Z8CN25-20M Stainless Steels to NF A 32-056

Z8CN25-20M - Specification & Application

  • NF A 32-056 - Foundry products. Austenitic and austeno-ferritic stainless cast steel

Foundry products. Austenitic and austeno-ferritic stainless cast steel

Chemical composition(wt.%) of Z8CN25-20M grade: to NF A 32-056

Elements Min.(≥) Max.(≤) Similar Remarks
C - 0.080
Si - 0.75
Mn - 2.00
P - 0.040
S - 0.015
Cr 24.00 26.00
Mo - -
Ni 19.00 21.00

Z8CN25-20M - Detail

Foundry products. Austenitic and austeno-ferritic stainless cast steel

Mechanical properties of grade Z8CN25-20M NF A 32-056

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)
821 (≥) 491 (≥) 43 23 23 Solution and Aging, Annealing, Ausaging, Q+T,etc 431

Physical properties of grade Z8CN25-20M NF A 32-056

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
554 (≥) 197 (≥) 13 32 23 Solution and Aging, Annealing, Ausaging, Q+T,etc 314
Temp.
°C/°F
Creep strain limit
(10000h)
(Rp1,0) N/mm2
Creep rupture strength
(10000h)
(Rp1,0) N/mm2
348 841 234

Equivalent Products

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