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
S45C 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
S45C Hardness
Brinell Hardness (HB) 160-220 (Annealed)JIS S45C Equivalents
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DIN Equivalents for JIS S45C
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ASTM Equivalents for JIS S45C
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SAE Equivalents for JIS S45C
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AISI Equivalents for JIS S45C
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EN Equivalents for JIS S45C
S45C 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
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 CelsiusSource: meadinfo.org
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