SPEC-MM-CP01Industrial ReferenceGB · ASTM · DIN

Checkered Plate Specifications

Engineering specification reference for checkered plates and anti-slip profile sheets: pattern comparison, base materials, dimensional ranges, and reference standards. Available processes and documentation are confirmed according to each product and project.

Specification Scope
Profiles5 Standard Patterns
StandardsGB / ASTM / DIN Ref
Slip resistance confirmed per project · Availability confirmed at quote
Pattern Comparison5 Standard Profile Options

Checkered plate pattern comparison

Compare raised rolled patterns (diamond, two-bar, five-bar) and punched self-draining profile sheets (fish-eye, crocodile-mouth) for gauge ranges, pattern heights, and suitable alloys.

Raised Lug Pattern#diamond
Diamond Checkered Plate
Raised diamond lug array, multidirectional traction, classic industrial and architectural decking.
Thickness:1.5 mm – 10.0 mm
Height/Aperture:1.0 mm – 2.2 mm lug height
Materials: Hot-rolled carbon steel, galvanized steel
View technical details
Raised Rib Profile#two-bar
Two-Bar Checkered Plate
Parallel two-rib raised pattern for directional traffic and classic non-slip surface protection.
Thickness:2.0 mm – 8.0 mm
Height/Aperture:1.0 mm – 1.8 mm rib height
Materials: Carbon steel, stainless steel
View technical details
Heavy-Duty Standard#five-bar
Five-Bar Checkered Plate
Five alternating parallel ribs, widely specified for heavy industrial platforms, ramps, and stair treads.
Thickness:2.5 mm – 12.0 mm
Height/Aperture:1.2 mm – 2.0 mm rib height
Materials: Carbon steel, aluminum alloy, stainless steel (304 / 316)
View technical details
Punched & Raised Perforation#fish-eye
Fish-Eye Anti-Slip Plate
Punched round raised openings delivering multidirectional grip, liquid drainage, and light self-cleaning.
Thickness:1.5 mm – 4.0 mm
Height/Aperture:8.0 mm – 16.0 mm hole diameter
Materials: Carbon steel, stainless steel, aluminum
View technical details
Slit-and-Raised Serrated#crocodile-mouth
Crocodile Mouth Anti-Slip Plate
Slit-and-raised serrated crocodile-mouth apertures engineered for heavy debris clearance, oil resistance, and airflow.
Thickness:1.8 mm – 5.0 mm
Height/Aperture:40.0 mm – 65.0 mm opening length
Materials: Galvanized steel, aluminum, 304 stainless steel
View technical details
Note: Fish-eye and crocodile-mouth plates are punched profile sheets and do not cite rolled checkered plate product standards (GB/T 33974, ASTM A786, DIN 59220).
Slip resistance confirmed per project
Technical TopicsMaterials · Gauges · Finishes · Formats

Checkered plate engineering parameters

Processing options can be coordinated through selected in-house production or partner factories, subject to project requirements and confirmation. Standard sheet sizes may be available; availability is confirmed at quotation.

Base Materials & Grade References

Comparable grade designations across international systems; confirmed per project.

Carbon Structural SteelASTM A36 · Q235B (GB/T 700) · S235JR (EN 10025-2)

Comparable, not identical; mechanical requirements and MTR documentation confirmed per project and producing factory.

Stainless Steel AlloyASTM A240 (304 / 316) · GB/T 4237 · EN 10088-2 (1.4301 / 1.4401)

Austenitic stainless grades for chemical, food processing, washdown, and marine access floors.

Aluminum AlloyASTM B632/B632M (e.g. 6061-T6, 3003-H22) · GB/T 3880 · EN 485-2

Rolled aluminum tread plate for lightweight transport decking, steps, and interior platforms.

Tolerances & parametersConfirmed per project

Thickness & Pattern Height Ranges

Standard gauges and raised dimensions; custom profiles confirmed per project.

Light Gauge (1/8 in / 3.2 mm)1/8 in (11 Gauge, ~3.0 - 3.2 mm)

Suitable for pedestrian infill, decorative panels, and equipment safety guards.

Standard Industrial (3/16 to 1/4 in)3/16 in - 1/4 in (4.8 - 6.4 mm)

Balanced weight and stiffness for stair treads, catwalk walkways, and access platforms.

Heavy-Duty Plate (3/8 to 1/2 in)3/8 in - 1/2 in (9.5 - 12.7 mm)

Engineered for rolling loads, forklift traffic, trench covers, and loading dock aprons.

Raised Pattern / Aperture Heights1.0 mm – 2.2 mm (rolled) / 8.0 mm – 65.0 mm apertures (punched)

Pattern height, rib geometry, and pitch verified per order and producing factory tooling.

Tolerances & parametersConfirmed per project

Surface Finishes & Coatings

Corrosion protection options selected for indoor, outdoor, or aggressive environments.

Hot-Dip Galvanized (HDG)ASTM A123 / GB/T 13912 / ISO 1461 reference

Durable zinc barrier protection for outdoor catwalks, municipal trenches, and industrial stairs.

Mill Finish / Bare Plain SteelAs-rolled / unpainted mill surface

Suitable for post-fabrication welding, assembly, or secondary client finishing.

Industrial Paint / Primer / Powder CoatColor, primer type, and DFT confirmed per project

Custom aesthetic or color-coded safety walkways; processing coordinated upon request.

Tolerances & parametersConfirmed per project

Sheet Sizes & Edge / Cutting Options

Modular sizes and cut-to-drawing coordination; availability confirmed at quotation.

Standard Sheet Formats48" × 96" (4×8 ft), 48" × 120" (4×10 ft), 60" × 144" (5×12 ft)

Standard sheet sizes may be available; availability is confirmed at quotation.

Custom Cut-to-Size PanelsSupplied to project drawings and CAD files

Rectangular shearing, precision plasma / laser cutouts, and corner notches can be coordinated upon request.

Edge Treatment & BandingMill sheared, deburred, formed nosing, or banded flat bar

Edge profiles and stair tread safety nosing formed to customer specifications.

Tolerances & parametersConfirmed per project
Reference Standards Only

Applicable reference standards

The technical standards below define geometry, tolerances, and mechanical criteria for hot-rolled steel and aluminum floor plates. They are listed for engineering reference only, not as certificates held by MutualMetal. Inspection documentation and material test reports are confirmed per project and producing factory.

GBGB/T 33974
Hot-rolled checkered steel plate and strip

Chinese National Standard covering rolled checkered plates, pattern dimensions, and base tolerances.

ASTMASTM A786/A786M
Standard Specification for Rolled Steel Floor Plates

ASTM specification covering rolled steel floor plates for non-slip flooring applications.

ASTMASTM B632/B632M
Standard Specification for Aluminum-Alloy Rolled Tread Plate

ASTM specification for rolled aluminum-alloy tread plates with raised lugs.

ENDIN 59220
Steel floor plates, rolled — dimensions and tolerances

European DIN standard defining dimensional requirements and permissible variations for rolled steel floor plates.

Punched plates (fish-eye, crocodile-mouth) are fabricated to drawings and do not cite the product standards above.MTR: on request, depends on producing factory
Checkered Plate Sourcing & Supply

Request checkered plate specifications & quote

Submit your pattern requirements, gauge specifications, material grades, or custom cut-to-size drawings to our team. Quotes, lead times, and documentation are confirmed per project.

(86) 180-3366-6533sales@mutualmetal.com800m east of Nanhoutuan Village, Anping, Hebei