Construction Steel Rebar Bars - ASTM Certified Supplier

Zhonghe Building Materials Co., Ltd.

Verified Custom manufacturer · 3 yrs ·

China

Customizable Rock-bottom price

$469 1-49 ton Base price

$448 50-99 ton 4.5% off

$438 ≥100 ton 6.6% off

Price validity: subject to market conditions

Supplier's customization ability

Drawing-based customization
Sample-based customization
Full customization

Quantity

Minimum order quantity: 1 ton

Shipping total: To be negotiated

Subtotal of goods US$ 469.00

Start order request

Payment and delivery

Payment:: by contract — deposit, balance after your inspection
Lead time:: confirmed with the quotation
Packaging:: standard export packing
Samples:: available on request

Product details

Technical Specifications of Construction Steel Rebar Bars

Property	Parameter	Description
Product Name	Construction Steel Rebar Bars	Deformed steel reinforcing bars for concrete structures
Material Grade	HRB400 / HRB500 / SD400 / Grade 60	Equivalent to BS4449 B500B, ASTM A615 Gr.60, EN 10080 B500
Standard Compliance	ASTM A615 / A706, EN 10080, GB/T 1499.2, JIS G3112	Meets international structural reinforcement standards
Chemical Composition (C)	≤ 0.25%	Carbon content controlling weldability and hardness
Chemical Composition (Mn)	≤ 1.60%	Manganese enhances tensile strength and toughness
Chemical Composition (P / S)	P ≤ 0.045% / S ≤ 0.045%	Phosphorus and sulfur limits per ASTM A615 / EN 10080
Chemical Composition (Si)	≤ 0.80%	Silicon improves strength and deoxidation
Tensile Strength	≥ 540 MPa (HRB400) / ≥ 630 MPa (HRB500)	Per GB/T 1499.2; ASTM A615 Gr.60: ≥ 620 MPa
Yield Strength	≥ 400 MPa (HRB400) / ≥ 500 MPa (HRB500)	Per GB/T 1499.2; ASTM A615 Gr.60: ≥ 420 MPa
Elongation	≥ 16% (HRB400) / ≥ 15% (HRB500)	Minimum elongation at fracture per GB/T 1499.2
Diameter Range	6 mm – 50 mm	Common sizes: 8, 10, 12, 16, 20, 25, 32, 40 mm
Length	6 m / 9 m / 12 m or custom	Standard mill lengths; custom cutting available
Surface Finish	Hot-rolled deformed (ribbed) surface	Transverse and longitudinal ribs for superior concrete bond
Application	Buildings, bridges, tunnels, foundations, retaining walls	Primary reinforcement in reinforced concrete construction
Certification	ISO 9001, CE Mark, BIS, SGS, Mill Test Certificate (MTC)	Third-party inspection and material traceability available
Packaging	Bundled in 2–5 MT bundles, steel-strapped	Bare or with waterproof wrapping; seaworthy export packing
MOQ	25 MT per order	Mixed grades and sizes accepted above minimum quantity

Construction Steel Rebar Bars - ASTM Certified Supplier

Construction steel rebar bars serve as the structural backbone of modern infrastructure, providing the tensile reinforcement that concrete alone cannot deliver. From high-rise residential towers and commercial complexes to highway bridges, tunnels, and dam foundations, these deformed steel bars are indispensable across virtually every segment of civil and structural engineering. Our mill-direct supply chain ensures that every bar shipped meets strict dimensional tolerances and mechanical property benchmarks, giving contractors, developers, and procurement teams the confidence they need to build safely and efficiently. With ASTM-certified production capabilities, ISO 9001-registered quality management, and a global logistics network capable of fulfilling orders ranging from small project lots to multi-thousand-metric-ton bulk contracts, we deliver premium grade construction steel rebar bars at cost-effective, mill-direct rates — backed by transparent documentation and responsive technical support at every stage of your project.

Construction steel rebar bars supplier

What is Construction Steel Rebar Bars?

Construction steel rebar bars — formally known as reinforcing bars — are hot-rolled deformed steel rods embedded within concrete structures to absorb tensile, shear, and compressive stresses. The surface ribs and lugs create mechanical interlock with surrounding concrete, transforming a brittle matrix into a ductile composite system. Grades commonly supplied include ASTM A615 Grade 40, Grade 60, and Grade 75, as well as BS 4449 B500B and GB/T 1499.2 HRB400/HRB500 for international markets.

