CHROMEL A Stainless Steels to SAE J 470 (1976)

CHROMEL A - Specification & Application

  • SAE J 470 (1976) - Wrought nickel and nickel-related alloys

Wrought nickel and nickel-related alloys

Chemical composition(wt.%) of CHROMEL A grade: to SAE J 470 (1976)

Elements Min.(≥) Max.(≤) Similar Remarks
C - 0.15
Si - 0.25
Mn - 0.25
P - -
S - -
Ni - remaining
Cr 9.00 11.00
Al - -
Cu - -
Ti - -
Fe - 0.50
Mo - -
Co - -
B 0.003 0.015

CHROMEL A - Detail

Wrought nickel and nickel-related alloys

Mechanical properties of grade CHROMEL A SAE J 470 (1976)

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)
626 (≥) 724 (≥) 22 32 13 Solution and Aging, Annealing, Ausaging, Q+T,etc 314

Physical properties of grade CHROMEL A SAE J 470 (1976)

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
568 (≥) 814 (≥) 41 14 43 Solution and Aging, Annealing, Ausaging, Q+T,etc 223
Temp.
°C/°F
Creep strain limit
(10000h)
(Rp1,0) N/mm2
Creep rupture strength
(10000h)
(Rp1,0) N/mm2
467 781 691

Equivalent Products

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