Specializing in the production of various stainless steel pipes, plates, coils, rods, pipe fittings, high nickel alloy steel products, high temperature resistant products
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Rebar
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Rebar
keywords :
Rebar
Product Description
Produced by hot rolling of carbon steel billet with specially designed ribs (transverse and longitudinal) on the surface to enhance bond with concrete. Features high yield strength, good ductility, excellent weldability, and improved concrete anchorage. Available grades: HRB400, HRB400E, HRB500, HRB500E, SD390, SD490, GR40, GR60, B400B, B500B, ASTM A615 Grade 40/60. Diameter range: 6mm – 50mm( 8, 10, 12, 14, 16, 18, 20, 22, 25, 28, 32, 36, 40, 50mm). Standard length: 9m or 12m (custom lengths available). Surface finish: black (as-rolled) or epoxy-coated (anti-corrosion). Rib pattern: standard crescent or herringbone. Mechanical properties (HRB400E): yield strength ≥400MPa, tensile strength ≥540MPa, elongation ≥16%. Manufacturing: hot rolling with controlled cooling to achieve fine grain structure. Cold bending and re-bend testing performed. Meets ASTM A615, BS 4449, GB/T 1499.2, JIS G3112, or DIN 488 standards. Custom diameters, lengths, and coatings available.
Parameter
| Product name | Deformed steel bar / Rebar |
| Standard | ASTM AISI SUS JIS EN DIN BS GB etc |
| Grade | HPB235 HPB350 HRB335 HRB400 HRB500 HRB400E HRB500E ASTM A615 Gr40 Gr60 Gr75 ASTM A53 STKM11 ST37 ST52 16Mn GrA GrB etc. |
| Diameter | 6mm,8mm,10mm, 12mm, 13mm, 14mm, 16mm, 18mm,20mm, 22mm, 25mm, 30mm, 32mm, 40mm, 45mm, 50mm |
| Length | 5.8m,6m,10m-12m,12m or as customer's actual request |
| Section Shape | Spiral Shap, Herringbone Shap, Crescent Shap |
| Application | Housing construction, bridge engineering, tunnel engineering, railway construction, highway construction and water conservancy engineering, etc. |
Application description
Widely used in reinforced concrete structures such as buildings, bridges, highways, tunnels, dams, foundations, precast concrete products, and industrial floors. The ribs provide superior bonding with concrete, ensuring structural integrity under tension, compression, and seismic loads. Essential for infrastructure and construction projects.
Production description
Carbon steel billet is heated to 1100–1200°C, then passed through a roughing and finishing rolling mill with specially designed rolls to form ribs (transverse and longitudinal) on the surface. The bar is then cooled on a runout table using controlled cooling (thermex or tempcore process) to achieve a tempered martensite rim and fine-grain core, enhancing strength and ductility. The bar is cut to length, bundled, and inspected for rib geometry, yield strength, and bendability.
Shipping Packaging
For export, rebar bundles are secured with multiple steel straps, fitted with edge protectors, and packed on ISPM-15 certified wooden pallets or directly loaded in containers with blocking and bracing. Labels include grade, diameter, length, quantity, and heat number for safe sea freight. Rust preventive oil applied as needed.
Why Choose Us?
1.Factory Strength:Direct manufacturer with continuous hot rolling mills and controlled cooling lines (thermex/tempcore), ensuring consistent rib geometry, uniform mechanical properties, and high production capacity for diameters 6–50mm.
2.Quality Assurance:Strict control of chemical composition, yield/tensile strength (e.g., HRB400E: ≥400MPa/≥540MPa), elongation (≥16%), and bendability; 100% dimensional inspection of rib pattern; compliant with ASTM A615, BS 4449, GB/T 1499.2, JIS G3112.
3.Certifications & Reports:Mill test certificates (MTC) with each shipment; third-party inspections (SGS, BV) and mechanical test reports (tensile, bend, re-bend) available upon request.
4.Customization & Service:Wide grade range (HRB400–HRB500E, GR40–GR60, B400B–B500B), diameters 6–50mm, standard lengths 9m/12m or custom, epoxy anti-corrosion coating available, and fast lead times for large infrastructure projects.
5.Export Packaging:Bundles secured with steel straps + edge protectors + ISPM-15 pallets + container blocking/bracing + optional rust preventive oil for safe sea freight and damage-free delivery.
FAQ
1. What is the difference between HRB400 and HRB400E rebar?
HRB400E has enhanced seismic performance with stricter requirements on yield ratio (≤1.25), total elongation under maximum load (Agt ≥ 9%), and better bendability, making it suitable for earthquake-resistant structures. HRB400 is for general concrete reinforcement.
2. Can rebar be welded on site?
Yes, but use low-hydrogen welding electrodes and proper procedures. For high-strength grades (HRB500E), preheating and post-weld heat treatment may be required to avoid cracking. Welding tests are recommended for critical structures.
3. How to prevent rebar from rusting during storage?
Store on dry, elevated wooden sleepers, cover with waterproof tarpaulins, and keep bundles well-ventilated. For long-term storage, apply cement slurry or anti-rust oil. Surface rust that does not reduce cross-section is generally acceptable for concrete reinforcement.
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HONORS AND QUALIFICATIONS
The company has sufficient inventory and complete varieties and specifications. Special materials and specifications are produced according to customer requirements and exported to Asia, the Middle East, Europe and other countries and regions. We have our own quality management systems: ISO9001, ISO14000, OHSAS18001 standards.
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We understand that our customers value quality and after-sales service most. We consistently adhere to high standards and strict requirements, striving to become your preferred partner.
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