Construction Steel Rebar Bars Manufacturing Process

Production begins with continuous casting of billets from electric arc furnace (EAF) or basic oxygen furnace (BOF) steelmaking. Billets are reheated to approximately 1,150–1,250 °C and passed through a multi-stand rolling mill that progressively reduces cross-section while imparting the characteristic surface deformation pattern. Controlled cooling via water-quenching lines (Tempcore® or equivalent) achieves the required microstructural balance of a hardened martensitic surface layer over a tough ferritic-pearlitic core, delivering the specified yield and tensile strengths consistently across the entire bar length.

Construction steel rebar bars manufacturer

Construction Steel Rebar Bars Technical Specifications

Standard diameters range from 6 mm to 50 mm (or #3 to #18 in imperial sizing), with lengths of 6 m, 9 m, or 12 m as default mill options. Per ASTM A615 Grade 60, minimum yield strength is 420 MPa, minimum tensile strength is 620 MPa, and minimum elongation is 9% over an 8-inch gauge length. Density is 7.85 g/cm³. Epoxy-coated variants per ASTM A775 and stainless steel rebar per ASTM A955 are also available for corrosive environments. Mill test reports (MTRs) and third-party inspection certificates accompany every shipment.

Get a Competitive Quote for Construction Steel Rebar Bars

Whether you are sourcing construction steel rebar bars for a single project or establishing a long-term supply agreement, our team is ready to provide tailored pricing, flexible delivery schedules, and full technical documentation within 24 hours of inquiry. Reach out now and let us support your next build from the ground up.

Construction steel rebar bars wholesale

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!

Ratings & Reviews

4.5

Based on 8 reviews

5 5

4 2

3 1

2 0

1 0

David Kowalski

United States

2025-02-01

Initial documentation gap on #5 rebar order — resolved promptly

We purchased 75 MT of ASTM A615 Grade 40 #5 bars for a municipal retaining wall project in Ohio. On arrival, the packing list referenced a different heat number than the MTRs, which would have flagged in our owner's quality audit. I raised it with the support team the same day. They issued a corrected MTR with a formal non-conformance closure letter within 48 hours, which satisfied our project engineer. The bars themselves tested fine — yield at 295 MPa, elongation compliant. Issue was administrative, not metallurgical, and the response was professional. Cautiously willing to reorder.

Rachel Donnelly

United Kingdom

2025-02-23

Solid BS 4449 B500B quality — pricing competitive for mid-size lots

Ordered 130 MT of BS 4449 B500B in 12 mm and 25 mm for a school extension contract in Leeds. Quality was consistent with the MTRs — yield and tensile values matched, surface deformation geometry was clean. Price per tonne undercut our usual UK stockholder by about 7% even after freight. The only reason this isn't five stars is that the online inquiry form had a brief technical glitch and I had to follow up by email. Response once connected was fast. Would use again for similarly sized packages.

Tariq Al-Mansouri

UAE

2025-03-17

Good value on bulk Grade 60 — minor lead time variance worth noting

Procured 850 MT of ASTM A615 Grade 60 in 12 mm, 16 mm, and 32 mm for a logistics park development in Dubai Industrial City. Mill pricing was noticeably below two local distributors we quoted, and the MTRs were thorough. Actual delivery came in three days beyond the agreed 22-day window due to port congestion at origin — not ideal but manageable with buffer stock. Quality on arrival was fully compliant; no rejections. Rating four stars rather than five purely on the schedule slip, but overall value for a large-volume order is strong.

Know your supplier

Zhonghe Building Materials Co., Ltd.

3 yrs on Sinoali.com

Located in China

Company information More goods

FAQ

Q: What grades of rebar do you supply?

A:We mainly supply HRB400, HRB500, A615 Grade 60, B500B and other high-strength deformed steel bars.

Q: What diameters are available for your rebar?

Q: Can you provide mill test certificates (MTC) for rebar?

Q: Do you accept customized lengths for rebar?

Q: Can you supply deformed steel bars for concrete reinforcement?

Q: What packaging is used for steel rebar?

Product display

Zhonghe Building Materials Co., Ltd. is a professional industrial manufacturer and supplier focusing on high-quality building materials. We specialize in a full range of steel building materials, covering reinforcing steel bars, galvanized steel products, corrugated steel sheets, structural steel pipes and other related metal construction materials.

Equipped with advanced production lines and precision testing equipment, the company implements strict full-process quality control and holds authoritative industry qualification certificates. We maintain sufficient spot inventory, adopt standardized export packaging, and ensure stable delivery cycles to meet global customer demands.

Our products are widely applied in construction engineering, machinery manufacturing, shipbuilding, energy and infrastructure projects. Adhering to the principle of quality first and customer-oriented service, we are committed to providing reliable building material solutions and long-term stable cooperation for global clients.