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
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,
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 bar
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
Applications:
Standard punch head, special punch head and thread rolling tool requiring high precision, long service and abrasion resistance.Various machining tools, e. G. Lathe bit, milling cutter, drill bit, screw tap, round saw and other metal machining tools and wood machining tools.Also suitable for manufacture of forming tools, e. G. Cold extrusion head, extrusion die, punch dies of long service life, and plastic molds of high precision and long service life.
PT. ILHAM BAJA NUSANTARA 