2618 Stainless Steels to SAE AMS A 22771C (2012)

2618 - Specification & Application

  • SAE AMS A 22771C (2012) - Aluminum Alloy Forgings, Heat Treated
  • SAE AMS 4132F (2008) - Aluminum Alloy, Die and Hand Forgings, Rolled Rings, and Forging Stock 2.3Cu - 1.6Mg - 1.1Fe - 1.0Ni - 0.18Si - 0.07Ti (2618-T61) Solution and Precipitation Heat Treated
  • SAE AMS QQ A 367D (2012) - Aluminum alloy forgings

Aluminum alloy forgings

Chemical composition(wt.%) of 2618 grade: to SAE AMS A 22771C (2012)

Elements Min.(≥) Max.(≤) Similar Remarks
C - 0.06
Si - 0.75
Mn - 0.75
P - -
S - -
Ni - 0.50
Cr 25.00 27.00
Al - -
Cu - 0.20
Ti - -
Fe - -
N - 0.04
Mo 0.75 1.50

2618 - Detail

Aluminum alloy forgings

Mechanical properties of grade 2618 SAE AMS A 22771C (2012)

Proof strength
Rp0.2 (MPa)
Tensile strength
Rm (MPa)
Impact energy
KV (J)
Elongation at fracture
A (%)
Reduction in cross section on fracture
Z (%)
As-Heat-Treated Condition Brinell hardness (HBW)
984 (≥) 163 (≥) 14 22 41 Solution and Aging, Annealing, Ausaging, Q+T,etc 234

Physical properties of grade 2618 SAE AMS A 22771C (2012)

Property Density
kg/dm3
Temperature T
°C/F
Specific heat
J / kgK
Thermal conductivity
W/mK
Electric resistance
µΩ·cm
Modulus of elasticity
kN/mm2
Expansion rate
132 (≥) 274 (≥) 33 14 24 Solution and Aging, Annealing, Ausaging, Q+T,etc 141
Temp.
°C/°F
Creep strain limit
(10000h)
(Rp1,0) N/mm2
Creep rupture strength
(10000h)
(Rp1,0) N/mm2
649 766 846

Equivalent Products

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