High-Tensile Coiled Rebar for Global Industrial Construction
As a foundational material in modern structural engineering, our Coiled Rebar (also recognized as steel rebar in coil or deformed steel wire rod) provides exceptional reinforcement capabilities for concrete structures. Unlike traditional straight-length rebars, the continuous layout of coiled rebar eliminates frequent material feeding, maximizing productivity in high-speed processing factories. Manufactured via advanced thermo-mechanical treatment (TMT) or cold-rolling lines, our products exhibit uniform chemical composition, excellent geometric precision, and premium bonding strength with concrete surfaces.
Our coiled rebar is highly favored by global distributors, construction contractors, and precast concrete manufacturers due to its outstanding mechanical stability. Whether utilized for highway meshes, building foundations, or complex bridge pillars, it guarantees supreme structural integrity and long-term safety under dynamic load environments.
Key Structural Advantages & Performance Features
Why Choose Our Coiled Rebar for Bulk Sourcing?
Our state-of-the-art hot rolling mills guarantee high fatigue resistance, superb cold-bending properties, and exceptional weldability, making it the perfect raw material for automated stirrup bending and mesh welding machines.
- Reduced Material Waste: The endless coiling format allows contractors to cut exact customized lengths, successfully minimizing scrap rates by up to 8% compared to standard straight bars.
- Enhanced Concrete Adhesion: Superior rib patterns (including crescent and herringbone ribs) ensure a powerful mechanical interlock with concrete, preventing slippage under seismic conditions.
- Premium Grade Selection: Available in versatile grades such as Grade 60, BS4449 Grade 500B, and Chinese HRB400E/HRB500E seismic-resistant steel to meet varying global legal codes.
- Seamless Machine Compatibility: Free from surface scale defects and structural twists, ensuring smooth feeding into Linkwitz, MEP, or other automated reinforcement processing machinery.
Technical Specifications & Size Matrix
| Product Parameters | Available Options & Value Specs | Testing Standards Applicable |
|---|---|---|
| Nominal Diameter | 6mm, 8mm, 10mm, 12mm, 14mm, 16mm | ISO 6935-2 / GB/T 1499.2 |
| Steel Grades | ASTM A615 Gr.40/Gr.60, BS4449 Gr.460B/500B, HRB400/E, HRB500/E | ASTM, British Standard, Chinese GB |
| Yield Strength (Re) | ≥ 400 MPa to ≥ 500 MPa (Depending on grade) | Tensile Testing Machines Certified |
| Tensile Strength (Rm) | ≥ 540 MPa (HRB400) / ≥ 630 MPa (HRB500) | Destructive Laboratory Protocols |
| Total Elongation (Agt) | ≥ 7.5% up to 15% (Seismic-resistant variants available) | Elongation Ratio Verifications |
| Coil Outer / Inner Diameter | OD: ~1250mm | ID: ~850mm (Standardized size) | Dimensional Tolerance Tests Passed |
| Bundle/Coil Weight | 1.5 Metric Tons, 2.0 Metric Tons, 2.5 Tons, 3.0 Tons | Industrial Crane Weight Scale Verified |
| Chemical Element Compo | C: 0.20-0.25%, Mn: 0.60-1.60%, Si: 0.30-0.80%, P/S: <0.045% | Spectrometric Ladle Analysis Reports |
Advanced Manufacturing Process & Rigorous Quality Control
Our coiled rebar production incorporates advanced multi-stage automated milling lines. Raw iron ore undergoes strict desulfurization and carbon adjustment in basic oxygen furnaces to secure optimal purity. During the rolling stage, computing systems accurately monitor thermal reductions to achieve a homogenized microstructure, ensuring the resulting rebar coils are highly ductile and free of interior micro-cracks.
