Z3CAT18 Stainless Steels to NF A 35-573

Z3CAT18 - Specification & Application

  • NF A 35-573 - Stainless steels for general purposes. Plates, wide strips and strips
  • NF A 35-578 - Iron and steel. Stainless steel for high temperature application

Iron and steel. Stainless steel for high temperature application

Chemical composition(wt.%) of Z3CAT18 grade: to NF A 35-573

Elements Min.(≥) Max.(≤) Similar Remarks
C - 0.030
Si - 0.75
Mn - 0.75
P - 0.030
S - 0.015
Cr 17.00 18.00
Mo - -
Ni - -
N - 0.025
Ti - 4(C+N)+0.20

Z3CAT18 - Detail

Iron and steel. Stainless steel for high temperature application

Mechanical properties of grade Z3CAT18 NF A 35-573

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)
729 (≥) 127 (≥) 32 43 42 Solution and Aging, Annealing, Ausaging, Q+T,etc 311

Physical properties of grade Z3CAT18 NF A 35-573

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
257 (≥) 161 (≥) 24 13 14 Solution and Aging, Annealing, Ausaging, Q+T,etc 414
Temp.
°C/°F
Creep strain limit
(10000h)
(Rp1,0) N/mm2
Creep rupture strength
(10000h)
(Rp1,0) N/mm2
148 576 623

Equivalent Grade

Equivalent Products

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