Ovako 34CrNiMo6 356Q Steel, +SA

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Ovako 34CrNiMo6 356Q Steel, +SA
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	200 @Thickness <=190 mm	200 @Thickness <=7.48 in	Round bar
Modulus of Elasticity	210 GPa	30500 ksi
Poissons Ratio	0.30	0.30
Shear Modulus	80.0 GPa	11600 ksi

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	0.32 - 0.38 %	0.32 - 0.38 %
Chromium, Cr	1.3 - 1.6 %	1.3 - 1.6 %
Iron, Fe	94.84 - 96.08 %	94.84 - 96.08 %	As Balance
Manganese, Mn	0.65 - 0.80 %	0.65 - 0.80 %
Molybdenum, Mo	0.20 - 0.30 %	0.20 - 0.30 %
Nickel, Ni	1.3 - 1.6 %	1.3 - 1.6 %
Phosphorus, P	<= 0.025 %	<= 0.025 %
Silicon, Si	0.15 - 0.35 %	0.15 - 0.35 %
Sulfur, S	<= 0.0020 %	<= 0.0020 %
Vanadium, V	<= 0.10 %	<= 0.10 %

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