Alloy 625 Seamless Nickel Pipe

Alloy 625 nickel pipe is made from a nickel-chromium-molybdenum alloy with an addition of niobium. High strength and toughness from cryogenic temperatures to 1800 F. Good oxidation resistance, exceptional fatigue strength, and good resistance to many corrosives.

Typical applications include chemical processing, aerospace and marine engineering, pollution control equipment, and nuclear reactors.

Stock Size Range:

1/2" through 4"
Schedule 10 through Schedule 80

Specifications: ASTM B444, ASME SB444

Typical Chemical Composition %
Nickel 58.0 min
Molybdenum 8.0-10.0
Nb 3.15-4.15
Iron 5.0 max
Silicon 0.50max
Sulfur 0.015 max
Carbon 0.10 max
Manganese 0.50 max
Al 0.40 max
Cr 20.0-23.0
Ti 0.40 max
P 0.015 max
Cobalt 1.0 max
Typical Mechanical Properties
Solution Annealed  
Yield Strength (0.2% offset) 40 ksi min
Tensile Strength 100 ksi min
Elongation % in 2 inches 30
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