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Special Metals INCONEL® alloy 693

Category Metal , Nonferrous Metal , Nickel Alloy , Superalloy
Manufacturer Special Metals (includes the former Inco Alloys International Inc.)
Trade Name INCONEL®
Port Shanghai port,China
Trade Terms FOB, CFR, CIF
Payment Terms L/C, T/T, Western Union
Download PDF Special Metals INCONEL® alloy 693.pdf
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Material Notes:
INCONEL alloy 693 is a new alloy from Special Metals which offers resistance to high temperature corrosion mechanisms not previously available from a nickel-based alloy. Of particular interest to the designer is the alloy's resistance to metal dusting. INCONEL® alloy 693 offers the best resistance to metal dusting in chemical and petrochemical processing environments of any conventional alloy currently manufactured. Like its predecessor, INCONEL alloy 690, the alloy's high chromium content gives it excellent resistance to oxidation and sulfidation.ApplicationsPetrochemical: Syntheses gas productionWate to Energy and Biomass IncineratorsThermal ProcessingBurner NozzlesHigh-Temperature Fuel Cell ReformersInformation Provided by Special Metals Corporation
Physical Properties Metric English Comments
Density 7.77 g/cc
0.281 lb/in³
Mechanical Properties Metric English Comments
Tensile Strength at Break 882.6 MPa
128000 psi
Hot-rolled and annealed plate
937.7 MPa
136000 psi
Cold-drawn and annealed tubing
Tensile Strength, Yield 489.5 MPa

@Strain 0.200 %
71000 psi

@Strain 0.200 %
Hot-rolled and annealed plate
530.9 MPa

@Strain 0.200 %
77000 psi

@Strain 0.200 %
Cold-drawn and annealed tubing
Elongation at Break 42 %
42 %
Cold-drawn and annealed tubing
45 %
45 %
Hot-rolled and annealed plate
Rupture Strength 22.1 MPa

@Temperature 871 °C,
Time 3.60e+7 sec
3200 psi

@Temperature 1600 °F,
Time 10000 hour
38.6 MPa

@Temperature 871 °C,
Time 3.60e+6 sec
5600 psi

@Temperature 1600 °F,
Time 1000 hour
68.9 MPa

@Temperature 871 °C,
Time 360000 sec
10000 psi

@Temperature 1600 °F,
Time 100 hour
159 MPa

@Temperature 649 °C,
Time 3.60e+7 sec
23000 psi

@Temperature 1200 °F,
Time 10000 hour
228 MPa

@Temperature 649 °C,
Time 3.60e+6 sec
33000 psi

@Temperature 1200 °F,
Time 1000 hour
310 MPa

@Temperature 649 °C,
Time 360000 sec
45000 psi

@Temperature 1200 °F,
Time 100 hour
Modulus of Elasticity 137 GPa

@Temperature 800 °C
19900 ksi

@Temperature 1470 °F
165 GPa

@Temperature 500 °C
23900 ksi

@Temperature 932 °F
194 GPa

@Temperature 100 °C
28100 ksi

@Temperature 212 °F
196 GPa

@Temperature 21.0 °C
28400 ksi

@Temperature 69.8 °F
Charpy Impact, Notched 26.3 J/cm²

@Temperature 704 °C,
Time 3.60e+6 sec
125 ft-lb/in²

@Temperature 1300 °F,
Time 1000 hour
27.5 J/cm²

@Temperature 649 °C,
Time 3.60e+6 sec
131 ft-lb/in²

@Temperature 1200 °F,
Time 1000 hour
39.0 J/cm²

@Temperature 760 °C,
Time 3.60e+6 sec
186 ft-lb/in²

@Temperature 1400 °F,
Time 1000 hour
68.6 J/cm²

@Temperature 593 °C,
Time 3.60e+6 sec
326 ft-lb/in²

@Temperature 1100 °F,
Time 1000 hour
Thermal Properties Metric English Comments
CTE, linear 13.04 µm/m-°C

@Temperature 100 °C
7.244 µin/in-°F

@Temperature 212 °F
14.8 µm/m-°C

@Temperature 500 °C
8.22 µin/in-°F

@Temperature 932 °F
17.01 µm/m-°C

@Temperature 900 °C
9.450 µin/in-°F

@Temperature 1650 °F
Specific Heat Capacity 0.455 J/g-°C

@Temperature 23.0 °C
0.109 BTU/lb-°F

@Temperature 73.4 °F
0.484 J/g-°C

@Temperature 100 °C
0.116 BTU/lb-°F

@Temperature 212 °F
0.560 J/g-°C

@Temperature 500 °C
0.134 BTU/lb-°F

@Temperature 932 °F
0.642 J/g-°C

@Temperature 900 °C
0.153 BTU/lb-°F

@Temperature 1650 °F
Thermal Conductivity 9.10 W/m-K

@Temperature 23.0 °C
63.2 BTU-in/hr-ft²-°F

@Temperature 73.4 °F
10.7 W/m-K

@Temperature 100 °C
74.3 BTU-in/hr-ft²-°F

@Temperature 212 °F
17.8 W/m-K

@Temperature 500 °C
124 BTU-in/hr-ft²-°F

@Temperature 932 °F
23.6 W/m-K

@Temperature 900 °C
164 BTU-in/hr-ft²-°F

@Temperature 1650 °F
Melting Point 1317 - 1367 °C
2403 - 2493 °F
Solidus 1317 °C
2403 °F
Liquidus 1367 °C
2493 °F
Component Elements Properties Metric English Comments
Aluminum, Al 2.5 - 4.0 %
2.5 - 4.0 %
Carbon, C <= 0.15 %
<= 0.15 %
Chromium, Cr 27 - 31 %
27 - 31 %
Copper, Cu <= 0.50 %
<= 0.50 %
Iron, Fe 2.5 - 6.0 %
2.5 - 6.0 %
Manganese, Mn <= 1.0 %
<= 1.0 %
Nickel, Ni 53.34 - 67.5 %
53.34 - 67.5 %
as remainder
Niobium, Nb (Columbium, Cb) 0.50 - 2.5 %
0.50 - 2.5 %
Silicon, Si <= 0.50 %
<= 0.50 %
Sulfur, S <= 0.010 %
<= 0.010 %
Titanium, Ti <= 1.0 %
<= 1.0 %
Electrical Properties Metric English Comments
Electrical Resistivity 0.0001168 ohm-cm
0.0001168 ohm-cm
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