Z3CNDU25-07Az Stainless Steels to NF A 35-573

Z3CNDU25-07Az - Specification & Application

  • NF A 35-573 - Stainless steels for general purposes. Plates, wide strips and strips
  • NF A 35-574 - Iron and steel. Stainless steel for general purposes. Semi- finished products, bars and wire rod
  • NF A 36-209 - Iron and steel. Austenitic and austenic-ferritic stainless steels plates for boilers and pressure vessels
  • NF A 49-244 - Steel tubes - Welded austenitic stainless and austenitic ferritic steel rolled tubes for pressure service - Dimensions, technical conditions for delivery

Steel tubes - Welded austenitic stainless and austenitic ferritic steel rolled tubes for pressure service - Dimensions, technical conditions for delivery

Chemical composition(wt.%) of Z3CNDU25-07Az grade: to NF A 35-573

Elements Min.(≥) Max.(≤) Similar Remarks
C - 0.030
Si - 0.75
Mn - 2.00
P - 0.035
S - 0.010
Cr 24.00 26.00
Mo 2.70 3.90
Ni 5.50 7.50
N 0.14 0.25
Cu 1.00 2.00

Z3CNDU25-07Az - Detail

Steel tubes - Welded austenitic stainless and austenitic ferritic steel rolled tubes for pressure service - Dimensions, technical conditions for delivery

Mechanical properties of grade Z3CNDU25-07Az 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)
439 (≥) 291 (≥) 11 13 11 Solution and Aging, Annealing, Ausaging, Q+T,etc 224

Physical properties of grade Z3CNDU25-07Az 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
623 (≥) 768 (≥) 41 43 32 Solution and Aging, Annealing, Ausaging, Q+T,etc 332
Temp.
°C/°F
Creep strain limit
(10000h)
(Rp1,0) N/mm2
Creep rupture strength
(10000h)
(Rp1,0) N/mm2
651 416 157

Equivalent Grade

Equivalent Products

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