2.4694

Standards

Mat. No.
2.4694
EU
NiCr16Fe7TiAl
AISI/ASTM
-
UNS
N07751
Other
Inconel Alloy 751
Alloy 751
Nicrofer 7016 TiAl
The 2.4694 / Alloy 751 alloy is similar to the Alloy X-750 alloy. Only the aluminum content has been increased for better precipitation hardening.
600 °It maintains high tensile strength up to C temperature. °It exhibits high creep and fatigue resistance up to 820C temperature. °It has high oxidation resistance up to 980C temperature. It has high resistance to stress corrosion at low and high temperatures. It has good weldability.

Chemical Composition & Mechanical and Physical Properties

C%
0.10 max
Mn%
1.00 max
Ti%
2.00-2.60
S%
0.010 max
Si%
0.50 max
Cr%
14.00-17.00
Ni%
70.00 min
Nb%
0.70-1.20
Cu%
0.50 max
AI%
0.90-1.50
Fe%
5.00-9.00
0.2% Yield Strength Rp N/mm2
716 min
Tensile Strength Rm N/mm2 1172 min
1080 min
Elongation A5 %
24 min
Tensile Strength (1000 hours)
650 °C
280 MPa
730 °C
240 MPa
815 °C
97 MPa
Solution Annealed ve precipitation hardened.

Application areas

In combustion chambers and exhaust valves.
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