ATI Allegheny Ludlum Stainless Steel Free Machining Grade Type 416, Tempered at 760°C (UNS S41600)

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ATI Allegheny Ludlum Stainless Steel Free Machining Grade Type 416, Tempered at 760°C (UNS S41600)
Categories:	Metal; Ferrous Metal; Stainless Steel; T 400 Series Stainless Steel
Material Notes:	Allegheny Ludlum's 416 is a free-machining stainless steel specifically designed to exhibit improved machinability. These modifications retain, in so far as possible, the good mechanical properties and corrosion resistance of the basic or patent compositions which they represent. Sulfur is added to produce the free-machine characteristics. Type 416 is a martensitic 12 to 13% Cr free-machining stainless steel which can be hardened by heat treatment to higher strength and hardness levels. It has better machining properties than the austenitic grades, but lower corrosion resistance. Tensile strength and hardness below for samples oil quenched from 1800°F (982°C) then tempered at 760°C. Information provided by Allegheny Ludlum Corporation.
Key Words:	ASTM A895; SAE J405
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	7.64 g/cc	0.276 lb/in³

Mechanical Properties	Metric	English	Comments
Hardness, Brinell	180	180
Hardness, Rockwell B	96	96
Tensile Strength, Ultimate	565 MPa @Temperature 23.0 °C	81900 psi @Temperature 73.4 °F
Tensile Strength, Yield	407 MPa @Strain 0.2 %	59000 psi @Strain 0.2 %
Elongation at Break	25 %	25 %	in 2" (50 mm)
Reduction of Area	62 %	62 %
Tensile Modulus	200 GPa	29000 ksi
Fatigue Strength	280 MPa	40600 psi	test conditions not reported

Electrical Properties	Metric	English	Comments
Electrical Resistivity	0.0000570 ohm-cm	0.0000570 ohm-cm

Thermal Properties	Metric	English	Comments
CTE, linear	10.1 µm/m-°C @Temperature 20.0 - 100 °C	5.61 µin/in-°F @Temperature 68.0 - 212 °F
	11.5 µm/m-°C @Temperature 20.0 - 500 °C	6.39 µin/in-°F @Temperature 68.0 - 932 °F
	12.4 µm/m-°C @Temperature 20.0 - 787 °C	6.89 µin/in-°F @Temperature 68.0 - 1450 °F
Thermal Conductivity	24.9 W/m-K	173 BTU-in/hr-ft²-°F
Melting Point	1490 °C	2710 °F
Maximum Service Temperature, Air	677 °C	1250 °F	oxidation resistance is good in continuous service

Component Elements Properties	Metric	English	Comments
Carbon, C	<= 0.15 %	<= 0.15 %
Chromium, Cr	12 - 14 %	12 - 14 %
Iron, Fe	86 %	86 %	as balance
Manganese, Mn	<= 1.25 %	<= 1.25 %
Molybdenum, Mo	<= 0.60 %	<= 0.60 %
Phosphorus, P	<= 0.060 %	<= 0.060 %
Silicon, Si	<= 1.0 %	<= 1.0 %
Sulfur, S	>= 0.15 %	>= 0.15 %

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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NL4165 / 17913

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