Ovako 34CrNiMo6 6499 Steel, +QT

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Ovako 34CrNiMo6 6499 Steel, +QT
Categories:	Metal; Ferrous Metal; Alloy Steel; AISI 4000 Series Steel
Material Notes:	General Information: 34CrNiMo6 is a quenching and tempering steel with high strength, high toughness and good hardenability. Used for large axles, machine components, tools and high strength fasteners. The steel can be induction hardened and it is weldable under certain conditions. Through hardenability to appr. 100 mm diameter bar with oil quenching. 356D - Standard steel variant 356Q - IQ (isotropic quality) variant. 6499 - low sulphur variant of 34CrNiMo6 6507 - M-steel variant of 34CrNiMo6 IQ-SteelIQ-Steel® is an isotropic quality ultra clean steel optimized for high fatigue strength under multi axial loading. Information provided by Ovako
Key Words:	34CrNiMo6M, 356, 356D, SS2541, MoCN315, MoCN315M, 1.6582, 35NCD6, 816M40, 817M40, 35NiCrMo6, SNCM447, 30Ch2N2MA, F.1272, 40NiCrMo7, 4337, 4340, 92541, VSQT34CrNiMo6, VSQT34CrNiMo6/700, VSQT34CrNiMo6/800, VSQT34CrNiMo6/900, Stål 2541, Steel 2541, EN24
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Physical Properties	Original Value	Comments

Density	7.80 g/cc

Mechanical Properties	Original Value	Comments
Hardness, Brinell	270 - 320 @Thickness 100 - 160 mm	Round bar
	300 - 350 @Thickness 40.0 - 100 mm	Round bar
	320 - 380 @Thickness 24.0 - 40.0 mm	Round bar
Tensile Strength	900 - 1100 MPa @Thickness 100 - 160 mm	Round bar
	1000 - 1200 MPa @Thickness 40.0 - 100 mm	Round bar
	1100 - 1300 MPa @Thickness 24.0 - 40.0 mm	Round bar
Tensile Strength, Yield	>= 700 MPa @Thickness 100 - 160 mm	R_eh, Round bar
	>= 800 MPa @Thickness 40.0 - 100 mm	R_eh, Round bar
	>= 900 MPa @Thickness 24.0 - 40.0 mm	R_eh, Round bar
Elongation at Break	10 % @Thickness 24.0 - 40.0 mm	Round bar
	11 % @Thickness 40.0 - 100 mm	Round bar
	12 % @Thickness 100 - 160 mm	Round bar
Reduction of Area	45 % @Thickness 24.0 - 40.0 mm	Round bar
	50 % @Thickness 40.0 - 100 mm	Round bar
	55 % @Thickness 100 - 160 mm	Round bar
Modulus of Elasticity	210 GPa
Poissons Ratio	0.30
Shear Modulus	80.0 GPa
Impact Test	45.0 J @Thickness 25.0 - 40.0 mm, Temperature 20.0 °C	Round bar, long
	45.0 J @Thickness 40.0 - 100 mm, Temperature 20.0 °C	Round bar, long
	45.0 J @Thickness 100 - 160 mm, Temperature 20.0 °C	Round bar, long

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	315 °C	MS
	725 °C	AC1
	785 °C	AC3

Component Elements Properties	Original Value	Comments
Carbon, C	0.30 - 0.38 %
Chromium, Cr	1.4 - 1.7 %
Iron, Fe	94.69 - 96.1 %	As Balance
Manganese, Mn	0.50 - 0.80 %
Molybdenum, Mo	0.15 - 0.30 %
Nickel, Ni	1.4 - 1.7 %
Phosphorus, P	<= 0.015 %
Silicon, Si	0.15 - 0.40 %
Sulfur, S	<= 0.015 %

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