Description

Checkered steel coil is a hot-rolled or cold-rolled steel sheet/coil with embossed patterns such as diamonds, lentils, and round beans on its surface. Its core applications are anti-slip, wear-resistant, and structurally reinforcing properties, making it widely used in industrial and construction applications.

Our factory can supply stainless steel coils, carbon steel coils, and spring steel coils of various specifications and grades. Please feel free to inquire at any time, and we will provide you with the best price and service.

Characteristics of Checkered Steel Coil:

1. Checkered steel coil has a regular embossed surface: textures such as bean patterns, diamonds, stripes, and round beans provide anti-slip or decorative relief. These are formed through hot rolling or cold rolling and are not naturally formed forging patterns within the material itself.

2. Checkered steel coil is mostly made of plain carbon steel or low-alloy steel, and does not contain high-carbon steel laminates or traditional patterned steel components such as wootz steel; some are made with galvanized or color-coated substrates (such as “patterned galvanized sheet”).

3. Its main uses are structural load-bearing and anti-slip: Checkered steel coil is used for platform treads, stairs, vehicle chassis, packaging boxes, shelves, and other applications requiring anti-slip properties or a certain level of rigidity. It is not used for cutting tools or high-strength, high-toughness components.

4. Checkered steel coil is typically ≥2.5mm thick and ≥600mm wide, supplied in coils (hot-rolled or cold-rolled), and can be slit. It lacks the characteristics of traditional patterned steel such as “refined layers” and “crystallization patterns.”

5. Performance depends on the base material: strength and corrosion resistance are determined by the material and surface treatment (galvanizing, color coating). Embossing itself does not improve mechanical properties, only locally increasing stiffness and friction.

Applications of Checkered Steel Coil:

1. Anti-slip treads and platforms: Checkered steel coil is used in applications such as elevator treads, stair treads, truck bed floors, ship decks, industrial platforms, and gas station ramps. The raised pattern significantly improves the dry/wet friction coefficient (≥0.65/≥0.42), preventing slips.

2. Building and decorative structures: Checkered steel coil is used for anti-slip paving in stair handrails, balcony railings, underground garage ramps, and urban renewal projects, providing both load-bearing and safety functions.

3. Transportation Components: New energy logistics vehicles, engineering vehicles, container flooring, railway maintenance platforms, etc., require lightweight and high wear resistance, often using high-strength base materials such as Q345B.

4. Equipment Manufacturing and Industrial Facilities: Such as track pads for engineering machinery, walkways for mining equipment, and maintenance access roads in chemical plants; some require corrosion resistance (e.g., 304 stainless steel patterned coils) or low-temperature toughness (09MnNiDR).

5. Decorative Structural Components: Some building facades, railings, and billboard base plates utilize their textures for visual decoration (but not their primary function).

Specifications of Checkered Steel Coil:

Basic thickness	Tolerance of Basic thickness	Theoretical weight (kg/m²)
Basic thickness	Tolerance of Basic thickness	Diamond	Lentils form	Round beans form
2.5	±0.3	21.6	21.3	21.1
3	±0.3	25.6	24.4	24.3
3.5	±0.3	29.5	28.4	28.3
4	±0.4	33.4	32.4	32.3
4.5	±0.4	37.3	36.4	36.2
5	+0.4/-0.5	42.3	40.5	40.2
5.5	+0.4/-0.5	46.2	44.3	44.1
6	+0.4/-0.6	50.1	48.4	48.1
7	+0.6/-0.7	59	52.6	52.4
8	+0.6/-0.8	66.8	56.4	56.2

Standards and Classifications

Standard and Steel Grade
Product Name	Chequered Steel Coil / Checker Steel Coils / Checkered Steel Coil
Standard	GB/T709-2006, ASTM A36, JIS G3101, DIN EN 10025, SAE 1045, ASTM A570
Grade	SS400, ASTM A36, A572, ST37, ST52, Q195, Q215, Q235, Q345, S235JR, S355JR, S45C, S50C
Thickness	1.5mm-16mm
Width	600mm-2200mm
Coil Weight	5mt-27mt
Sheet Length	2m-12m
Pattern	Hyacinth Bean, Tear Drop, Diamond, Chrysanthemum..etc.
Surface	Black or galvanized
Application	Automobile, Bridges, Buildings Machinery, Pressure Vessels Industry Shipbuilding, Engineering, Construction