NCF800HTP Stainless Steels to D 3758 (2003)

NCF800HTP - Specification & Application

  • D 3758 (2003) - Seamless nickel-chromium-iron alloy pipes

Seamless nickel-chromium-iron alloy pipes

Chemical composition(wt.%) of NCF800HTP grade: to D 3758 (2003)

Elements Min.(≥) Max.(≤) Similar Remarks
C 0.05 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

NCF800HTP - Detail

Seamless nickel-chromium-iron alloy pipes

Mechanical properties of grade NCF800HTP D 3758 (2003)

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)
214 (≥) 549 (≥) 12 31 31 Solution and Aging, Annealing, Ausaging, Q+T,etc 314

Physical properties of grade NCF800HTP D 3758 (2003)

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
633 (≥) 798 (≥) 13 41 31 Solution and Aging, Annealing, Ausaging, Q+T,etc 133
Temp.
°C/°F
Creep strain limit
(10000h)
(Rp1,0) N/mm2
Creep rupture strength
(10000h)
(Rp1,0) N/mm2
495 189 993

Equivalent Products

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