Inconel 625

UNS N06625EN 2.4856

Nickel-chromium-molybdenum alloy strengthened by niobium. Exceptional strength and corrosion resistance from cryogenic temperatures to 980 C without heat treatment.

  • Service from cryogenic to 980 C
  • Immune to chloride SCC
  • No post-weld heat treatment required

Available forms & sizes

FormSize range
Plates1.5 - 100 mm thk, up to 2500 mm wide
Seamless Pipes & Tubes1/2" - 24" NB, SCH 5S - SCH 160
Round Bars6 - 500 mm dia
Flanges1/2" - 48", 150# - 2500#
Fittings1/2" - 48", SCH 10S - SCH 160

Chemical composition (%)

ElementMinMax
Ni58.0-
Cr20.023.0
Mo8.010.0
Nb+Ta3.154.15
Fe-5.0

Mechanical properties

PropertyValueUnit
Yield Strength (0.2%)414 minMPa
Tensile Strength827 minMPa
Elongation30 min%

Physical properties

PropertyValueUnit
Density8.44g/cm3
Max Service Temperature980C

Typical applications

Flare tips and burner components
Subsea cladding and overlay
Sour service wellhead parts
Aerospace ducting