ATI Allegheny Ludlum AL 13-8™ H 1050 Precipitation Hardening Alloy, Heat Treated at 1150°F

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ATI Allegheny Ludlum AL 13-8™ H 1050 Precipitation Hardening Alloy, Heat Treated at 1150°F
Categories:	Metal; Ferrous Metal; Martensitic; Stainless Steel; Precipitation Hardening Stainless; T S10000 Series Stainless Steel
Material Notes:	Characteristics: excellent strength, high hardness, superior toughness, good corrosion resistance, good transverse toughness properties, strength and ductility can be tailored by varying the aging temperature. Applications:large air frame structures, injection molding equipment. Information provided by Allegheny Ludlum Heat treated at 1150°F for 4 hrs
Key Words:	UNS S13800, ASTM XM-13
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Physical Properties	Original Value	Comments

Density	7.76 g/cc

Mechanical Properties	Original Value	Comments
Hardness, Rockwell C	33
Tensile Strength, Ultimate	931 MPa
Tensile Strength, Yield	621 MPa @Strain 0.2 %
Elongation at Break	14 %	in 2"
Reduction of Area	50 %	Short-Transverse
	50 %	Longitudinal
	50 %	Transverse
Creep Strength	827 MPa @Temperature 260 °C, Time 36000 sec
Rupture Strength	930 MPa @Temperature 260 °C, Time 36000 sec

Thermal Properties	Original Value	Comments
CTE, linear	10.6 µm/m-°C @Temperature 20.0 - 100 °C
Melting Point	1405 - 1470 °C
Solidus	1405 °C
Liquidus	1470 °C

Component Elements Properties	Original Value	Comments
Aluminum, Al	0.90 - 1.35 %
Carbon, C	<= 0.050 %
Chromium, Cr	12.25 - 13.25 %
Iron, Fe	>= 74.032 %	As Remainder
Manganese, Mn	<= 0.20 %
Molybdenum, Mo	2.0 - 2.5 %
Nickel, Ni	7.5 - 8.5 %
Phosphorus, P	<= 0.010 %
Silicon, Si	<= 0.10 %
Sulfur, S	<= 0.0080 %

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