JIS G 3101 SS400 is one of the most commonly used hot rolled general structural steel. Supplied as plates, sheets, flats, bars, sections etc. They are cheap, excelling in weldability and machinability.
SS400 Mechanical Properties
Density (kg/m3) 7860 Young’s Modulus (GPa) 190-210 Tensile Strength (MPa) 400 – 510 MPa Yield Strength (MPa) 205-245 MPa Poisson’s ratio 0.26
Brinell Hardness (HB) 160
- DIN Equivalents for JIS SS400 (Germany):
17100 St 44-2
- ASTM Equivalents for JIS SS400 (USA):
ASTM A36, ASTM A283 Grade D
- EN Equivalents for JIS SS400 (EU):
EN S275/ BS 43A
SS400 Chemical Composition
As per JIS G 3101, Carbon (C), Silicon (Si) and Manganese (Mn) content are not controlled. Phosphorus (P) 0.05% Max and Sulphur (S) 0.05% Max have to controlled below these levels.
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