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High Strength Reinforcing Steel Bars - Mill Direct Supplier
China
Supplier's customization ability
- Drawing-based customization
- Sample-based customization
- Full customization
Minimum order quantity: 1 ton
Shipping total: To be negotiated
- Lead time:
- confirmed with the quotation
- Packaging:
- standard export packing
- Samples:
- available on request
Product details
Technical Specifications of High Strength Reinforcing Steel Bars
| Property | Parameter | Description |
|---|---|---|
| Product Name | High Strength Reinforcing Steel Bars | Deformed and plain steel bars used for concrete reinforcement in structural applications |
| Material Grade | Grade 60 / Grade 75 / B500B / HRB400 / HRB500 | International equivalents: ASTM A615 Gr.60, EN 10080 B500B, GB/T 1499.2 HRB400/HRB500 |
| Standard Compliance | ASTM A615 / ASTM A706 / EN 10080 / GB/T 1499.2 / JIS G3112 | Meets major international standards for structural reinforcing steel bars |
| Chemical Composition (C) | ≤ 0.30% | Carbon content controlled to ensure weldability and ductility |
| Chemical Composition (Mn) | 0.60% – 1.60% | Manganese enhances strength and hardenability |
| Chemical Composition (P / S) | P ≤ 0.045% / S ≤ 0.045% | Low phosphorus and sulfur for improved toughness and reduced brittleness |
| Chemical Composition (Si) | 0.10% – 0.80% | Silicon acts as deoxidizer and contributes to strength |
| Tensile Strength | ≥ 600 MPa (Gr.60) / ≥ 630 MPa (HRB500) | Per ASTM A615 Gr.60 and GB/T 1499.2 HRB500; higher grades available up to 800 MPa |
| Yield Strength | ≥ 420 MPa (Gr.60) / ≥ 500 MPa (HRB500) | Minimum yield strength per respective standards; ensures structural load-bearing capacity |
| Elongation | ≥ 9% – 14% | Minimum elongation at fracture; varies by grade and standard (e.g., ≥9% per ASTM A615 Gr.60) |
| Bar Diameter Range | 6 mm – 50 mm | Common sizes: 6, 8, 10, 12, 16, 20, 25, 32, 40, 50 mm; custom sizes available on request |
| Length | 6 m / 9 m / 12 m or custom | Standard mill lengths; cut-to-length service available per project requirements |
| Surface Finish | Deformed (ribbed) / Plain round | Deformed bars feature transverse ribs and longitudinal ribs for superior concrete bond strength |
| Application | Buildings, bridges, tunnels, dams, highways, foundations | Widely used in reinforced concrete and prestressed concrete structures in civil engineering |
| Certification | ISO 9001 / CE Marking / Mill Test Certificate (MTC) | Third-party inspection available; certificates per EN 10204 3.1 or 3.2 upon request |
| Packaging | Bundled in 2–5 MT per bundle, steel-strapped | Bundles secured with steel wire or strapping; seaworthy packing available for export |
| MOQ | 25 MT per size/grade | Mixed container orders accepted; bulk orders welcome with competitive mill-direct pricing |
High Strength Reinforcing Steel Bars - Mill Direct Supplier
High strength reinforcing steel bars serve as the structural backbone of modern construction, delivering the tensile capacity that concrete alone cannot provide. Sourced directly from our integrated rolling mills, our rebar portfolio covers Grade 60 through Grade 80 classifications, achieving minimum yield strengths of 420 MPa to 550 MPa and minimum tensile strengths of 620 MPa to 690 MPa in full conformance with ASTM A615, ASTM A706, and BS 4449:2005 standards. Whether your project demands seismic-grade weldable bars for earthquake-resistant frames or high-rib deformed bars for post-tensioned slabs, our production lines supply consistent mechanical properties across every heat. With mill test reports, third-party inspection certificates, and traceability documentation included as standard, specifying engineers and procurement teams can verify compliance before a single bar reaches the job site. Our global logistics network ensures on-time delivery to ports across North America, Southeast Asia, the Middle East, and Africa, with lead times as short as 15 days for stocked sizes.
What Are High Strength Reinforcing Steel Bars?
High strength reinforcing steel bars—commonly called high-strength rebar—are hot-rolled deformed steel sections embedded in concrete to resist tensile, shear, and bending forces. Produced from low-alloy or micro-alloyed billets, they feature transverse ribs that enhance mechanical bond with surrounding concrete. Grades such as ASTM A615 Grade 75 (yield ≥ 517 MPa) and HRB500 (yield ≥ 500 MPa per GB/T 1499.2) are widely specified for high-rise buildings, long-span bridges, tunnels, and heavy industrial foundations where reduced bar diameter and lighter steel tonnage translate directly into project cost savings.
High Strength Reinforcing Steel Bars Technical Specifications
Our high strength reinforcing steel bars are manufactured to precise dimensional and mechanical tolerances. The table below summarizes key parameters across our standard product range:
| Parameter | Grade 60 / HRB400 | Grade 75 / HRB500 | Grade 80 / HRB600 |
|---|---|---|---|
| Applicable Standard | ASTM A615 / GB/T 1499.2 | ASTM A615 / GB/T 1499.2 | ASTM A615 / GB/T 1499.2 |
| Min. Yield Strength | 420 MPa (60 ksi) | 517 MPa (75 ksi) | 550 MPa (80 ksi) |
| Min. Tensile Strength | 620 MPa (90 ksi) | 690 MPa (100 ksi) | 730 MPa (106 ksi) |
| Min. Elongation (8-in gauge) | 9 % | 7 % | 6 % |
| Nominal Diameter Range | #3 – #11 (10–36 mm) | #4 – #18 (13–57 mm) | #5 – #18 (16–57 mm) |
| Carbon Equivalent (max.) | 0.52 % | 0.55 % | 0.58 % |
| Density | 7.85 g/cm³ at 20 °C | ||
| Length Options | 6 m, 9 m, 12 m, or custom cut-to-length | ||
| Surface Condition | Hot-rolled deformed (transverse + longitudinal ribs) | ||
| Available Finishes | Black, epoxy-coated (ASTM A775), galvanized (ASTM A767) | ||
All heats undergo ladle chemistry analysis and finished-bar mechanical testing. Ultrasonic inspection is available on request for critical structural applications. Our quality management system is certified to ISO 9001:2015, and each shipment is accompanied by a full mill test certificate traceable to the originating heat number.
Get a Competitive Quote for High Strength Reinforcing Steel Bars
Procuring high strength reinforcing steel bars directly from our mill eliminates intermediary markups, giving your project access to mill-direct rates with no compromise on certified quality. Share your project specifications—grade, diameter, quantity, and delivery port—and our technical sales team will respond with a detailed, itemized quotation within 24 hours. We support spot orders, long-term supply contracts, and project-specific fabrication packages.
- 24/7 customer support available
- Free samples for quality evaluation
- Competitive pricing for bulk orders
- Professional technical consultation
Contact us today to get your free quote within 24 hours!
