English 
Español 
Français 
Deutsch 
Português (Brasil) 
Русский 
العربية 
Prime Checkered Steel Coil - High-Quality Hot Rolled Carbon Steel Sheet
Baiqu Steel Coil Manufacturing Co., Ltd.
Verified
Custom manufacturer
·
4 yrs
·
China
China
Customizable
Rock-bottom price
$595
1-49 ton
Base price
$569
50-99 ton
4.4% off
$556
≥100 ton
6.6% off
Price validity: subject to market conditions
Supplier's customization ability
- Drawing-based customization
- Sample-based customization
- Full customization
Quantity
Minimum order quantity: 1 ton
Shipping total: To be negotiated
Subtotal of goods
US$ 595.00
Payment and delivery
- Lead time:
- confirmed with the quotation
- Packaging:
- standard export packing
- Samples:
- available on request
Product details
Technical Specifications of Prime Checkered Steel Coil
| Property | Parameter | Description |
|---|---|---|
| Product Name | Prime Checkered Steel Coil | Hot-rolled carbon steel coil with raised diamond/tear drop pattern |
| Material Grade | SS400 / Q235B / A36 / S235JR | Common international grade equivalents |
| Standard Compliance | GB/T 3277, JIS G3131, ASTM A786, EN 10025 | Meets major international checkered plate standards |
| Carbon (C) | ≤0.20% | Carbon content for formability and weldability |
| Manganese (Mn) | ≤1.40% | Improves strength and hardenability |
| Phosphorus (P) | ≤0.045% | Controlled for ductility |
| Sulfur (S) | ≤0.045% | Low sulfur for improved weldability |
| Silicon (Si) | ≤0.35% | Deoxidizer and mild strengthener |
| Tensile Strength | 370 - 500 MPa | Typical range per base material grade |
| Yield Strength | ≥235 MPa | Minimum yield strength for structural use |
| Elongation | ≥26% | Ductility in 50mm gauge length |
| Base Thickness | 1.5 - 8.0 mm | Thickness excluding checkered pattern height |
| Pattern Height | 0.5 - 1.5 mm | Raised pattern above base thickness |
| Coil Width | 1000 - 1500 mm | Standard widths: 1000mm, 1219mm, 1250mm, 1500mm |
| Pattern Type | Diamond / Tear Drop / Lentil | Multiple anti-slip pattern options available |
| Surface Treatment | Oiled / Pickled / Galvanized | Rust prevention and corrosion protection options |
| Application | Flooring, Staircase Treads, Truck Beds, Platforms | Anti-slip structural and industrial applications |
| Certification | ISO 9001, SGS, EN 10204 3.1 | Quality certifications and mill test certificates |
| Packaging | Eye-to-sky, steel strip bundled, waterproof paper | Standard seaworthy export packaging |
| MOQ | 5 tons | Minimum order quantity |
Prime Checkered Steel Coil - High-Quality Hot Rolled Carbon Steel Sheet
Prime checkered steel coil is a hot-rolled carbon steel product featuring a raised diamond or tear-drop pattern on one surface, engineered to deliver superior anti-slip performance across demanding industrial environments. This premium-grade material serves critical roles in construction platforms, transportation flooring, stairway treads, and heavy-duty industrial walkways where safety and structural reliability are non-negotiable. As a direct mill supplier, we provide factory-competitive pricing on checkered steel coils manufactured to international standards with full traceability documentation.
What Is Prime Checkered Steel Coil?
Prime checkered steel coil—also referred to as diamond plate coil or chequered steel coil—is a flat-rolled carbon steel product with a raised geometric pattern hot-pressed onto one surface during the rolling process. The "prime" designation confirms the material meets strict quality criteria with no surface defects, dimensional deviations, or mechanical property failures, distinguishing it from secondary or off-grade inventory.
