Hot Selling Rebar Bars at Factory Prices in China, 8mm, 10mm, and 12mm Steel Bars
ZCXH
Shandong,China
10-20 days
1000 tons/ month
Product spotlights
Feature highlights:High-quality carbon steel rebar available in 8mm, 10mm, and 12mm sizes, featuring hot-rolled round shape design with ±1% tolerance. Suitable for construction structures and commercial buildings. Customizable length and specifications with standard seaworthy packing. Delivers within 8-14 days.
Supplier highlights:This supplier mainly exports to the Democratic Republic of Congo, the UK, and Brazil. They offer full customization, design customization, and sample customization services, and have product certifications.
Popular on Alibaba.com:This product enjoys significant popularity on Alibaba.com, driven by its competitive pricing and surging traffic.
I. Core Mechanical Performance: Tailored for Light-to-Medium Reinforcement Needs
As small-diameter rebar, they are designed to provide structural support without excessive weight, making them ideal for non-main load-bearing or secondary load-bearing components. Their mechanical properties align with China’s national standards (e.g., GB/T 1499.2-2018 for hot-rolled ribbed rebar) and industry demands:
High Tensile Strength & Yield Strength: Common grades for these diameters are HRB400 (Grade 400) (the most popular) and HRB500 (high-strength option). Taking HRB400 as an example:
Yield strength ≥400 MPa (ensures the bar resists deformation under load without permanent damage);
Tensile strength ≥540 MPa (prevents brittle fracture under sudden stress);
Elongation ≥16% (good ductility, allowing slight deformation before failure—critical for earthquake resistance and structural safety). For 8mm/10mm/12mm bars, this strength range balances “support capacity” and “workability” (avoiding overly high strength that makes bending difficult).
Ribbed Surface for Strong Bonding with Concrete: All three diameters feature hot-rolled transverse ribs (the raised, periodic patterns on the surface). These ribs significantly enhance the “bond strength” between rebar and concrete—preventing slippage between the two materials when the structure bears load (e.g., in floor slabs or walls). The rib spacing and height comply with GB/T 1499.2, ensuring consistent bonding performance across batches.
Good Ductility & Toughness: Even at small diameters, they maintain excellent toughness (especially in low-temperature environments, e.g., -40°C for Q345-based HRB400). This avoids brittle cracking during construction (e.g., bending, cutting) or under dynamic loads (e.g., minor earthquakes), a key advantage over low-quality “non-standard” rebar.
II. Cost-Effectiveness: Factory-Direct Pricing & Low Total Ownership Cost
Factory prices (a key selling point) and inherent material efficiency make these rebar bars highly cost-competitive for bulk buyers (e.g., construction companies, prefabricated component factories):
Factory-Direct Pricing Advantage: Sourced directly from Chinese rebar manufacturers (e.g., large steel mills like Baosteel, Angang, or regional specialized factories), these bars eliminate middlemen (distributors, agents), reducing price markups by 5–15% compared to retail channels. For bulk orders (e.g., 100+ tons), factories often offer additional discounts, making them ideal for large-scale projects (e.g., residential communities, small commercial buildings).
Material Efficiency & Low Waste: 8mm/10mm/12mm are small-diameter bars, so they have a high surface area-to-volume ratio—meaning less steel is needed to achieve the required reinforcement density (e.g., in thin floor slabs or partition walls). Additionally, their standard lengths (common 9m or 12m, customizable by factory) align with most construction design specifications, minimizing cutting waste (typically <3%, vs. 5–8% for non-standard lengths).
Low Maintenance & Long Service Life: Made of carbon-manganese steel (HRB400/500) with optional anti-rust treatments (e.g., plain carbon steel for indoor dry environments, or epoxy coating for humid/coastal areas), these bars resist corrosion in standard construction scenarios. Once embedded in concrete, they form a “passive protective layer” with concrete, ensuring the structure’s service life (≥50 years for residential buildings) without additional maintenance costs.
