Nickel Alloy 625, Inconel® 625

Alloy 625 is a popular nickel-chromium alloy that offers users a high level of strength and ease of fabrication. Also sold by Continental Steel as Inconel® 625, alloy 625 is known for a number of different unique properties including:

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• Strength due to the addition of molybdenum and niobium
• Outstanding thermal fatigue strength
• Resistance to oxidation and a wide range of corrosive elements
• Ease of joining through all types of welding
• Handles a wide range of temperatures from cryogenic to °F (982°C)

Because of its versatility, a number of industries utilize alloy 625 including nuclear power production, marine/boating/undersea, and aerospace. Within these critical industries, you can find Nickel Alloy 625 and Inconel 625 in various applications including:

• Nuclear reactor cores and control-rod components
• Wire rope for cables and blades on Naval crafts such as gunboats and subs
• Oceanographic equipment
• Rings and tubing for environmental control systems
• Meets ASME code for Boiler and Pressure Vessels

In order to be considered alloy 625, an alloy must have a certain chemical composition which includes:

• Ni 58% min
• Cr 20-23%
• Fe 5% max
• Mo 8-10%
• Nb 3.15-4.15%
• Co 1% max
• Si .50 max
• P and S 0.15% max

Continental Steel is a distributor of Nickel Alloy 625 and Inconel 625 in pipe, tube, sheet, strip, plate, round bar, flat bar, forging stock, hexagon, wire, and extruded section. The mills we work with to supply customers with alloy 625 meet or exceed many of the leading industry standards including those from ASTM, ASME, SAE, AMS, ISO, DIN, EN, and BS.

Contact us to discuss your requirements of alloy 625 pipe. Our experienced sales team can help you identify the options that best suit your needs.

We stock and sell Nickel Alloy 625 and Inconel® 625 in Pipe, tube, sheet, strip, plate, round bar, flat bar, forging stock, hexagon, wire & extruded section.

ASTM B446 Scope: This specification covers nickel-chromium-molybdenum-columbium (UNS N), nickel-chromium-molybdenum-silicon alloy (UNS N), and nickel-chromium-molybdenum-tungsten alloy (UNS N) in the form of hot-worked rod and bar and cold-worked rod. The matreial shall conform to the required chemical composition for carbon, manganese, silicon, phosphorus, sulfur, chromium, columbium, tantalum, cobalt, molybdenum, iorn, aluminum, titanium, copper, nickel, tungsten, and nitrogen. The materials shall conform to the the heat treatment and room temperature tensile properties such as tensile strength, yield strength, and elongation. Dimensions of the alloys such as diameter, thickness, or width, length and straightness shall also be determined.

DISCLAIMER: The use of this information should be considered strictly voluntary. Information contained in this page or across the domain, may contain typographical errors and are for reference only. Information presented are purely generalizations and are not a substitution for ASTM specifications.

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