Inconel 625 Alloy (UNS N06625) Sheet and Plate

Inconel 625 is a nickel-chromium-molybdenum alloy with niobium added. The addition of molybdenum acts with the niobium to stiffen the alloy matrix, offering a high strength without a strengthening heat treatment.

A broad range of severely corrosive environments are resisted by A625 and it is resistant to crevice corrosion and pitting. It has high durability and toughness in the temperature range cryogenic to 2000°F. It also has high fatigue strength and stress-corrosion tracking resistance to chloride ions.


The composition of Inconel 625 is provided in the table below. Its UNS number is N06625.

Element Percentage
Nickel, Ni 58
Chromium, Cr 21.5
Molybdenum, Mo 9.0
Manganese, Mn 0.5
Carbon, C 0.10
Silicon, Si 0.50
Iron, Fe 5.0


Inconel 625 complies to the standards AMS 5599, ASTM-B-443, UNS N06625, UNS N06626, AMS 5879, ASTM B 443/ASTM SB 443, AMS 5599 & 5869 & MAM 5599, ISO 6208, BS 3072NA21, EN 10095, DIN 17750 and ASME Code Case 1935

Stock Size thickness is 0.016"~3.00"

Standard width & length is 36" X 120" or 48" X 144


The applications of Inconel 625 are in the following sectors:

  • Chemical process industry
  • Marine engineering
  • Pollution control equipment and
  • Nuclear industries.

Typical applications include furnace hardware, combustion liners, gas turbine engine ducting, spray bars, special seawater applications, chemical plant hardware and spray bars.

About California Metal & Supply

California Metal & Supply stocks and distributes hard to find aerospace and aircraft metals. Their specialty is supplying Inconel / Nickel, Titanium, Super Alloys,A286, Aluminum, Stainless 13-8 15-5 17-4 17-7 , 4130, Invar / Kovar, Magnesium sheets, plates, bars, tube & tubing products. California Metal & Supply serve major industries such as aerospace, defense, energy, oil & gas, construction, heat-exchanger, compressor, pressure vessel, chemical & petrochemical, automotive, marine, pharmaceutical, and food & beverage processing.


  • Same Day/ Next Day Shipping
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  • Worldwide Supplier to Fortune 500 Companies
  • Small and Medium-Sized Businesses
  • US Government Agencies

This information has been sourced, reviewed and adapted from materials provided by California Metal & Supply.

For more information on this source, please visit California Metal & Supply.


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