NCF825 Stainless Steels to D 3531 (2007)

NCF825 - Specification & Application

  • D 3531 (2007) - Corrosion - resisting and heat - resisting superalloy bars
  • D 3532 (2002) - Corrosion - resisting and heat - resisting superalloy plates and sheets

Corrosion - resisting and heat - resisting superalloy plates and sheets

Chemical composition(wt.%) of NCF825 grade: to D 3531 (2007)

Elements Min.(≥) Max.(≤) Similar Remarks
C - 0.05
Si - 0.50
Mn - 1.00
P - 0.030
S - 0.015
Cr 19.50 23.00
Ni 38.00 46.00
Cu 1.50 3.50
Al - 0.20
Ti 0.60 1.20
Fe - remaining
Mo 2.50 3.50

NCF825 - Detail

Corrosion - resisting and heat - resisting superalloy plates and sheets

Mechanical properties of grade NCF825 D 3531 (2007)

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)
652 (≥) 752 (≥) 44 24 11 Solution and Aging, Annealing, Ausaging, Q+T,etc 314

Physical properties of grade NCF825 D 3531 (2007)

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
294 (≥) 982 (≥) 14 13 23 Solution and Aging, Annealing, Ausaging, Q+T,etc 324
Temp.
°C/°F
Creep strain limit
(10000h)
(Rp1,0) N/mm2
Creep rupture strength
(10000h)
(Rp1,0) N/mm2
881 491 688

Equivalent Products

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