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ATI Allegheny Ludlum AL 800AT™ Nickel-Base Alloy, UNS N08811

Category Metal , Nonferrous Metal , Nickel Alloy , Superalloy
Manufacturer ATI Allegheny Ludlum
Trade Name
Port Shanghai port,China
Trade Terms FOB, CFR, CIF
Payment Terms L/C, T/T, Western Union
Download PDF ATI Allegheny Ludlum AL 800AT™ Nickel-Base Alloy, UNS N08811.pdf
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Material Notes:
AL 800AT alloy is nickel-iron-chromium alloys designed to resist oxidation and carburization at elevated temperatures. The nickel content makes the alloy highly resistant both to chloride stress-corrosion cracking and to embrittlement form precipitation of sigma phase. The general corrosion resistance is excellent. This alloy has been approved as a material of construction under ASME Boiler and Pressure Vessel Code, Section I-Power Boilers, Section III-Nuclear Vessels, and Section VIII-Unfired Pressure Vessels. Uses include heat exchangers, process piping, heat treatment fixtures, furnace parts, and steam.Information provided by Allegheny Ludlum
Physical Properties Metric English Comments
Density 8.08 g/cc
0.292 lb/in³
Mechanical Properties Metric English Comments
Hardness, Rockwell B 70
70
Typical Annealed
Tensile Strength, Ultimate 531 MPa
77000 psi
Typical; Annealed at 2100°F (1149°C)
Tensile Strength, Yield 200 MPa

@Strain 0.200 %
29000 psi

@Strain 0.200 %
Typical; Annealed at 2100°F (1149°C)
Elongation at Break 52 %
52 %
in 2"; Typical; Annealed at 2100°F (1149°C)
Thermal Properties Metric English Comments
Specific Heat Capacity 0.500 J/g-°C
0.120 BTU/lb-°F
Component Elements Properties Metric English Comments
Carbon, C 0.080 %
0.080 %
Chromium, Cr 21 %
21 %
Copper, Cu 0.30 %
0.30 %
Iron, Fe 44 %
44 %
as balance
Manganese, Mn 1.0 %
1.0 %
Nickel, Ni 32 %
32 %
Phosphorous, P 0.020 %
0.020 %
Silicon, Si 0.35 %
0.35 %
Sulfur, S 0.010 %
0.010 %
Ti + Al 1.0 %
1.0 %
Electrical Properties Metric English Comments
Electrical Resistivity 0.0000990 ohm-cm
0.0000990 ohm-cm
Magnetic Permeability <= 1.02
<= 1.02
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