S45C steel is a medium strength steel. Suitable for shafts studs, keys etc. Available as rolled or normalized. Supplied as square bar, or round bar or flat. They are excelling in weldability & machinability , and they can be subjected to various heat treatments.
JIS S45C steel Equivalents:
DIN Equivalents for S45C steel
C45, CK45, CF45, CQ45
ASTM Equivalents for JIS S45C
ASTM A29 , ASTM A510 , ASTM A519 , ASTM A576 , ASTM A682
SAE Equivalents for JIS S45C
SAE J403 , SAE J412 , SAE J414
AISI Equivalents for JIS S45C
AISI 1045, AISI 1046
EN Equivalents for JIS S45C
EN-8 / BS 970 080M40
JIS 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
S45C steel 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
JIS S45C Hardness:
Brinell Hardness (HB) 160-220 (Annealed)
JIS S45C 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
JIS S45C Melting Point:
Melting point of S45C is ~1520 Degree Celsius
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