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Nickel Alloy 625 round bar
 
 

Nickel Alloy 625 with high strength and excellent corrosion resistance in aqueous media and oxidizing, carburizing environments

 

ALLOY 625 | 2.4856 - Data sheet

UNS N06625 | ASTM B 446 | AMS 5666 | AMS 5999 | NACE MR-0175

Alloy 625 is used due to its high strength and excellent corrosion resistance in aqueous media as well as in high temperature oxidizing and carburizing environments.  The high chromium and molybdenum content provides a high degree of pitting and crevice corrosion resistance to chloride-containing media such as seawater, neutral salts and salt solutions. The alloy is highly resistant to chloride stress corrosion cracking due to its high nickel content. The strength of Alloy 625 is derived from the matrix-strengthening effect of molybdenum and niobium, which means hardening heat treatments are unnecessary.  Alloy 625 retains its excellent ductility and toughness at cryogenic temperatures.  It also has excellent malleability and is easy to weld.

Product forms for ALLOY 625 | 2.4856

Round bars
Dimensions from 12,07 mm to 177,80 mm Diameter available in stock
  • 12,70 mm Ø
  • 16,00 mm Ø
  • 20,00 mm Ø
  • 25,00 mm Ø
  • 25,40 mm Ø
  • 30,00 mm Ø
  • 35,00 mm Ø
  • 40,00 mm Ø
  • 45,00 mm Ø
  • 50,00 mm Ø
  • 50,80 mm Ø
  • 60,00 mm Ø
  • 65,00 mm Ø
  • 70,00 mm Ø
  • 80,00 mm Ø
  • 90,00 mm Ø
  • 100,00 mm Ø
  • 110,00 mm Ø
  • 114,30 mm Ø
  • 127,00 mm Ø
  • 152,40 mm Ø
  • 165,10 mm Ø
  • 177,80 mm Ø
Coils
Sheets
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 | 2.4856

Seals and closures, piping and exhaust systems, motorsport exhaust systems, bellows and expansion joints, furnace equipment, valve components.

 

Characteristics ALLOY 625 | 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
Si max. 0,50
Al max. 0,40
Ti max. 0,40
C max. 0,10

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)

Yield strength min. 330 MPa
Tensile strength min. 730 MPa
Elongation min. 35%

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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Material cutting:

S+D METALS is more than just a stockist. Save time and a processing step by letting S+D METALS cut your coils, sheets, plates, and round bars to size according to your specifications in S+D METALS own machine park or by one of our capable partners. All this within the shortest time possible.

More details can be found here

Your contact

Julius Mönkeberg

Julius Mönkeberg
Product Manager Nickel and Cobalt Alloys
+49 4174 66 94-118
j.moenkeberg@sd-metals.com

Jan Gehrke

Jan Gehrke
Order processing, sales assistant nickel and cobalt alloys
+49 4174 66 94-213
j.gehrke@sd-metals.com