HRB400E is a premium hot-rolled ribbed steel rebar manufactured under the Chinese National Standard GB/T 1499.2-2024. The letter "E" specifically designates its superior Earthquake-Resistant (Seismic) properties.

Through micro-alloying and precision controlled rolling and cooling processes, HRB400E delivers exceptional yield strength alongside remarkable ductility, a high tensile-to-yield ratio, and excellent weldability. It is widely recognized as the primary structural reinforcement bar for seismic-zone infrastructure and high-rise commercial developments worldwide.

Technical Specifications & Equivalent International Standards

To assist global engineers and procurement officers, below is the technical profile of HRB400E and its primary international equivalents:

1. Mechanical & Physical Properties

2. International Grade Cross-Reference Chart

If your engineering drawings specify other international standards, HRB400E serves as a high-performance equivalent to:

·ASTM A615 / A706: Grade 60

·British Standard (BS 4449): B500B / B500C

·Japanese Standard (JIS G3112): SD400 / SD400E

·Eurocode (EN 10080): B500B

Key Engineering Advantages of HRB400E Rebar

1. Superior Earthquake Resistance & Safety

The stringent and.0% guarantees a long, ductile plastic deformation phase before ultimate fracture. This prevents catastrophic structural failure during seismic events, providing vital emergency evacuation time.

2. Cost-Effective Structural Design

Replacing lower-grade rebars (such as HRB335 or Grade 40) with HRB400E reduces total steel volume in concrete designs by 10% to 15%, significantly lowering overall project material and freight costs.

3. Outstanding On-Site Workability

Optimized chemical composition ensures high weldability (compatible with butt welding and lap welding) and smooth bendability without micro-fracturing on construction sites.

Typical Structural Applications

·High-Rise & Public Buildings: Main load-bearing columns, beams, foundation rafts, and shear walls.

·Critical Lifeline Infrastructure: Emergency command centers, hospitals, schools, and airport terminals in active seismic zones.

·Heavy Civil Engineering: Bridges, highway overpasses, tunnels, subways, and marine ports.

Export Packaging, Lengths & Container Loading Details

As an experienced steel exporter located in Tangshan, China, near Tianjin Port, we supply HRB400E rebars tailored for international maritime transport:

·Standard Lengths: 6-meter, 9-meter, or 12-meter straight lengths (U-folded/bent 12m available to fit standard 20ft containers).

·Export Bundling: Firmly strapped with high-tensile wire/steel bands in 2.0 to 3.0 metric ton bundles, complete with dual aluminum tags for batch traceability.

·Container Loading Optimization: We optimize loading to maximize the 25–27 metric ton payload per 20ft heavy-duty container.

Frequently Asked Questions (FAQ)

Q1: What is the main difference between HRB400 and HRB400E?

A: HRB400 is standard hot-rolled rebar. HRB400E must meet strict additional seismic requirements (tensile/yield ratio ≥1.25, actual/specified yield ratio $\le 1.30$, and elongation $A_{gt}\ge 9.0\mathrm{\%}$). HRB400E is mandatory for seismic structural designs.

Q2: Can 12-meter HRB400E rebars be loaded into 20ft shipping containers?

A: Yes. To save ocean freight costs, 12m rebars can be professionally U-bent (folded in half) at the mill to fit into 20ft containers, or shipped straight in 40ft containers / breakbulk vessels for large tonnage orders.

Get a Competitive Quote for HRB400E Rebar

Looking for reliable, certified HRB400E seismic rebar for your upcoming project? Contact our sales engineering team today for factory-direct rates, Mill Test Certificates (MTC), and ocean freight quotes to your destination port.

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