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Carbon Steel Checker Plate
1. Product Overview
Carbon steel checkered plate is manufactured by hot-rolling a raised anti-slip pattern (such as diamond or lentiform) onto one side of standard structural steel sheet. Utilizing base materials like ASTM A36 or Q235B, it integrates the load-bearing strength, weldability, and toughness of carbon steel with essential safety functionality. This dual-purpose material is the preferred economical and durable solution for industrial flooring, work platforms, vehicle decks, stair treads, and walkways where secure footing is critical.
2. Key Features
(1)Effective Anti-Slip Safety:
The raised diamond or lentiform pattern provides superior traction, reducing slip hazards in wet or oily industrial environments.
(2)Structural Strength and Durability:
Manufactured from standard structural steel grades (e.g., A36, Q235B), it maintains the load-bearing capacity, weldability, and toughness of the base material.
(3)Versatile and Economical:
Serves a dual function as both a structural component and a finished walking surface, offering a cost-effective, all-in-one solution for platforms, stair treads, and vehicle ramps.
3. Technical Parameters of Carbon Steel Checker Plate
| Parameter | Specification / Typical Range | Standard / Note |
|---|---|---|
| Base Material Standard | ASTM A36, JIS G3101 SS400, GB/T 3274 Q235B, EN 10025-2 S235JR | Defines the steel grade's mechanical/chemical properties. |
| Pattern Standard | GB/T 3277, JIS G3194, DIN 59200 | Governs pattern type (diamond, lentil), height, and spacing. |
| Pattern Type | Diamond, Lentiform (Bean), Round Bean, Combined | Diamond is the most common for anti-slip. |
| Plate Thickness (Base) | 2.0 mm ~ 10.0 mm (common commercial range) | Thickness refers to the base metal, excluding pattern height. |
| Pattern Height | 0.5 mm ~ 1.5 mm | Varies with pattern type and plate thickness. |
| Width Range | 1000 mm ~ 1500 mm | Standard mill widths, can be sheared to size. |
| Length Range | 6000 mm ~ 12000 mm | Standard random mill lengths or cut-to-length. |
| Surface Condition | As-rolled (with mill scale), Pickled & Oiled, Blasted | Determines readiness for painting or immediate use. |
| Primary Application | Industrial flooring, stair treads, work platforms, truck beds, walkways | Chosen for its anti-slip properties and structural strength. |
4. Application Scenarios
(1)Industrial Work Platforms and Walkways:
Primarily used for factory floors, mezzanines, catwalks, and access platforms where its anti-slip pattern provides essential worker safety in potentially oily, wet, or dusty environments.
(2)Transportation and Vehicle Decks:
Essential for the bed liners of dump trucks, trailers, and utility vehicles, as well as for stair treads on buses, trains, and ships, where it ensures secure footing and withstands heavy wear and impact.
(3)Architectural and Infrastructure Safety Features:
Employed in public and commercial settings for staircases, fire escapes, loading ramps, and drainage covers, combining functional slip resistance with structural durability for long-term use.
5. FAQ
Q1:What are the main differences between diamond and lentil patterns?
A1:The diamond pattern generally offers superior anti-slip performance in all directions. The lentil (or bean) pattern provides good slip resistance and is often chosen for its smoother surface, which is easier to clean and is considered slightly more aesthetic for some architectural applications.
Q2:Does checkered plate require any surface treatment before use?
A2:This depends on the environment. For indoor use, the as-rolled surface may be sufficient. For corrosive environments or outdoor exposure, the mill scale should be removed via blasting or pickling, followed by the application of protective paint or coatings to prevent rust.
Q3:How is checkered plate priced compared to flat sheet of the same grade?
Checkered plate is typically more expensive per unit weight than equivalent flat sheet due to the additional pattern-rolling process. However, it provides combined material (structural plate) and function (finished walking surface), which can offer overall project cost savings.
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