Generic 800H Stainless steels

Material group: Ferrous Alloys / Stainless steels
Country / Standard: Generic

Data updates

Latest Update: 2025-05
Total number of updates: 1
Update History

This material has 17 properties — only a subset is shown here.

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Generic 800H Chemical Composition

CRITERIA
VALUE
UNIT
CAS NUMBER
CRITERIA
Al
VALUE
0.38
UNIT
%
CAS NUMBER
7429-90-5
CRITERIA
C
VALUE
0.095
UNIT
%
CAS NUMBER
7440-44-0
CRITERIA
Cr
VALUE
21
UNIT
%
CAS NUMBER
7440-47-3
CRITERIA
Cu
VALUE
val1
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UNIT
%
CAS NUMBER
7440-50-8
CRITERIA
Fe
VALUE
val1
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UNIT
%
CAS NUMBER
7439-89-6
CRITERIA
Mn
VALUE
val1
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UNIT
%
CAS NUMBER
7439-96-5
CRITERIA
Ni
VALUE
val1
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UNIT
%
CAS NUMBER
7440-02-0
CRITERIA
O
VALUE
val1
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UNIT
%
CAS NUMBER
7782-44-7; 17778-80-2
CRITERIA
P
VALUE
val1
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UNIT
%
CAS NUMBER
7723-14-0
CRITERIA
S
VALUE
val1
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UNIT
%
CAS NUMBER
7704-34-9
CRITERIA
Si
VALUE
val1
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UNIT
%
CAS NUMBER
7440-21-3
CRITERIA
Ti
VALUE
val1
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UNIT
%
CAS NUMBER
7440-32-6

Effects of heat treatment on corrosion fatigue and stress corrosion crack growth of additive-manufactured Alloy 800H in high-temperature water, Hawkins, L. R., He, L., Liu, X., Lou, X., Song, M., Yang, J, Elsevier, 2021

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Generic 800H Heat Treatments

  • Stress relief: 870 ℃ for 1 h in argon, followed by air cool.
    HIP + SA: Step 1: hot isostatic pressed for 4 h at 1204 ℃ and 14,500 psi in argon; Step 2: solution annealing at 1204 ℃ for 1 h, followed by water quench.
    Sensitization: 621 ℃ for 24 h in vacuum, followed by air cool.

Generic 800H Mechanical Properties

Temperature

PROPERTY / VALUE
Vickers Hardness (HV)
150.54 — 263.13
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  • -Cross References
  • 12Composition
  • 4Mechanical Properties
  • -Physical Properties
  • 1Heat Treatment
  • -Metallography
  • -Machinability
  • -Stress-Strain
  • -Formability
  • -Fatigue
  • -Fracture
  • -Creep
  • -Joints
  • -Coatings
  • -Dimensions
  • -Tribology
  • -Corrosion
  • -Ageing
  • -Weatherability
  • -Irradiation
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