Alloy 556
NickelAlloy 556 nickel alloy
Alloy 556 supplied by Shanxi Youte Steel (jlhsteel.net).
Chemical Composition (%)
| CR | 21 |
|---|---|
| MO | 2.5 |
| CO | 17 |
| W | 2 |
Chinese Standard
ASTM B435
Equivalent Standards
R30556
Equivalent Grades
UNS N155
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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