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For decades, Huaxiao Metal has been providing high-quality carbon steel plates of various specifications and materials for various industrial purposes.
Anti-slip carbon steel diamond plate / checker plate / tread plate in diamond, lentil, and 5-bar patterns. ISO certified factory-direct supply. Thickness 2.75–100mm, width up to 2500mm. ASTM A786, A36, Q235B, SS400 — all in stock with MTC.
No matter your industry or application, we are committed to providing you with the best carbon steel products. Looking forward to becoming one of your carbon steel plate suppliers, you are also welcome to visit our carbon steel skid plate factory!
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The available sizes of carbon steel diamond plates can vary depending on the manufacturer, supplier, and the specific requirements of the customer.
Thickness | Hot Rolled Thickness:2.75mm-100mm, as requested Cold Rolled Thickness:0.2mm-3mm, as requested |
Width | 600-2500mm, or as Your Request ( regular width 1000mm, 1250mm, 1500mm ) |
Standard | ASTM EN DIN GB ISO JIS BA |
Steel Grade | A36,Ss400,Q195, Q215,Q235,Q345,ST37, 45# ,16Mn, SPHC,SGCC,CGCC. |
Technique | Hot rolled cold rolled |
Carbon steel diamond plate comes in four main raised patterns. Each offers different slip resistance, appearance, and regional preference.
The classic elongated diamond shape. Most widely used globally — excellent slip resistance in all directions. Standard for industrial flooring and truck beds in North America & Europe.
Round or oval raised bumps — smoother appearance with moderate slip resistance. Commonly specified in Asian markets (China, Japan, Korea) for both industrial and decorative use.
Five parallel raised bars per repeat. Popular in Europe for flooring and stair treads. Provides directional slip resistance and a distinctive industrial look.
Small circular raised bumps — moderate slip resistance with a cleaner, more decorative finish. Used for wall protection, decorative panels, and light-duty flooring.
Not sure which pattern fits your project? Contact us with your application and we’ll recommend the best option.
Also known as checker plate, tread plate, chequered plate, or floor plate — here’s what you need to know before you buy.
Carbon steel diamond plate is a hot-rolled or cold-rolled steel sheet with a raised diamond, lentil, or 5-bar pattern embossed on one side and a smooth reverse side. The raised pattern creates a high-friction surface that prevents slips — making it the go-to material for industrial flooring, stair treads, truck beds, ramps, loading docks, and heavy equipment platforms.
At Huaxiao Metal, we manufacture diamond plate to ASTM A786 (the definitive standard for steel floor plates) as well as ASTM A36, JIS SS400, EN S235/S275/S355, and GB Q235B/Q345B. Every plate ships with a full Mill Test Certificate (EN 10204 3.1) so you know exactly what you’re getting — chemical composition, mechanical properties, and pattern uniformity all verified.
Choose the right steel grade for your application. Below is a cross-reference of equivalent grades across international standards.
| Grade | Standard | Yield (MPa) | Tensile (MPa) | Best For | Equivalent |
|---|---|---|---|---|---|
| A36 | ASTM A786 / A36 | 250 | 400–550 | General structural, flooring, truck beds | SS400, Q235B, S235JR |
| Q235B | GB/T 3277 | 235 | 370–500 | Construction, platforms, stair treads | A36, SS400, S235JR |
| SS400 | JIS G3101 | 245 | 400–510 | General structural (Japanese standard) | A36, Q235B |
| A572 Gr.50 | ASTM A572 | 345 | 450 | Heavy-load flooring, bridges, marine | Q345B, S355JR |
| Q345B | GB/T 1591 | 345 | 470–630 | High-strength structural applications | A572, S355JR |
| S235JR | EN 10025-2 | 235 | 360–510 | European structural and flooring | A36, Q235B |
| S355J2 | EN 10025-2 | 355 | 470–630 | Heavy-duty European applications | A572, Q345B |
Unleash Precision and Durability with Our Premium Carbon Steel Diamond Plate for Sale!
Strength and Durability: Carbon steel is known for its strength and durability, making carbon steel diamond plate a robust and long-lasting material.
Versatility: It is used in a variety of applications, such as flooring in industrial settings, vehicle running boards, trailer floors, and wall panels.
Corrosion Resistance: While carbon steel can be susceptible to corrosion, some variations of carbon steel diamond plate may be coated or treated to enhance corrosion resistance, depending on the intended application.
Thickness and Sizes: Carbon steel diamond plate comes in various thicknesses and sizes to suit different requirements. Common thicknesses range from 1/8 inch to 1/2 inch.
Weldability: Carbon steel is generally weldable, allowing for ease of fabrication and customization.
Carbon steel tread plate, also known as diamond plate or checker plate, is widely used in various applications due to its durability, slip resistance, and aesthetic appeal. Here are some common applications for carbon steel tread plates:
Industrial Flooring: One of the primary applications is industrial flooring in manufacturing plants, factories, warehouses, and other facilities. The raised diamond pattern provides traction, making it safer for workers to walk on.
