Inconel
718 has excellent corrosion resistance at high and low temperatures and good
resistance to stress-corrosion cracking and pitting corrosion. Alloy 718 has
good performance in hostile environments containing H2S, CO2, chlorides,
sulfides and free sulfur at selected temperatures. Alloy 718 is commonly used
for cryogenic storage tanks, downhole shafts and wellhead parts.
Inconel 718 Specifications
Inconel 718 Chemical composition
|
Grade
|
%
|
Ni
|
Cr
|
Fe
|
Mo
|
Nb
|
C
|
Mn
|
Si
|
S
|
Cu
|
Al
|
Ti
|
B
|
|
718
|
Min
|
50
|
17
|
Bal.
|
2.8
|
4.75
|
|
|
|
|
|
0.20
|
0.65
|
|
|
Max
|
55
|
21
|
3.3
|
5.50
|
0.08
|
0.35
|
0.35
|
0.015
|
0.30
|
0.80
|
1.15
|
0.006
|
Inconel 718 Mechanical properties：(Minimum value at 20℃)
Inconel 718 Standard
|
Bar
|
Forging
|
Sheet/Strip
|
Wire
|
|
ASTM
B637
|
ASTM
B637
|
ASTM
B670
|
AMS
5832
|
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