Tel : 0086-0371-86172891
Tel : 0086-0371-86172891
ASK:
ANSWER: SN490B is the material in Japanese standard JIS G 3136. JIS G 3136 is the Japanese standard specifies the hot rolled steel for building structure.
JIS G 3136 SN490B steel strip,plates,sections and flats applicable thickness is 16 or over to include 100mm.
SN490B is the hot rolled steel material to be used for welded gas cylinder. SN490B gas cylinder material steel C chemical composition is max 0.20%
The heat treatment of SN490B are : Normalized (N), Tempered (T), Thermomechanically control processed (TMC)
JIS G 3136 SN490B hot rolled structural steel mechanical property is : Yield strength min 325MPa and tensile strength min 490-610MPa, Elongation in 80mm min 17%
SN490B steel can be produced as steel sheet, steel plates, steel coil, steel strip ,section and so on
