Checkered Carbon Steel Plate

Checkered carbon steel plate, also called diamond or tread plate, is a hot-rolled carbon steel sheet with raised patterns on one surface for slip resistance . Its key features include excellent anti-slip performance, high strength, good weldability, and easy formability . Common materials include ASTM A36, EN S235JR, and JIS SS400 carbon steel grades . It functions as a safety flooring solution and is widely used for industrial walkways, stair treads, truck beds, and architectural decoration .

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PRODUCT DETAILS

Checkered carbon steel plate, also known as diamond plate or tread plate, features a raised pattern on one surface for superior slip resistance while maintaining the strength and weldability of carbon steel . It is widely used for industrial flooring, stair treads, and vehicle platforms where safety and durability are essential .

Product Parameters

Thickness Range	1.6mm – 25mm (standard), up to 12.7mm for common grades
Width Range	1000mm – 2100mm (custom widths available)
Length Range	2000mm – 12000mm (custom lengths available)
Standard Sizes	1220 × 2440 mm, 1250 × 2500 mm, 1500 × 3000 mm, 1500 × 6000 mm
Pattern Types	Diamond, tear drop, lentil, round bean
Processing Technology	Hot Rolled / Cold Rolled
Execution Standards	ASTM A36 / EN 10025-2 S235JR / JIS G3101 SS400 / GB Q235B
Packaging	Standard seaworthy export packing: steel bundles with straps, waterproof paper wrapping, PE film protection, wooden pallets for small sizes
Surface Treatment	Mill finish, black painted, galvanized, anti-rust oiled, shot blasting, or primed upon request

Chemical Composition (Typical %)

Element	ASTM A36	EN S235JR	JIS SS400
Carbon (C)	0.25 – 0.29	≤ 0.17	–
Silicon (Si)	≤ 0.28	–	–
Manganese (Mn)	≤ 1.03	≤ 1.40	–
Phosphorus (P)	≤ 0.04	≤ 0.035	≤ 0.05
Sulfur (S)	≤ 0.05	≤ 0.035	≤ 0.05
Copper (Cu)	≤ 0.20	≤ 0.55	–

Mechanical Properties

Property	ASTM A36	EN S235JR	JIS SS400
Yield Strength (min)	250 MPa (36 ksi)	235 MPa	245 MPa
Tensile Strength	400 – 550 MPa	360 – 510 MPa	400 – 510 MPa
Elongation (min)	20 – 23%	20 – 26%	17 – 21%
Density	7.85 g/cm³	7.85 g/cm³	7.85 g/cm³

Applications

Industrial Flooring: Factory floors, warehouses, mezzanines, and loading platforms requiring slip resistance and load-bearing capacity
Stair Treads & Walkways: Indoor and outdoor stairs, catwalks, ramps, and maintenance platforms for safe passage in wet or oily conditions
Transportation: Truck beds, trailer flooring, vehicle running boards, and bus steps for cargo stability and anti-slip protection
Construction & Infrastructure: Pedestrian bridges, railway stations, escalator platforms, and building entrances
Architectural & Decorative: Wall cladding, facades, elevator interiors, and design accents combining aesthetics with functionality
Marine & Offshore: Boat decks, ship flooring, dockside walkways, and offshore platform surfaces

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FAQ

1. How to get samples to check the quality? How long can I get the samples?
Answer:After confirming the price, we are happy to provide samples for your evaluation. After confirming the sample details, the samples will be ready for delivery within 3-7 days, and sent to you by courier, and arrive within 3-5 days.
2.Do you provide samples ? is it free or extra ?
Answer:We provide samples free of charge, but the customer is responsible for the courier freight.
3. Do you accept the third party inspection?
Answer: Yes absolutely we accept.
4.Can you accept customization?
Answer:Yes. If you have special requirements on products or packages, we can do customization for you.
5.How do you control the quality?
Answer:We have professional inspectors to analyze chemical composition of raw materials and test the finished products strictly according to standard stipulated in the contract. In this process, Internal and external surfaces, two ends appearance, bending degree, fixed length, outer diameter and wall thickness dimension etc will be checked one by one. You can be assured that all the products you get from us are reliable.