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Help CenterSteel Sheet & Plate & Checkered Steel Plate，2.5mm、3.0mm、3.5mm、4.0mm、4.5mm、5.0mm
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Steel Sheet & Plate & Checkered Steel Plate，2.5mm、3.0mm、3.5mm、4.0mm、4.5mm、5.0mmNegotiableMOQ: 5 Metric Tons -
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Checkered plate (also known as anti-slip plate or embossed plate) is a carbon steel plate with regular raised patterns rolled on the surface through hot rolling process. It features excellent anti-slip and wear resistance, high load-bearing capacity, high strength, cost-effectiveness, easy processing and simple later maintenance. Widely applied for anti-slip, load-bearing and structural paving in industrial plants, construction engineering, road traffic, mechanical equipment and other scenarios, it is a universal anti-slip and load-bearing steel material in the market.
I. Core Materials and Executive Standards
1. Common Materials
Q235B Carbon Steel Checkered Plate: The most widely used material in the market with good toughness, excellent plasticity and weldability and high cost performance. It is the preferred material for most light and medium-duty anti-slip and load-bearing engineering scenarios.
Q355B Low-Alloy Checkered Plate: A high-strength material with far better load-bearing capacity, impact resistance and compression resistance than ordinary Q235 steel. It is suitable for heavy-duty, high-pressure and frequently stressed industrial scenarios, featuring non-deformation and stable load-bearing performance.
Hot-Dip Galvanized Checkered Plate: Made of carbon steel checkered plate substrate with overall hot-dip galvanizing treatment. The surface is rust and corrosion resistant without additional painting. It is applicable to outdoor, humid, open-air and water-prone environments, greatly extending the service life.
Aluminum Alloy Checkered Plate: Light weight, rust and moisture resistant, decorative and low self-weight load. It is mostly used for lightweight decoration, indoor walkways and lightweight anti-slip platforms of equipment, ideal for scenarios with low load-bearing requirements and high demands for appearance and rust prevention.
2. Executive Standards
National Core Standard: YB/T 4159-2007 Checkered Steel Plates and Strips
Dimensional Deviation Standard: GB/T 709 Dimensions, Shape, Weight and Allowable Deviations of Hot-Rolled Steel Plates and Strips
Ship Special Standard: GB 712 Structural Steel for Ship Hulls (special for ship deck and cabin load-bearing)
II. Specification Parameters (National Standard General)
1. Thickness Parameters (substrate thickness, excluding pattern protrusions)
Mainstream conventional thickness: 2.0mm-8.0mm. In-stock specifications: 2.5mm, 3.0mm, 3.5mm, 4.0mm, 4.5mm, 5.0mm, 6.0mm, 8.0mm.
Pattern height: The national standard requires the pattern height to be no less than 20% of the substrate thickness. The conventional finished pattern height is 0.5mm-2mm with full protrusions and clear lines, ensuring stable anti-slip performance.
Thickness tolerance: 2.5-3.5mm (±0.3mm); 4-4.5mm (±0.4mm); 5-5.5mm (+0.4/-0.5mm); 6mm (+0.5/-0.6mm), complying with national standard tolerance range.
2. Length and Width Dimensions
Standard width: 1000mm, 1250mm, 1500mm, customizable up to 2000mm, width tolerance ±10mm.
Standard length: 2000mm, 4000mm, 6000mm, 8000mm. Arbitrary fixed-size cutting is supported with length tolerance +100mm. Custom processing such as zero cutting and bending is available on demand.
3. Theoretical Weight Reference (kg/㎡)
Substrate Thickness (mm) |
Diamond Pattern |
Lentil Pattern |
Round Bean Pattern |
2.5 |
21.6 |
21.3 |
21.1 |
3.0 |
25.6 |
24.4 |
24.3 |
4.0 |
34.4 |
33.4 |
33.2 |
5.0 |
43.2 |
42.2 |
41.9 |
6.0 |
52.0 |
51.0 |
50.7 |
III. Main Pattern Types and Applicable Characteristics
1. Diamond Pattern (Engineering Preferred)
Featuring symmetrical diamond grid lines with three-dimensional and stable structure, it has the optimal anti-slip performance. It bears force evenly, resists pressure, dust and water accumulation, and is wear-resistant with excellent load-bearing stability.
Application: Industrial heavy-duty platforms, equipment pedals, ship decks, factory floors, underground garage ramps, factory walkways.
2. Lentil Pattern (Mainstream Market Choice)
With continuous and rounded lentil-shaped protrusions, the lines are coherent with high walking comfort and no sharp edges. It has balanced anti-slip performance, compression resistance and deformation resistance, delivering the highest overall cost performance.
Application: Building stair treads, pedestrian overpass decks, truck carriage floors, light-duty equipment platforms, factory walkways.
3. Round Bean Pattern
Small and rounded protrusions ensure good surface flatness and moderate anti-slip strength. Its biggest advantage is easy cleaning and no dirt accumulation with a neat and beautiful overall appearance.
