Ovako 29MnCrB5-2* SB28M13CB/9667 Steel, Quench & Tempering

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Ovako 29MnCrB5-2* SB28M13CB/9667 Steel, Quench & Tempering
Categories:	Metal; Ferrous Metal; Alloy Steel
Material Notes:	General Information: WR-Steel(Wear resistant ) WR-steel, stands for wear-resistant steel. This group of steel includes a broad range of grades with a wide range of hardness levels 350 – 650 HV, dimensions and steel grades designed to give you a wear-resistant advantage when making product exposed to a high degree of wear and where service life is important. WR-steels are characterized by consistent properties and cost effectiveness due to optimized alloy content for different end applications. Boron grade 29MnCrB5-2 is a non-standardized grade located in between 27MnCrB5-2 and 33MnCrB5-2. It is suitable for wear parts, but may be heat-treated for good toughness if needed. A tight chemical composition ensures repeatable heat-treatment response. Information provided by Ovako
Key Words:	27MnCrB5-2, 33MnCrB5-2, 15B35H, SB9667
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Physical Properties	Metric	English	Comments

Density	7.80 g/cc	0.282 lb/in³

Mechanical Properties	Metric	English	Comments
Tensile Strength	950 - 1025 MPa @Thickness 14.0 mm	138000 - 148700 psi @Thickness 0.551 in	All formats
Tensile Strength, Yield	>= 880 MPa @Thickness 14.0 mm	>= 128000 psi @Thickness 0.551 in	All formats
Elongation at Break	12 % @Thickness 14.0 mm	12 % @Thickness 0.551 in	All formats
Reduction of Area	45 % @Thickness 14.0 mm	45 % @Thickness 0.551 in	All formats
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	368 °C	694 °F	MS
	720 °C	1330 °F	AC1
	781 °C	1440 °F	AC3

Component Elements Properties	Metric	English	Comments
Boron, B	0.0020 - 0.0050 %	0.0020 - 0.0050 %
Carbon, C	0.28 - 0.33 %	0.28 - 0.33 %
Chromium, Cr	0.25 - 0.60 %	0.25 - 0.60 %
Iron, Fe	97.11 - 98.22 %	97.11 - 98.22 %	As Balance
Manganese, Mn	1.1 - 1.5 %	1.1 - 1.5 %
Phosphorus, P	<= 0.030 %	<= 0.030 %
Silicon, Si	0.15 - 0.40 %	0.15 - 0.40 %
Sulfur, S	<= 0.030 %	<= 0.030 %

Descriptive Properties
Weldability	CEV 0.62_max
	Pcm 0.41_max

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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NOVAKO220 / 234519

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