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Help CenterCarbon Steel Plate S235JR S275JR S355JR 3mm 4mm 5mm 6mm 8mm 10mm 1500x3000mm Length
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Hemaokang Steel (Shandong) Co., Ltd. is a trusted supplier of high-quality carbon steel plates, offering S235JR, S275JR, and S355JR grades in thicknesses from 3mm to 10mm and standard sizes of 1500x3000mm. Our plates are manufactured to meet rigorous international standards, ensuring excellent weldability, formability, and structural strength. With an annual export value of US$50-100 million and ISO9001 certification, we deliver reliable solutions for global construction and engineering projects.
Our carbon steel plates are hot-rolled and surface-finished, ready for immediate use in structural applications such as building frames, bridges, steel platforms, and heavy machinery. The combination of precise dimensional tolerances and consistent mechanical properties makes them ideal for both large-scale industrial projects and custom fabrication work.
Key Features & Benefits
- Multiple Grades Available: S235JR (low carbon, general purpose), S275JR (medium strength), S355JR (high strength) – choose the right grade for your load requirements.
- Wide Thickness Range: 3mm, 4mm, 5mm, 6mm, 8mm, and 10mm – suitable for light to heavy structural applications.
- Standard Size 1500x3000mm: Optimized for efficient cutting and reduced waste; custom sizes also available upon request.
- Excellent Weldability: Low carbon content ensures good weldability without preheating for most common welding processes.
- ISO9001 Certified Quality: Strict quality control from raw material to finished product, ensuring consistent chemical composition and mechanical properties.
- Cost-Effective: Competitive pricing with high volume production capacity, supporting large-scale procurement.
Technical Specifications
| Parameter | Value |
| Grade | S235JR / S275JR / S355JR |
| Thickness | 3mm, 4mm, 5mm, 6mm, 8mm, 10mm |
| Width | 1500mm |
| Length | 3000mm |
| Standard | EN 10025-2 |
| Surface | Mill finish, black |
| Tensile Strength (S355JR) | 470-630 MPa |
| Yield Strength (S355JR) | Min 355 MPa |
All plates are supplied with mill test certificates, ensuring traceability and compliance with project specifications. The plates can be easily cut, drilled, and welded to meet your exact fabrication requirements.
Why Choose Hemaokang Steel?
Established in 2025, Hemaokang Steel (Shandong) Co., Ltd. has quickly grown into a leading exporter of steel products with an annual export value exceeding US$50 million. Our team of 51-100 experienced professionals ensures smooth production and logistics. We serve markets across North America, South America, Eastern Europe, Southeast Asia, Africa, Oceania, the Middle East, and beyond. With ISO9001 certification, we commit to delivering consistent quality and on-time delivery. Our location in Liaocheng, Shandong – a major steel production hub in China – gives us access to premium raw materials and efficient supply chains.
We understand that every project has unique requirements. That's why we offer flexible customization options, including custom cutting, drilling, and edge preparation – all available upon request. Our dedicated sales team provides prompt technical support and competitive quotations. Whether you need a small trial order or bulk container shipment, we are ready to serve.
Frequently Asked Questions (FAQ)
Q1: What is the difference between S235JR, S275JR, and S355JR?
A: These grades indicate increasing yield strength. S235JR is suitable for general structural use, S275JR for medium-strength requirements, and S355JR for high-strength applications. Choose based on load-bearing needs.
Q2: Can you supply plates with non-standard dimensions?
A: Yes, we offer custom sizes upon request. Please contact us with your specific width, length, and thickness requirements.
Q3: Do you provide mill test certificates?
A: Absolutely. Each shipment comes with MTC (Mill Test Certificate) confirming chemical composition and mechanical properties.
Q4: What is the typical surface condition of the plates?
A: Our plates are in mill finish (black) with slight oxidation. Shot blasting, painting, or oiling can be applied as optional services.
Q5: How do you ensure the quality of your products?
A: We have ISO9001 certified quality management system. Every batch undergoes strict inspection including dimensional checks, tensile testing, and chemical analysis.
Q6: What is your minimum order quantity (MOQ)?
A: MOQ depends on thickness and grade. For standard sizes, we typically accept 5 tons per size. Smaller trial orders are negotiable.
Q7: How long does delivery take?
A: For stock items, delivery within 7-15 days after order confirmation. For custom orders, lead time is 15-30 days depending on quantity.
Q8: Do you offer samples?
A: Yes, we can provide small samples (e.g., 200x200mm) for quality evaluation. The sample cost is negotiable, and shipping is at your expense.
Contact us today to discuss your requirements or request a quote. With our extensive inventory and experienced team, Hemaokang Steel is your reliable partner for carbon steel plates worldwide. We look forward to building a long-term cooperation with you!
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