Alloy 46 / UNS K94600
Grade: Alloy 46/UNS K94600/Nilo 46/Pernifer 46/FeNi46
Sheet/Plate: 0.3mm-150mm
Strip/Foil: 0.02mm-16mm
Pipe: 6mm*0.5mm-1200mm*100mm
Bar: Ф6mm – Ф600mm
Wire: Ф0.01mm – Ф6mm
Others: Forged Rings, Flanges, Elbows, Tees, Reducers etc.
Standard: ASTM/ASME/AMS
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Alloy 46 is a nickel-iron expansion alloy designed for controlled thermal expansion characteristics. It offers excellent dimensional stability and is widely used where matching expansion behavior with glass and ceramics is required.
Chemical Composition (wt.%):
| NICKEL (NI) | 46.0 |
| CHROMIUM(CR) | 0.10 |
| MANGANESE(MN) | 0.80 |
| SILICON (SI) | 0.30 |
| CARBON (C) | 0.05 |
| PHOSPHORUS (P) | 0.025 |
| SULFUR (S) | 0.025 |
| IRON | BALANCE |
Mechanical Properties:
| ANNEALED | 85,000 MAX |
| 1/4 HARD | 90,000 TO 115,000 |
| 1/2 HARD | 105,000 TO 125,000 |
| HARD | 120,000 MIN. |
Applications:
Electrical resistors
Hermetic and electronic tubes


Alloy 46 is a nickel-iron expansion alloy designed for controlled thermal expansion characteristics. It offers excellent dimensional stability and is widely used where matching expansion behavior with glass and ceramics is required.
Chemical Composition (wt.%):
| NICKEL (NI) | 46.0 |
| CHROMIUM(CR) | 0.10 |
| MANGANESE(MN) | 0.80 |
| SILICON (SI) | 0.30 |
| CARBON (C) | 0.05 |
| PHOSPHORUS (P) | 0.025 |
| SULFUR (S) | 0.025 |
| IRON | BALANCE |
Mechanical Properties:
| ANNEALED | 85,000 MAX |
| 1/4 HARD | 90,000 TO 115,000 |
| 1/2 HARD | 105,000 TO 125,000 |
| HARD | 120,000 MIN. |
Applications:
Electrical resistors
Hermetic and electronic tubes
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