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Help CenterS275JR S355JR Carbon Steel Plate Custom Size Hot Rolled for Welding Construction
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Hemaokang Steel (Shandong) Co., Ltd. is proud to offer high-quality S275JR and S355JR carbon steel plates in custom sizes, produced through an advanced hot rolling process specifically designed for welding construction applications. With an annual export value ranging from US$50 million to US$100 million and a dedicated team of 51–100 employees, we ensure every plate meets rigorous industry standards. Our ISO9001-certified facility in Liaocheng, Shandong, China, allows us to deliver consistent quality and reliable supply to markets worldwide, including North America, South America, Europe, Southeast Asia, Africa, the Middle East, and Oceania.
These carbon steel plates are engineered to provide excellent weldability, structural strength, and versatility for demanding construction projects. Whether you need standard dimensions or fully customized sizes, our hot-rolled plates offer superior mechanical properties and dimensional accuracy, making them ideal for beams, columns, bridges, pressure vessels, and heavy machinery components.
Key Features & Technical Specifications
- Material Grades: S275JR and S355JR per EN 10025-2 – offering yield strengths of 275 MPa and 355 MPa respectively, ensuring robust performance under load.
- Hot Rolled Process: Plates are formed at high temperatures, resulting in uniform grain structure, excellent formability, and reduced residual stresses – perfect for welding and fabrication.
- Custom Sizes: Thickness from 2mm up to 200mm, width from 1000mm to 4000mm, and length from 2000mm to 12000mm – all customizable according to your project drawings.
- Surface Options: Standard black surface (as-rolled), pickled & oiled for corrosion protection, or hot-dip galvanized upon request.
- Weldability: Low carbon equivalent (CEV) composition ensures excellent weldability without preheating for most sections.
- Certifications: Mill test certificates (MTC) compliant with EN 10204 Type 3.1/3.2 available. Our ISO9001 quality management system guarantees traceability and consistency.
| Property | S275JR | S355JR |
|---|---|---|
| Yield Strength (min) | 275 MPa | 355 MPa |
| Tensile Strength | 410–560 MPa | 470–630 MPa |
| Elongation (min) | 23% | 22% |
| Impact Energy (0°C, J) | 27 (longitudinal) | 27 (longitudinal) |
| Typical Application | General structural, light frames | Heavy-duty bridges, offshore, machinery |
Benefits for Your Construction Projects
- Cost Efficiency: Custom sizing reduces material waste and secondary processing costs.
- Easy Fabrication: Excellent machinability, bending, and punching characteristics.
- Reliable Supply: With our large inventory and flexible production, we can handle urgent orders and long-term contracts alike.
- Global Logistics: Shipment from Qingdao Port with fast and secure freight options to all major ports worldwide.
Frequently Asked Questions (FAQ)
-
Q: What are the standard sizes available for S275JR and S355JR plates?
A: While we offer a wide range of standard dimensions, we strongly recommend contacting us with your specific requirements. Our custom cutting service can provide any size within our production capability – thickness 2–200mm, width up to 4000mm, length up to 12000mm. -
Q: Can you supply plates with a higher impact resistance (e.g., -20°C or -40°C)?
A: Yes, we can produce plates with normalized rolling or quenching & tempering to meet lower temperature impact requirements. Please specify the required temperature and energy level. -
Q: How long does a typical order take?
A: For standard sizes in stock, delivery is within 7–15 days. For custom sizes or large quantities, typical lead time is 20–30 days after order confirmation. Urgent orders can be expedited upon request. -
Q: What surface treatments do you offer?
A: Standard as-rolled black surface is most common. We also provide pickled & oiled (to remove scale and prevent rust) and hot-dip galvanizing (for corrosion resistance in outdoor applications). -
Q: Do you provide a mill test certificate (MTC)?
A: Absolutely. Each shipment comes with an MTC conforming to EN 10204 Type 3.1, including chemical composition and mechanical properties. Type 3.2 (third-party inspection) is available at extra cost. -
Q: Can you guarantee compliance with international standards like ASTM or JIS?
A: While our plates are manufactured to EN 10025-2, similar grades exist under ASTM A36 (for S275JR) and A572 Gr.50 (for S355JR). We can adjust chemistry to meet equivalent standards – please discuss your needs. -
Q: What packaging do you use for export?
A: Plates are bundled with steel straps, protected with waterproof paper or sea-worthy wooden crates if needed, ensuring safe arrival even in humid conditions.
Trust Hemaokang Steel – Your Reliable Partner for Carbon Steel Plates
Since our establishment in 2025, we have rapidly grown to serve clients across 6 continents, backed by over 50 years of combined industry experience. Our ISO9001 certification, coupled with an annual export value exceeding US$50 million, demonstrates our commitment to quality and reliability. Each plate is carefully inspected before shipment, and our professional sales team provides end-to-end support – from technical consultation to after-sales service. Choose Hemaokang Steel for your next welding construction project and experience superior product quality, precise custom sizing, and competitive pricing. Contact us today for a quote or to discuss your requirements.
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