The Japanese standard JIS G3429 specified carbon steels for machine structural use. This standard is applicable to carbon steel products for mechanical manufacturing produced by hot rolling, hot forging and other hot processing, which are usually processed by forging, cutting and heat treatment. JIS 4051 steel shall be classified into 2 classification: carbon steel grades and case hardening steel and the steel can be divided into 23 grades: S10C, S12C… S45C, S50C, S55C and case hardening steel grades S09CK, S15CK and S23CK used for surface carburizing.
S45C is a kind of high-quality composed carbon steel made by electric furnace, open hearth or pure oxygen converter. The carbon content of the steel is more than 0.4%, the microstructure is uniform, the wear resistance is good, but the ductility is reduced, the quenching is easy to deformation and cracking, so the heat treatment is very important, after tempering must be urgently cooled to avoid the occurrence of tempering brittleness. Spheroidization can improve its cutting performance.
Standards: JIS G4051
Forms: round bar
Length: 5.8- 16000 mm
Tensile Strength (MPa)
Yield Strength 0.2% (MPa)
Elongation -% in 50 mm (min.)
World Iron&Steel is a professional supplier of alloy steel rods and bars. We manufacture and distribute high quality steel S45C round bar for gear application in accordance with JIS G4051 standards, specified delivery conditions and final customer specifications for industrial and commercial applications. Special sizes of steel bars and delivery issues can be further negotiated and we provide a wide range of solutions for purchasing departments to select alternative grades, contact us today!