Why DDR BBQ Supply?
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35+ Years of Smoking Experience
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Trusted by 10,000+ BBQ Enthusiasts
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Handpicked for Quality & Performance
The Custom Grill Grate 20" L x 20.5" W x 1/2" Thick is built for pitmasters, smoker builders, and backyard BBQ cooks who need a durable replacement grate for high-heat cooking and long smoking sessions.
Whether you're restoring an offset smoker, replacing a worn cooking grate, upgrading a firebox, or building a custom BBQ pit, this heavy-duty steel grate is made to handle repeated use. Each grate is fabricated from 3/16-inch A36 carbon steel and framed and welded for additional strength, resulting in an approximately 1/2-inch finished thickness.
From briskets and pork shoulders to cast iron skillets and Dutch ovens, this grate provides the strength and durability needed for serious outdoor cooking.
Grates take 1–2 weeks to mail from the date of purchase as every grate is cut to order.
Why You'll Love It- Heavy-Duty A36 Carbon Steel: Built to withstand repeated high-heat grilling and smoking.
- Framed and Welded Construction: Adds rigidity and strength compared with lightweight replacement grates.
- 3/16-Inch Steel Plate: Provides a durable cooking surface with approximately 1/2-inch finished thickness.
- Versatile Replacement Grate: Works well for smokers, grills, fireboxes, fire pits, and custom BBQ builds.
- Supports Heavy Cookware: Strong enough for cast iron skillets, Dutch ovens, and large cuts of meat.
- Made in the USA: Fabricated by two competitive pitmasters who understand how BBQ equipment gets used.
- Cut to Order: Each grate is fabricated specifically for the listed dimensions.
Thin replacement grates can warp, sag, or wear out after repeated exposure to high temperatures. This custom steel grill grate is designed for BBQ setups where strength and long-term durability matter.
The 20" x 20.5" footprint makes it a versatile option for offset smokers, charcoal grills, fireboxes, custom-built pits, outdoor cook stations, and other live-fire cooking applications.
The framed construction gives the grate additional rigidity while the open cooking surface allows heat and smoke to circulate around your food.
Product Specifications- Length: 20 inches
- Width: 20.5 inches
- Finished Thickness: Approximately 1/2 inch
- Steel Thickness: 3/16 inch
- Material: A36 Carbon Steel
- Construction: Framed and welded
- Finish: Raw carbon steel
- Made In: USA
- Production: Cut to order
- Lead Time: Grates take 1–2 weeks to mail from the date of purchase
- Offset smoker cooking grates
- Smoker firebox grates
- Charcoal grills
- Custom smoker builds
- Custom BBQ pits
- Outdoor cook stations
- Portable fire pits
- Live-fire cooking setups
- Replacement grill grates
- Cast iron cooking setups
- BBQ cooks replacing a worn or damaged smoker grate
- People restoring offset smokers and charcoal pits
- DIY smoker builders working on custom BBQ projects
- Metal fabricators building smokers or outdoor cooking equipment
- Backyard cooks who want a heavier-duty replacement grate
- Pitmasters who need a strong steel surface for large cuts of meat
- Measure your smoker, grill, or firebox carefully before ordering.
- Measure both the existing grate and the opening where the new grate will sit.
- Clean and season the grate before its first cook.
- Apply a thin layer of cooking oil after cleaning to help protect the carbon steel from moisture.
- Store the grate in a dry environment whenever possible to help minimize surface rust.
- Use the heavy-duty grate to support Dutch ovens, cast iron skillets, and other heavy cookware when your cooking setup allows.
Can this grate replace the original grate in my smoker?
Yes, as long as your smoker, grill, or firebox can accommodate a grate measuring 20" L x 20.5" W x approximately 1/2" thick. Always measure your equipment before ordering because grate dimensions can vary even between similar smoker models.
Is this a cooking grate or a firebox grate?
It can be used in a variety of applications depending on your smoker or pit design, including cooking chambers, fireboxes, charcoal grills, custom smokers, and outdoor cooking setups.
What is the grate made from?
This grate is fabricated from A36 carbon steel. The cooking surface uses 3/16-inch steel plate with framed and welded construction, resulting in an approximately 1/2-inch finished thickness.
Can this grate support cast iron cookware?
Yes. The heavy-duty steel and framed construction make it suitable for supporting cast iron skillets, Dutch ovens, and other heavy cookware when used in an appropriately supported grill or smoker.
Should I season the grate before using it?
Yes. Clean the grate thoroughly before its first use, then apply a light coating of high-temperature cooking oil and season it with heat. Seasoning helps protect the carbon steel and creates a better cooking surface.
Will A36 carbon steel rust?
Carbon steel can develop surface rust when exposed to moisture. Regular cleaning, seasoning, and applying a thin coating of cooking oil after use can help protect the grate.
How should I clean the grate?
Remove food residue after each cook, allow the grate to dry completely, and apply a light coating of cooking oil before storage. Avoid leaving the grate wet for extended periods.
How do I measure for the correct grate size?
Use a tape measure to determine the exact length and width you need. We recommend measuring both your existing grate and the area where the replacement grate will sit.
Please confirm your measurements carefully before ordering. Customers are responsible for selecting the correct grate size.
Will you replace the grate if I order the wrong size?
No. Our grill grates are custom cut to order, so we cannot provide a free replacement if the wrong size is purchased. Please verify all measurements before placing your order.
Do you make custom grill grate sizes?
Yes. If you need a size that is not currently listed, email info@ddrbbqsupply.com with the dimensions you need. We can provide you with a link to order the appropriate custom grate size.
How long does it take for my grate to ship?
Grates take 1–2 weeks to mail from the date of purchase as every grate is cut to order.
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With over 35 years of smoking experience, we started DDR BBQ Supply with a simple goal: to help others cook better barbecue. We've spent decades learning what works and what doesn't, and we apply that knowledge to every product we carry. From high-performance grills and smokers to carefully selected rubs, sauces, and tools, everything we offer is something we believe in and use ourselves. We don’t believe in cutting corners or selling gear we wouldn’t rely on during our own backyard cooks and when we compete in BBQ competitions.