INCONEL® Alloy 625LCF®

2.4856 / UNS N06625 / N06626

A nickel-chromium-molybdenum alloy that was developed to have excellent fatigue resistance especially for bellows applications.  As with the widely known alloy 625 it has excellent resistance to oxidation and corrosion in a range of environments and conditions.  Alloy 625 LCF has a restricted composition and melting and processing of this alloy is closely controlled to provide a sheet product with optimum resistance to low-cycle and thermal fatigue at temperatures up to 650°C (1200°F). It finds application for flexible coupling bellows in both the automotive and aerospace sectors and expansion joints in various types of process piping.  

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Stock program

  • 0.5 mm
  • 0.6 mm
  • 0.7 mm
  • 0.8 mm
  • 0.9 mm
  • 1.0 mm
  • 1.2 mm
  • 1.5 mm
  • 1.6 mm
  • 2.0 mm

Details at a glance

Chemical composition

Ni
min. 58.00 %
Cr
20.00 - 23.00 %
Mo
8.00 - 10.00 %
Nb¹
3.15 - 4.15 %
Fe
max. 5.00 %
C
max. 0.03 %
Mn
max. 0.50 %
Si
max. 0.15 %
S
max. 0.015 %
Al
max. 0.40 %
Ti
max. 0.40 %
P
max. 0.015 %
Co
max. 1.0 %
N
max. 0.02 %
¹ Plus Ta

Density

g/cm³
8.44
lb/in³
0.305

Recommended Welded Products

Electrode
INCONEL 112
Filler Metal
INCONEL 625

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