Stair Treads: Carbon steel tread plate is commonly used as stair treads in both indoor and outdoor settings. The raised pattern helps prevent slips and falls, enhancing safety on stairs.
Vehicle Running Boards: Tread plate is often used as running boards on vehicles, such as trucks, buses, and utility vehicles. It provides a non-slip surface for entering and exiting the vehicle.
Truck Bed Liners: Due to its durability and resistance to wear, carbon steel tread plate is used as a lining material for truck beds. This helps protect the bed from damage caused by the loading and unloading of heavy or abrasive materials.
5. Ramps and Platforms: A tread plate is used in the construction of ramps and platforms where a non-slip surface is essential. This is particularly important in areas where there may be exposure to water, oil, or other slippery substances.
6. Wall Protection: In some settings, a carbon steel tread plate is applied to walls to protect against damage from equipment, carts, or other objects. The raised pattern can also serve an aesthetic purpose in certain architectural designs.
7. Decorative Applications: Beyond its functional uses, carbon steel tread plate is sometimes used for decorative purposes in architectural and interior design. The diamond pattern can add a visually interesting element to surfaces.
8. Toolboxes and Storage Units: Tread plate is utilized in the construction of toolboxes and storage units to add strength and durability. It also serves as a practical surface that can withstand the wear and tear associated with storing tools and equipment.
9. Trailers and Platforms: Treadplate is commonly used in the construction of trailers and trailer floors, as well as on loading platforms, to provide a durable and slip-resistant surface for loading and unloading.
When using carbon steel tread plate, it’s important to consider factors such as the load-bearing requirements, environmental conditions, and whether any additional coatings or treatments are needed for corrosion resistance.
Looking Forward to Becoming One of Your Carbon Steel Tread Plate Suppliers





The Carbon Steel Diamond Plate packaging pictures above are the packaging details of our company’s previous exports to Canada. If customers have other packaging requirements, we can meet them.
Quick answers to the questions our buyers ask most often.
Carbon steel diamond plate, also called checker plate, tread plate, chequered plate, or floor plate, is a hot-rolled or cold-rolled steel sheet with a raised diamond or lug pattern embossed on one side and a smooth reverse side. The raised pattern provides superior slip resistance, making it ideal for industrial flooring, stairs, ramps, truck beds, and platforms where traction and durability are critical. It conforms to ASTM A786, ASTM A36, and equivalent international standards.
“Diamond plate” and “checker plate” are often used interchangeably, but there are subtle differences. Diamond plate has a raised diamond-shaped pattern (single elongated diamonds) — this is the most common type in North America. Checker plate (also spelled “chequered plate” in British English) is the broader term that can describe diamond-patterned, lentil-patterned, and 5-bar patterned plates. In practice, both terms refer to anti-slip raised-pattern steel sheets. See our pattern comparison section above for details.
The primary standard is ASTM A786 — Standard Specification for Hot-Rolled Carbon, Low-Alloy, High-Strength Low-Alloy, and Alloy Steel Floor Plates. Other applicable standards include ASTM A36 (carbon structural steel), EN 10025 S235/S275/S355 (European hot-rolled structural steel), JIS G3101 SS400 (Japanese rolled steel for general structure), and GB/T 3277 (Chinese standard for hot-rolled checkered steel plates). Always verify the applicable standard with your project engineer before ordering.
We stock hot-rolled diamond plate from 2.75mm to 100mm and cold-rolled diamond plate from 0.2mm to 3mm. For anti-slip flooring applications, the most common thicknesses are 2.75mm, 3mm, 4.5mm, 6mm, and 8mm. For heavy-duty applications (forklift traffic, heavy equipment), 10mm, 12mm, and thicker are recommended. Note: diamond plate thickness is measured by base plate thickness — the raised pattern adds 1.0–2.5mm on top.
Yes. We offer laser cutting, plasma cutting, water jet cutting, shearing, bending, drilling, and welding for carbon steel diamond plate. We can process to your exact drawings — finished components ready for installation. Custom sizes, non-standard dimensions, and specific pattern requirements are our specialty. Send us your specifications for a quote.
Contact Huaxiao Metal via email, WhatsApp, or the inquiry form on our website. Final pricing depends on grade (A36, Q235B, A572, etc.), thickness, dimensions, pattern type, quantity, surface treatment (mill finish, galvanized, painted), and shipping destination. We provide FOB, CIF, or DDP quotes. You will receive a detailed quotation within 12 hours including MTC, lead time, and shipping cost breakdown.
Yes, but with the right finish. Standard mill-finish carbon steel diamond plate will rust when exposed to moisture outdoors. For outdoor applications, we recommend: hot-dip galvanized diamond plate (best long-term protection, 50+ year service life), painted or powder-coated diamond plate (good protection, color options), or upgrading to stainless steel diamond plate for harsh/corrosive environments. Let us know your conditions and we’ll recommend the right coating.
Whether you are looking for a carbon steel supplier or want competitive Carbon Steel Diamond Plate Prices, Huaxiao Metal is your trustworthy partner. Welcome to contact us and let us work together to create a better future!
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