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Inconel™ 25-6MO Material Property Data Sheet

Do you need custom fasteners created with Inconel™ 25-6MO? Since our inception, Vegas Fastener Manufacturing has met every challenge of providing Quality, Timely, Cost-effective solutions for specialty fastener applications. Every product is built to your specifications, using your prints if necessary.

Below are the technical specifications of the Inconel™ 25-6MO Bar Stock we have available to meet your needs.

Component    Wt. % Component    Wt. %
Nickela 24.0-26.0%   Iron Balance*  
Chromium 19.0-21.0%   Molybdenum 6.0-7.0%  
Copper 0.5-1.5%   Nitrogen 0.15-0.25%  
Carbon 0.02% max   Manganese 2.0% max  
Phosphorus 0.03% max   Sulfur 0.03% max  
Silicon 0.5% max    

Material Notes:
INCOLOY® alloy 25-6MO (UNS N08926/W. Nr. 1.4529, formerly UNS N08925) is a super-austenitic stainless steel containing 6% molybdenum and enhanced by an addition of nitrogen. The nickel and chromium contents of this alloy make it resistant to a wide range of corrosive environments. The alloy is especially resistant to non-oxidizing acids such as sulfuric and phosphoric. The high molybdenum content and nitrogen provide resistance to pitting and crevice corrosion, while copper enhances resistance to sulfuric acid.


Physical PropertiesMetric EnglishComments
Density 8.03 g/cm3 0.290 lb/in³  
Melting Range 2410-2550 oF 1320-1400 oC 

Mechanical Properties
Tensile Strength 100 Ksi690 MPa
Elongation at Break42 %  Elongation in 2 in (50 mm) or 4D min, %
HardnessRb 86