HRB400 steel bar is a common building material with a series of unique characteristics and a wide range of applications.
First, HRB400 steel bars have good mechanical properties. Its tensile strength reaches more than 400MPa, which can withstand large tensile forces. At the same time, its yield strength is also high, and it is not easy to undergo plastic deformation when subjected to external forces. Therefore, the use of HRB400 steel bars in construction can ensure the stability and safety of the structure, and effectively prevent building damage caused by insufficient strength.
Secondly, HRB400 steel bars have good weldability. In building construction, due to various reasons, it is sometimes necessary to weld steel bars to meet the needs of components. Compared with other types of steel bars, HRB400 steel bars have better weldability and higher welding strength. This provides greater flexibility and convenience for engineering design and construction.
In addition, HRB400 steel bars have excellent corrosion resistance. In construction projects, due to the presence of water, oxygen, acid rain and other factors, steel bars are easily affected by corrosion. However, the HRB400 steel bar has been specially treated, and its surface coating can effectively resist corrosion erosion, prolong the service life of the steel bar, and improve the durability of the building structure.
In addition, the scope of application of HRB400 steel bars is very wide. It can be used for reinforcement and support of various building structures, such as buildings, bridges, tunnels, etc. At the same time, in industrial buildings and infrastructure construction, HRB400 steel bars are often used as the main structural material. Due to its good mechanical properties and corrosion resistance, HRB400 steel bars are widely used in engineering projects, providing a solid guarantee for the safety and stability of buildings.
HRB400 steel bar is a building material with unique characteristics and a wide range of applications. It has excellent mechanical properties, weldability and corrosion resistance, and is suitable for various building structures and engineering projects. In future construction projects, HRB400 steel bars will continue to play an important role, providing reliable support for the safety and stability of buildings. 
Zhengde The grade of fine-grain hot-rolled steel bar is followed by the English abbreviation of "hot-rolled ribbed steel bar" with the first letter of "fine" in English (Fine). Such as: HRBF335, HRBF400, HRBF500. Applicable grades for seismic structures with higher requirements: Add E after the existing grades (for example: HRB400E, HRBF400E).
Main application: Widely used in the construction of houses, bridges, roads and other civil engineering.
Including hot-rolled round steel bars for reinforced concrete, thermal steel bars for prestressed concrete, and hot-rolled strip steel bars for reinforced concrete. Cold rolled steel bars. In addition to round steel, others are also called rebar. Because the surface of the steel is rolled into ears or threaded bars during rolling, it is steel for reinforced concrete in the construction industry.
d
mm | weight
kg/m | 4.25d
mm | cm2 | Rebar type/d |
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 |
| 10 | 0.616 | 43 | 0.785 | 1.570 | 2.355 | 3.140 | 3.925 | 4.710 | 5.495 | 6.280 | 7.065 | 7.850 | HRB335/10 |
| 12 | 0.888 | 51 | 1.131 | 2.262 | 3.393 | 4.524 | 5.655 | 6.786 | 7.917 | 9.048 | 10.179 | 11.310 | HRB335/12 |
| 14 | 1.208 | 60 | 1.539 | 3.078 | 4.617 | 6.156 | 7.695 | 9.234 | 10.773 | 12.312 | 13.851 | 15.390 | HRB335/14 |
| 16 | 1.578 | 68 | 2.011 | 4.022 | 6.033 | 8.044 | 10.055 | 12.066 | 14.077 | 16.088 | 18.099 | 20.110 | HRB335/16 |
| 18 | 1.998 | 77 | 2.545 | 5.090 | 7.635 | 10.180 | 12.725 | 15.270 | 17.815 | 20.360 | 22.905 | 25.450 | HRB335/18 |
| 20 | 2.466 | 85 | 3.142 | 6.284 | 9.426 | 12.568 | 15.710 | 18.852 | 21.994 | 25.136 | 28.278 | 31.420 | HRB335/20 |
| 22 | 2.984 | 94 | 3.801 | 7.602 | 11.403 | 15.204 | 19.005 | 22.806 | 26.607 | 30.408 | 34.209 | 38.010 | HRB335/22 |
| 25 | 3.853 | 106 | 4.909 | 9.818 | 14.727 | 19.636 | 24.545 | 29.454 | 34.363 | 39.272 | 44.181 | 49.090 | HRB335/25 |
| 28 | 4.834 | 119 | 6.158 | 12.316 | 18.474 | 24.632 | 30.790 | 36.948 | 43.106 | 49.264 | 55.422 | 61.580 | HRB335/28 |
