Z12C25 Stainless Steels to NF A 35-578

Z12C25 - Specification & Application

  • 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 Z12C25 grade: to NF A 35-578

Elements Min.(≥) Max.(≤) Similar Remarks
C - 0.12
Si - 0.75
Mn - 0.75
P - 0.035
S - 0.015
Cr 23.00 26.00
Mo - -
Ni - -

Z12C25 - Detail

Iron and steel. Stainless steel for high temperature application

Mechanical properties of grade Z12C25 NF A 35-578

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)
398 (≥) 199 (≥) 34 24 34 Solution and Aging, Annealing, Ausaging, Q+T,etc 311

Physical properties of grade Z12C25 NF A 35-578

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
236 (≥) 198 (≥) 11 31 11 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
257 326 729

Equivalent Grade

Equivalent Products

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