Ovako 41Cr4 5515 Steel, Soft annealing

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Ovako 41Cr4 5515 Steel, Soft annealing
Categories:	Metal; Ferrous Metal; Alloy Steel
Material Notes:	General Information: 41Cr4 is a steel for quenching and tempering recommended for components with strength requirements lower than the steel 42CrMo4. It is suitable for induction surface hardening, min hardness 52 HRC. It through hardens in oil up to appr. 40 mm diameter. Information provided by Ovako
Key Words:	41CrS4, SS2245, 530M40, 530H40, EN18, SCR440, 42C4, 1.7035, 1.7039
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Physical Properties	Original Value	Comments

Density	7.80 g/cc

Mechanical Properties	Original Value	Comments
Hardness, Brinell	241 @Thickness 20.0 - 160 mm	Round bar
Modulus of Elasticity	210 GPa
Poissons Ratio	0.30
Shear Modulus	80.0 GPa

Electrical Properties	Original Value	Comments
Electrical Resistivity	0.00000200 - 0.00000250 ohm-cm

Thermal Properties	Original Value	Comments
CTE, linear	12.0 µm/m-°C @Temperature 20.0 - 300 °C
Specific Heat Capacity	0.460 - 0.480 J/g-°C @Temperature 50.0 - 100 °C
Thermal Conductivity	40.0 - 45.0 W/m-K	Ambient temperature
Transformation Temperature	320 °C	MS
	735 °C	AC1
	790 °C	AC3

Component Elements Properties	Original Value	Comments
Carbon, C	0.38 - 0.45 %
Chromium, Cr	0.90 - 1.2 %
Iron, Fe	96.99 - 98.1 %	As Balance
Manganese, Mn	0.60 - 0.90 %
Phosphorus, P	<= 0.025 %
Silicon, Si	<= 0.40 %
Sulfur, S	0.020 - 0.035 %

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NOVAKO287 / 234586

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