clear coat it to keep the finish and if so what product do you use?
Yes with rustolem clear enamel
@@ChristCenteredIronworks thank you very much.
Does blueing work on carbon steel?
Why did you paint the bowl? You said it muted the colour.
Thank you.
Is there a way to reverse patina?
This is the best video I have seen on this! Thank you So much! What type of clear coat do you put over it?
Rustoleum clear enamel spray
One time I had a bunch of mid management types walk into my shop area at 7:02 am to see if I was working. I was, but my coffee was getting cold and they had paused near where I was working. They were just talking and BSing. I grabbed my torch and "popped" it. They all jumped but I kept a straight face like this is what happens all the time. They quickly took the rest of their chatting back into the office where they belonged and I finished my coffee before starting my days work in earnest.
LOL you got to love when that happens :-) thanks for taking the time to watch God bless you
Hi! Awesome project, I was just wondering doesnt the bowl wobble a lot since it has no flat spot on the bottom?
You can add a flat if you wish!
If I tried this with a steel pocket clip for my knife, would it ruin the retention of the clip?
if i colour my stethoscope pipe like it will it change its sound quality?
WoW
Lovely🙂
Is this possible with a handheld 14 oz propane?
Neet...thank you Roy
Very nice finish. Well did lol. Gives a look reminiscent of color case hardening but more broad in coverage and one doesn't have to use bone char.
Mr. Roy is there an actual difference between the heads for acetylene torches and propane torches like there is a specific valve gauge set up for propane?
Thank you for sharing.
Blessed days sirSir, Crawford out
Valves are same and so are setting but th he cutting tips I know for sure are different you need an oxy propane specific tip
The orifice sizes are different.
@@davidhillman7004 thank you, now I know I have to order specific heads. I dont want to have to get aceytaline if I dont have to. Really appreciate the valuable information sirSir
Blessed days sirSir, Crawford out
@@83gt17 , thank you I appreciate your help with this.
Blessed days sirSir, Crawford out
@@danielcrawford7315 I use oxy propane too but only have cutting head
Awesome!! You made it to 1k with my like! Yay!!!!! Congrats!!
I have a project I'm going to be working on and I want it to be red. Is there a spot where it goes red?
This may be a dumb question but could you do this to a truck
Really beautiful!~
Thank you
Remember oxygen cost a little more so you always shut it off first so you wont waist money buying what you might forget to shut off...
That's what my grandpa always told me...Amazing video with good tips...
This was a good video
Thank youI'm glad you liked it have a great day..
Just a question - I'm not a metalworker so I'm a bit of a noob. If I did this over welds on a bike frame, would this amount of heat weaken the welds? Thanks.
I see you have no answer, so I think it's better not to go near welds with a gas torch as we do t know how thick the frame is and how good the welds are. Be safe.
Hei, i know this is a one year old video but can you help me? I tried doing this and ended up making some scratches, how can you corect this? I mean, i tried sanding the Steel clean again but the color didnt appear again, it was just a yellowish collor, does that mean i have to take more layers off the Steel? Or start with a New one again, please help
i want to do this to a steel gold pan
Do you still clear? Or does it dull it down to much.
Yes, I still clear coat it. It darkens a little, but the colors are still there.
@@ChristCenteredIronworks which clear coat are you using?
Quench in water, not oil?
Greatings from Brasil!
First of all, I find amazing your willing to teach other people this craft and showing us how to make money with simple things.
I want to return the favor find a portuguese name for your channel. The way it is doesn't make any sense in portuguese.
I do not quite understand the concept "christ centered", if you want to explain to me so I can find a translation that best explains what you want I'll be happy to help.
Cya!
Ill give it a shot, 'Cristo centrico tobalhos de ferro" hope that helps
How hot does it need to be
There is absolutely no moisture "in the material" but you got it right when you stated "it will condensate". That's exactly what is happening. When you burn gas and oxygen one byproduct is water, that water, from the gases you are burning are hitting the cold steel and condensing out of gas form. The water is from the gases not the metal or the atmosphere.
If its from the metal then you should be able to heat the backside of the material and see the same droplets on the front side but you wont because its coming from the flame itself.
Are you able to get the entire piece Blue?
Yes it can be made entirely blue this way but would be better done in a oven :-) thanks for watching God bless
Nice Job!
Coating: you mention that you "spray paint" the bowls, and I assume you are spraying a clear coat. What clear coat do you use? I have not found a clear coat that will not somewhat diminish the spectacular patina. I've used lacquer and Sculpt Nouveau Clear Guard, both in satin. While both make a nice finish, they do darken the steel and diminish these lovely colors.
Yeah, he wasn't too clear on it. He mentioned that spray painting the bowl put a "filter" on it, but what was the solution to this problem? Trying it out with water first?
I use Rustoleum Clear Enamel in Glossy. It darkens it somewhat. I've also heard mention that some artist use Modge Podge which does not darken.
Hi Roy, I've found that clear coat spray paint for cars that you can find at any auto parts store will not darken or yellow the finish.
I keep over heating and losing the purple and getting blue
Isn't this also called heat anodizing?
I am not sure if this is the same thing as heat Anodizing.. but it does have a similar effect :-) thanks for the great question God bless
@@ChristCenteredIronworks Cool, either way rainbow patina is a much better name. Thanks for the response Sir
You're welcome and thank you for being a part of the channel! God bless
One of the byproducts of hydrocarbon combustion is water so yep when you burn propane especially when you add oxygen y'all are going to get H2O in the mix
Does that color stay if it's used on pans ?
It is on there for the first several uses. But the pans darken with use.
Those gloves got me nervous. @ 1.28 big hole.
I WONDER HOW THEY DO THE REAL RAINBOW KNIVES PACKET.
WHAT ROY DID IS JUST BURN THE METAL!!!
Less talk pls...
looking for some 9 inch nails for a crucifixion reenactment
does anyone know if this effect stays on metal after washing it or polishing?