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Nickel Alloy 625 LCF® strip rolled up

Nickel Alloy 625 LCF®, Alloy 625 HP® with fine-grained structure optimized in terms of formability and fatigue resistance.


Alloy 625 LCF® | HP® | 2.4856 - Data sheet

UNS N06626 | AMS 5879 | 2.4856

INCONEL Alloy 625LCF and ATI 625HP are variants of Alloy 625 with the same basic chemistry but with tighter control of the C, Si, and N content to ensure lower values, which is achieved through vacuum induction melting. When combined with careful thermal and mechanical processing, it yields a fine-grained microstructure optimized for formability and fatigue resistance. These variants offer up to 100 times the lifespan of a conventional Alloy 625.

Product forms for ALLOY 625 LCF | HP | 2.4856

Dimensions from 0,50 mm to 2,00 mm Thickness available in stock
  • 0,50 mm
  • 0,70 mm
  • 0,80 mm
  • 1,00 mm
  • 1,20 mm
  • 1,60 mm
  • 2,00 mm

Areas of application for ALLOY 625 LCF | HP | 2.4856

Due to its longer lifespan, Alloy 625 LCF is ideally suited for use in motorsport exhaust systems as well as in bellows and expansion joints.


Characteristics ALLOY 625 LCF | HP | 2.4856

Chemical composition - limits in %

Ni min. 58,00
Cr 20,00 - 23,00
Mo 8,00 - 10,00
Fe max. 5,00
Nb 3,15 - 4,15
Mn max. 0,50
Al max. 0,40
Ti max. 0,40
Si max. 0,15
C max. 0,03
N max. 0,02

Physical constants and thermal properties

Density 8,44 g/cm³
Melting point 1290-1350 °C
Thermal conductivity 9,8 W/m · °C
Coefficient of expansion
at 21 - 93°C
12,8 μm/m · °C

Typical mechanical properties (room temperature, according to AMS 5879)

Yield strength min. 415 MPa
Tensile strength min. 825 MPa
Elongation min. 40%

INCONEL Alloy 625LCF and ATI 625 HP are trademarks of Special Metals Corporation and ATI, respectively.

All information is subject to change without notice. The properties correspond to the material in the heading. They may vary for other specifications. Please contact us for more details.



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Your contact

Julius Mönkeberg

Julius Mönkeberg
Product Manager Nickel and Cobalt Alloys
+49 4174 66 94-118

Jacob Schmidt

Jacob Schmidt
Sales Nickel and Cobalt Alloys
+49 4174 66 94-217