Carbon steel S45C Standard and GradeDescription
S45C is a medium strength steel. Suitable for shafts studs, keys etc. Available as rolled or normalised. Supplied as square bar, or round bar or flat. They are excelling in weldability & machinability , and they can be subjected to various heat treatments. Based on JIS G 4051-2009
Equivalents
ST60 DIN 17100, CK45 DIN 17200, S45C JIS GG051, CF45, CQ45,ASTM A29 , ASTM A510 , ASTM A519 , ASTM A576 , ASTM A682, SAE J403 , SAE J412 , SAE J414,AISI 1045, AISI 1046, EN-8 / BS 970 080M40,Availability
Round Bar: Dia. 3.2 – 250mm standar L=6M
Plat (S50C): Thk. 6 – 8mm Size 4Ft x 8 Ft
Flat: 10~90*205~305mm or Square barSquare Bar: 8 x 8mm – 25 x 25mm
Chemical Composition (%)
Carbon (C) 0.42% – 0.48%
Silicon (Si) 0.15% – 0.35%
Manganese (Mn) 0.6% – 0.9%
Phosphorus (P) 0.030% Max
Sulphur (S) 0.035% Max
Mechanical Properties
Density (kg/m3): 7700-8030
Young’s Modulus (GPa): 190-210
Tensile Strength (Mpa): 569 (Standard) 686 (Quenching, Tempering)
Yield Strength (Mpa): 343 (Standard) 490 (Quenching, Tempering)
Poisson’s ratio: 0.27-0.30
Hardness
Brinell Hardness (HB) 160-220 (Annealed)
Heat Treatment
The following temperature ranges are applicable for the respective heat treatment operations.
Full Annealing: 800 – 850°C
Normalising: 840 – 880°C
Hardening: 820 – 860°C
Quenching medium: Water or Oil
Tempering: 550 – 660°C
Melting Point
Melting point of S45C is ~1520 Degree Celsius
PT. DUTA KARYA STEEL 