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