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Special Metals INCOLOY® alloy 803 Fe-Ni-Cr Alloy

Category Metal , Nonferrous Metal , Nickel Alloy , Superalloy
Manufacturer Special Metals (includes the former Inco Alloys International Inc.)
Trade Name INCOLOY®
Port Ningbo port,China
Trade Terms FOB, CFR, CIF
Payment Terms L/C, T/T, Western Union
Download PDF Special Metals INCOLOY® alloy 803 Fe-Ni-Cr Alloy.pdf
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Material Notes:
INCOLOY® alloy 803 (UNS S35045), an iron-nickel-chromium alloy, is designed for use in petrochemical, chemical and thermal processing applications. The nickel and chromium contents of alloy 803 are higher than those of INCOLOY alloys 800H and 800HT®. Alloy 803 is a cost-effective material which provides an exceptional level of high-temperature corrosion restance in oxidation, sulfidation and carburization environments. INCOLOY alloy 803 exhibits excellent stress-rupture strengths at elevated temperatures. These characteristics, along with a high resistance to carburization and cyclic oxidation, make INCOLOY alloy 803 the material of choice for many severe applications including ID-finned pyrolysis tubing in high-severity ethylene furnaces.INCOLOY alloy 803 is produced in all major product forms in a wide variety of sizes, finishes and tempers. One unique product form is internally finned, either straight or spiralled fins, cold finished tubing. Strict process controls ensure complete material traceability and structure consistency throughout the manufacture of all INCOLOY alloy 803 products.Information Provided by Special Metals Corporation
Physical Properties Metric English Comments
Density 7.86 g/cc
0.284 lb/in³
Mechanical Properties Metric English Comments
Tensile Strength at Break 552 - 621 MPa
80100 - 90100 psi
Sheet, Cold-rolled & Solution Annealed
572 - 607 MPa
83000 - 88000 psi
Rod, Hot-finished & Solution Annealed
572 - 607 MPa
83000 - 88000 psi
Plate, Hot-rolled & Solution Annealed
586 - 627 MPa
85000 - 90900 psi
Tubing, Cold-drawn & Solution Annealed
55.0 MPa

@Temperature 1093 °C
 7980 psi

@Temperature 1999 °F
 Solution Annealed Tubing
96.0 MPa

@Temperature 982 °C
 13900 psi

@Temperature 1800 °F
 Solution Annealed Tubing
186 MPa

@Temperature 871 °C
 27000 psi

@Temperature 1600 °F
 Solution Annealed Tubing
290 MPa

@Temperature 760 °C
 42100 psi

@Temperature 1400 °F
 Solution Annealed Tubing
448 MPa

@Temperature 649 °C
 65000 psi

@Temperature 1200 °F
 Solution Annealed Tubing
608 MPa

@Temperature 23.0 °C
 88200 psi

@Temperature 73.4 °F
627 MPa

@Temperature 20.0 °C
 90900 psi

@Temperature 68.0 °F
 Solution Annealed Tubing
640 MPa

@Temperature 870 °C,
Time 3.60e+6 sec
 92800 psi

@Temperature 1600 °F,
Time 1000 hour
 Room Temperature properties after Isothermal Exposure
645 MPa

@Temperature 870 °C,
Time 1.80e+6 sec
 93500 psi

@Temperature 1600 °F,
Time 500 hour
 Room Temperature properties after Isothermal Exposure
703 MPa

@Temperature 760 °C,
Time 7.20e+6 sec
 102000 psi

@Temperature 1400 °F,
Time 2000 hour
 Room Temperature properties after Isothermal Exposure
718 MPa

@Temperature 760 °C,
Time 3.60e+6 sec
 104000 psi

@Temperature 1400 °F,
Time 1000 hour
 Room Temperature properties after Isothermal Exposure
726 MPa

@Temperature 760 °C,
Time 1.80e+6 sec
 105000 psi

@Temperature 1400 °F,
Time 500 hour
 Room Temperature properties after Isothermal Exposure
874 MPa

@Temperature 650 °C,
Time 3.60e+6 sec
 127000 psi

@Temperature 1200 °F,
Time 1000 hour
 Room Temperature properties after Isothermal Exposure
887 MPa

