NCF 80A Stainless Steels to G 4902 (1991)

NCF 80A - Specification & Application

  • G 4902 (1991) - Corrosion-resisting and heat-resisting superalloy plates and sheets

Corrosion-resisting and heat-resisting superalloy plates and sheets

Chemical composition(wt.%) of NCF 80A grade: to G 4902 (1991)

Elements Min.(≥) Max.(≤) Similar Remarks
C 0.04 0.10
Si - 1.00
Mn - 1.00
P - 0.03
S - 0.015
Cr 18.00 21.00
Ni remaining -
Cu - 0.20
Al 1.00 1.80
Ti 1.80 2.70
Fe - -

NCF 80A - Detail

Corrosion-resisting and heat-resisting superalloy plates and sheets

Mechanical properties of grade NCF 80A G 4902 (1991)

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)
527 (≥) 234 (≥) 14 23 21 Solution and Aging, Annealing, Ausaging, Q+T,etc 331

Physical properties of grade NCF 80A G 4902 (1991)

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
879 (≥) 398 (≥) 14 31 41 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
583 718 549

Equivalent Grade

Equivalent Products

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