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Carlson C 825 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 825 Nickel-Iron-Chromium Alloy.pdf
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Material Notes:
General DescriptionCarlson Alloy C 825 is a nickel-iron-chromium alloy, developed for use in extremely corrosive environments. The nickel content of this alloy makes it resistant to chloride-ion stress corrosion cracking; and in combination with its molybdenum and copper content, endows C 825 with resistance to oxidizing environments. When heated in the critical sensitization temperature range of 1200°F to 1400° (650°C to 760°C), C 825 resists pitting and intergranular attack.ApplicationsC 825 is utilized in numerous corrosive environments, including the processing and storage of reducing acids such as sulfuric and phosphoric solution. It is also used in various oxidizing environments, including nitric and acid solutions, nitrates and oxidizing salts.C 825 offers excellent resistance to corrosion by sea waterChemical Processing – heat exchangers, evaporators, pumps, piping, valves, vessels, expansion bellows, tank trucks, scrubbers, condensers, tank and vessel linings; and for processing and handling sulfuric acid, phosphoric acids, hydrofluoric acid, nitric acid, nitrates and oxidizing salts.Pulp and Paper – wet scrubber linings in systems using sodium sulfite and sodium bisulfate solutions.Pickling Processes – tank heaters and hooksOre Processing – hydrometallurgy and plate heat exchangers in copper refining.Pollution Control – Hopper bottoms and trays in electrostatic precipitators; ducts and dampers, stack-gas reheaters, waste heat recovery exchangers, stack liners and other wet scrubber components; sludge-incinerator wet scrubbers; marine inert-gas scrubbers; radwaste evaporator systems.Information provided by Carlson
Physical Properties Metric English Comments
Density 8.14 g/cc
0.294 lb/in³
Mechanical Properties Metric English Comments
Tensile Strength at Break >= 586 MPa
>= 85000 psi
Tensile Strength, Yield >= 241 MPa

@Strain 0.200 %
>= 35000 psi

@Strain 0.200 %
Elongation at Break >= 30 %
>= 30 %
Modulus of Elasticity 195 GPa
28300 ksi
119 GPa

@Temperature 982 °C
17300 ksi

@Temperature 1800 °F
164 GPa

@Temperature 538 °C
23800 ksi

@Temperature 1000 °F
Thermal Properties Metric English Comments
CTE, linear 14.0 µm/m-°C

@Temperature 26.7 - 93.3 °C
7.80 µin/in-°F

@Temperature 80.0 - 200 °F
15.3 µm/m-°C

@Temperature 26.7 - 760 °C
8.50 µin/in-°F

@Temperature 80.0 - 1400 °F
17.1 µm/m-°C

@Temperature 26.7 - 427 °C
9.50 µin/in-°F

@Temperature 80.0 - 800 °F
Melting Point 1370 - 1400 °C
2500 - 2550 °F
Solidus 1370 °C
2500 °F
Liquidus 1400 °C
2550 °F
Component Elements Properties Metric English Comments
Aluminum, Al <= 0.20 %
<= 0.20 %
Carbon, C <= 0.050 %
<= 0.050 %
Chromium, Cr 19.5 - 23.5 %
19.5 - 23.5 %
Copper, Cu 1.5 - 3.0 %
1.5 - 3.0 %
Iron, Fe >= 22 %
>= 22 %
Manganese, Mn <= 1.0 %
<= 1.0 %
Molybdenum, Mo 2.5 - 3.5 %
2.5 - 3.5 %
Nickel, Ni 38 - 46 %
38 - 46 %
Silicon, Si <= 0.50 %
<= 0.50 %
Sulfur, S <= 0.030 %
<= 0.030 %
Titanium, Ti 0.60 - 1.2 %
0.60 - 1.2 %
Electrical Properties Metric English Comments
Electrical Resistivity 0.000113 ohm-cm

@Temperature 25.6 °C
0.000113 ohm-cm

@Temperature 78.0 °F
0.000118 ohm-cm

@Temperature 204 °C
0.000118 ohm-cm

@Temperature 400 °F
0.000127 ohm-cm

@Temperature 538 °C
0.000127 ohm-cm

@Temperature 1000 °F
0.000130 ohm-cm

@Temperature 982 °C
0.000130 ohm-cm

@Temperature 1800 °F
Magnetic Permeability 1.005
1.005
200 Oersted
Curie Temperature <= -195.56 °C
<= -320.01 °F
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