1. Introduction to Inconel 600 Materials
Inconel 600 alloy is an early developed nickel-chromium nickel-based heat and corrosion resistant solid-solution strengthened alloy. It features outstanding high-temperature oxidation & corrosion resistance, excellent hot & cold workability and weldability, and favorable thermal strength & high plasticity under 700℃.
2. Inconel 600 chemical composition
| alloy |
% |
Ni |
Cr |
Fe |
C |
Mn |
Si |
Cu |
P |
S |
| Inconel 600 |
Minimum value |
71.0 |
14.0 |
6.0 |
– |
– |
– |
– |
– |
– |
| Maximum value |
78.0 |
17.0 |
10.0 |
0.15 |
1.00 |
0.50 |
0.50 |
0.030 |
0.015 |
3. Physical performance of Inconel 600
Material density: 8.43g/cm³
Melting point: 1370-1425℃
| Alloy status |
Tensile strength Rm N/mm² |
Yield strength RP0.2 N/mm² |
Elongation A5% |
Brinell hardness HB |
| Annealing treatment |
550 |
240 |
30 |
≤195 |
| Solid solution treatment |
500 |
180 |
35 |
≤185 |
4. Inconel 600 material characteristics
- Excellent corrosion resistance in reducing, oxidizing and nitriding media
- Good resistance to stress corrosion cracking at room and high temperature
- Outstanding anti-corrosion performance against dry chlorine and hydrogen chloride gas
- Stable mechanical properties at cryogenic, room and high temperature
- Controlled carbon content and grain size deliver good creep resistance and rupture strength; suitable for service environment above 700℃
5. Inconel 600 application fields
- Thermocouple sleeves in corrosive atmospheres
- Vinyl chloride monomer production: resistant to chlorine, hydrogen chloride, oxidation and carburization corrosion
- Uranium oxidation conversion to uranium hexafluoride: anti-hydrofluoric acid corrosion
- Production & application of corrosive alkali metals, especially sulfide-containing environments
- Chlorination-process titanium dioxide production equipment
- Manufacturing organic & inorganic chlorides and fluorides: resistant to chlorine and fluorine corrosion
- Nuclear reactor components
- Heat treatment furnace rollers and structural parts for carburizing & nitriding atmospheres
- Alloy 600H is recommended for petrochemical catalytic regenerators for extended service life above 700℃