Z8CNNb18-10 Stainless Steels to NF A 35-578

Z8CNNb18-10 - 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 Z8CNNb18-10 grade: to NF A 35-578

Elements Min.(≥) Max.(≤) Similar Remarks
C - 0.08
Si - 0.75
Mn - 2.00
P - 0.040
S - 0.015
Cr 17.00 19.00
Mo 9.00 11.00
Ni - -
Nb 10×C 1.00

Z8CNNb18-10 - Detail

Iron and steel. Stainless steel for high temperature application

Mechanical properties of grade Z8CNNb18-10 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)
854 (≥) 367 (≥) 12 43 41 Solution and Aging, Annealing, Ausaging, Q+T,etc 331

Physical properties of grade Z8CNNb18-10 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
914 (≥) 522 (≥) 13 21 44 Solution and Aging, Annealing, Ausaging, Q+T,etc 311
Temp.
°C/°F
Creep strain limit
(10000h)
(Rp1,0) N/mm2
Creep rupture strength
(10000h)
(Rp1,0) N/mm2
925 135 571

Equivalent Grade

Equivalent Products

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