654SMO(UNS S32654、00Cr24Ni22Mo8Mn3CuN、1.4652)
1.Composition(wt%)
|
C
|
Cr
|
Ni
|
Mo
|
Si
|
Mn
|
P
|
S
|
Cu
|
N
|
|
≤0.02
|
24.0-25.0
|
21.0-23.0
|
7.0-8.0
|
≤0.5
|
2.0-4.0
|
≤0.03
|
≤0.005
|
0.3-0.6
|
0.45-0.55
|
2.Physical Properties
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Density
(g/cm3)
|
Elastic modulus
(Gpa)
|
|
7.9
|
210
|
3.Properties
|
Condition
|
бb/N/mm2
|
б0.2/N/mm2
|
δ5/%
|
HB
|
|
Solid solution
|
≥750
|
≥430
|
≥40
|
≤250
|
4.Characteristics
654Smois a kind of super austenitic stainless steel containing 7%molybdenumwith good resistance
to pitting corrosion, crevice corrosion resistance and high strength.
It is used to the research and development containing halide environment such as seawater.
Good uniform corrosion resistance in acid containing halide.
A kind of high alloy stainless steel with high nickel, chromium, molybdenum.
Very good localized corrosion resistance.
Good resistance to pitting corrosion and stress corrosion cracking in sea water, existing gap, under the condition
of low speed scouring, substitute for Ni base alloy and titanium alloy.
5.Applications
Widely used in the applications in the highly demanding pitting resistance , such as chemical industry, papermaking and
water treatment equipment, pulp bleaching and the components of smoke desulfurization device and containing a large
amount of hydrogen sulfide and other harsh environment of oil and gas.
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