ISO 8 Stainless Steels to ISO 15510 (2010)

ISO 8 - 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 16143-3 (2005) - Stainless steels for general purposes -- Part 3: Wire
  • ISO 4955 (2005) - Heat-resistant steels
  • ISO 6931-2 - Stainless steels for springs - Part 2: Narrow strip
  • ISO/TS 15510 (2003) - Stainless steels - Chemical composition

Stainless steels - Chemical composition

Chemical composition(wt.%) of ISO 8 grade: to ISO 15510 (2010)

Elements Min.(≥) Max.(≤) Similar Remarks
C - 0.03
Si - 1.00
Mn - 1.00
P - 0.040
S - 0.030
Cr 16.00 18.00
Ni - -
Mo - -
N - -

ISO 8 - Detail

Stainless steels - Chemical composition

Mechanical properties of grade ISO 8 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)
985 (≥) 768 (≥) 31 11 43 Solution and Aging, Annealing, Ausaging, Q+T,etc 342

Physical properties of grade ISO 8 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
944 (≥) 842 (≥) 11 44 43 Solution and Aging, Annealing, Ausaging, Q+T,etc 433
Temp.
°C/°F
Creep strain limit
(10000h)
(Rp1,0) N/mm2
Creep rupture strength
(10000h)
(Rp1,0) N/mm2
881 876 474

Equivalent Grade

Equivalent Products

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