Ductile Iron SAE J434c Grade D4018

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Ductile Iron SAE J434c Grade D4018
Categories:	Metal; Ferrous Metal; Cast Iron; Alloy Cast Iron; Ductile Iron
Material Notes:	Carbon represents the total carbon in the listed composition. Cerium is an optional constituent in ductile iron. Most ductile irons are specified based on mechanical properties and have loosely defined compositions. Ferritic. Applications include moderately stressed parts requiring good ductility and machinability, steering knuckles.
Key Words:	UNS F32800, SAE J434c, ferritic, good ductility, machinable, steering knuckles
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Physical Properties	Metric	English	Comments

Density	7.10 - 7.20 g/cc	0.257 - 0.260 lb/in³	Typical value of ductile iron

Mechanical Properties	Metric	English	Comments
Hardness, Brinell	<= 170	<= 170
Hardness, Knoop	189	189	Converted from Brinell
Hardness, Vickers	177	177	Approximated. Converted from Brinell hardness.
Tensile Strength, Ultimate	>= 414 MPa	>= 60000 psi
Tensile Strength, Yield	>= 276 MPa	>= 40000 psi
Elongation at Break	18 %	18 %	In 50 mm.

Component Elements Properties	Metric	English	Comments
Carbon, C	3.2 - 4.1 %	3.2 - 4.1 %
Cerium, Ce	0.0050 - 0.20 %	0.0050 - 0.20 %
Chromium, Cr	0.030 - 0.070 %	0.030 - 0.070 %
Copper, Cu	0.15 - 1.0 %	0.15 - 1.0 %
Iron, Fe	90.738 - 94.175 %	90.738 - 94.175 %
Magnesium, Mg	0.030 - 0.060 %	0.030 - 0.060 %
Manganese, Mn	0.10 - 1.0 %	0.10 - 1.0 %
Molybdenum, Mo	0.010 - 0.10 %	0.010 - 0.10 %
Nickel, Ni	0.050 - 0.20 %	0.050 - 0.20 %
Phosphorus, P	0.015 - 0.10 %	0.015 - 0.10 %
Silicon, Si	1.8 - 3.0 %	1.8 - 3.0 %
Sulfur, S	0.0050 - 0.035 %	0.0050 - 0.035 %

References for this datasheet.

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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MDFE08 / 12005

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