A 1028 S42225 Stainless Steels to A 1028 (2009)

A 1028 S42225 - Specification & Application

  • A 1028 (2009) - Stainless Steel Bars for Compressor and Turbine Airfoils

Stainless Steel Bars for Compressor and Turbine Airfoils

Chemical composition(wt.%) of A 1028 S42225 grade: to A 1028 (2009)

Elements Min.(≥) Max.(≤) Similar Remarks
C - 0.22
Si - 0.40
Mn - 0.75
P - -
S - -
Ni - 0.75
Cr - 12.50
Al - -
Cu - -
Ti - -
Fe - remaining
N - -
Mo - 1.00
W - 1.00
V - 0.22

A 1028 S42225 - Detail

Stainless Steel Bars for Compressor and Turbine Airfoils

Mechanical properties of grade A 1028 S42225 A 1028 (2009)

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)
111 (≥) 185 (≥) 32 11 34 Solution and Aging, Annealing, Ausaging, Q+T,etc 212

Physical properties of grade A 1028 S42225 A 1028 (2009)

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
727 (≥) 222 (≥) 24 11 44 Solution and Aging, Annealing, Ausaging, Q+T,etc 443
Temp.
°C/°F
Creep strain limit
(10000h)
(Rp1,0) N/mm2
Creep rupture strength
(10000h)
(Rp1,0) N/mm2
265 133 365
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