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Help CenterSteel Sheet & Plate & Checkered Steel Plate，Q235B、Q195、1060、5052、5754
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1. Product Overview
Checker plate, also named anti-slip tread plate, is rolled steel sheet with raised three-dimensional patterns pressed on surface by hot rolling process. The embossed patterns greatly increase friction coefficient to realize anti-slip, load-bearing and decorative functions.
Main categories include carbon steel checker plate, hot-dip galvanized checker plate and aluminum checker plate. Widely used for walkways, platforms, stair treads, truck floors, ship decks and factory anti-slip flooring, manufactured in accordance with GB/T 3277-2015.
2. Main Material Grades
Carbon Steel Checker Plate (Stock Main Grade)Q235B, Q195, cost-effective, widely used for indoor dry factory and stair treads.
Hot-Dip Galvanized Checker PlateBase material Q235B with zinc coating ≥275g/㎡, excellent rust resistance for outdoor, humid and open-air environment.
Aluminum Checker Plate1060, 5052, 5754, light weight, for lightweight anti-slip platforms of vehicles and ships.
3. Common Pattern Types
Lentil Pattern: Granular embossment, wear-resistant & heavy-load, for construction machinery and forklift pedals.
5-bar Pattern: Most popular type, balanced anti-slip performance, for factory walkways and stairs.
Diamond Pattern: Stereoscopic texture, strong bearing capacity, for ship decks and heavy-duty platforms.
Pointer Pattern / 3-bar Pattern: Better decorative effect, for elevator cabins and light equipment countertops.
4. Executive Standards
Domestic: GB/T 3277-2015 Checkered Steel Plate, GB/T 700 Carbon Structural Steel
Galvanizing Standard: GB/T 13912 Hot-Dip Galvanizing
Export Standards: ASTM A786, EN 10131
5. Core Specification Parameters
5.1 Base Thickness (exclude pattern height)
Stock sizes: 2.0mm, 2.5mm, 3.0mm, 4.0mm, 5.0mm, 6.0mm, 8.0mmCustom heavy thickness: 10mm, 12mm, 14mm, 16mm for heavy load.
5.2 Standard Width
1000mm, 1250mm, 1500mm (1500mm width for higher load capacity)
5.3 Standard Length
2000mm, 3000mm, 4000mm, 6000mm; cutting, bending and punching service available.
5.4 Pattern Technical Index
Pattern height ≥20% of base plate thickness; dry friction coefficient ≥0.5, wet friction coefficient ≥0.3 for stable anti-slip performance.Surface free of missing patterns, cracks, scales and oxidation pits.
6. Core Product Advantages
Excellent anti-slip performance: Raised patterns improve friction, prevent slipping under water, oil, rain and snow conditions.
High strength & material saving: Embossed patterns act as stiffeners, thinner plate can reach same load capacity as flat steel, lower material cost.
Easy processing: Support cutting, bending, welding and punching, fit for stairs, trench covers and truck floors.
Multiple anti-corrosion options: Painted carbon steel, galvanized steel and aluminum for indoor, outdoor and corrosive working conditions.
Attractive appearance & easy cleaning: Neat patterns, easy to wash off oil and dust without water accumulation dead zones.
7. Main Application Fields
Construction: stair treads, operation platforms, factory walkways, trench covers, pedestrian overpasses.
Transportation: truck cargo floors, vehicle pedals, subway anti-slip passages, ship decks.
Machinery Manufacturing: equipment worktables, factory flooring, cold storage ground, warehouse shelf base plates.
Municipal & Aquaculture: breeding farm floors, drain covers, outdoor maintenance platforms.
Decoration & Special Equipment: elevator cabins, equipment housings, anti-slip countertops (aluminum type).
8. Factory Inspection Items
Visual inspection: complete uniform patterns, free of missing galvanization, cracks and surface defects.
Dimensional inspection: tolerance check of thickness, length, width and pattern height.
Weight verification: comply with national standard theoretical weight to guarantee full size.
Extra test for galvanized plate: zinc coating weight, copper sulfate corrosion resistance test.
Bend test: 180° cold bending without pattern peeling or cracking.
9. Foreign Trade Supporting Information
Packaging: bundled by steel strips, protected with wooden pallets and waterproof film.
Loading Port: Tianjin Port; 5-7 days lead time for stock items, 12-20 days for customized thickness & material.
Payment Term: 30% TT deposit, balance against copy of BL, LC unacceptable.
Certificates: Mill Test Certificate, Factory Inspection Report, CE, ISO9001.
MOQ: 5 tons for bulk order, small sample available.
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