NCF 800 HTP Stainless Steels to G 4903 (2008)

NCF 800 HTP - Specification & Application

  • G 4903 (2008) - Seamless nickel-chromium-iron alloy pipes

Seamless nickel-chromium-iron alloy pipes

Chemical composition(wt.%) of NCF 800 HTP grade: to G 4903 (2008)

Elements Min.(≥) Max.(≤) Similar Remarks
C 0.05 0.10
Si - 1.00
Mn - 1.50
P - 0.03
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 -

NCF 800 HTP - Detail

Seamless nickel-chromium-iron alloy pipes

Mechanical properties of grade NCF 800 HTP G 4903 (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)
759 (≥) 323 (≥) 43 31 24 Solution and Aging, Annealing, Ausaging, Q+T,etc 213

Physical properties of grade NCF 800 HTP G 4903 (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
587 (≥) 443 (≥) 24 24 12 Solution and Aging, Annealing, Ausaging, Q+T,etc 421
Temp.
°C/°F
Creep strain limit
(10000h)
(Rp1,0) N/mm2
Creep rupture strength
(10000h)
(Rp1,0) N/mm2
698 293 561

Equivalent Products

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