Reinforcing steel bar
Reinforcing steel bar
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  • Reinforcing steel bar
  • Reinforcing steel bar
  • Product Description
  • Product Name
    Grade
    Specifications
    Implementation Standard
    Reinforcing steel bar
    HRB400, HRB500
    8-40
    GB 1499.2-2007
    Seismic-resistant threaded steel bar
    HRB400E, HRB500E
    8-40
    GB 1499.2-2007
    British Standard Rebar
    460B, B500B, B500C
    8-40
    BS4449-1997/BS4449-2005
    Korean-standard threaded steel bars
    SD400, SD500, SD600
    8-40
    KS D3504:2016
    American-standard threaded steel bars
    Gr40,Gr60,Gr75,Gr80
    8-40
    ASTM A615/A615M-2016 ASTM A706/706M-2016
    Australian-standard threaded steel bars
    500N
    12-36
    AN/NZS4672-2001
    Ma Biao threaded steel bar
    B500B
    10-40
    MS.146:2014
    Costa Rican threaded steel
    Gr40,Gr60,Gr75,Gr80
    8-40
    ASTM A615/A615M-2016 ASTM A706/706M-2016
    Brazilian rebar
    CA50
    8-40
    ABNT NBR 7480

    HRB400 rebar, formerly known as Grade III threaded steel, is a type of hot‑rolled ribbed steel bar. In the construction industry, “Grade III threaded steel” was the previous term used to refer to it. In China, manufacturers are mainly concentrated in North and Northeast China: in the North, companies such as Shougang, Tangsteel, Xuansteel, Chengsteel, Shanxi Zhongyang Steel, and Baoding Purui Steel; in the Northeast, firms like Xilin, Beitai, and Fushun Steel. These two regions account for more than 50% of the country’s total threaded steel production. Compared with plain round bars, threaded steel features longitudinal and transverse ribs on its surface—typically two longitudinal ribs and transverse ribs evenly spaced along its length. As a small‑section steel product, threaded steel is primarily used as the reinforcing framework in reinforced concrete structural members. It must meet specified requirements for mechanical strength, bendability, and weldability. The raw material for producing threaded steel is carbon or low‑alloy structural steel that has undergone calm‑melting treatment, while the finished product is delivered in a hot‑rolled, normalized, or as‑rolled condition.

Reinforcing steel bar

During service, it is required to possess a certain level of mechanical strength, flexural deformation resistance, and weldability.

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  • Product Description
  • Product Name
    Grade
    Specifications
    Implementation Standard
    Reinforcing steel bar
    HRB400, HRB500
    8-40
    GB 1499.2-2007
    Seismic-resistant threaded steel bar
    HRB400E, HRB500E
    8-40
    GB 1499.2-2007
    British Standard Rebar
    460B, B500B, B500C
    8-40
    BS4449-1997/BS4449-2005
    Korean-standard threaded steel bars
    SD400, SD500, SD600
    8-40
    KS D3504:2016
    American-standard threaded steel bars
    Gr40,Gr60,Gr75,Gr80
    8-40
    ASTM A615/A615M-2016 ASTM A706/706M-2016
    Australian-standard threaded steel bars
    500N
    12-36
    AN/NZS4672-2001
    Ma Biao threaded steel bar
    B500B
    10-40
    MS.146:2014
    Costa Rican threaded steel
    Gr40,Gr60,Gr75,Gr80
    8-40
    ASTM A615/A615M-2016 ASTM A706/706M-2016
    Brazilian rebar
    CA50
    8-40
    ABNT NBR 7480

    HRB400 rebar, formerly known as Grade III threaded steel, is a type of hot‑rolled ribbed steel bar. In the construction industry, “Grade III threaded steel” was the previous term used to refer to it. In China, manufacturers are mainly concentrated in North and Northeast China: in the North, companies such as Shougang, Tangsteel, Xuansteel, Chengsteel, Shanxi Zhongyang Steel, and Baoding Purui Steel; in the Northeast, firms like Xilin, Beitai, and Fushun Steel. These two regions account for more than 50% of the country’s total threaded steel production. Compared with plain round bars, threaded steel features longitudinal and transverse ribs on its surface—typically two longitudinal ribs and transverse ribs evenly spaced along its length. As a small‑section steel product, threaded steel is primarily used as the reinforcing framework in reinforced concrete structural members. It must meet specified requirements for mechanical strength, bendability, and weldability. The raw material for producing threaded steel is carbon or low‑alloy structural steel that has undergone calm‑melting treatment, while the finished product is delivered in a hot‑rolled, normalized, or as‑rolled condition.

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The primary function of the reinforcing cage is analogous to that of the longitudinal reinforcement in columns: it primarily resists tensile forces. Concrete exhibits high compressive strength but very low tensile strength.
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Reinforcing bars used to secure the position of the main reinforcement, thereby forming the reinforcing steel framework within the beam.
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During service, it is required to possess a certain level of mechanical strength, flexural deformation resistance, and weldability.
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This steel is distinguished by its unique helical shape, which helps save space during transportation and storage, making it easy to carry and handle.
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