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TractorByNet
tractorbynet.com › forums › community forums › rural living
Steel for DIY Fire Pit - Advice Needed - TractorByNet
December 7, 2014 - The boiler plate steels are a bit different harder material & rated for higher heat/pressures vs A36 (sa36 in some places) & they (boiler plate) may need a bit different welding practices (for certifications but not req for outdoor fire pit.) The 1/4" stuff would be HEAVY and something as shown in 4'x4' would need 2 people to move or tractor.
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The Fire Pit Store
thefirepitstore.com › home › product & review news › choosing metal or steel for fire pit
Choosing metal or steel for fire pit - The Fire Pit Store
Corten steel is a popular choice for modern fire pit designs. It develops a unique rust finish over time which adds to its aesthetic appeal. It is also highly durable and can withstand extreme temperatures.
Discussions

Best metal for a fire pit for longevity?
Inconel, they use it for rocket engines it should hold up to fire pit for life. More on reddit.com
🌐 r/Welding
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February 19, 2024
General | best steel for fireplace grate? | Practical Machinist - Largest Manufacturing Technology Forum on the Web
i was hoping to use stainless for my outdoor fireplace grate because it would pretty much last forever. however, i put a 1/2" 303 stainless rod in the fire just to see how it handled the heat. it warped. is there a stainless that won't warp with fireplace heat? if there are no options... More on practicalmachinist.com
🌐 practicalmachinist.com
August 30, 2012
metal - What can I use as a bowl for a DIY fire bowl/pit? - Home Improvement Stack Exchange
Does anyone have any ideas on what I could use for the actual bowl? I don't have the facilities to shape or weld metal, so something already "bowl shaped" is preferable. Is there anything metal I could pick up as scrap that would work as a fire bowl? I don't mind the looks as I could possibly alter that ... I have played with various fire pit ... More on diy.stackexchange.com
🌐 diy.stackexchange.com
April 13, 2015
Metal choice for Fire pit cooking grate?
304 stainless. More on reddit.com
🌐 r/Welding
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May 21, 2017
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Amazon
amazon.com › Iron-Forge-Tools-Smokeless-Permanent › dp › B0CG2N8CY3
Amazon.com: Iron Forge Tools Smokeless Firepit - 36 inch Outer/30 inch Inner Round Fire Ring Insert Liner - Heavy Duty Metal Permanent Outdoor Fire Pit Ring (36x30x10) Utility Patent Pending : Patio, Lawn & Garden
Follow installation guide for best results. Permanent installation – set it up once and enjoy crackling wood fires all year long with minimal maintenance. Yes. Constructed from premium, thick-gauge steel with a high-temperature black paint finish, this fire pit insert resists rust and harsh weather conditions.
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Breeo
breeo.com › home › x series smokeless fire pit
X Series Smokeless Fire Pit
Our fire pits are built in Lancaster, PA with heavy-gauge 304 stainless and Corten steel for a lifetime of use. 304 stainless steel is well-known for its rust and corrosion resistance, appearing in everything from kitchen appliances to automotive ...
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Reddit
reddit.com › r/welding › best metal for a fire pit for longevity?
Best metal for a fire pit for longevity? : r/Welding
February 19, 2024 - this is when you make a sacrificial part. make the main body from whatever metal you want for looks, then have an internal liner of basic 1/8" or so mild steel. the liner will slowly wear away from oxidizing and dealing with the heat, but it would be very easy to replace every 5 years or so. if this is going to be an in-place pit (one you never move), the best choice for longevity is stone. there are firepits from thousands of years ago that are still in usable condition.
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Practical Machinist
practicalmachinist.com › forums › manufacturing today › general
General | best steel for fireplace grate? | Practical Machinist - Largest Manufacturing Technology Forum on the Web
August 30, 2012 - Yes, cast iron is great for grates Stainless is bad for warping because of its low thermal conductivity. This means the side facing the fire gets a lot longer than the cold side, and that upsets the metal permanently. I had an idea: you can buy solid cast iron rods for brazing.
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Metal Supermarkets
metalsupermarkets.com › home › blog › considerations for building a metal fire pit
Considerations for Building a Metal Fire Pit - Metal Supermarkets
July 30, 2021 - You will also need to use metal sheet to create the bottom of the fire pit if you are not putting it directly on the dirt. Instead of buying sheet for the ring or fire pit bottom, you can also buy expanded metal, but be mindful that this will create an increase in airflow and a potential fire hazard, which is another consideration discussed later.
Find elsewhere
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Curtis Steel
curtissteel.com › home › blog › best metals for building fire pits
Best Metals For Building Fire Pits - Curtis Steel
January 13, 2025 - Corten steel is also more expensive than other metals like carbon steel. The best metal for your fire pit ultimately depends on several factors, including your aesthetic preferences, budget, and the level of maintenance you’re willing to undertake.
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Decor Outdoor
decoroutdoor.com › blog › outdoor-fire-pit-buying-guide-materials
Best Materials for Fire Pits – Metal vs Mineral Options
March 4, 2025 - Untreated steel is susceptible to rust and needs to be powder-coated to protect it from the elements. Stainless steel fire pits, on the other hand, contain additional chromium which makes them corrosion-resistant. Stainless steel a great choice ...
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Woodland Direct
woodlanddirect.com › home › fire pits › shop by type › steel
Steel Fire Pits - Wood, Propane, & Natural Gas | Woodland Direct
Sere Fia Steel Gas Fire Pit - 38" by Modern Steel · 4 out of 5 Customer Rating (8) Item #M44500020 · FREE Shipping · Customize To Purchase View Details · FREE Shipping · Save to List · View Details · Add to Cart · $900.00 · Necessories Steel Insert and Cooking Grate for Ring Fire Pit by Necessories ·
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Authenteak
authenteak.com › blog › what-is-the-best-fire-pit-material-for-you-our-guide-to-fire-pit-materials › - › 811889
What is the best fire pit material for you? Our guide to ...
Carbon steel is an exceptionally durable and low-maintenance material that can resist high heat and intense weather conditions. Fire Pit Art offers sculptural carbon steel fire pits handcrafted in Tennessee and available in a variety of sizes and unique shapes.
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Samsweldinginc
samsweldinginc.com › is-metal-a-good-material-choice-for-your-outdoor-fire-pitd81e65a7
Is Metal a Good Material Choice for Your Outdoor Fire Pit?
June 5, 2023 - Your fire will spread evenly across the entire surface of the metal, providing you with uniform heat throughout the entire evening. ... You might wonder which metal is the best choice. You have three main metals for fire pits: aluminum, stainless steel, and cast iron.
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Ohio Flame
ohioflame.com
Ohio Flame Metal Fire Pits - Custom Made in the USA
With no parts to break or wear out over time, this Fire Pit is built to last a lifetime. “ ... Liberty - 'Stars and Stripes' Limited Release” is crafted from thick carbon American steel that is sourced from local steel mills. No maintenance is required for this Fire Pit, as it’s designed to withstand the elements year-round.
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Houzz
houzz.com › discussions › 1215588 › which-fire-pit-material-is-best
Which Fire Pit Material Is Best?
October 10, 2014 - Fire pits are made of different materials and finishes. Tell us which finish you think is the toughest, the most attractive, or the one you would most enjoy having. Thanks for your participation! ... I asked my husband who has been a firefighter for 30 years which he thinks is best, and he said carbon, and the stainless is the worst as it transfers heat easily.
Top answer
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I have played with various fire pit options in my backyard for 15 years. I have tons and tons of trees and yard waste and try to burn most or turn it into compost. I have grabbed the saucers from trash piles and used those - can't put much on there and wind blows stuff off easy. I have had an enclosed mini-chimney pit I built from stones. This worked great but was harder to clean and I had to break down the wood into pretty small pieces.

