AISI 8615 Alloy Steel (UNS G86150)

Topics Covered

Chemical Composition
Physical Properties
Mechanical Properties
Other Designations


Alloy steels, which are designated by AISI four-digit numbers, are more susceptible to heat and mechanical treatments than carbon steels. They comprise different kinds of steels having compositions which exceed the limitations of Va, Cr, Si, Ni, Mo, C and B in the carbon steels.

The following datasheet will give an overview of AISI 8615 alloy steel.

Chemical Composition

The chemical composition of AISI 8615 alloy steel is listed in the following table.

Element Content (%)
Iron, Fe
Manganese, Mn 0.70-0.90
Nickel, Ni 0.40-0.70
Chromium, Cr 0.40-0.60
Phosphorous, P 0.035 (max)
Silicon, Si 0.15-0.30
Molybdenum, Mo 0.15-0.25
Carbon, C 0.13-0.18
Sulfur, S 0.04 (max)

Physical Properties

The following table shows the physical properties of AISI 8615 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 8615 alloy steel are outlined in the following table.

Properties Metric Imperial
Modulus of elasticity 190-210 GPa 27557-30458 ksi
Poissons ratio 0.27 – 0.30 0.27-0.30

Other Designations

Other designations that are equivalent to AISI 8615 alloy steel include the following:

  • AMS 6270
  • AMS 6270G
  • AMS 5333
  • ASTM A29 (8615)
  • ASTM A322 (8615)
  • ASTM A331 (8615)
  • ASTM A506 (8615)
  • ASTM A507 (8615)
  • ASTM A519 (8615)
  • ASTM A752 (8615)
  • ASTM A829
  • ASTM A505
  • SAE J1397 (8615)
  • SAE J770

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