Nickel · Nickel alloy · isotropic

Alloy 625 (UNS N06625)

Name: Alloy 625 (UNS N06625) — material properties (Special Metals INCONEL 625)
Creator: BadgerMecX

Special Metals INCONEL 625 · annealed, about 21 °C

Alloy 625 (UNS N06625) is a nickel alloy to Special Metals INCONEL 625. Its typical yield strength is 414 MPa. E = 207.5 GPa, ν = 0.278 (typical values).

Record: ni-625
Library: v1.1.0
Properties: 9
Sources: 1
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E · Young's modulus 207.5GPa typical^[1]

ν · Poisson's ratio 0.278– typical^[1]

f_y · Yield strength (R_eH / R_p0.2) 414MPa typical^[1]

f_u · Tensile strength (R_m) 827MPa typical^[1]

ρ · Density 8440kg/m³ typical^[1]

λ · Thermal conductivity 9.8W/(m·K) typical^[1]

c_p · Specific heat capacity 410J/(kg·K) typical^[1]

Elastic constants

isotropic

Symbol	Property	Value	Unit	Basis	Ref.
E	Young's modulus	207.5	GPa	typical	[1]
G	Shear modulus	81.4	GPa	typical	[1]
ν	Poisson's ratio	0.278	–	typical	[1]
K	Bulk modulus K = E / 3(1 − 2ν)	155.8	GPa	derived	—
λ_L	Lamé constant λ_L = Eν / (1 + ν)(1 − 2ν)	101.7	GPa	derived	—
c₀	Bar wave speed c₀ = √(E/ρ)	4958	m/s	derived	—

Physical, thermal and electrical

at 20 °C

Symbol	Property	Value	Unit	Basis	Ref.
ρ	Density	8440	kg/m³	typical	[1]
λ	Thermal conductivity	9.8	W/(m·K)	typical	[1]
c_p	Specific heat capacity	410	J/(kg·K)	typical	[1]
ρ_e	Electrical resistivity ⓘ 129 µΩ·cm	1.29	µΩ·m	typical	[1]
a	Thermal diffusivity a = λ / (ρ·c_p)	2.832	mm²/s	derived	—

Strength

a band applies up to and including its upper limit

Symbol	Property	Value	Unit	Basis	Ref.
f_y	Yield strength (R_eH / R_p0.2) ⓘ annealed rod, bar and plate	414 (414 – 655)	MPa	typical	[1]
f_u	Tensile strength (R_m) ⓘ annealed rod, bar and plate	827 (827 – 1034)	MPa	typical	[1]

Sources

every value names one

Special Metals, INCONEL alloy 625 technical bulletinCopies checked: 1

min product standard minimum char characteristic design code value for design typical datasheet or textbook derived worked out here, formula shown

Cite this page

for reports and papers

BadgerMecX Materials (2026). Alloy 625 (UNS N06625) — material properties, Special Metals INCONEL 625. Library v1.1.0, record ni-625. https://badgermecx.com/materials/ni-625/ (accessed 2026-10-08).

@misc{badgermecx_ni625,
  title  = {Alloy 625 (UNS N06625) -- material properties, Special Metals INCONEL 625},
  author = {{BadgerMecX Materials}},
  year   = {2026},
  note   = {Library v1.1.0, record ni-625},
  url    = {https://badgermecx.com/materials/ni-625/}
}

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