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AFNOR Z8NCTDV25-15BFF Details

Iron and steel. Stainless steel wire rods for cold forming

AFNOR Z8NCTDV25-15BFF Standard Download

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Z8NCTDV25-15BFF Application:Iron and steel. Stainless steel wire rods for cold forming
Category Type Grade Designations
Grades Stainless Steels Z8NCTDV25-15BFF France - AFNOR , NF A 35-577 - Iron and steel. Stainless steel wire rods for cold forming
Chemical composition(mass fraction)(wt.%)
Elements Min.(≥) Max.(≤) Similar Remarks
C - 0.080
Si - 1.00
Mn - 2.00
P - 0.020
S - 0.015
Cr 13.50 16.00
Mo 1.00 1.50
Ni 24.00 27.00
Ti 1.90 2.30
Al - 0.35
V 0.10 0.50
B 0.0050 0.0080
Mechanical properties of grade Z8NCTDV25-15BFF
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)
783 (≥) 297 (≥) 13 42 12 Solution and Aging, Annealing, Ausaging, Q+T,etc 321
Physical properties of grade Z8NCTDV25-15BFF
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
697 (≥) 179 (≥) 33 33 32 Solution and Aging, Annealing, Ausaging, Q+T,etc 343
Temp.
°C/°F
Creep strain limit
(10000h)
(Rp1,0) N/mm2
Creep rupture strength
(10000h)
(Rp1,0) N/mm2
986 351 442
Z8NCTDV25-15BFF Range of products
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
Z8NCTDV25-15BFF AFNOR France
Iron and steel. Stainless steel wire rods for cold forming