So I have happily moved on to an in ground pit. I dug my pit down about three feet into the ground about four feet long by two feet wide. There is one row of stones below ground level and two rows above ground. It was made from neighbors throw away stones - and the neighbors throw their wood in the pit. It is safe, looks good, and I just shovel it out every 3 months.

The example above is pretty close to what I have done except:

  • Mine is longer going left to right
  • I have one brick removed on the right so that I can get in and out or prop something up without knocking over bricks. So it is more of a horse shoe.
  • My pit goes about a foot above ground. This is so that ashes don't hit grass directly and so that someone can't just walk into it (we are picky about which limbs we burn).
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The internal bowl/barrel of an old washing machine works well for an above-ground solution - the holes around the sides allow the embers to breathe well and help to radiate heat.

You can add legs as this person has, or simply prop it up on a slab or some bricks.

Just make sure that it IS metal - a lot of the newer/cheaper washing machines use plastic barrels, which... don't work.

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Ahl-corten
ahl-corten.com › news › what-type-of-metal-is-best-for-a-fire-pit.html
What Type of Metal is Best for a Fire Pit?
► Advantages: • Corrosion-resistant: Doesn't rust and is excellent for use in humid environments. • Lightweight: Convenient to carry. • Affordable: Cheaper than stainless steel. ► Disadvantages: • Poor Insulation: Insulation is not as good as other metals.
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Quora
quora.com › What-is-the-best-type-of-steel-for-a-fire-pit
What is the best type of steel for a fire pit? - Quora
Answer (1 of 3): All German alloys which start with 1.47 You can google the Aisi or Chinese Equivalent Names for them… I can remember two, Aisi 409 and Aisi 405 Those can withstand 1200 celsius with no problem, so as long as you dont start your Firepit with some high volume Air Blower which tu...
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Walden Backyards
waldenbackyards.com › home › about fire pits › about fire pits
Best Materials for Building a Durable Fire Pit | Expert Tips From Walden Backyards
March 26, 2025 - Be sure to shield your fire pit (or choose a fire pit with its own protective cover/lid) to guard it from rain, snow, and debris when not in use. For metal fire pits, maintaining their protective coating can prevent rust and corrosion. Heavy steel ...
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Hearth.com
hearth.com › forums › non-hearth forums › diy and general non-hearth advice
Lining a fire pit with sheet metal | Hearth.com Forums Home
June 26, 2017 - I used an old split ring wheel off a transport trailer . Works great as a fire ring and has not rusted out in 12 years