Furthermore, to satisfy the critical anti-seismic standards demanded across regions like Southeast Asia, South America, and Oceania, we incorporate trace micro-alloying elements such as Vanadium (V) or Niobium (Nb). This critical manufacturing step boosts the yield-to-tensile ratio, making the coiled rebar exceptionally sound for constructing skyscrapers and infrastructure in high-risk seismic zones. Each batch undergoes rigorous third-party inspection and is dispatched with a formal Mill Test Certificate (MTC) conforming strictly to EN 10204 3.1.
Global Logistics, Anti-Rust Packaging & Warehousing Solutions
Understanding the severe conditions encountered during long-distance maritime freight, our facility enforces robust packaging standards for all coiled rebar shipments. Every steel coil is securely reinforced with four to six heavy-duty steel bands to guarantee complete stability during crane lifts and sea transits. To further eliminate salt spray rust, optional moisture-proof woven wrappings can be applied directly at our warehouse facility.
We work in close cooperation with premier international shipping lines to optimize freight costs. For smaller, recurring projects, we securely load 25-28 Metric Tons into standard 20ft heavy-load ocean containers. For massive municipal tenders, we utilize professional bulk carriers or Break-Bulk vessels, offering flexible FOB, CFR, and CIF shipping solutions directly to your destination port.
Frequently Asked Questions (FAQ)
Q1: What is the main structural difference between coiled rebar and straight rebar?
A1: Coiled rebar is rolled into continuous lengths weighing up to 3 tons, designed specifically for automated straightening and bending machinery. Straight rebar is pre-cut to set lengths (e.g., 6m or 12m). Coiled rebar minimizes scrap waste and boosts production efficiency in industrial precast concrete setups.
Q2: Which steel grades of coiled rebar do you manufacture for international export?
A2: We supply an extensive selection of international grades, including ASTM A615 Grade 40/60 (Americas), BS4449 Grade 250/460/500B (Europe and Africa), and HRB400/HRB400E/HRB500E (Asia). Customized chemical or physical properties can be engineered based on your specific architectural drawings.
Q3: How do you verify the mechanical properties and quality of the steel coils?
A3: Every batch undergoes strict traceability and laboratory testing. We conduct continuous tensile testing, bend trials, and spectral chemical analysis. Customers are welcome to arrange renowned third-party inspections such as SGS, BV, or Intertek prior to port loading.
Q4: What is your minimum order quantity (MOQ) and standard delivery lead time?
A4: Our standard MOQ for wholesale factory-direct orders is 25 Metric Tons (equivalent to one full 20ft container). For regular inventory specifications (like 8mm and 10mm diameters), delivery takes roughly 15-20 days following receipt of the advance payment or workable L/C.
Get Factory-Direct Wholesale Price & Free Samples
Are you searching for a stable, high-capacity Chinese manufacturer to optimize your concrete reinforcement procurement costs? Partner with us for premium Coiled Rebar featuring heavy-duty structural strength, uniform mechanical performance, and superior bendability. We ensure full compliance with international construction, concrete reinforcement, rebar mesh fabrication, and infrastructure engineering standards, backed by seamless global supply chain service.
- Flexible Tiered Pricing: Enjoy massive volume-based discounts and competitive FOB/CIF/CFR quotes for full container loads (20GP/40HQ) or bulk vessel shipments to maximize your project or inventory budget.
- 100% Free Samples: Test our steel quality firsthand. We offer premium Coiled Rebar section samples (available in various grades and yield strengths) featuring precise dimensional tolerances, uniform rib deformation patterns, excellent weldability, and cold-bending properties. Perfect for construction sites, precast concrete factories, or industrial steel wholesale verification.
- Guaranteed Fast Lead Time: Our advanced high-speed continuous rolling mills, automated cooling beds, precision compacting and tying lines, and strict online quality testing equipment ensure prompt manufacturing and on-time shipment.
- Customized Packaging: Prevent coil unravelling, deep nesting deformation, or heavy sea-water corrosion during long-distance ocean transit. We use heavy-duty high-tensile steel wire straps (4+4 banding), weather-proof protective wrapping, anti-rust coatings, and sea-freight optimized loading on sturdy dunnage for safe port handling.
