A 473 S21900 Stainless Steels to A 473 (2009)

A 473 S21900 - Specification & Application

  • A 473 (2009) - Stainless Steel Forgings

Stainless Steel Forgings

Chemical composition(wt.%) of A 473 S21900 grade: to A 473 (2009)

Elements Min.(≥) Max.(≤) Similar Remarks
C - 0.08
Si - 1.00
Mn 8.00 10.0
P - 0.06
S - 0.03
Cr 19.0 21.0
Ni 5.50 7.50
N 0.15 0.40

A 473 S21900 - Detail

A 473 S21900

Mechanical properties of grade A 473 S21900 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)
933 (≥) 415 (≥) 11 34 41 Solution and Aging, Annealing, Ausaging, Q+T,etc 342

Physical properties of grade A 473 S21900 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
482 (≥) 163 (≥) 13 21 11 Solution and Aging, Annealing, Ausaging, Q+T,etc 212
Temp.
°C/°F
Creep strain limit
(10000h)
(Rp1,0) N/mm2
Creep rupture strength
(10000h)
(Rp1,0) N/mm2
316 661 496

Equivalent Products

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