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Medium Carbon Steel
Base Element Fe(Iron)

Element Min Max
C (Carbon) 0.32% 0.39%
Cr (Chromium) 0.40%
Mn (Manganese) 0.5% 0.8%
Mo (Molybdenum) 0.10%
P (Phosphorus) 0.035%
S (Sulphur) 0.015%
Si (Silicon) 0.40%
Mechanical Property Min Max
Ultimate Tensile Strength (UTS) 500 MPa 650 MPa
0.2% Proof Stress 300 MPa
Elongation 20%
Gauge Length A54D
Charpu V-Notch Impact (RT) 27 Joules

Heat Treatment; Hardening quenching or solution annealing 870 – 900 degrees Centigrade, cool in oil.
Tempering or age hardening or precipitation hardening 650 – 710 minimum 2hr.
Stress relief annealing 550-620 degrees Centigrade.


Typically used within the mechanical engineering and automotive industries for its high weld-ability.

Information is given for illustrative purposes only. Tachart accepts no responsibility for the accuracy of the data contained within or the use of the data by any other party.
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