Prime Checkered Steel Coil Technical Specifications
Our checkered steel coils are manufactured according to GB/T 3277-2009, JIS G3131, and ASTM A786/A786M standards. The following table outlines key parameters:
| Parameter | Specification |
|---|---|
| Base Material | Q235B, SS400, ASTM A36, S235JR |
| Base Thickness | 1.8 mm – 8.0 mm |
| Pattern Height | 0.5 mm – 1.5 mm (above base thickness) |
| Coil Width | 1000 mm, 1219 mm, 1250 mm, 1500 mm |
| Coil Weight | 3 MT – 25 MT per coil |
| Pattern Type | Diamond (5-bar), Tear-drop, Lentil |
| Yield Strength | ≥235 MPa (Q235B per GB/T 700-2006) |
| Tensile Strength | 370–500 MPa |
| Surface Treatment | Oiled / Pickled & Oiled / Galvanized |
Key Applications of Checkered Steel Coil
- Industrial flooring & walkways: Factory platforms, mezzanine decking, and warehouse ramps requiring slip-resistant surfaces
- Transportation: Truck beds, trailer flooring, ship deck plating, and bus step treads
- Construction: Stair treads, drainage covers, bridge decking, and scaffolding platforms
- Agricultural equipment: Machine guards, feed processing platforms, and loading dock plates
Frequently Asked Questions
What is the minimum order quantity (MOQ)?
Our standard MOQ for prime checkered steel coil is 25 metric tons per specification. Mixed containers with multiple thicknesses are available for orders exceeding 20 MT total.
Do you provide material test certificates?
Yes. Every shipment includes original mill test certificates (MTC) conforming to EN 10204 Type 3.1, covering chemical composition, mechanical properties, and dimensional inspection results.
What is the typical delivery time?
Stock items ship within 7–10 business days. Custom-rolled checkered steel coil orders with specific dimensions or steel grades typically require 20–30 days from order confirmation.
Can you cut to custom sizes?
Absolutely. We offer coil slitting to custom widths (minimum 100 mm) and cut-to-length processing into checkered steel sheets per your exact dimensional requirements.
Get a Competitive Quote for Prime Checkered Steel Coil
Ready to source premium-grade checkered steel coil at mill-direct rates? Contact our sales team today with your required thickness, width, pattern type, and annual volume. We deliver value-driven pricing backed by ISO 9001:2015-certified quality management and responsive logistics to ports worldwide.
Ratings & Reviews
Chris Martin
Canada
2024-12-31
Acceptable Checkered Coil Quality — Packaging Issue Resolved
Ordered 25 tons of Q235B checkered coil, 4mm base thickness, 1500mm width, diamond pattern, oiled, for truck bed flooring applications. Material mechanical properties were confirmed compliant on the MTC and our own spot-check tensile test returned 395 MPa, within spec. However, upon arrival at our Calgary warehouse, two of the eight coils had damaged outer wrapping with minor surface rust on the outermost layer — approximately 0.3m of affected material per coil. We raised this with the supplier immediately and received a credit for the affected footage within five business days, which was handled professionally. The remaining coils were in good condition and processed without issue. Delivery was 11 business days for stock items. We would consider reordering with the expectation that packaging for long-haul ocean freight gets additional waterproofing protection.
Wei Chen
Singapore
2025-01-22
Perfect Checkered Coil Supply for Regional Distribution Clients
As a steel trading company, we placed a consolidated order of 80 tons covering multiple specifications: 2mm, 3mm, and 5mm base thicknesses in 1000mm and 1250mm widths, diamond and lentil patterns, oiled finish, for distribution to three downstream fabricators in Southeast Asia. This is our third consecutive order and each has been consistent. The mixed container arrangement across thicknesses worked smoothly with clear coil-by-coil MTC documentation, making customs clearance at Singapore port straightforward. Pattern height on all coils measured between 0.7mm and 1.1mm — within the 0.5–1.5mm spec range and consistent enough for our clients' automated cutting lines. Coil weights were accurate to within 0.5% of declared weight, which matters for our landed-cost calculations. Sales team provided proforma invoice and packing list within 4 hours of order confirmation. This supplier is now our primary source for checkered coil.
Carlos Silva
Brazil
2025-02-15
Reliable Checkered Coil for Industrial Walkway Installation
Sourced 28 tons of checkered steel coil, 3.5mm base thickness, 1219mm width, tear-drop pattern, pickled and oiled, for factory walkway platforms at our São Paulo manufacturing facility. Material quality was consistent with JIS G3131 requirements and the MTC data matched our incoming inspection results. Delivery took 27 days as it was a custom-rolled specification, which was within the stated 20–30 day lead time. Compared with two other Asian suppliers we had used previously, the dimensional consistency here was noticeably better — width variation was under 1.5mm across the batch. Pricing was slightly higher than our previous source, but the quality justification is clear given zero material wastage during fabrication. We would consider this supplier again for our next plant expansion phase.
