Inconel 690
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Inconel 690 is a high-chromium nickel alloy having excellent resistance to many corrosive aqueous media and hightemperature atmospheres. In addition to its corrosion resistance, alloy 690 has high strength,good metallurgical stability, and favorable fabrication characteristics.
Inconel 690 Trade Name: Alloy 690;UNS N06690; W.Nr.2.4642.
Inconel 690 Chemical composition
|
Alloy |
% |
Ni |
Cr |
Fe |
C |
Mn |
Si |
Cu |
S |
|
690 |
Min |
58.0 |
27.0 |
7.0 |
0.05 |
||||
|
Max |
31.0 |
11.0 |
0.5 |
0.5 |
0.5 |
0.015 |
Inconel 690 Mechanical properties Minimum value at 20℃
| Alloy State |
Tensile Strength σb/MPa |
Yield Strength σp0.2/MPa |
Elongation σ5 /% |
| Annlead Solution |
580 |
260 |
30 |
Inconel 690 Specification
|
Bar |
Forging |
Sheet/Strip |
Pipe |
|
ASTM B166 |
ASTM B564 |
ASTM B168 |
ASTM B163 ASTM B829 |
Inconel 690 Application Filed:
Alloy 690 is used for applications such as coal-gasification units, burners and ducts for processing sulfuric acid, furnaces for petrochemical processing, incinerators and so on.
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