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	Metric	English	Comments

Density	7.80 g/cc	0.282 lb/in³

Mechanical Properties	Metric	English	Comments
Hardness, Brinell	270 - 320 @Thickness 100 - 160 mm	270 - 320 @Thickness 3.94 - 6.30 in	Round bar
	300 - 350 @Thickness 40.0 - 100 mm	300 - 350 @Thickness 1.57 - 3.94 in	Round bar
	320 - 380 @Thickness 24.0 - 40.0 mm	320 - 380 @Thickness 0.945 - 1.57 in	Round bar
Tensile Strength	900 - 1100 MPa @Thickness 100 - 160 mm	131000 - 160000 psi @Thickness 3.94 - 6.30 in	Round bar
	1000 - 1200 MPa @Thickness 40.0 - 100 mm	145000 - 174000 psi @Thickness 1.57 - 3.94 in	Round bar
	1100 - 1300 MPa @Thickness 24.0 - 40.0 mm	160000 - 189000 psi @Thickness 0.945 - 1.57 in	Round bar
Tensile Strength, Yield	>= 700 MPa @Thickness 100 - 160 mm	>= 102000 psi @Thickness 3.94 - 6.30 in	R_eh, Round bar
	>= 800 MPa @Thickness 40.0 - 100 mm	>= 116000 psi @Thickness 1.57 - 3.94 in	R_eh, Round bar
	>= 900 MPa @Thickness 24.0 - 40.0 mm	>= 131000 psi @Thickness 0.945 - 1.57 in	R_eh, Round bar
Elongation at Break	10 % @Thickness 24.0 - 40.0 mm	10 % @Thickness 0.945 - 1.57 in	Round bar
	11 % @Thickness 40.0 - 100 mm	11 % @Thickness 1.57 - 3.94 in	Round bar
	12 % @Thickness 100 - 160 mm	12 % @Thickness 3.94 - 6.30 in	Round bar
Reduction of Area	45 % @Thickness 24.0 - 40.0 mm	45 % @Thickness 0.945 - 1.57 in	Round bar
	50 % @Thickness 40.0 - 100 mm	50 % @Thickness 1.57 - 3.94 in	Round bar
	55 % @Thickness 100 - 160 mm	55 % @Thickness 3.94 - 6.30 in	Round bar
Modulus of Elasticity	210 GPa	30500 ksi
Poissons Ratio	0.30	0.30
Shear Modulus	80.0 GPa	11600 ksi
Impact Test	45.0 J @Thickness 25.0 - 40.0 mm, Temperature 20.0 °C	33.2 ft-lb @Thickness 0.984 - 1.57 in, Temperature 68.0 °F	Round bar, long
	45.0 J @Thickness 40.0 - 100 mm, Temperature 20.0 °C	33.2 ft-lb @Thickness 1.57 - 3.94 in, Temperature 68.0 °F	Round bar, long
	45.0 J @Thickness 100 - 160 mm, Temperature 20.0 °C	33.2 ft-lb @Thickness 3.94 - 6.30 in, Temperature 68.0 °F	Round bar, long

Electrical Properties	Metric	English	Comments
Electrical Resistivity	0.00000200 - 0.00000250 ohm-cm	0.00000200 - 0.00000250 ohm-cm

Thermal Properties	Metric	English	Comments
CTE, linear	12.0 µm/m-°C @Temperature 20.0 - 300 °C	6.67 µin/in-°F @Temperature 68.0 - 572 °F
Specific Heat Capacity	0.460 - 0.480 J/g-°C @Temperature 50.0 - 100 °C	0.110 - 0.115 BTU/lb-°F @Temperature 122 - 212 °F
Thermal Conductivity	40.0 - 45.0 W/m-K	278 - 312 BTU-in/hr-ft²-°F	Ambient temperature
Transformation Temperature	315 °C	599 °F	MS
	725 °C	1340 °F	AC1
	785 °C	1450 °F	AC3

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

Some of the values displayed above may have been converted from their original units and/or rounded in order to display the information in a consistent format. Users requiring more precise data for scientific or engineering calculations can click on the property value to see the original value as well as raw conversions to equivalent units. We advise that you only use the original value or one of its raw conversions in your calculations to minimize rounding error. We also ask that you refer to MatWeb's terms of use regarding this information. Click here to view all the property values for this datasheet as they were originally entered into MatWeb.

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