NM400 is a type of wear-resistant steel plate, with a Brinell hardness value of HB. The hardness value of NM400 is broad, ranging from 360 to 420.
HRB600 steel bar is a new type of hot-rolled ribbed steel bar with high strength and good ductility. The use of HRB600 steel bar in engineering presents advantages such as saving steel bar usage and facilitating steel bar layout.
HRB500 steel reinforcement refers to a commonly used steel material in concrete structures, which has certain strength and toughness, and can effectively enhance the bearing capacity and tensile performance of concrete. Steel reinforcement plays an important role in construction.
HRB400 is a steel reinforcement material with high strength and good plasticity. HR stands for "hot rolling", which essentially refers to the heating and rolling process of steel bars in the production process. B represents that its yield strength is 400 megapascals (MPa) higher than that of ordinary carbon steel.
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