What's the hardness of SS400 steel?

SS400 stee density (kg/m3): 7860
SS400 steel hardness: Brinell Hardness (HB) 160

What’s the equivalent of SS400 steel in ASTM standard?
The melting point of SS400 steel is 1430 degrees Celsius. The DN equivalent for JIS SS400 is 17100 St 44-2; the ASTM equivalents are ASTM A36 and ASTM A283 Grade D; and the EN equivalents are EN S275 and BS 43A. Material Grades states that SS400 steel has a more reliable tensile strength than SS330 steel. The thickness of SS400 steel is between 6 and 20 millimeters.

JIS G3101 SS400 is one of the most commonly used hot rolled general structural steel. SS400 steel products are supplied as plates, sheets, flats, bars, sections etc. They are cheap, excelling in weldability & machinability.