ATI Allegheny Ludlum 410 Martensitic Stainless Steel

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ATI Allegheny Ludlum 410 Martensitic Stainless Steel
Categories:	Metal; Ferrous Metal; Martensitic; Stainless Steel; T 400 Series Stainless Steel
Material Notes:	Characteristics: superior wear resistance, hardenable, excellent corrosion resistance. Applications:cutlery, dental and surgical instruments, nozzles, valve parts, hardened steel ball and seats for oil well pumps, separating screens and strainers, springs, shears, and wear surfaces. Information provided by Allegheny Ludlum
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	Original Value	Comments

Specific Gravity	7.65 g/cc
Density	7.64 g/cc

Mechanical Properties	Original Value	Comments
Hardness, Rockwell B	82
	98	Hardened+Tempered 1200°F
Hardness, Rockwell C	35	Hardened+Tempered 1000°F
	40	Hardened+Tempered 550°F
	40	Hardened+Tempered 600°F
	41	Hardened+Tempered 800°F
	41	Hardened+Tempered 900°F
	43	Hardened+Tempered 400°F
Tensile Strength, Ultimate	510 MPa	Annealed
	767 MPa	Hardened 1800°F, Tempered 1200°F
	1063 MPa	Hardened 1800°F, Tempered 1000°F
	1283 MPa	Hardened 1800°F, Tempered 600°F
	1289 MPa	Hardened 1800°F, Tempered 550°F
	1298 MPa	Hardened 1800°F, Tempered 900°F
	1300 MPa	Hardened 1800°F, Tempered 800°F
	1399 MPa	Hardened 1800°F, Tempered 400°F
Tensile Strength, Yield	589 MPa	Hardened 1800°F, Tempered 1200°F
	845 MPa	Hardened 1800°F, Tempered 900°F
	882 MPa	Hardened 1800°F, Tempered 1000°F
	916 MPa	Hardened 1800°F, Tempered 800°F
	1022 MPa	Hardened 1800°F, Tempered 550°F
	1026 MPa	Hardened 1800°F, Tempered 600°F
	1076 MPa	Hardened 1800°F, Tempered 400°F
	290 MPa @Strain 0.2 %	Annealed
Elongation at Break	34 %	Annealed

Electrical Properties	Original Value	Comments
Electrical Resistivity	0.0000560 ohm-cm

Thermal Properties	Original Value	Comments
CTE, linear	10.5 µm/m-°C @Temperature 20.0 - 200 °C
	11.6 µm/m-°C @Temperature 20.0 - 600 °C
Specific Heat Capacity	0.460 J/g-°C
Thermal Conductivity	24.9 W/m-K @Temperature 100 °C
Melting Point	1482 - 1532 °C
Solidus	1482 °C
Liquidus	1532 °C

Component Elements Properties	Original Value	Comments
Carbon, C	<= 0.15 %
Chromium, Cr	11.5 - 13.5 %
Iron, Fe	83.8 - 88.5 %	as balance
Manganese, Mn	<= 1.0 %
Nickel, Ni	<= 0.50 %
Phosphorus, P	<= 0.040 %
Silicon, Si	<= 1.0 %
Sulfur, S	<= 0.030 %

Descriptive Properties
Corrosion Rate mils per year	0.062 (5% Phosphoric Acid at 49°C)	Hardened martensitic grades were tested after tempering at 204°C
	0.079 (5% Acetic Acid at 49°C)	Hardened martensitic grades were tested after tempering at 204°C.
Pitting Potential, Volts vs. Sat. Calomel Electrode	0.502	100 ppm Chloride solution at 24°C, pH5, ground surface. Hardened martensitic grades were tested after tempering at 204°C.

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NL1034 / 17802

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