NCF 80A Stainless Steels to G 4901 (2008)

NCF 80A - Specification & Application

  • G 4901 (2008) - Corrosion-resisting and heat-resisting superalloy bars

Corrosion-resisting and heat-resisting superalloy bars

Chemical composition(wt.%) of NCF 80A grade: to G 4901 (2008)

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 bars

Mechanical properties of grade NCF 80A G 4901 (2008)

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)
283 (≥) 156 (≥) 42 31 21 Solution and Aging, Annealing, Ausaging, Q+T,etc 133

Physical properties of grade NCF 80A G 4901 (2008)

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
157 (≥) 268 (≥) 32 44 22 Solution and Aging, Annealing, Ausaging, Q+T,etc 312
Temp.
°C/°F
Creep strain limit
(10000h)
(Rp1,0) N/mm2
Creep rupture strength
(10000h)
(Rp1,0) N/mm2
269 694 972

Equivalent Grade

Equivalent Products

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