Ovako S400* SB400D Steel, +AR

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Ovako S400* SB400D Steel, +AR
Categories:	Metal; Ferrous Metal; Alloy Steel
Material Notes:	General Information: Grade SB400D is a micro-alloyed steel for general purposes with specified mechanical properties and impact requirements. The material is delivered as rolled and suitable for welding. The mechanical properties may change if the material is heat-treated. Grade SB420 is a micro-alloyed steel for general purposes with specified mechanical properties and impact requirements. The material is delivered as rolled. The mechanical properties may change if the material is heat-treated. Information provided by Ovako
Key Words:	2142
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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	160 - 180 @Thickness 10.0 - 15.0 mm	160 - 180 @Thickness 0.394 - 0.591 in	Flat bar
	160 - 200 @Thickness 15.0 - 30.0 mm	160 - 200 @Thickness 0.591 - 1.18 in	Flat bar
	160 - 200 @Thickness >=30.0 mm	160 - 200 @Thickness >=1.18 in	Flat bar
Tensile Strength	530 - 600 MPa @Thickness 10.0 - 15.0 mm	76900 - 87000 psi @Thickness 0.394 - 0.591 in	Flat bar
	530 - 600 MPa @Thickness 15.0 - 30.0 mm	76900 - 87000 psi @Thickness 0.591 - 1.18 in	Flat bar
	530 - 600 MPa @Thickness >=30.0 mm	76900 - 87000 psi @Thickness >=1.18 in	Flat bar
Tensile Strength, Yield	>= 400 MPa @Thickness 15.0 - 30.0 mm	>= 58000 psi @Thickness 0.591 - 1.18 in	R_el, Flat bar
	>= 400 MPa @Thickness >=30.0 mm	>= 58000 psi @Thickness >=1.18 in	R_el, Flat bar
	>= 420 MPa @Thickness 10.0 - 15.0 mm	>= 60900 psi @Thickness 0.394 - 0.591 in	R_el, Flat bar
Elongation at Break	20 % @Thickness 10.0 - 15.0 mm	20 % @Thickness 0.394 - 0.591 in	Flat bar
	20 % @Thickness 15.0 - 30.0 mm	20 % @Thickness 0.591 - 1.18 in	Flat bar
	20 % @Thickness >=30.0 mm	20 % @Thickness >=1.18 in	Flat bar
Modulus of Elasticity	210 GPa	30500 ksi
Poissons Ratio	0.30	0.30
Shear Modulus	80.0 GPa	11600 ksi
Impact Test	27.0 J @Thickness 10.0 - 15.0 mm, Temperature -20.0 °C	19.9 ft-lb @Thickness 0.394 - 0.591 in, Temperature -4.00 °F	Flat bar
	27.0 J @Thickness 15.0 - 30.0 mm, Temperature -20.0 °C	19.9 ft-lb @Thickness 0.591 - 1.18 in, Temperature -4.00 °F	Flat bar
	27.0 J @Thickness >=30.0 mm, Temperature -20.0 °C	19.9 ft-lb @Thickness >=1.18 in, Temperature -4.00 °F	Flat bar

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	400 °C	752 °F	MS
	720 °C	1330 °F	AC1
	820 °C	1510 °F	AC3

Component Elements Properties	Metric	English	Comments
Carbon, C	<= 0.20 %	<= 0.20 %
Iron, Fe	>= 97.61 %	>= 97.61 %	As Balance
Manganese, Mn	<= 1.6 %	<= 1.6 %
Nitrogen, N	<= 0.020 %	<= 0.020 %
Phosphorus, P	<= 0.035 %	<= 0.035 %
Silicon, Si	<= 0.50 %	<= 0.50 %
Sulfur, S	<= 0.035 %	<= 0.035 %

Descriptive Properties
Weldability	CEV 0.48_max
	Pcm 0.31_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.

NOVAKO423 / 234722

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