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Help CenterS235JR S275JR S355JR Hot Rolled Carbon Steel Coil 2.0mm-12mm Thickness for Construction
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Welcome to Hemaokang Steel (Shandong) Co., Ltd. — a trusted supplier of high-quality steel products with annual export value exceeding US$50 million. Our S235JR, S275JR, S355JR Hot Rolled Carbon Steel Coils are engineered for demanding construction applications, offering exceptional strength, formability, and consistency. With thicknesses ranging from 2.0mm to 12mm, these coils meet the requirements of diverse structural projects, from building frames to bridges and industrial facilities. Backed by ISO9001 certification and a professional team of 51-100 employees, we ensure every coil delivers reliable performance.
Our hot-rolled carbon steel coils are produced in strict accordance with EN 10025-2 standards, guaranteeing precise chemical composition and mechanical properties. Whether you need S235JR for general structures, S275JR for medium-strength applications, or S355JR for high-load bearing components, we provide consistent quality and customizable dimensions to fit your project needs.
Key Product Features
- Multiple Grades Available: S235JR, S275JR, S355JR — each offering different yield strengths (235, 275, 355 MPa respectively) for flexible design.
- Thickness Range: 2.0mm to 12mm, suitable for light to medium structural components.
- Excellent Weldability: Low carbon content ensures good weldability without preheating for most applications.
- Superior Formability: Hot-rolled process delivers excellent ductility for bending, stamping, and forming operations.
- Consistent Mechanical Properties: Strict quality control ensures uniform tensile strength, yield point, and elongation across coils.
- Customizable Dimensions: Width, coil weight, and surface treatment can be tailored to your specifications.
- Surface Options: Available in black (mill scale), pickled, or oiled finish to prevent rust during transit.
- ISO9001 Certified: Our production and management systems are audited to meet international quality standards.
Technical Specifications
| Parameter | Value / Range |
|---|---|
| Standard | EN 10025-2 |
| Grades | S235JR, S275JR, S355JR |
| Thickness | 2.0 mm – 12 mm |
| Width | 600 mm – 2000 mm (customizable) |
| Coil Weight | 3 – 20 tons (customizable) |
| Surface Treatment | Black, Pickled, Oiled |
| Yield Strength (min) | S235JR: 235 MPa; S275JR: 275 MPa; S355JR: 355 MPa |
| Tensile Strength | 360 – 510 MPa (depending on grade) |
| Elongation | ≥ 22% (for S355JR) |
Advantages for Your Construction Projects
- Cost-Effective: Hot-rolled coils offer a lower cost per ton compared to cold-rolled alternatives, while meeting structural requirements.
- Versatile Applications: Suitable for beams, columns, roof panels, wall cladding, prefabricated houses, and temporary structures.
- Reduced Waste: Coil form allows continuous processing and cutting to exact lengths, minimizing scrap.
- Fast Delivery: Large inventory and efficient logistics from Qingdao port ensure timely shipment to global markets.
- Global Reach: We export to North America, South America, Europe, Southeast Asia, Africa, Oceania, and the Middle East.
Trust & Reliability
Hemaokang Steel (Shandong) Co., Ltd. was established in 2025 and has rapidly grown into a leading exporter with annual export value between US$50 million and US$100 million. Our team of 51-100 skilled professionals is dedicated to quality control and customer service. We are ISO9001 certified, ensuring that every coil is produced under strict quality management. Our products have been supplied to major construction projects across 14+ global markets, including Europe, America, and Asia. When you choose our S235JR/S275JR/S355JR coils, you choose a partner committed to excellence.
We offer flexible payment terms, sample testing, and third-party inspection support. Contact us today to request a quote or discuss your specific requirements. Let us help you build stronger structures with reliable steel coils.
Frequently Asked Questions
Q1: What is the difference between S235JR, S275JR, and S355JR?
A: These grades differ in minimum yield strength: S235JR offers 235 MPa, S275JR offers 275 MPa, and S355JR offers 355 MPa. Higher grade numbers indicate greater strength, suitable for heavier loads. All comply with EN 10025-2.
Q2: Can you customize the coil width and weight?
A: Yes, we can customize width from 600mm to 2000mm and coil weight from 3 to 20 tons based on your production needs. Please contact our sales team with your specific requirements.
Q3: What surface treatments are available?
A: We offer black (with mill scale), pickled (removed scale), and oiled (anti-corrosion) surfaces. Pickled and oiled are recommended for applications requiring welding or painting.
Q4: Are these coils suitable for outdoor construction?
A: Yes, but they are not inherently corrosion-resistant. For outdoor use, we recommend applying a protective coating or using galvanized versions. Our coils can be supplied with additional surface protection upon request.
Q5: Do you provide mill test certificates?
A: Absolutely. Each shipment comes with a mill test certificate (MTC) showing chemical composition, mechanical properties, and compliance with EN 10025-2. Third-party inspection can also be arranged.
Q6: What is the minimum order quantity (MOQ)?
A: Typically, MOQ is 25 tons per grade and size. For trial orders or smaller quantities, please discuss with our sales team.
Q7: How long does delivery take?
A: For standard sizes, delivery is 15-20 days after order confirmation. Custom orders may take 25-30 days. We ship from Qingdao port, and transit time depends on destination.
Q8: What payment terms do you accept?
A: We accept T/T (30% deposit, 70% against copy of B/L), L/C at sight, and other terms negotiable. We also support payment via trade assurance for some markets.
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