HRB400E Rebar (Seismic Grade)
Hot-rolled ribbed reinforcing bar to GB/T 1499.2
HRB400E is the seismic grade of Chinese rebar: 400 MPa minimum yield, 540 MPa minimum tensile, and an elongation-after-fracture requirement of 9 % that the plain HRB400 does not have. The ‘E’ suffix is what your engineer is looking for on a project in a seismic zone, and it is the grade most often specified on Latin American, African and Middle Eastern tenders that follow Chinese design.
Equivalent grades
| GB/T 1499.2 | HRB400E |
|---|---|
| EN 10080 | B500B |
| ASTM | A706 Gr.60 (similar) |
| JIS G3112 | SD390 (similar) |
GB/T 1499.2
Chemical composition
| C | Si | Mn | P | S | Ceq |
|---|---|---|---|---|---|
| ≤ 0.25 | ≤ 0.80 | ≤ 1.60 | ≤ 0.045 | ≤ 0.045 | ≤ 0.54 |
Values in % by mass. Limits are maxima unless a range is stated.
Mechanical properties
| Grade | ReH min (MPa) | Rm (MPa) | A min (%) | Agt min (%) | Rm / Re ratio |
|---|---|---|---|---|---|
| HRB400E | ≥ 400 | ≥ 540 | ≥ 16 | ≥ 9 | ≥ 1.25 |
Typical values per GB/T 1499.2. The composition and mechanical properties of your order are stated on the EN 10204 3.1 mill test certificate.
Dimensions
| Thickness / diameter (mm) | 6 – 50 mm nominal diameter |
|---|---|
| Width / size class | — |
| Length / face | 6 / 9 / 12 m or cut to length |
Ribbed surface, straight bundles or coils, mill test per heat · Sizes outside the ranges below are available on request — send the specification and quantity.
Typical applications
- Reinforced concrete structures in seismic zones
- Foundations, columns and slabs
- Bridges, culverts and retaining walls
- Industrial floors and precast elements
- Infrastructure tenders with Chinese design codes
How to choose
Order & delivery
| Lead time | 15 – 30 days after deposit or L/C for mill-rolled material; stock sizes ship sooner. |
|---|---|
| Packing | Steel strapping, wooden pallets or crates, edge protection, custom shipping marks. |
| Payment | T/T with deposit, or L/C at sight. Terms are confirmed on the proforma invoice. |
| Minimum order | Normally one 20′ container per size; mixed sizes can be combined in one container. |
| Documents | Invoice, packing list, bill of lading, certificate of origin, EN 10204 3.1 mill test certificate. |
| Incoterms | FOB, CFR, CIF to your port. Third-party inspection (SGS, BV, Intertek) arranged on request. |
FAQ
What does the E in HRB400E mean?
Do you supply rebar in cut lengths or coils?
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