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Help CenterASTM A36 SS400 Q235B Carbon Steel Coil 2.5mm-12mm Thickness 1000mm-2000mm Width HR Hot Rolled
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As a dedicated steel supplier, Hemaokang Steel (Shandong) Co., Ltd. brings you a dependable range of hot rolled carbon steel coils in ASTM A36, SS400 and Q235B grades. These coils are engineered for structural and industrial applications where consistent strength, formability and weldability are essential. With thickness from 2.5mm to 12mm and width from 1000mm to 2000mm, our coils provide the exact dimensions for efficient fabrication of beams, columns, machine parts and more. We understand that every project has unique requirements, which is why our production and inspection processes are designed to ensure dimensional accuracy and stable mechanical properties.
Hot rolled carbon steel coil is produced by heating semi-finished steel billets to temperatures above recrystallization and then rolling them into thin, long strips. This process creates a scale surface that later can be removed by pickling if required, but it also yields a cost-effective product with excellent ductility. The material grades we supply are widely recognized in global construction markets: ASTM A36 is a standard American structural steel, SS400 is a Japanese grade commonly used in structural applications, and Q235B is a Chinese carbon structural steel grade. All three grades deliver moderate strength and good toughness at a reasonable cost, making them suitable for civil engineering, plant construction and metal fabrication.
Key Features
- Wide Size Range: Thicknesses of 2.5-12mm and widths of 1000-2000mm cover common structural needs; additional sizes are available upon request.
- Reliable Material Grades: ASTM A36, SS400 and Q235B provide predictable mechanical behavior and easy welding for safe structural design.
- Hot Rolled Efficiency: The hot rolling process offers lower production costs and better ductility than cold rolled equivalents for many applications.
- Uniform Surface and Tolerance: Real-time gaging systems help maintain thickness uniformity, and surface is suitable for normal fabrication without extra descaling.
- Customizable Processing: Slitting, cutting to length, or edge trimming can be arranged as value-added services to meet your specific production needs.
- Seaworthy Packaging: Coils are protected with anti-corrosion wrapping, steel strapping and edge protection for safe ocean transport.
Technical Specifications
| Parameter | Value |
|---|---|
| Material Grade | ASTM A36 / SS400 / Q235B |
| Thickness | 2.5mm - 12mm |
| Width | 1000mm - 2000mm |
| Production Process | Hot Rolling |
| Surface Finish | Mill Finish / Hot Rolled |
| Edge Condition | Mill Edge / Trimmed Edge (optional) |
| Quality System | ISO9001 Management System |
Applications
Our hot rolled carbon steel coils are suitable for a wide range of end uses, including:
- Structural steel members for buildings, bridges and industrial plants.
- Chassis, frames and components in machinery and heavy equipment.
- Pipes, tubes and closed-section profiles formed by cold bending.
- General fabrication such as panels, supports, brackets and enclosures.
- Automotive and transportation parts where mild steel is acceptable.
- Storage racks, guardrails and other infrastructure products.
Quality Assurance, Packaging and Logistics
Quality is systematically managed through our ISO9001-certified quality management system. During production, samples are taken for chemical analysis and mechanical testing, while dimensions are constantly checked. After rolling, coils are inspected for surface defects and then wound with proper tension. For export shipping, each coil is secured with anti-corrosion paper, plastic film, and steel strapping. Edge-protective rings are used to prevent damage during handling. We primarily ship from Qingdao port, ensuring efficient connection to global shipping routes. Customized packaging methods such as wooden pallets or crates are also available to match your receiving equipment and storage conditions.
Customization Services
We understand that standard sizes may not always fit perfectly. Our company provides flexible customization options, including width slitting, coil cutting to exact length, and different inner diameters. If you require a specific chemical composition range or mechanical property test, we can coordinate with third-party inspection agencies. All customization work can be discussed after receiving your detailed drawings or specifications. Our engineers are ready to recommend the most suitable grade and processing route for your application.
Hemaokang Steel (Shandong) Co., Ltd. has established a strong record as a steel exporter. With annual export value between US$50 million and US$100 million, and a professional team of 51-100 employees, we have the capability to handle orders of varying scales. Our location in Liaocheng, Shandong, gives us access to abundant steel resources and an efficient production network. The combination of strict quality management, flexible service and convenient shipping from Qingdao makes us a trustworthy partner. Contact us today to request a quote, arrange a sample, or discuss your long-term procurement plan. We look forward to supporting your business with dependable hot rolled carbon steel coils.
Frequently Asked Questions
- Q: What thickness and width options are available? A: The standard range is 2.5mm to 12mm in thickness and 1000mm to 2000mm in width. Please tell us the exact sizes you need; we can supply slit or cut-to-length products based on your project requirements.
- Q: What is the difference between ASTM A36, SS400 and Q235B? A: These are similar low-carbon structural steel grades according to American, Japanese and Chinese standards. In practical use, they offer comparable mechanical properties and are often used interchangeably for structural fabrication. We also provide test certificates for traceability.
- Q: Can I order a trial quantity? A: Yes, trial orders are welcome. The MOQ can be flexible for first-time cooperation. Once the quality is approved, we can support regular bulk shipments according to the market schedule.
- Q: Do you provide cutting, splitting or other processing services? A: Yes, we offer value-added processing such as length cutting, slitting and edge trimming. These services are performed in finishing lines to meet your downstream fabrication needs. Please check availability for specific sizes.
- Q: How do you ensure the quality of the steel coils? A: We operate under an ISO9001 quality system and conduct in-process inspections, including thickness gauge, surface check and dimension verification. Mill test certificates are available upon request, and third-party inspection is allowed.
- Q: What is the delivery port and typical shipping conditions? A: Most of our exports are shipped from Qingdao port. Coils are packed to withstand ocean freight, and we can arrange container or bulk vessel loading depending on the order volume and destination.
- Q: How can I get a quotation? A: Please provide the required grade, thickness, width, coil weight or total quantity and destination port. We will respond with a competitive price and estimated delivery time quickly. Email or online chat are both convenient.
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