Inconel 690/UNS N06690/W.Nr. 2.4642
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.
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.