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Help CenterSteel Rebar & Reinforcing Steel Bar，HRB335、HRB400、HRB400E、HRB500、ASTM A615、BS4449、JIS G3112、ISO 6935
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Product Name
Hot Rolled Deformed Steel Bar
Product Introduction
Deformed steel bar is an indispensable structural steel material in modern reinforced concrete construction. With its unique ribbed surface design, it greatly enhances the bonding strength and grip force between steel and concrete. It is widely used to bear tension, compression and shear forces in various buildings, infrastructure, bridges and water conservancy projects. Our rebar is made of high-quality continuous casting billets and processed through modern hot rolling production lines. It features precise dimensions, stable performance and compliance with major domestic and international standards, meeting the high-strength and high-durability requirements of various engineering projects.
Executive Standards
Chinese National Standard GB1499.2-2018
We can also manufacture products according to international standards including ASTM A615, BS4449, JIS G3112, ISO 6935 as per customer requirements.
Material Grades
HRB335, HRB400, HRB400E, HRB500, HRB500E
Grades marked with “E” are seismic reinforcement bars with superior ductility, toughness and seismic performance, specially designed for high-rise buildings and projects in earthquake-prone areas.
Product Specifications
Nominal Diameter: 6mm, 8mm, 10mm, 12mm, 14mm, 16mm, 18mm, 20mm, 22mm, 25mm, 28mm, 32mm, 36mm, 40mm, 50mm
Length: Regular lengths 6m, 9m, 12m. Custom lengths and multiple lengths are available upon request.
Section: Round shape with longitudinal ribs and evenly distributed transverse ribs for excellent concrete bonding.
Production Process
Made from high-quality continuous casting billets, heated in walking-beam furnaces, descaled with high-pressure water, then rolled in finishing mills at high temperature. Controlled rolling and cooling technology ensures uniform internal microstructure and stable mechanical properties. Finished products go through straightening, cutting, bundling and inspection to guarantee straight shape, accurate size and smooth surface.
Mechanical Properties
Our rebar features stable yield strength, tensile strength and favorable elongation. It has excellent weldability and cold bending performance without easy brittle fracture. Seismic rebar greatly improves plasticity and toughness while maintaining high strength, effectively absorbing energy under sudden loads or earthquakes, reducing collapse risks and improving overall structural safety.
Features & Advantages
Clear and regular ribs ensure tight combination with concrete and stronger structural integrity.
Stable chemical composition with low impurity content, excellent performance in welding, bending and connecting.
High dimensional accuracy, uniform performance along the whole bar, free of cracks, folds, scars, bending or twisting defects.
Seismic series offers high toughness and ductility with large safety margin for high-standard projects.
Various standards and specifications available to meet demands of domestic and overseas customers.
Strict quality inspections including tensile test, bending test, dimension inspection and surface check before delivery.
Applications
Widely used in residential buildings, high-rise apartments, commercial complexes, industrial workshops, bridges, tunnels, highways, railways, subways, airports, ports, docks, dams, water conservancy, hydropower, municipal pipelines, underground pipe galleries and other large reinforced concrete infrastructure projects as main reinforcement, stirrups and structural bars.
Packing & Transportation
Bundled tightly with special steel strips, each bundle clearly tagged with specification, grade, heat number, length and weight. Secure packing is suitable for long-distance sea, land and railway transportation as well as container shipping, convenient for loading and unloading without scattering, protecting products well during delivery.
Delivery Time
Adequate stock for regular sizes, shipment arranged within 5–7 working days after order confirmation.
Customized sizes and special standard products produced on schedule with on-time delivery guaranteed.
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