When you need HRB rebar for reinforced concrete construction, building projects, infrastructure, contractors or distribution supply, you can send grade, diameter, length, quantity, bundle weight, standard, MTC requirement and destination details. Bao Steel (Qingdao) Co., Ltd. supports HRB400, HRB400E, HRB500 and HRB500E hot rolled ribbed bars from 6.0–50mm diameter with grade review, document support, bundle packing and export shipment coordination.
HRB400 and HRB500 are selected by strength level. HRB400E and HRB500E are usually selected when the project includes earthquake-resistant or higher ductility-related requirements. You should confirm the project standard, grade, diameter, length, bundle requirement and MTC requirement before quotation.
You can request HRB400 rebar for common reinforced concrete construction, building projects, infrastructure and distribution supply.
You can choose HRB400E when the project requires HRB400 strength level with earthquake-resistant or higher ductility-related acceptance details.
You can select HRB500 rebar when the project needs higher yield strength than HRB400 and the design documents approve this grade.
You can request HRB500E when the project needs higher strength plus earthquake-resistant or ductility-related test requirements.
Use this comparison to decide which HRB rebar grade should be quoted first. HRB500 gives higher strength, while HRB400 is often used for general construction and easier standard sourcing. E grades are used when the project requires earthquake-resistant or ductility-related acceptance.
| Grade | Reference Yield Strength | Reference Tensile Strength | Reference Elongation | E Grade Extra Control | Best Used When |
|---|---|---|---|---|---|
| HRB400 | ≥ 400 MPa | ≥ 540 MPa | A ≥ 16%, Agt ≥ 7.5% | Not E-grade controlled | General reinforced concrete, building projects, distributors and standard construction supply. |
| HRB400E | ≥ 400 MPa | ≥ 540 MPa | A ≥ 16%, Agt usually controlled higher for E grade | Rm/ReL ≥ 1.25, actual yield / grade yield ≤ 1.30, Agt ≥ 9.0% | Projects requiring HRB400 strength level with seismic or ductility-related acceptance. |
| HRB500 | ≥ 500 MPa | ≥ 630 MPa | A ≥ 15%, Agt ≥ 7.5% | Not E-grade controlled | Higher-strength reinforcement where the project design approves HRB500 instead of HRB400. |
| HRB500E | ≥ 500 MPa | ≥ 630 MPa | A ≥ 15%, Agt usually controlled higher for E grade | Rm/ReL ≥ 1.25, actual yield / grade yield ≤ 1.30, Agt ≥ 9.0% | Higher-strength reinforcement with seismic or ductility-related project requirements. |
We support HRB rebar sourcing for importers, distributors, contractors, construction companies and infrastructure project buyers who need grade confirmation, MTC documents, bundle packing and export shipment support.
HRB400 is commonly used for reinforced concrete buildings, infrastructure, distribution supply and standard construction reinforcement.
HRB400E is selected when the buyer needs HRB400 strength level with earthquake-resistant or ductility-related acceptance requirements.
HRB500 is requested when the project needs higher strength reinforcement and the design documents allow HRB500 grade use.
HRB500E is selected when higher strength and earthquake-resistant or ductility-related acceptance are both required.
HRB rebar quotation should not be based only on grade name. Diameter, length, quantity, bundle weight, standard, test requirement, packing method, destination and project document all affect pricing and delivery feasibility.
HRB rebar buyers often compare suppliers by price, but receiving disputes usually come from grade mismatch, unclear heat number, missing test details, wrong bundle marks or poor loading records. These details should be checked before shipment.
You can confirm whether HRB400 or HRB500 matches the required strength level in the project specification.
You can request HRB400E or HRB500E when the project includes strength ratio, yield ratio and Agt requirements.
You can confirm bend and re-bend test requirements when project documents require ductility or seismic-related acceptance.
You can align heat number, MTC, bundle labels, grade marks, shipping marks and loading photos before shipment.
