INCONEL 625 (UNS N06625 / W.Nr.2.4856)

Inconel 625 (UNS N06625 / W.Nr.2.4856) products manufactured at our factory. High-quality, reliable Inconel 625 products for your industrial needs.

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  • INCONEL 625 (UNS N06625 / W.Nr.2.4856)

PRODUCTS DETAILS

Inconel 625 is composed primarily of nickel (58%), chromium (20-23%), molybdenum (8-10%), manganese (5%), and iron (3-5%). It also contains trace amounts of titanium, aluminum, cobalt, sulfur, and phosphorus. This combination of elements makes it resistant to oxidation and corrosion at high temperatures. Alloy 625 is a nickel-chromium alloy used for its high strength, excellent fabricability and outstanding corrosion resistance. Service temperatures can range from cryogenic to 980°C (1800°F). Alloy 625 strength is derived from the solid solution strengthening effect of molybdenium and niobium on its nickel-chromium matrix. Thus precipitation-hardening treatments are not required. This combination of elements also is responsible for superior resistance to a wide range of corrosive environments of unusual severity as well as to high-temperature effects such as oxidation and carburization. Inconel alloy 625 is a highly sought-after alloy due to its impressive mechanical properties. It has excellent fatigue strength, tensile strength, and a high degree of creep rupture under temperatures as high as 1500F. Furthermore, its stress corrosion cracking resistance and oxidation resistance make it suitable for many extreme applications. UNS N06625 also offers superior weldability and formability compared to many other similar materials – making it an ideal choice for parts that need to be deeply formed or complexly joined. All in all, Inconel 625 is an incredibly strong and versatile solution in the competitive world of metal alloys The behavior and chemical composition of this grade make it well suited for nuclear and aerospace applications.ASTM B444Alloy 625 (UNS N06625) Composition %
O.D O.D Toleracne W.T Tolerance
Inch mm %
1/8" +0.08/-0 +/-10
1/4" +/-0.10 +/-10
Up to 1/2" +/-0.13 +/-15
1/2" to 1-1/2" , excl +/-0.13 +/-10
1-1/2" to 3-1/2" , excl +/-0.25 +/-10
Note: The tolerance can be negotiated according to the customer's specific requirements
C Carbon Mn Manganese Si Silicon P Phosphorous Cr Chromium Nb+Ta Niobium-Tantalum Co Cobalt Mo Molybdenum Fe lron Al Aluminum Ti Titanium Ni Nickel
0.10 max 0.50 max 0.50 max 0.015 max 20.0-23.0 3.15-4.15 1.0 max 8.0-10.0 5.0 max 0.40 max 0.40 max 58.0 min
Maximum allowable pressure(unit: BAR)
Wall Thickness(mm)
    0.89 1.24 1.65 2.11 2.77 3.96 4.78
O.D(mm) 6.35 774 1125 1540        
9.53 497 713 982 1293      
12.7 366 521 712 937 1271    
19.05   339 459 597 806    
25.4   251 338 439 588 872 1080
31.8     268 346 461 679 837
38.1     222 286 381 558 685
50.8     165 213 282 410 501
Mechanical Properties 
Yield Strength 60 Ksi min
Tensile Strength 120 Ksi min
Elongation(2" min) 30%
The behavior and chemical composition of this grade make it well suited for nuclear and aerospace applications.

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