Z6CNNb18-10M Stainless Steels to NF A 32-055

Z6CNNb18-10M - Specification & Application

  • NF A 32-055 - Foundry products. Weldable cast steels for pressure vessels
  • NF A 32-060 - Foundry products - Cast steel and nickel alloy castings for pumps, valves and fittings (enclosures and internal components)
  • 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 Z6CNNb18-10M grade: to NF A 32-055

Elements Min.(≥) Max.(≤) Similar Remarks
C - 0.060
Si - 0.75
Mn - 2.00
P - 0.040
S - 0.015
Cr 17.00 19.00
Mo - -
Ni 9.00 11.00
N - 0.050
Nb 10×C 1.00

Z6CNNb18-10M - Detail

Foundry products. Austenitic and austeno-ferritic stainless cast steel

Mechanical properties of grade Z6CNNb18-10M NF A 32-055

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)
778 (≥) 242 (≥) 31 24 32 Solution and Aging, Annealing, Ausaging, Q+T,etc 111

Physical properties of grade Z6CNNb18-10M NF A 32-055

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
855 (≥) 945 (≥) 14 11 13 Solution and Aging, Annealing, Ausaging, Q+T,etc 442
Temp.
°C/°F
Creep strain limit
(10000h)
(Rp1,0) N/mm2
Creep rupture strength
(10000h)
(Rp1,0) N/mm2
987 336 279

Equivalent Products

We can customize the production of Z6CNNb18-10M grade, contact us for the best solution.
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