Incoloy 800H has excellent corrosion resistance in
the water media at extremely high temperature of 500℃.
Its higher nickel content made it have good stress corrosion resistance
cracking properties in the water corrosion condition. High chromium content
made it better resistance to pitting and crevice corrosion cracking. This alloy
can resist nitric acid and organic acid, but it is not so fine in the sulfuric
acid and hydrochloric acid.
Incoloy 800H Specification
UNS
W.Nr
N08810
1.4958
Incoloy 800H Chemical composition
Grade
%
Ni
Cr
Fe
C
Mn
Si
Cu
S
Al
Ti
P
800H
Min
30
19
Bal,
0.05
0.15
0.15
Max
35
23
0.10
1.5
1
0.75
0.015
0.60
0.60
0.03
Incoloy
800H Mechanical properties:(Minimum value at 20℃)
Tensile Strength
σb/MPa
Yield Strength
σp0.2/MPa
Elongation
σ5 /%
450
180
35
Incoloy
800H Standard
Bar
Forging
Sheet/Strip
Wire
Pipe
ASTM B408
ASTM B564
ASTM B409
ASTM B408
ASTM B407
ASTM B514
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