High strength hot rolled steel coil in Q355B, Q345B, and S355JR grades. Sourced through tier-1 mill partnerships, offering elevated yield stress, superior low-temperature impact toughness, and weight-reducing structural capability for heavy engineering.
Authentic Steel supplies high strength hot rolled steel coils designed for modern structural engineering projects where weight reduction, superior fatigue resistance, and increased load-bearing capability are crucial. Through deep strategic cooperation with premier state-owned steel mills—including Baosteel, HBIS, Yanshan Steel, and Rizhao Steel—we provide international contractors and steel fabricators with certified HSLA (High Strength Low Alloy) coils.
Material Superiority & Structural Advantage:
Our high strength hot rolled coils, available in popular standards such as Q355B, Q345B, S355JR, and S355J2, feature optimized micro-alloying chemistry (utilizing Vanadium, Niobium, or Titanium). This provides significantly higher yield strength compared to standard structural mild steels, allowing design engineers to utilize thinner gauges without compromising overall structural integrity. This result directly reduces total frame weight, lowers transit freight costs, and improves payload capacity for transportation equipment.
| Parameter | Technical Details |
| Product Name | High Strength Hot Rolled Steel Coil |
| Grade | Q345B / Q355B / S355JR / S355J2 / SS540 |
| Thickness | 2.0mm - 19.0mm |
| Width | 1000mm - 2000mm |
| Mill Partners | Baosteel, HBIS, Yanshan, Rizhao Steel |
| Packaging | Heavy Strapped Export Seaworthy Packing |
Key Industry Applications:
1. Heavy Crane & Mining Machinery: Boom arms, excavator frames, chassis, and heavy conveyor systems.
2. Bridge & Wind Power Infrastructure: Wind turbine tower segments, steel bridge girders, and transmission towers.
3. Structural Building Frames: High-rise building columns, stadium roof trusses, and pre-engineered steel buildings (PEB).
Quality Testing & Trade Guarantee:
Every batch of high strength hot rolled coil is backed by comprehensive material test reports (MTC) detailing yield strength, tensile stress, elongation percentage, and Charpy V-notch low-temperature impact values. Although these high-grade hot-rolled items are sourced from our close steel mill partners, Authentic Steel strictly monitors the entire loading and shipping sequence to guarantee flawless delivery.
Commercial Support & Shipping:
We offer multi-currency payment solutions including T/T and L/C at sight. Located in Tianjin, China, Authentic Steel provides fast logistics handling to reach global ports smoothly.
Contact Us Today:
Send us your specifications to receive prompt quotation details for high strength hot rolled coils.
Company: Authentic Steel (Export Dept. of Winroad Group)
Email: bella@authsteel.com / bella@wanlusteel.com
Mobile / WhatsApp / WeChat: +86 189 2041 0870