Application: Indoor passages, factory office walkways, light decorative paving, clean workshop floors.
4. Willow Leaf / Composite Pattern
It features smooth and three-dimensional lines with prominent decorative performance and moderate anti-slip capacity. The flat-round composite pattern balances anti-slip performance and aesthetics, suitable for landscape and decorative engineering.
Application: Exterior wall decoration, industrial-style indoor paving, landscape steel structure components, decorative shaped plates.
IV. Core Performance Advantages
Excellent Anti-slip Performance: The three-dimensional raised patterns greatly increase the friction force of the contact surface. The dry anti-slip coefficient is ≥0.6, and good anti-slip effect is maintained in humid and slightly oily environments, effectively preventing personnel slipping and equipment displacement.
High Load-bearing & Deformation Resistance: The carbon steel substrate has stable mechanical properties. The Q355B high-strength material can withstand heavy pressure and impact, resisting rolling and bending deformation under long-term load, adapting to various industrial load-bearing scenarios.
Multi-scene Rust Prevention Solutions: Ordinary carbon steel plates can be painted with anti-rust paint for corrosion protection; galvanized checkered plates come with a rust-proof layer to resist outdoor wind, rain and humid water accumulation, greatly extending the service life.
Easy Processing & Installation: It supports arbitrary cutting, bending, punching and welding to meet on-site special-shaped processing needs. It can be fixed by welding or bolts with high construction efficiency.
Aesthetic & Low Maintenance: The regular patterns present a tough texture with both practicality and decoration. The pattern gaps enable rapid water and dust drainage, requiring simple daily cleaning and no complex maintenance.
High Cost Performance: It saves steel consumption compared with ordinary flat plates under the same load-bearing strength with low cost, suitable for large-scale engineering procurement.
V. Surface Treatment Processes
Hot-Rolled Black Surface: Original hot-rolled surface with the lowest cost, suitable for indoor dry industrial scenarios and non-decorative load-bearing structures.
Pickling & Finishing: Removes surface oxide scale and rust to form a clean silver-bright surface without impurities, suitable for welding processing and subsequent anti-rust painting.
Hot-Dip Galvanizing: Integral galvanizing with uniform and high-adhesion coating for rust and corrosion resistance. Special for outdoor, open-air and humid environments with no need for later painting.
Anti-rust Painting: Customizable industrial paints such as black, gray and yellow for beauty, rust prevention and warning effects, suitable for factory passage and pedal decoration.
VI. Main Application Scenarios
1. Industrial Field
Factory anti-slip floors, heavy-duty mechanical equipment platforms, workshop stair treads, load-bearing floors of power plants and chemical workshops, industrial operation table paving, ship decks and cabin floors.
2. Construction & Municipal Field
Steel structure stair treads, pedestrian overpass decks, underground garage anti-slip ramps, factory walkways, municipal anti-slip cover plates, industrial factory exterior wall decoration, landscape steel structure components.
3. Transportation & Logistics Field
Truck and container floors, logistics equipment pedals, engineering vehicle anti-slip liners, anti-slip passages of stations and airports, transportation infrastructure anti-slip paving.
4. General Light-Duty Scenarios
Indoor industrial-style paving, equipment protection platforms, factory walkways, light decorative shaped plates, etc.
VII. Selection and Installation Guidelines
1. Selection Guide
Ordinary indoor dry and light load-bearing scenarios: Prefer Q235B ordinary checkered plate (2.5-4.0mm) for the best cost performance.
Heavy-duty, high-pressure and frequently stressed scenarios: PreferQ355B high-strength checkered plate (above 5.0mm) for enhanced deformation resistance and load-bearing capacity.
Outdoor, open-air and water-prone scenarios: Prefer hot-dip galvanized checkered plate for rust resistance and low maintenance frequency.
Lightweight, decorative and low-load scenarios: Optional aluminum alloy checkered plate with light weight, good appearance and permanent rust resistance.
Anti-slip priority: Diamond > Lentil > Round Bean; Cleaning & Decoration priority: Round Bean > Lentil > Diamond.
2. Installation & Maintenance Guidelines
Cutting Processing: Adopt flame or plasma cutting to ensure smooth and burr-free cuts and avoid plate deformation.
Fixation Method: Can be fixed by welding or bolt punching. Welding positions shall be polished and derusted with anti-rust paint supplemented in a timely manner.
Daily Maintenance: Regularly clean surface dust and oil stains. Repaint ordinary carbon steel plates periodically, while galvanized plates require no frequent maintenance.
VIII. Packaging & Delivery Instructions
Products are tightly bundled with steel strips and covered with surface protective film to prevent scratches. Each batch is equipped with product certificate, material report and mechanical property test report for traceable quality.
Standard sizes are in sufficient stock. Deep processing services including zero cutting, fixed sizing, bending, galvanizing and painting are available. The delivery cycle of non-standard customized specifications is 7-15 days to meet various customized engineering needs.
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