Made from Cold Drawn bars AISI 1006-1008 and equivalent to JIS G 3123 (AS ST41), Hot Rolled Bars JIS S45C-AISI 1045 (ST60), Hot Rolled JIS SCM 440-AISI 4140 (ST70), Hot Rolled Bars JIS SNCM 447-AISI 4340 (ST90). Application : Machine steel (Motor Cycle Sparepart, Shaft, Bolt & Nuts, Axle, Rail, Connecting rods, construction working. Diameter: ST41: 6mm - 3" ST60: 13mm - 360mm ST70: 16mm - 210mm ST90: 13mm - 200mm Length: 6 meter