AISI 8822 Alloy Steel (UNS G88220)

Topics Covered

Chemical Composition
Physical Properties
Mechanical Properties
Other Designations


Alloy steels comprise many types of steels whose compositions exceed the limitations of C, Mo, Cr, Va, Mn, Ni, Si, and B allocated for carbon steels. These steels are more responsive to mechanical and heat treatments than carbon steels.

The following datasheet will provide details about AISI 8822 alloy steel.

Chemical Composition

The chemical composition of AISI 8822 alloy steel is outlined in the following table.

Element Content (%)
Iron, Fe
Manganese, Mn 0.75-1.00
Nickel, Ni 0.40-0.70
Chromium, Cr 0.40-0.60
Molybdenum, Mo 0.30-0.40
Carbon, C 0.20-0.25
Silicon, Si 0.15-0.30
Sulfur, S 0.04 (max)
Phosphorus, P 0.035 (max)

Physical Properties

The following table shows the physical properties of AISI 8822 alloy steel.

Properties Metric Imperial
Density 7.7-8.03 g/cm3 0.278-0.290 lb/in3

Mechanical Properties

The mechanical properties of AISI 8822alloy steel are displayed in the following table.

Properties Metric Imperial
Elastic modulus 190-210 GPa 27557-30458 ksi
Poisson's ratio 0.27-0.30 0.27-0.30

Other Designations

Equivalent materials to AISI 8822alloy steel are as follows:

  • DIN 1.6643
  • B.S. 805 A 20
  • ASTM A322
  • ASTM A331
  • ASTM A519
  • SAE J404
  • SAE J770
  • ASTM A29
  • SAE J1397

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