Engineered Traction SurfacesASTM A786 / EN 10025

Two-bar raised pattern plate for heavy-duty safety

Two parallel raised ribs per repeat cycle rolled into carbon steel, 304/316 stainless steel, or aluminum plate for multi-directional grip.

Available base alloys

Carbon steel, 304 & 316 stainless, 5052-H32 / 6061-T6 aluminum

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Two-bar raised pattern steel floor plate detail showing parallel traction ribs
2-Bar Repeat
Cross-rib angle: 90 degPitch: 25.4 mm

Manufactured strictly to ASTM A786, ASTM B632, and EN 10025 structural standards.

Engineering specifications

ASTM tolerances
Pattern height
0.050" – 0.080"

1.25 mm to 2.0 mm raised rib elevation above base surface

Gauge range
3/16" to 1/2"

4.76 mm up to 12.7 mm thick heavy industrial plate stock

Standard dimensions
48" x 96" / 120"

Also available in 60" widths and custom cut-to-length blanks

Raised contact area
28% to 35%

Engineered high-friction profile preserving self-drainage

Common structural applications

Stair tread nosing

Slip prevention at critical impact edges on indoor and outdoor metal stairs.

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Walkway flooring

Drainage-ready elevated catwalks, mezzanines, and industrial platforms.

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Truck bed liners

Impact resistance and cargo traction for commercial utility vehicles.

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Loading ramps

High axle-load capacity for pallet jacks and heavy forklift transit.

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Technical DataASTM / EN / ISO Standards

Two-bar checkered plate specifications

Dimensional parameters, gauge selections, certified alloys, and surface treatments for heavy industrial flooring and access ways.

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Metric & Imperial
Thickness & Gauge Range
Base plate thickness measured before pattern embossing, complying with standard cold and hot rolling tolerances.
Light Duty
14 Ga to 12 Ga (1.98 mm – 2.78 mm)
Standard Duty
1/8 in to 1/4 in (3.18 mm – 6.35 mm)
Heavy Structural
5/16 in to 1/2 in (7.94 mm – 12.7 mm)
Certified Alloys
Available Materials
Mill-tested structural metals engineered for slip-resistant decking, steps, and machinery flooring.
Carbon Steel
ASTM A36 / Q235B (Weldable Commercial)
Stainless Steel
AISI 304 / 304L & 316 / 316L (Marine Grade)
Aluminum Alloy
6061-T6 (High Strength) & 3003-H22 (Formable)
Anti-Skid Profile
Two-Bar Pattern Geometry
Paired parallel raised lugs oriented perpendicular to adjacent pairs for omnidirectional slip resistance.
Lug Height
0.8 mm – 1.6 mm above base surface
Lug Pitch
35 mm x 35 mm center-to-center array
Traction Rating
DIN 51130 R11 – R12 slip coefficient
Custom Shearing
Stock Sheet Dimensions
Standard mill sheet sizes ready for processing, plasma cutting, punching, or custom fabrication.
Imperial Stock
48" x 96", 48" x 120", 60" x 120"
Metric Stock
1000 x 2000 mm, 1250 x 2500 mm, 1500 x 3000 mm
Tolerance
Length/Width: ±3 mm; Squareness: 0.5%
Nominal Averages
Weight & Density Index
Total weight accounts for base plate thickness plus the volume of the two-bar raised pattern.
Steel 1/8 in (3.2 mm)
27.5 kg/m² (5.63 lbs/ft²)
Steel 1/4 in (6.3 mm)
52.3 kg/m² (10.71 lbs/ft²)
Aluminum 1/8 in (3.2 mm)
9.8 kg/m² (2.01 lbs/ft²)
Corrosion Defence
Protective Surface Finishes
Surface treatments engineered for chemical washdown, atmospheric exposure, and severe industrial wear.
Hot-Dip Galvanized
ASTM A123 / ISO 1461 (min 85 µm coating)
Mill & Pickled
Mill finish or acid pickled & passivated (SS)
Coatings & Primers
Zinc phosphate shop primer or powder coating

Mutual Metal provides precision shearing, CNC plasma profiling, banding, and pre-punched mounting holes ready for job-site installation.

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Product SpecificationsFive Bar Checkered PlateRequest a Quote