@Temperature 650 °C,
Time 1.80e+6 sec
 129000 psi

@Temperature 1200 °F,
Time 500 hour
 Room Temperature properties after Isothermal Exposure
Tensile Strength, Yield 207 - 255 MPa

@Strain 0.200 %
 30000 - 37000 psi

@Strain 0.200 %
 Rod, Hot-finished & Solution Annealed
275 - 296 MPa

@Strain 0.200 %
 39900 - 42900 psi

@Strain 0.200 %
 Plate, Hot-rolled & Solution Annealed
275 - 310 MPa

@Strain 0.200 %
 39900 - 45000 psi

@Strain 0.200 %
 Tubing, Cold-drawn & Solution Annealed
275 - 331 MPa

@Strain 0.200 %
 39900 - 48000 psi

@Strain 0.200 %
 Sheet, Cold-rolled & Solution Annealed
48.0 MPa

@Strain 0.200 %,
Temperature 1093 °C
 6960 psi

@Strain 0.200 %,
Temperature 1999 °F
 Solution Annealed Tubing
55.0 MPa

@Strain 0.200 %,
Temperature 982 °C
 7980 psi

@Strain 0.200 %,
Temperature 1800 °F
 Solution Annealed Tubing
124 MPa

@Strain 0.200 %,
Temperature 871 °C
 18000 psi

@Strain 0.200 %,
Temperature 1600 °F
 Solution Annealed Tubing
193 MPa

@Strain 0.200 %,
Temperature 649 °C
 28000 psi

@Strain 0.200 %,
Temperature 1200 °F
 Solution Annealed Tubing
193 MPa

@Strain 0.200 %,
Temperature 760 °C
 28000 psi

@Strain 0.200 %,
Temperature 1400 °F
 Solution Annealed Tubing
247 MPa

@Strain 0.200 %,
Temperature 20.0 °C
 35800 psi

@Strain 0.200 %,
Temperature 68.0 °F
 after Isothermal Exposure; Solution Annealed
310 MPa

@Strain 0.200 %,
Temperature 20.0 °C
 45000 psi

@Strain 0.200 %,
Temperature 68.0 °F
 Solution Annealed Tubing
259 MPa

@Strain 0.200 %,
Time 3.60e+6 sec
 37600 psi

@Strain 0.200 %,
Time 1000 hour
 Room Temperature properties after Isothermal Exposure
266 MPa

@Strain 0.200 %,
Time 1.80e+6 sec
 38600 psi

@Strain 0.200 %,
Time 500 hour
 Room Temperature properties after Isothermal Exposure
289 MPa

@Strain 0.200 %,
Time 7.20e+6 sec
 41900 psi

@Strain 0.200 %,
Time 2000 hour
 Room Temperature properties after Isothermal Exposure
303 MPa

@Strain 0.200 %,
Time 3.60e+6 sec
 43900 psi

@Strain 0.200 %,
Time 1000 hour
 Room Temperature properties after Isothermal Exposure
316 MPa

@Strain 0.200 %,
Time 1.80e+6 sec
 45800 psi

@Strain 0.200 %,
Time 500 hour
 Room Temperature properties after Isothermal Exposure
498 MPa

@Strain 0.200 %,
Time 3.60e+6 sec
 72200 psi

@Strain 0.200 %,
Time 1000 hour
 Room Temperature properties after Isothermal Exposure
500 MPa

@Strain 0.200 %,
Time 1.80e+6 sec
 72500 psi

@Strain 0.200 %,
Time 500 hour
 Room Temperature properties after Isothermal Exposure
259 MPa

@Strain 0.200 %,
Treatment Temp. 870 °C
 37600 psi

@Strain 0.200 %,
Treatment Temp. 1600 °F
 Room Temperature properties after Isothermal Exposure
266 MPa

@Strain 0.200 %,
Treatment Temp. 870 °C
 38600 psi

@Strain 0.200 %,
Treatment Temp. 1600 °F
 Room Temperature properties after Isothermal Exposure
289 MPa

@Strain 0.200 %,
Treatment Temp. 760 °C
 41900 psi

@Strain 0.200 %,
Treatment Temp. 1400 °F
 Room Temperature properties after Isothermal Exposure
303 MPa