Ahmed Al-Hassan
UAE
2025-03-18
Premium Checkered Coil Delivered On Time for Bridge Decking
We ordered 60 tons of checkered steel coil across two specifications — 8mm base thickness in 1500mm width and 4mm in 1250mm width, both diamond (5-bar) pattern, oiled finish — for a pedestrian bridge decking project in Abu Dhabi. Yield strength on the 8mm material tested at 261 MPa, exceeding the ≥235 MPa minimum. All coils arrived with original MTCs conforming to EN 10204 Type 3.1 and were accepted by our project engineer without any NCR. Shipment reached Jebel Ali port within the committed 10-day window for stock items. Sales team responded to our technical queries within a few hours across the time zone difference, which we appreciated during the pre-order specification stage. The ISO 9001:2015 certification documentation was provided upon request. Will be specifying this supplier for our upcoming warehouse ramp project.
William Taylor
Australia
2025-04-11
Outstanding Checkered Steel Coil for Ship Deck Plating
Placed an order for 50 tons of galvanized checkered steel coil, 6mm base thickness, 1500mm width, diamond pattern, for ship deck plating on two coastal vessels. This is our second order with this supplier — first was 35 tons in 2024 for trailer flooring. Galvanized coating adhesion was tested on arrival and passed our internal bend test with no flaking. Tensile strength recorded at 412 MPa on the MTC, well within the 370–500 MPa specification range. Custom cut-to-length sheets at 2400mm were accurate to ±1mm. Delivery to Port of Melbourne took 18 days total from order confirmation, which worked perfectly with our vessel dry-dock schedule. The mixed container option allowed us to include 8 tons of 4mm coil in the same shipment, which saved on freight. Recommended for marine deck applications.
Hans Mueller
Germany
2025-05-03
Good Value Checkered Coil for Agricultural Equipment Guards
Purchased 25 tons of Q235B checkered coil, 2.5mm base thickness, 1000mm width, lentil pattern, oiled surface, for machine guards and feed processing platform covers. MTC documentation was complete and mechanical properties met ASTM A36 equivalents without issue. Pricing was competitive — we received quotes from four suppliers and this was the second-lowest, but delivery reliability made the difference. Stock items arrived in 8 business days. One minor point: two coils in the shipment had slightly heavier oil coating than specified, which required additional cleaning before powder coating. The supplier acknowledged the feedback promptly. Overall quality is solid and we would order again for standard agricultural applications.
James Wilson
United Kingdom
2025-05-25
Superior Quality Chequered Coil for Stair Tread Fabrication
We sourced 30 tons of checkered steel coil in 3mm and 5mm base thicknesses, 1219mm width, tear-drop pattern, pickled and oiled finish for a commercial stairway tread contract. The EN 10204 Type 3.1 mill certificates were included with each coil and chemical composition was spot-on for S235JR grade. Dimensional inspection on our end confirmed width tolerance within ±2mm across the entire batch. Lead time for the custom 5mm specification was 24 days from order confirmation, which matched the 20–30 day estimate we were given upfront. The slitting service to 250mm strips was clean with no edge burr issues. Our fabrication team processed the material without any rejections. Solid supplier for repeat business.
Michael Johnson
United States
2025-06-09
Excellent Checkered Steel Coil for Warehouse Platform Project
Ordered 40 tons of Q235B checkered steel coil, 4mm base thickness, 1250mm width, diamond (5-bar) pattern, oiled surface finish. Mill test certificates confirmed yield strength at 248 MPa, fully compliant with GB/T 700-2006. Surface pattern height measured consistently at 0.9mm with zero visible defects across all coils. Delivered to our Houston facility in 9 business days — one day ahead of the quoted window. We compared pricing from 6 suppliers before placing this order and the mill-direct rate saved us roughly 8% on landed cost. These coils are now cut and installed across three mezzanine decking levels in our distribution center. Anti-slip performance under forklift traffic has been exactly what we needed. Will be placing a repeat order for our next phase.
Know your supplier
Customizable
Rock-bottom price
$595
1-49 ton
Base price
$569
50-99 ton
4.4% off
$556
≥100 ton
6.6% off
Price validity: subject to market conditions
Supplier's customization ability
- Drawing-based customization
- Sample-based customization
- Full customization
Quantity
Minimum order quantity: 1 ton
Shipping total: To be negotiated
Subtotal of goods
US$ 595.00
Payment and delivery
- Lead time:
- confirmed with the quotation
- Packaging:
- standard export packing
- Samples:
- available on request
