Ovako 31NiCrMo13-4 453C Steel, Hot forging

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Ovako 31NiCrMo13-4 453C Steel, Hot forging
Categories:	Metal; Ferrous Metal; Alloy Steel
Material Notes:	General Information: Oil hardening steel for quench and tempering. Used for large axles, rock drilling equipment or other components that require high tensile strength in combination with high toughness. -Can be flame or induction hardened -Weldable under certain conditions -Through hardenability corresponding to a bar with approx. 130mm diameter (oil quenching) -Delivered in as-rolled, soft annealed or quench and tempered condition Information provided by Ovako
Key Words:	30NCD14, 2534
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Physical Properties	Original Value	Comments

Density	7.80 g/cc

Mechanical Properties	Original Value	Comments
Hardness, Brinell	250	Round bar
	450 - 500 @Thickness <=100 mm	Round bar
Tensile Strength	<= 1500 MPa @Thickness <=100 mm	Round bar
Tensile Strength, Yield	>= 1200 MPa @Thickness <=100 mm	R_el, Round bar
Elongation at Break	7.0 % @Thickness <=100 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	90.0 °C	AC1
	768 °C	AC3

Component Elements Properties	Original Value	Comments
Carbon, C	0.30 - 0.34 %
Chromium, Cr	1.05 - 1.2 %
Iron, Fe	93.85 - 94.67 %	As Balance
Manganese, Mn	0.50 - 0.65 %
Molybdenum, Mo	0.22 - 0.27 %
Nickel, Ni	3.05 - 3.35 %
Phosphorus, P	<= 0.020 %
Silicon, Si	0.20 - 0.30 %
Sulfur, S	0.015 - 0.025 %

Descriptive Properties
Weldability	CEV 0.98_max
	Pcm 0.53_max

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NOVAKO244 / 234543

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