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1.8523

Alias

39CrMoV139
40CrMoV13
BS ISO 683-5
1.8523
EN 10085

Chemistry

Element Min Max
C (Carbon) 0.36% 0.43%
Cr (Chromium) 3% 3.5%
Mn (Manganese) 0.4% 0.7%
Mo (Molybdenum) 0.8% 1.1%
P (Phosphorous) 0.025%
S (Sulphur) 0.035%
Si (Silicon) 0.4%
V (Vanadium) 0.15% 0.25%
Mechanical Properties Min Max
Ultimate Tensile Strength (UTS) 950 MPa 1150 MPa
0.2% Proof Stress 750 MPa
Elongation 11%
Charpy V-Notch Impact =Room Temp. 25 Joules

Applications

Used commonly within the Aerospace, defence, Marine and subsea industries, for applications such as structural steels, pressure vessels, machine tools, turbine fasteners, support rods etc.

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