ISO 23 Stainless Steels to ISO 15510 (2010)

ISO 23 - Specification & Application

  • ISO 15510 (2010) - Stainless steels -- Chemical composition
  • ISO 9328-7 (2011) - Steel flat products for pressure purposes - Technical delivery conditions - Part 7: Stainless steels
  • ISO/TS 15510 (2003) - Stainless steels - Chemical composition

Stainless steels - Chemical composition

Chemical composition(wt.%) of ISO 23 grade: to ISO 15510 (2010)

Elements Min.(≥) Max.(≤) Similar Remarks
C - 0.08
Si - 1.00
Mn - 2.00
P - 0.045
S - 0.030
Cr 16.50 18.50
Ni 10.50 13.50
Mo 2.00 2.50
N - -
Nb 10×C% 1.00

ISO 23 - Detail

Stainless steels - Chemical composition

Mechanical properties of grade ISO 23 ISO 15510 (2010)

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)
717 (≥) 558 (≥) 11 22 31 Solution and Aging, Annealing, Ausaging, Q+T,etc 143

Physical properties of grade ISO 23 ISO 15510 (2010)

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
598 (≥) 654 (≥) 24 42 23 Solution and Aging, Annealing, Ausaging, Q+T,etc 422
Temp.
°C/°F
Creep strain limit
(10000h)
(Rp1,0) N/mm2
Creep rupture strength
(10000h)
(Rp1,0) N/mm2
718 944 976

Equivalent Grade

Equivalent Products

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