ATI Allegheny Ludlum Stainless Steel Chromium-Nickel Type 304, 50% Cold Rolled (UNS S30400)

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ATI Allegheny Ludlum Stainless Steel Chromium-Nickel Type 304, 50% Cold Rolled (UNS S30400)
Categories:	Metal; Ferrous Metal; Stainless Steel; T 300 Series Stainless Steel
Material Notes:	This alloy is one of the most familiar and most frequently used alloy in the stainless steel family. It may be best used in applications where the following properties are important: resistance to corrosion, prevention of product contamination, resistance to oxidation, ease of fabrication, excellent formability, beauty of appearance, ease of cleaning, high strength with low weight, good strength and toughness at cryogenic temperatures, and readily availability of a wide range of product forms. Food and beverage, sanitary, cryogenic, and pressure-containing applications are examples. Past users of Type 302 are generally now using Type 304 since AOD technology has made low carbon levels more easily attainable and economical. Information provided by Allegheny Ludlum Corporation.
Key Words:	aisi304, AISI 304, Plate, sheet, and strip specs: T304, T 304, 304SS, 304 SS, ASTM A240; ASME SA-240, SUS304, SS304
Vendors:	Visit metalmen for your metals needs. Products include special chemistry, tight tolerances, custom tempers, odd dimensions/forms, and small quantities. Phone 1-800-767-9494. Click here to view all available suppliers for this material. Please click here if you are a supplier and would like information on how to add your listing to this material.
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Physical Properties	Metric	English	Comments

Density	7.90 g/cc	0.285 lb/in³

Mechanical Properties	Metric	English	Comments
Hardness, Rockwell B	92	92
Tensile Strength, Ultimate	1103 MPa	160000 psi
Tensile Strength, Yield	986 MPa	143000 psi
Elongation at Break	5.0 %	5.0 %
Tensile Modulus	200 GPa	29000 ksi
Charpy Impact	200 J	148 ft-lb

Electrical Properties	Metric	English	Comments
Electrical Resistivity	0.0000720 ohm-cm	0.0000720 ohm-cm
Magnetic Permeability	2.291	2.291	at 50% cold work

Thermal Properties	Metric	English	Comments
CTE, linear	16.6 µm/m-°C @Temperature 20.0 - 100 °C	9.22 µin/in-°F @Temperature 68.0 - 212 °F
	19.8 µm/m-°C @Temperature 20.0 - 870 °C	11.0 µin/in-°F @Temperature 68.0 - 1600 °F
Specific Heat Capacity	0.500 J/g-°C	0.120 BTU/lb-°F
Thermal Conductivity	16.3 W/m-K @Temperature 100 °C	113 BTU-in/hr-ft²-°F @Temperature 212 °F
	21.4 W/m-K @Temperature 500 °C	149 BTU-in/hr-ft²-°F @Temperature 932 °F
Melting Point	1399 - 1421 °C	2550 - 2590 °F
Solidus	1399 °C	2550 °F
Liquidus	1421 °C	2590 °F

Component Elements Properties	Metric	English	Comments
Carbon, C	<= 0.080 %	<= 0.080 %
Chromium, Cr	18 - 20 %	18 - 20 %
Iron, Fe	71 %	71 %	as balance
Manganese, Mn	<= 2.0 %	<= 2.0 %
Nickel, Ni	8.0 - 10.5 %	8.0 - 10.5 %
Nitrogen, N	<= 0.10 %	<= 0.10 %
Phosphorus, P	<= 0.045 %	<= 0.045 %
Silicon, Si	<= 0.75 %	<= 0.75 %
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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NL3045 / 17854

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