Rebar
Rebar is the common name for hot rolled ribbed steel bars. The grade of ordinary hot-rolled steel bar is composed ofHRB and the minimum yield point of the grade. H, R, and B are the first letters of the three words Hotrolled, Ribbed.and Bars respectively. Hot-rolled ribbed steel bars are divided into three grades: Grade II HRB335 (the old grade is 20MnSi), Grade IIlHRB400 (the old grades are 20MnSiV,20MnSiNb, 20Mnti), and Grade IV HRB500.
GR40 Rebar
Rebar with a grade 40 rebar designation offers a minimum yield strength of 40,000 pounds per square inch and conforms to ASTM A-615 performance standards. Its metric counterpart is grade 280 rebar, with an equivalent minimum yield strength of 280 megapascals.
CA50 Rebar
CA50 steel bar is a commonly used building steel bar, mainly composed of carbon, manganese, sulfur, phosphorus and other components. It has good mechanical properties and uniform chemical composition, and is widely used in engineering fields such as building structures, bridges, and highways.
B500B Rebars
B500 steel reinforcement is an important material widely used in infrastructure construction in China, characterized by high strength, high toughness, good welding performance, and seismic resistance. In projects such as bridges, tunnels, and high-rise buildings, B500 steel bars play an important role in bearing and transmitting loads.
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