Ovako C45 5081, Imatra 4 M Steel, +AR

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Ovako C45 5081, Imatra 4 M Steel, +AR
Categories:	Metal; Ferrous Metal; Alloy Steel; Carbon Steel; AISI 1000 Series Steel
Material Notes:	General Information: Grade SB-C45 is one of our carbon steel grades with a narrowed chemical composition in order to reach a high hardenability and it is also fine grain treated with Al. Grade 047A is an ingot casted low alloyed steel. High hardness and high strength can be achieved after hardening thanks to the relatively high carbon content. The steel is suitable for various type of applications where high strength is needed. Information provided by Ovako
Key Words:	C43, C44, C45R - 1.1201, C45E - 1.1191, Ck45, St70-2, SAE 1045, 080A42, SS 1672, XC 48, C 45, S 45 C, GOST 45, AISI/SAE/ASTM 1045
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Physical Properties	Original Value	Comments

Density	7.80 g/cc

Mechanical Properties	Original Value	Comments
Hardness, Brinell	<= 230 @Thickness 25.0 - 180 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	305 °C	MS
	725 °C	AC1
	760 °C	AC3

Component Elements Properties	Original Value	Comments
Carbon, C	0.42 - 0.50 %
Chromium, Cr	<= 0.40 %
Iron, Fe	97.24 - 98.96 %	As Balance
Manganese, Mn	0.50 - 0.90 %
Molybdenum, Mo	<= 0.10 %
Nickel, Ni	<= 0.40 %
Phosphorus, P	<= 0.030 %
Silicon, Si	0.10 - 0.40 %
Sulfur, S	0.020 - 0.035 %

Descriptive Properties
Dl	1.1-1.8%
Weldability	CEV 0.72_max
	Pcm 0.55_max

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Overview of materials for Low Carbon Steel

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