422 Stainless Steels to A 565/A 565M (2009)

422 - Specification & Application

  • A 565/A 565M (2009) - Martensitic Stainless Steel Bars for High-Temperature Service

Martensitic Stainless Steel Bars for High-Temperature Service

Chemical composition(wt.%) of 422 grade: to A 565/A 565M (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

422 - Detail

Martensitic Stainless Steel Bars for High-Temperature Service

Mechanical properties of grade 422 A 565/A 565M (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)
646 (≥) 283 (≥) 44 11 43 Solution and Aging, Annealing, Ausaging, Q+T,etc 141

Physical properties of grade 422 A 565/A 565M (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
725 (≥) 521 (≥) 32 13 31 Solution and Aging, Annealing, Ausaging, Q+T,etc 424
Temp.
°C/°F
Creep strain limit
(10000h)
(Rp1,0) N/mm2
Creep rupture strength
(10000h)
(Rp1,0) N/mm2
565 957 269
We can customize the production of 422 grade, contact us for the best solution.
sales@specificsteel.com