No, it isn’t. Rebar is a common name for hot-rolled ribbed steel bars. The grade of ordinary hot-rolled steel bar is composed of HRB and the minimum yield point of the grade. H, R, and B are the English initials of the three words Hotrolled, Ribbed, and Bars, respectively. Hot-rolled ribbed steel bars are divided into two grades: HRB335 (ASTM A615 Grade 40), grade three HRB400 (ASTM A615 Grade 60), and grade four HRB500(ASTM A615 Grade 75). However, stainless steel is the abbreviation of stainless acid-resistant steel, which is resistant to weak corrosive media such as air, steam, water, or has stainless steel. Corrosion) steel is called acid-resistant steel. Due to the difference in chemical composition of the two, their corrosion resistance is different. Ordinary stainless steel is generally not resistant to chemical medium corrosion, while acid-resistant steel is generally stainless.

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