| 32 | 6.313 | 136 | 8.042 | 16.084 | 24.126 | 32.168 | 40.210 | 48.252 | 56.294 | 64.336 | 72.378 | 80.420 | HRB335/32 |
| 36 | 7.990 | 153 | 10.179 | 20.358 | 30.537 | 40.716 | 50.895 | 61.074 | 71.253 | 81.432 | 91.611 | 101.790 | HRB335/36 |
| 40 | 9.865 | 170 | 12.566 | 25.132 | 37.698 | 50.264 | 62.830 | 75.396 | 87.962 | 100.528 | 113.094 | 125.660 | HRB335/40 |
| 45 | 12.485 | 191 | 15.904 | 31.808 | 47.712 | 63.616 | 79.520 | 95.424 | 111.328 | 127.232 | 143.136 | 159.040 | HRB335/45 |
| 50 | 15.413 | 213 | 19.635 | 39.270 | 58.905 | 78.540 | 98.175 | 117.810 | 137.445 | 157.080 | 176.715 | 196.350 | HRB335/50 |
| 55 | 18.652 | 234 | 23.758 | 47.516 | 71.274 | 95.032 | 118.790 | 142.548 | 166.306 | 190.064 | 213.822 | 237.580 | HRB335/55 |
| 60 | 22.192 | 255 | 28.274 | 56.548 | 84.822 | 113.096 | 141.370 | 169.644 | 197.918 | 226.192 | 254.466 | 282.740 | HRB335/60 |
| 70 | 30.206 | 298 | 38.485 | 76.970 | 115.455 | 153.940 | 192.425 | 230.910 | 269.395 | 307.880 | 346.365 | 384.850 | HRB335/70 |
| 80 | 39.462 | 340 | 50.265 | 100.530 | 150.795 | 201.060 | 251.325 | 301.590 | 351.855 | 402.120 | 452.385 | 502.650 | HRB335/80 |
| 90 | 49.942 | 383 | 63.617 | 127.234 | 190.851 | 254.468 | 318.085 | 381.702 | 445.319 | 508.936 | 572.553 | 636.170 | HRB335/90 |
Our Advantages
Two craft
The grade of fine-grain hot-rolled steel bar is followed by the English abbreviation of "hot-rolled ribbed steel bar" with the first letter of "fine" in English (Fine). Such as: HRBF335, HRBF400, HRBF500. Applicable grades for seismic structures with higher requirements: Add E after the existing grades (for example: HRB400E, HRBF400E).
Main application: Widely used in the construction of houses, bridges, roads and other civil engineering.
Adequate inventory
Rebar series with nominal diameters of 6, 8, 10, 12, 16, 20, 25, 32, 40, 50mm. The supply length is divided into two types: fixed length and double length. The selection range of export rebar fixed length is 6~12m. The above specifications and sizes have a large stock all the year round.Within 10,000 tons, it can be packaged and shipped within three days.
Attention to detail
The surface quality requires that the end should be cut straight, and the surface should not have cracks, scars and folds, and there should be no harmful defects in use, etc.
The bending degree of rebar and the requirements of the geometric shape of the steel bar The bending degree of the straight steel bar should not affect the normal use, and the total bending degree should not be greater than 0.4% of the total length of the steel bar.
Applicable scene
The market demand for rebar is closely related to the development of the construction industry. With the acceleration of the urbanization process, the demand for construction projects continues to grow, and the demand for rebar is also increasing. The market has the largest demand for rebar with a diameter of 8mm/10mm/12mm. With the advancement of large-scale infrastructure construction, the demand for 14mm/16mm diameter rebar is gradually increasing.
Quality first: production and inspection in strict accordance with production standards;
Price advantage: discounts based on real market prices;
Transaction security: There will be no loss of customer funds;
After-sales guarantee: the customer's problem is our problem;
Long-term cooperation: quality assurance, price advantage, sincere service can last for a long time. Detailed Photos
Packaging & Shipping
Company Profile
Shandong Zhengde Metal Manufacturing Co., Ltd. is a production and sales company integrating hot-rolled steel coils, cold-rolled steel coils, galvanized steel coils, color-coated steel coils, section steel, steel pipes, steel wires, metal mesh, stainless steel, aluminum, copper and other metal products integrated large enterprises. Five production and sales bases have been formed in Binzhou, Liaocheng, Wuxi, Tianjin, Jinan and Tai'an, with more than 100 production lines, 4 nationally recognized laboratories, 2 technical engineering centers, and 5 enterprise technology centers. Products are exported to more than 50 countries and regions such as North America, South America, Europe, Africa, Oceania, Middle East, and Southeast Asia.
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