You can review diameter, rib condition, grade marks, bundle labels, MTC consistency, packing condition and loading photos before shipment. These details matter for importers, distributors, contractors and project buyers.
You can review rebar bundles, diameter range, warehouse handling and export-ready stock condition.
You can confirm bar diameter, rib condition, surface condition, straightness and order consistency.
You can align bundle tags, heat number, MTC, grade, quantity and document details before loading.
You can request steel straps, tags, bundle marks, shipping marks and bundle weight confirmation.
You can review container stuffing, loading protection, shipping marks and loading photos before shipment.
HRB rebar is mainly used for reinforced concrete projects where grade, strength level, ductility requirement, rib condition and construction acceptance details must match the design requirement.
You can use HRB rebar for columns, beams, slabs, walls, foundations and reinforced concrete building structures.
You can select HRB400 or HRB500 rebar for bridges, roads, tunnels, retaining structures and public infrastructure reinforcement.
You can request HRB400E or HRB500E when project documents require earthquake-resistant or higher ductility-related control.
You can confirm grade, diameter, length, bundle weight, documents and shipping marks for repeated construction material supply.
If your order is used for building construction, infrastructure or seismic-related reinforced concrete projects, application references can help you confirm grade, diameter, bundle weight, length and document requirements more clearly.
You can use HRB rebar for reinforced concrete buildings, columns, beams, slabs and walls.
You can select HRB rebar by grade and diameter according to bridges, roads, tunnels and public project drawings.
You can choose HRB400E or HRB500E when the project includes earthquake-resistant or ductility-related acceptance details.
HRB rebar buyers often need standard confirmation, grade review, test documents, bundle labels, export packing, loading photos and shipment coordination before final order.
You can send HRB grade, project standard, diameter, length, quantity and application for quotation review.
You can request MTC, heat number, chemical analysis, mechanical properties, bend test and re-bend test details.
You can confirm bundle weight, steel straps, tags, shipping marks and container loading requirements before shipment.
You can request loading photos, packing photos, shipping marks and shipment document coordination according to order requirements.
You should send grade, diameter, length, quantity, bundle weight, standard, MTC requirement, packing requirement and destination country or port.
HRB rebar can be supplied from 6.0–50mm diameter. Final availability depends on grade, quantity, length, packing requirement and production schedule.
HRB500 has a higher reference yield strength than HRB400. HRB400 is commonly selected for general reinforced concrete construction, while HRB500 is used when the project design requires and accepts higher-strength reinforcement.
HRB400E keeps the HRB400 strength level but adds earthquake-resistant or ductility-related acceptance control, such as strength ratio, yield ratio and Agt requirements.
Yes. Mixed grade inquiries can be reviewed together, but each grade should have clear diameter, length, quantity, bundle requirement, document requirement and destination details.
Yes. MTC, heat number, chemical composition, mechanical properties, bend test, re-bend test, packing photos and loading photos can be discussed according to order requirements.
HRB rebar buyers may also need the main steel rebar page, TMT rebar, wire rod products, structural steel, steel bar, quality control and export packing support.
Main steel rebar category page covering TMT rebar, HRB rebar, ASTM A615, BS4449 and rebar mesh.
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View TMT Rebar →Carbon steel wire rod, steel wire, strand and related wire products for export supply.
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View Structural Steel →Carbon steel plate for machinery, fabrication, welded structures and construction projects.
View Carbon Steel Plate →Carbon steel round bar and stainless steel round bar for machining, shafts and industrial components.
View Steel Bar →MTC review, heat number traceability, dimension check, surface inspection and third-party inspection.
View Quality Control →Export bundle packing, shipping marks, loading photos and shipment support for steel products.
View Packing & Shipping →Send grade, diameter, length, quantity, bundle weight, standard, MTC requirement, packing request and destination details. We will check availability, packing, document support, loading method and quotation details.
Send this form for HRB400 rebar, HRB400E rebar, HRB500 rebar, HRB500E rebar and other steel product inquiries.
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