Alloy 740
NickelAlloy 740 nickel alloy
Alloy 740 supplied by Shanxi Youte Steel (jlhsteel.net).
Chemical Composition (%)
| CR | 24 |
|---|---|
| CO | 15 |
| MO | 0.5 |
| TI | 1 |
| AL | 0.6 |
Chinese Standard
ASTM B637
Equivalent Grades
UNS N07740
Applications
Aerospace, chemical processing, marine, nuclear, heat resistance.
Available Forms
Bar, Plate, Sheet, Tube, Wire, Forging, Pipe
Uses
Nickel alloy with superb corrosion and high-temperature performance. Used in chemical processing, marine, heat-treat equipment and electronics.
Heat Treatment
Solution treated 1000–1200 °C and aged per alloy; many are used in the mill-annealed condition for corrosion service.
Precautions
Use matched filler and clean joint preparation; sulfur can cause hot cracking — avoid contact with lead/low-melting contaminants.
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