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Carlson C 800AT Nickel-Iron-Chromium Alloy

Category Metal , Nonferrous Metal , Nickel Alloy , Superalloy
Manufacturer Carlson
Trade Name
Port Shanghai port,China
Trade Terms FOB, CFR, CIF
Payment Terms L/C, T/T, Western Union
Download PDF Carlson C 800AT Nickel-Iron-Chromium Alloy.pdf
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Material Notes:
General DescriptionCarlson Alloy C 800AT is a modification of Carlson Alloy C 800, exhibiting higher creep and rupture strengths. This nickel-iron-chromium alloy has a carbon content restricted to a range of 0.06 to 0.10%. The aluminum plus titanium content of this alloy is also maintained in the upper portion of the standard range (0.85 to 1.20%).C 800AT is solution-annealed at 2100°F (1500°C). That heat treatment and the compositional restrictions are responsible for this alloy’s improved creep and rupture strengths.Since the chemistry of C 800AT falls within the range of C 800, there are no significant differences in physical and thermal properties. The major differences between the alloys are in the mechanical properties. (Generally C 800 exhibits higher mechanical properties at room temperature and during short-term exposure to elevated temperatures.) C 800AT displays superior and rupture strengths over long-term exposure to elevated temperatures.C 800AT offers higher ASME boiler and pressure vessel design stress allowables in creep and rupture test ranges than C 800H.ApplicationsChemical and Petrochemical – piping, tubing, pigtails and outlet manifolds in steam/hydrocarbon reforming; tubing for ethylene production; tubing and heaters for oxo-alcohol production; hydrodealkylation units; tubing, flanges and bends for production of vinyl chloride monomer.Thermal Processing – tubing, muffles, retorts and fixtures in heat treating furnaces.Power Generation – tubing in power plant superheaters and reheaters.Information provided by Carlson
Physical Properties Metric English Comments
Density 7.94 g/cc
0.287 lb/in³
Mechanical Properties Metric English Comments
Tensile Strength at Break >= 448 MPa
>= 65000 psi
Tensile Strength, Yield >= 172 MPa

@Strain 0.200 %
>= 25000 psi

@Strain 0.200 %
Elongation at Break >= 30 %
>= 30 %
Modulus of Elasticity 197 GPa
28500 ksi
Poissons Ratio 0.339
0.339
Shear Modulus 73.6 GPa
10700 ksi
Calculated
Thermal Properties Metric English Comments
CTE, linear 18.4 µm/m-°C

@Temperature 21.1 - 871 °C
10.2 µin/in-°F

@Temperature 70.0 - 1600 °F
Melting Point 1357 - 1385 °C
2475 - 2525 °F
Solidus 1357 °C
2475 °F
Liquidus 1385 °C
2525 °F
Component Elements Properties Metric English Comments
Aluminum, Al 0.15 - 0.60 %
0.15 - 0.60 %
Carbon, C 0.060 - 0.10 %
0.060 - 0.10 %
Chromium, Cr 19 - 23 %
19 - 23 %
Copper, Cu <= 0.75 %
<= 0.75 %
Iron, Fe >= 39.5 %
>= 39.5 %
Manganese, Mn <= 1.5 %
<= 1.5 %
Nickel, Ni 30 - 35 %
30 - 35 %
Silicon, Si <= 1.0 %
<= 1.0 %
Sulfur, S <= 0.015 %
<= 0.015 %
Titanium, Ti 0.15 - 0.60 %
0.15 - 0.60 %
Electrical Properties Metric English Comments
Magnetic Permeability 1.014
1.014
200 Oersted
Curie Temperature -115 °C
-175 °F
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