@Strain 0.200 %,
Treatment Temp. 760 °C
 43900 psi

@Strain 0.200 %,
Treatment Temp. 1400 °F
 Room Temperature properties after Isothermal Exposure
316 MPa

@Strain 0.200 %,
Treatment Temp. 760 °C
 45800 psi

@Strain 0.200 %,
Treatment Temp. 1400 °F
 Room Temperature properties after Isothermal Exposure
498 MPa

@Strain 0.200 %,
Treatment Temp. 650 °C
 72200 psi

@Strain 0.200 %,
Treatment Temp. 1200 °F
 Room Temperature properties after Isothermal Exposure
500 MPa

@Strain 0.200 %,
Treatment Temp. 650 °C
 72500 psi

@Strain 0.200 %,
Treatment Temp. 1200 °F
 Room Temperature properties after Isothermal Exposure
Elongation at Break 40 - 45 %
40 - 45 %
Sheet, Cold-rolled & Solution Annealed
43 - 47 %
43 - 47 %
Plate, Hot-rolled & Solution Annealed
45 - 50 %
45 - 50 %
Tubing, Cold-drawn & Solution Annealed
45 - 50 %
45 - 50 %
Rod, Hot-finished & Solution Annealed
49 %

@Temperature 20.0 °C
 49 %

@Temperature 68.0 °F
 Solution Annealed Tubing
49 %

@Temperature 649 °C
 49 %

@Temperature 1200 °F
 Solution Annealed Tubing
49.3 %

@Temperature 23.0 °C
 49.3 %

@Temperature 73.4 °F
66 %

@Temperature 760 °C
 66 %

@Temperature 1400 °F
 Solution Annealed Tubing
80 %

@Temperature 982 °C
 80 %

@Temperature 1800 °F
 Solution Annealed Tubing
80 %

@Temperature 1093 °C
 80 %

@Temperature 1999 °F
 Solution Annealed Tubing
88 %

@Temperature 871 °C
 88 %

@Temperature 1600 °F
 Solution Annealed Tubing
25.6 %

@Treatment Temp. 650 °C,
Time 3.60e+6 sec
 25.6 %

@Treatment Temp. 1200 °F,
Time 1000 hour
 Room Temperature properties after Isothermal Exposure
27.5 %

@Treatment Temp. 650 °C,
Time 1.80e+6 sec
 27.5 %

@Treatment Temp. 1200 °F,
Time 500 hour
 Room Temperature properties after Isothermal Exposure
32.9 %

@Treatment Temp. 760 °C,
Time 7.20e+6 sec
 32.9 %

@Treatment Temp. 1400 °F,
Time 2000 hour
 Room Temperature properties after Isothermal Exposure
33.9 %

@Treatment Temp. 760 °C,
Time 1.80e+6 sec
 33.9 %

@Treatment Temp. 1400 °F,
Time 500 hour
 Room Temperature properties after Isothermal Exposure
34.4 %

@Treatment Temp. 760 °C,
Time 3.60e+6 sec
 34.4 %

@Treatment Temp. 1400 °F,
Time 1000 hour
 Room Temperature properties after Isothermal Exposure
38.1 %

@Treatment Temp. 870 °C,
Time 1.80e+6 sec
 38.1 %

@Treatment Temp. 1600 °F,
Time 500 hour
 Room Temperature properties after Isothermal Exposure
38.5 %

@Treatment Temp. 870 °C,
Time 3.60e+6 sec
 38.5 %

@Treatment Temp. 1600 °F,
Time 1000 hour
 Room Temperature properties after Isothermal Exposure
Reduction of Area 54 %

@Temperature 760 °C
 54 %

@Temperature 1400 °F
 Solution Annealed Tubing
55 %

@Temperature 649 °C
 55 %

@Temperature 1200 °F
 Solution Annealed Tubing
66 %

@Temperature 871 °C
 66 %

@Temperature 1600 °F
 Solution Annealed Tubing
67 %

@Temperature 20.0 °C
 67 %

@Temperature 68.0 °F
 Solution Annealed Tubing
75 %

@Temperature 982 °C
 75 %

@Temperature 1800 °F
 Solution Annealed Tubing
77 %

@Temperature 1093 °C
 77 %

@Temperature 1999 °F
 Solution Annealed Tubing
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