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ATI Allegheny Ludlum Altemp® 263 Nickel-Based alloy

Category Metal , Nonferrous Metal , Nickel Alloy
Manufacturer ATI Allegheny Ludlum
Trade Name Altemp®
Port Ningbo port,China
Trade Terms FOB, CFR, CIF
Payment Terms L/C, T/T, Western Union
Download PDF ATI Allegheny Ludlum Altemp® 263 Nickel-Based alloy.pdf
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Material Notes:
Characteristics: high strength up to 1500°F, oxidation resistance up to 2000°FInformation provided by Allegheny Ludlum
Physical Properties Metric English Comments
Density 8.36 g/cc
0.302 lb/in³
Mechanical Properties Metric English Comments
Hardness, Rockwell B 90
90
Solution Annealed, 21°C
Hardness, Rockwell C 28
28
Age Hardened per AMS 5872D, 21°C
Tensile Strength, Ultimate 655 MPa
95000 psi
827 MPa
120000 psi
Solution Annealed
1034 MPa
150000 psi
Age Hardened per AMS 5872D, 21°C
Tensile Strength, Yield 414 MPa
60000 psi
Solution Annealed
552 MPa
80100 psi
621 MPa
90100 psi
Age Hardened per AMS 5872D, 21°C
Elongation at Break 17 %
17 %
Age Hardened per AMS 5872D, 779°C
35 %
35 %
Age Hardened per AMS 5872D, 21°C
50 %
50 %
Solution Annealed
Creep Strength 116 MPa

@Temperature 779.4 °C,
Time 180000 sec
 16800 psi

@Temperature 1435 °F,
Time 50.0 hour
Modulus of Elasticity 220 GPa
31900 ksi
Component Elements Properties Metric English Comments
Aluminum, Al 0.30 - 0.60 %
0.30 - 0.60 %
Carbon, C 0.040 - 0.080 %
0.040 - 0.080 %
Chromium, Cr 19 - 21 %
19 - 21 %
Cobalt, Co 19 - 21 %
19 - 21 %
Copper, Cu <= 0.20 %
<= 0.20 %
Iron, Fe <= 0.70 %
<= 0.70 %
As Remainder
Manganese, Mn <= 0.60 %
<= 0.60 %
Molybdenum, Mo 5.6 - 6.1 %
5.6 - 6.1 %
Nickel, Ni >= 46.898 %
>= 46.898 %
Phosphorous, P <= 0.015 %
<= 0.015 %
Silicon, Si <= 0.40 %
<= 0.40 %
Sulfur, S <= 0.0070 %
<= 0.0070 %
Titanium, Ti 1.9 - 2.4 %
1.9 - 2.4 %
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