NCF690TP Stainless Steels to D 3758 (2003)

NCF690TP - Specification & Application

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

Seamless nickel-chromium-iron alloy pipes

Chemical composition(wt.%) of NCF690TP grade: to D 3758 (2003)

Elements Min.(≥) Max.(≤) Similar Remarks
C - 0.05
Si - 0.50
Mn - 0.50
P - 0.030
S - 0.015
Cr 27.00 31.00
Ni 58.00 -
Cu - 0.50
Al - -
Ti - -
Fe - -

NCF690TP - Detail

Seamless nickel-chromium-iron alloy pipes

Mechanical properties of grade NCF690TP 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)
563 (≥) 788 (≥) 41 32 23 Solution and Aging, Annealing, Ausaging, Q+T,etc 211

Physical properties of grade NCF690TP 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
821 (≥) 257 (≥) 41 13 21 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
555 175 234

Equivalent Products

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