D6AC Stainless Steels to SAE AMS 6432C (1973)

D6AC - Specification & Application

  • SAE AMS 6432C (1973) - Steel Bars, Forgings, and Tubing 1.05Cr - 0.55Ni - 1.0Mo - 0.12V (0.43 - 0.49C)

Steel Bars, Forgings, and Tubing 1.05Cr - 0.55Ni - 1.0Mo - 0.12V (0.43 - 0.49C)

Chemical composition(wt.%) of D6AC grade: to SAE AMS 6432C (1973)

Elements Min.(≥) Max.(≤) Similar Remarks
C - 0.47
Si - 0.22
Mn - 0.75
P - -
S - -
Ni - 0.55
Cr - 1.05
Al - -
Cu - -
Ti - -
Fe - remaining
Mo - 1.00
Co - -
V - 0.10

D6AC - Detail

Steel Bars, Forgings, and Tubing 1.05Cr - 0.55Ni - 1.0Mo - 0.12V (0.43 - 0.49C)

Mechanical properties of grade D6AC SAE AMS 6432C (1973)

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)
356 (≥) 776 (≥) 41 42 42 Solution and Aging, Annealing, Ausaging, Q+T,etc 442

Physical properties of grade D6AC SAE AMS 6432C (1973)

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
144 (≥) 621 (≥) 12 24 22 Solution and Aging, Annealing, Ausaging, Q+T,etc 132
Temp.
°C/°F
Creep strain limit
(10000h)
(Rp1,0) N/mm2
Creep rupture strength
(10000h)
(Rp1,0) N/mm2
364 974 243

Equivalent Products

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