ALLOY 925 / INCOLOY 925

  • N09925
  • N/A

ALLOY 925 / INCOLOY 925

With the additions of molybdenum, copper, titanium and aluminium Alloy 925 / Incoloy 925 is an age hardenable nickel-iron-chromium alloy, providing a combination of high strength and excellent corrosion resistance. 

Key properties

(in annealed condition)
Tensile strength: 172.50–172.50
Yield strength: 120.40–120.40
Elongation: 27.00–27.00%
Hardness: 336.00–336.00

Ni

38.00-46.00%

Fe

22.00% min

Cr

19.50-23.50%

Mo

2.50-3.50%

Ti

1.90-2.40%

Cu

1.50-3.00%

Mn

1.00% max

Si

0.50% max

Nb

0.50% max

Al

0.10-0.50%

C

0.03% max

S

0.03% max

INVENTORY

Product form Size range from Size range to
Alloy 925 pipe 0.5 in 8 in
Alloy 925 tube 12 mm 260 mm
Alloy 925 pipe fittings 0.5 in 8 in
Alloy 925 flanges 0.5 in 8 in
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APPLICATIONS

Chemical_Processing

Alloy 925 can be used in a variety of applications

  • ownhole equipment for corrosive/sour service such as valves, hangers, tool joints and packers
  • Marine and pump shafts
  • High strength fasteners
  • Chemical process industry components

 

ABOUT ALLOY 925 / INCOLOY 925

Sufficient nickel content in Incoloy Alloy 925 provides protection against chloride-ion stress-corrosion cracking whilst in conjunction with the added molybdenum and copper resistance to reducing chemicals is enjoyed. Molybdenum additionally aids resistance to pitting and crevice corrosion whilst Chromium offers resistance to oxidizing environments. During heat treatment a strengthening reaction is caused by the addition of titanium and aluminium.

Application requiring a combination of high strength and corrosion resistance may consider INCOLOY® 925. Resistance to sulfide stress cracking and stress-corrosion cracking in "sour" crude oil and natural gas environments means that it is used for down-hole and surface gas-well components as well as finding uses in marine and pump shafts or high-strength piping systems.

To learn more about our stock of Alloy 925 pipe and tube contact us, or fill in our online quote request form and one of our team will get back to you.

Properties of Alloy 925

DENSITY    8.08 g/cm³ | 0.292 lb/in³
MELTING POINT 1311-1366°C | 2392-2490°F

ALLOY 925 MECHANICAL PHYSICAL PROPERTIES

Property    
Tensile Strength  172.5 ksi 1189 MPa
Elongation, 5.65√S0 and 4D 27%  
Reduction of Area 25% min.  
Hardness  26 HRC min. 38 HRC max.
Impact Strength(-60oC) Longitudinal 4.85 kgf.m 35 ft.lb av (32 ft.lb min)

Alloy 925 Specifications

UNS Number N09925
WNR Number None
Standards -

Welding Consumables

WELDING ELECTRODES  
FILLERS INCO-WELD® filler metal 725NDUR®
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