INCOLOY 803
INCOLOY 803
List of Features
Incoloy 803
INCOLOY®alloy 803 (UNS S35045), an iron-nickel-chromium alloy, is designed for use in petrochemical,chemical and thermal processing applications. Thenickel and chromium contents of alloy 803 are higherthan those of INCOLOY alloys 800H and 800HT®. Theratios of nickel, iron and chromium are balanced toprovide optimum properties in the temperature range of1550°F (840°C) to 2100°F (1150°C). Alloy 803 is acost-effective material which provides an exceptionallevel of high-temperature corrosion resistance inoxidation, sulfidation and carburization environments.
%Chemical Composition
| Si | Mn | S | Cu | Ti | Al | C | Ni | Cr | Fe |
| (max) 1 | (max) 1.5 | (max) 0.015 | (max) 0.75 | 0.6 - 0.15 | 0.6 - 0.15 | 0.1 - 0.06 | 37 - 32 | 29 - 25 | Balance |
Density & Melting Range
| Melting Range (Celsius) | Density |
| 1400 - 1365 | (g/cm) 7.76 |
Mechanical Properties
| % Elongation | Yield Strength (MPa) | Tensile Strength (MPa) | Form and Condition |
| 50 - 45 | 310 - 275 | 627 - 586 | Tubing, Cold-drawn & Solution Annealed |
| 47 - 43 | 296 - 275 | 607 - 572 | Plate, Hot-rolled & Solution Annealed |
| 45 - 40 | 331 - 275 | 621 - 552 | Sheet, Cold-rolled & Solution Annealed |
| 50 - 45 | 225 - 207 | 607 - 572 | Rod, Hot-finished & Solution Annealed |
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