Porcelain coated cast iron and steel grill grates combine durable construction with non-stick surfaces, making cleanup easier and heat retention stronger. These grates are compatible with a range of popular grill models, helping you achieve restaurant-worthy sear marks and even cooking. Below, five carefully chosen options emphasize fit, heat distribution, and longevity for American backyard grilling.
Summary of chosen products:
| Product | Brand | Size (approx.) | Material | Key Benefit |
|---|---|---|---|---|
| Hongso 17 3/4 Inch Porcelain Coated Cast Iron Cooking Grid | Hongso | 8 15/16″ x 17 3/4″ | Porcelain Coated Cast Iron | Wide fit for Brinkmann and Charmglow models; non-stick surface |
| Hongso 8835 21.5 Inch Non-Stick Porcelain Coated Grates | Hongso | 21.5″ total; 21.5″ diameter grid | Porcelain Coated Cast Iron | Fits many Weber 22″ kettles; large grate area |
| Hongso 7638 17.5″ Polished Porcelain Cast Iron Grates | Hongso | 17.5″ grate; about 17.5″ x 9″ | Polished Porcelain Cast Iron | Wide fit for Weber Spirit/Genesis lines; strong heat retention |
| Direct Store Parts DC121 16 7/8″ Grates | Direct Store | 16 7/8″ x 9 5/16″ per grid | Porcelain Coated Cast Iron | Extensive compatibility across Charbroil and Master Chef models |
| Hongso 17 inch Grates for Nexgrill and Others | Hongso | 17″ x 13 1/4″ (each); total 17″ x 26 1/2″ | Porcelain Coated Cast Iron | Fits Nexgrill 4 and 5 burner lines; versatile for multiple brands |
Hongso 17 3/4 Inch Porcelain Coated Cast Iron Grate

These 8 15/16″ by 17 3/4″ grates are porcelain coated cast iron, designed to replace multiple Brinkmann and Charmglow models. They’re sold as a 3-pack, reducing the need for frequent replacements. The porcelain coating delivers non-stick properties and easier cleanup while maintaining robust heat retention for even searing. They fit several Brinkmann and Charmglow grills and can be used as a direct upgrade for improved longevity. Tip: avoid stainless steel brushes or sharp knives to protect the coating and extend grate life.
Hongso 8835 21.5 Inch Porcelain Grates For Weber 22-Inch

These 21.5-inch porcelain coated cast iron grates are tailored for Weber Original Kettle Premium and related 22-inch models. The entire grate spans about 21.5″ in diameter with an inner cooking grid of 12″ diameter, offering ample surface area for family-size meals. The non-stick, enamel-like coating helps reduce sticking and simplifies cleanup after grilling. This option is suitable for Weber 22.5″ family grills and some related charcoal kettle configurations.
Hongso 7638 Polished Porcelain Cast Iron Grates

Hongso’s 7638 model in polished porcelain cast iron grates provides compatibility with Weber Spirit 300/310/320 and Genesis lines. These 17.5-inch grates are designed for heavy-duty use, retaining heat for longer and delivering pronounced grill marks. The enameled surface reduces rust and sticking, aiding in easier cleanup. If your grill requires a 17.5-inch replacement, this option gives a robust combination of heat retention and even cooking performance.
Direct Store DC121 16 7/8″ Porcelain Grates

Direct Store’s 16 7/8″ by 9 5/16″ porcelain coated cast iron grates come in a three-pack and are designed for Charbroil and Master Chef models, among others. They offer wide compatibility with various 3- and 4-burner gas grills and help deliver even heat distribution. The kit’s grids are positioned to maximize sear performance and provide a stable cooking surface, though users should handle porcelain casts carefully during installation to avoid chipping.
Hongso 17 Inch Grates For Nexgrill And More

These 17-inch porcelain coated cast iron grates fit a broad range of Nexgrill 4- and 5-burner models, as well as Charbroil and Kenmore units. They provide substantial heat retention and durable non-stick surfaces, making them a versatile upgrade for multiple grill lines. If you own a Nexgrill or related model, this set supports a straightforward swap with quality construction and a long lifespan.
Buying Guide: Porcelain Coated Grates
- Size and fit: Grates must match your grill’s interior dimensions. Measure the length and width of the cooking area to avoid gaps or overlap that affect heat distribution.
- Material and coating: Porcelain coated cast iron excels at heat retention and searing. Coatings should be corrosion-resistant and smooth to minimize sticking and simplify cleaning.
- Heat management: Look for grates that distribute heat evenly. Patterns and surface thickness influence how quickly your grill reaches temperature and how well it sears.
- Maintenance: Avoid harsh metal brushes that can chip porcelain. Clean with non-abrasive brushes or plastic scrapers and mild detergents after cooling.
- Durability and replacement cycles: Cast iron grates last longer with proper care but can be heavier. Consider 3-pack options for cost efficiency and easier replacements over time.
- Brand and compatibility: Choose parts from brands with a history of compatibility with your grill model. Cross-brand compatibility can broaden replacement options.
- Warranty and return policy: Check if the seller offers a warranty or returns for damaged or misfitting parts, especially for fragile porcelain coatings.
Porcelain coated grates offer a balance of heat retention, durability, and a smoother cleanup compared to bare cast iron. For grills that require precise sizing or model-specific fittings, confirm the exact model compatibility before purchasing. When in doubt, select a multi-pack option to ensure you have a ready replacement set on hand for busy grilling seasons.