A2 Stainless Steels to ISO 15510 (2010)

A2 - Specification & Application

  • ISO 15510 (2010) - Stainless steels -- Chemical composition
  • ISO 16143-1 (2004) - Stainless steels for general purposes -- Part 1: Flat products
  • ISO 16143-2 (2004) - Stainless steels for general purposes -- Part 2: Semi-finished products, bars, rods and sections
  • ISO/TS 15510 (2003) - Stainless steels - Chemical composition

Stainless steels - Chemical composition

Chemical composition(wt.%) of A2 grade: to ISO 15510 (2010)

Elements Min.(≥) Max.(≤) Similar Remarks
C - 0.15
Si - 1.00
Mn 5.50 7.50
P - 0.045
S - 0.030
Cr 16.00 18.00
Ni 3.50 5.50
Mo - -
N 0.05 0.25

A2 - Detail

Stainless steels - Chemical composition

Mechanical properties of grade A2 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)
721 (≥) 883 (≥) 11 41 41 Solution and Aging, Annealing, Ausaging, Q+T,etc 231

Physical properties of grade A2 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
539 (≥) 128 (≥) 32 13 23 Solution and Aging, Annealing, Ausaging, Q+T,etc 111
Temp.
°C/°F
Creep strain limit
(10000h)
(Rp1,0) N/mm2
Creep rupture strength
(10000h)
(Rp1,0) N/mm2
573 885 965
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