AK Steel 400 Ferritic Stainless steel

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AK Steel 400 Ferritic Stainless steel
Categories:	Metal; Ferrous Metal; Ferritic; Stainless Steel; T 400 Series Stainless Steel
Material Notes:	AK Steel 400 is one of the most economical chromium ferritic stainless steels. It has corrosion and oxidation resistance comparable to Type 410 stainless steel with good fabricating characteristics. AK Steel 400 contains no titanium, so its surface is free of titanium streaks. This provides improved appearance, and alleviates die wear that may be caused by titanium stabilized chromium steels. AK Steel 400 is non-hardenable by heat treatment because of its low carbon content which also minimizes hardening during welding. Typical applications include heat exchangers, display racks, gas range burner rings, office furniture and other uses where corrosion resistance at minimum cost is important. Information provided by AK Steel
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Physical Properties	Metric	English	Comments

Density	7.47 g/cc	0.270 lb/in³

Mechanical Properties	Metric	English	Comments
Hardness, Rockwell B	72	72
Tensile Strength, Ultimate	469 MPa	68000 psi
Tensile Strength, Yield	234 MPa @Strain 0.2 %	33900 psi @Strain 0.2 %
Elongation at Break	30 %	30 %	in 2 inches
Modulus of Elasticity	200 GPa	29000 ksi

Electrical Properties	Metric	English	Comments
Electrical Resistivity	0.0000600 ohm-cm	0.0000600 ohm-cm

Thermal Properties	Metric	English	Comments
CTE, linear	10.8 µm/m-°C @Temperature 24.0 - 260 °C	6.00 µin/in-°F @Temperature 75.2 - 500 °F
	12.8 µm/m-°C @Temperature <=871 °C	7.11 µin/in-°F @Temperature <=1600 °F
Specific Heat Capacity	0.460 J/g-°C @Temperature 0.000 - 100 °C	0.110 BTU/lb-°F @Temperature 32.0 - 212 °F
Thermal Conductivity	24.9 W/m-K @Temperature 100 °C	173 BTU-in/hr-ft²-°F @Temperature 212 °F
	28.6 W/m-K @Temperature 500 °C	198 BTU-in/hr-ft²-°F @Temperature 932 °F

Component Elements Properties	Metric	English	Comments
Aluminum, Al	<= 0.25 %	<= 0.25 %
Carbon, C	<= 0.050 %	<= 0.050 %
Chromium, Cr	12 - 13 %	12 - 13 %
Iron, Fe	>= 84.64 %	>= 84.64 %	As Remainder
Manganese, Mn	<= 1.0 %	<= 1.0 %
Phosphorus, P	<= 0.030 %	<= 0.030 %
Silicon, Si	<= 1.0 %	<= 1.0 %
Sulfur, S	<= 0.030 %	<= 0.030 %

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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