Incoloy 803 (UNS S35045)
Category: INCOLOY
Overview
INCOLOY 803 , an iron-nickelchromium 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 , The ratios of nickel, iron and chromium are balanced to provide optimum properties in the temperature range of 1550°F (840°C) to 2100°F (1150°C).
Alloy 803 is a cost-effective material which provides an exceptional level of high-temperature corrosion resistance in oxidation, sulfidation and carburization environments.
Chemical Composition
| Ni | Cr | C | Al | Ti | Cu | S | Mn | Si | Fe | |
| MIN | 32 | 25 | 0.06 | 0.15 | 0.15 | - | - | - | - | 29.4 |
| MAX | 37 | 29 | 0.10 | 0.60 | 0.60 | 0.75 | 0.015 | 1.5 | 1.0 | 39.4 |
Physical Properties
| Density | 7.86 g/cm³ |
| Melting Range | 1395-1430℃ |
Available Products and Specifications
| Plate, Sheet and Strip | ASTM A 240, ASTM A 480, ASME Code Case 2304 |
| Seamless Pipe and Tubing | ASTM A 213, ASME SA 213 |
| Welded Tubing | ASTM SA 249, ASME SA 249 |
| Forgings | ASTM A 182, ASME SA 182 |
Features
● INCOLOY 803 is an alloy comprising of iron-nickel and chromium, with a high nickel and chromium content compared to other INCOLOY alloys. This alloy proves to be a cost effective alternative for replacing other alloys that are used in corrosive reducing, oxidizing and sulfidising environments. The alloy also exhibits good stress-rupture strength at high temperatures. Some of the standard forms of the alloy are pipes, welds, tubes, plate, strip, round, squares and forged fittings.
Applications
● Petrochemical, chemical and thermal processes
● ID finned pyrolysis
● Tubing of high-severity ethylene furnaces.
Keywords: Incoloy 803 (UNS S35045)
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Welcome to ZK Alloy, we are professional manufacturer for special alloy materials with twelve years experiences, we mainly produce inconel, monel, hastelloy, high temperature alloy and other nickel based alloy products, which are widely used in aerospace, oil and gas, energy and environmental, automotive, chemical, industrial valves, communication electronics and other industries.
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