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Ovako 51CrV4 EN10089:2002 Steel, Soft annealing
Categories: Metal; Ferrous Metal; Alloy Steel

Material Notes: General Information: 51CrV4 is a high strength quench and tempering steel suitable for quenched and tempered springs. What Ovako offer includes a number of variants with tight chemical composition, suitable for different applications and material thicknesses. They all meet the overall requirements set by EN10089.
Variant SB9292 is a strong variant with hardenability in the upper part of the +HH band and low content of non-metallic inclusions.
Variant SB9290 has somewhat lower hardenability, but is still strong.
Variant SB9282 has medium hardenability and is a good start for applications with normal requirements.
Variant SB9212 which has a good surface hardness, but it will not through harden for thicker dimensions. It is instead a god pick for thin sections.
Variants Ovako 593B and 593Q are also mainly used for springs, but frequently used for shafts and machine components.
Ovako 593Q is an IQ (isotropic quality) variant.

IQ-Steel®IQ-Steel® is an isotropic quality ultra clean steel optimized for high fatigue strength under multi axial loading.

Information provided by Ovako

Key Words: WNr 1.8159, 735A51, SS2230, SB9292 - 52CrMn5-4, SB9290 - 52CrMn5-4, SB9282 - 52CrMn4-4, SB9212- 50CrMn4-4
Vendors: No vendors are listed for this material. Please click here if you are a supplier and would like information on how to add your listing to this material.
 
Physical PropertiesOriginal ValueComments
Density 7.80 g/cc
 
Mechanical PropertiesOriginal ValueComments
Hardness, Brinell <= 248All formats
Modulus of Elasticity 210 GPa
Poissons Ratio 0.30
Shear Modulus 80.0 GPa
 
Electrical PropertiesOriginal ValueComments
Electrical Resistivity 0.00000200 - 0.00000250 ohm-cm
 
Thermal PropertiesOriginal ValueComments
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-KAmbient temperature
Transformation Temperature 273 °CMS
 738 °CAC1
 778 °CAC3
 
Component Elements PropertiesOriginal ValueComments
Carbon, C 0.47 - 0.55 %
Chromium, Cr 0.90 - 1.2 %
Iron, Fe 96.7 - 97.93 %As Balance
Manganese, Mn 0.70 - 1.1 %
Phosphorus, P <= 0.025 %
Silicon, Si <= 0.40 %
Sulfur, S <= 0.025 %

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