NCF800 Stainless Steels to D 3531 (2007)

NCF800 - Specification & Application

  • D 3531 (2007) - Corrosion - resisting and heat - resisting superalloy bars
  • D 3532 (2002) - Corrosion - resisting and heat - resisting superalloy plates and sheets
  • D 3749 (2008) - Special alloys steel for chemical plant

Special alloys steel for chemical plant

Chemical composition(wt.%) of NCF800 grade: to D 3531 (2007)

Elements Min.(≥) Max.(≤) Similar Remarks
C - 0.10
Si - 1.00
Mn - 1.50
P - 0.030
S - 0.015
Cr 19.00 23.00
Ni 30.00 35.00
Cu - 0.75
Al 0.15 0.60
Ti 0.15 0.60
Fe - remaining

NCF800 - Detail

Special alloys steel for chemical plant

Mechanical properties of grade NCF800 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)
233 (≥) 742 (≥) 23 31 33 Solution and Aging, Annealing, Ausaging, Q+T,etc 133

Physical properties of grade NCF800 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
764 (≥) 458 (≥) 43 23 11 Solution and Aging, Annealing, Ausaging, Q+T,etc 242
Temp.
°C/°F
Creep strain limit
(10000h)
(Rp1,0) N/mm2
Creep rupture strength
(10000h)
(Rp1,0) N/mm2
445 625 842

Equivalent Products

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