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AFNOR Z3CNDU25-07Az Details

Z3CNDU25-07Az Application:Steel tubes - Welded austenitic stainless and austenitic ferritic steel rolled tubes for pressure service - Dimensions, technical conditions for delivery

Category Type Grade Designations
Grades Stainless Steels Z3CNDU25-07Az France - AFNOR , 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

Chemical composition(wt.%) of Z3CNDU25-07Az grade: 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
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)
129 (≥) 276 (≥) 21 13 22 Solution and Aging, Annealing, Ausaging, Q+T,etc 143

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
195 (≥) 477 (≥) 13 43 32 Solution and Aging, Annealing, Ausaging, Q+T,etc 433
Temp.
°C/°F
Creep strain limit
(10000h)
(Rp1,0) N/mm2
Creep rupture strength
(10000h)
(Rp1,0) N/mm2
372 812 935

Z3CNDU25-07Az - Form of Supply

Product type Products Dimension Processes Deliver Status
Plates / Sheets Plates / Sheets 0.08-200mm(T)*W*L Forging, hot rolling and cold rolling Annealed, Solution and Aging, Q+T, ACID-WASHED, Shot Blasting
Steel Bar Round Bar, Flat Bar, Square Bar Φ8-1200mm*L Forging, hot rolling and cold rolling, Cast Black, Rough Turning, Shot Blasting,
Coil / Strip Steel Coil /Steel Strip 0.03-16.0x1200mm Cold-Rolled & Hot-Rolled Annealed, Solution and Aging, Q+T, ACID-WASHED, Shot Blasting
Pipes / Tubes Seamless Pipes/Tubes, Welded Pipes/Tubes OD:6-219mm x WT:0.5-20.0mm Hot extrusion, Cold Drawn, Welded Annealed, Solution and Aging, Q+T, ACID-WASHED

Cross Reference Table(Equivalent Grade)

Grade Standard Country Application
Z3CNDU25-07Az AFNOR France
Steel tubes - Welded austenitic stainless and austenitic ferritic steel rolled tubes for pressure service - Dimensions, technical conditions for delivery

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