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Help CenterSteel Sheet & Plate & Anti-Slip Checkered Steel Plate，Q235C/D、Q355C/D、Z80、Z120、Z160
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Checkered Steel Plate Product Detailed Description
1. Product Overview
Checkered steel plate is a hot-rolled/cold-rolled metal plate with regular raised patterns on the surface. It integrates anti-slip, wear-resistant, structural reinforcement and decorative properties, widely used in industrial platforms, stair treads, ship decks, workshop floors, vehicle bottom plates and architectural decoration fields.
2. Execution Standards
National Standard: GB/T 3277-2015 Checkered Steel Plate
General Standards: GB 700 (Carbon Steel), GB 709 (Hot Rolled Plate Dimension), GB 712 (Ship Steel), GB 4171 (Weathering Steel)
3. Material Classification (Common Grades & Characteristics)
Carbon Structural Steel: Q235B (Mainstream), Q355BFeatures: High strength, cost-effective, easy processingApplication: Industrial platforms, stairs, workshop floors (most widely used)
Weathering Steel: Q355NH, Q235NHFeatures: Excellent atmospheric corrosion resistance, stable rust layerApplication: Open-air platforms, ports, bridge auxiliary structures
Galvanized Steel: Q235B + Hot-dip Galvanized (Z)Features: Strong anti-corrosion, high cost performanceApplication: Humid environment, outdoor facilities (galvanized layer ≥85μm)
Wear-resistant Steel: NM360, Mn13Features: High wear resistance, impact resistanceApplication: Mining machinery, heavy equipment bottom plates, hoppers
4. Checkered Pattern Types (4 Main National Standard Types)
Diamond Pattern (LX): Best anti-slip performance, uniform stress, not easy to accumulate dirtUse: Industrial platforms, ship decks, stair treads
Lentil Pattern (BD): Round and smooth protrusion, comfortable walking, balanced wear resistanceUse: Building walkways, vehicle pedals, indoor floors
Round Bean Pattern (YD): Small and delicate protrusion, easy to clean, mild anti-slip effectUse: Mall passages, toilets, light-duty platforms
Willow Leaf Pattern (LY): Smooth lines, strong decoration, general anti-slip performanceUse: Exterior wall decoration, landscape components, facade modeling
5. Standard Dimensions (Base plate thickness excludes pattern protrusion height)
Thickness (mm, Common Sizes)
Hot-rolled (Mainstream): 2.5, 3.0, 3.5, 4.0, 4.5, 5.0, 6.0, 7.0, 8.0, 10, 12Heavy-load customized: 16–20mm
Cold-rolled (Thin Gauge): 1.0, 1.2, 1.5, 2.0, 2.5, 3.0 (Decoration & Light load)
Pattern protrusion height: 0.5–2.0mm (not included in base plate thickness)
Width (mm)
Mainstream: 1000, 1220, 1250, 1500mmCustomized: 600–1800mm, Super width up to 2000mm
Length (mm)
Mainstream fixed length: 2000, 2440, 6000mmCustomized: 2000–12000mm, available for cutting to size
Theoretical Weight (Q235B Diamond Pattern, kg/㎡)
2.5mm:21.6 3.0mm:25.6 4.0mm:33.4 5.0mm:42.3 6.0mm:50.1 8.0mm:67.8
6. Model Designation Method (GB/T 3277)
Complete Format: Material + Pattern Code + Thickness×Width×Length + Standard No.Example: Q235B-BD-5×1500×6000-GB/T 3277
Simplified Format: Pattern Code + Thickness×Width×Length (Default Material: Q235B)Example: BD-5×1500×6000
7. Mechanical Properties (Q235B Reference)
Yield Strength: ≥235MPaTensile Strength: 370–500MPaElongation: ≥26%Hardness: HB approx. 137
8. Surface Treatment
Hot Rolled Original Surface: With anti-rust oil (Ordinary industrial environment)
Hot-dip Galvanized: Z80/Z120/Z160 (Outdoor & humid environment, coating ≥85μm)
Electro-galvanized: SECC (Indoor decoration, bright and beautiful)
Stainless Steel Polishing: 2B/BA/Mirror Finish (Food & medical industry)
9. Application Scope
Industry: Workshop floor, equipment platform, stair tread, trench cover plateTransportation: Ship deck, truck/semi-trailer bottom plate, container floorConstruction: Walkway, staircase, exterior wall decoration, anti-slip rampSpecial Use: Food processing tabletop, chemical anti-corrosion platform, mining wear-resistant liner
10. Packaging & Delivery
Packaging: Bundled (2–5 tons per bundle), moisture-proof film + anti-rust paper, marked with specification, material and batch number on plate tag
Delivery: Conventional specifications lead time 5-7 days; customized processing available including cutting, punching, bending and welding.
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