A 473 S32550 Stainless Steels to A 473 (2009)

A 473 S32550 - Specification & Application

  • A 473 (2009) - Stainless Steel Forgings

Stainless Steel Forgings

Chemical composition(wt.%) of A 473 S32550 grade: to A 473 (2009)

Elements Min.(≥) Max.(≤) Similar Remarks
C - 0.04
Mn - 1.50
Si - 1.00
P - 0.04
S - 0.03
Cr 24.00 27.00
Ni 4.50 6.50
Mo 2.00 4.00
N 0.10 0.25
Cu 1.50 2.50

A 473 S32550 - Detail

Stainless Steel Forgings

Mechanical properties of grade A 473 S32550 A 473 (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)
924 (≥) 351 (≥) 13 13 33 Solution and Aging, Annealing, Ausaging, Q+T,etc 241

Physical properties of grade A 473 S32550 A 473 (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
653 (≥) 351 (≥) 32 34 44 Solution and Aging, Annealing, Ausaging, Q+T,etc 234
Temp.
°C/°F
Creep strain limit
(10000h)
(Rp1,0) N/mm2
Creep rupture strength
(10000h)
(Rp1,0) N/mm2
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