30CD12 Air 9160/C Aviation and Aero Steel to AIR 9160 C

30CD12 Air 9160/C - Specification & Application

  • AIR 9160 C - wrought steels used in aeronautical constructions

wrought steels used in aeronautical constructions

Chemical composition(wt.%) of 30CD12 Air 9160/C grade: to AIR 9160 C

Elements Min.(≥) Max.(≤) Similar Remarks
C 0.28 0.35
Si 0.10 0.40
Mn 0.40 0.70
P - 0.025
S - 0.020
Cr 2.80 3.30
Ni - 0.30
Mo 0.30 0.50

30CD12 Air 9160/C - Detail

30CD12 Air 9160C wrought steels used in aeronautical constructions

Mechanical properties of grade 30CD12 Air 9160/C AIR 9160 C

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)
964 (≥) 691 (≥) 13 33 44 Solution and Aging, Annealing, Ausaging, Q+T,etc 421

Physical properties of grade 30CD12 Air 9160/C AIR 9160 C

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
525 (≥) 734 (≥) 33 22 33 Solution and Aging, Annealing, Ausaging, Q+T,etc 334
Temp.
°C/°F
Creep strain limit
(10000h)
(Rp1,0) N/mm2
Creep rupture strength
(10000h)
(Rp1,0) N/mm2
539 916 573

Equivalent Grade

Equivalent Products

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