Product Description
Alloy 46 (NILO 46 / Pernifer 46) is a controlled-expansion nickel-iron binary alloy containing 46% nickel, engineered to maintain a predictable, near-constant coefficient of thermal expansion up to approximately 400 degrees Celsius.
Chemical Composition Data
| Element | Minimum Value | Maximum Value | Nominal / Role |
| Nickel | 45.00 | 47.00 | Core controlled-expansion element |
| Iron | 51.00 | 54.50 | Balance base element |
| Manganese | 0.00 | 0.80 | Processing additive / deoxidizer |
| Silicon | 0.00 | 0.30 | Processing additive |
| Carbon | 0.00 | 0.05 | Impurity limit |
| Chromium | 0.00 | 0.25 | Impurity limit |
| Phosphorus | 0.00 | 0.025 | Impurity limit |
| Sulfur | 0.00 | 0.025 | Impurity limit |
| Cobalt | 0.00 | 0.50 | Residual element limit |
Material & Standard Specification Identifiers
-
UNS Designation: K94600
-
Werkstoff Number: 1.3920
-
EN / DIN Standard Designation: FeNi46 / Ni46
-
Common Industry Names: Alloy 46, NILO 46, Pernifer 46, Glass-Sealing 46
-
ASTM Specifications: F30, B753
-
AMS Specifications: 7718
Physical & Mechanical Property Data
| Property Parameter | Metric Value | Imperial Value |
| Density | 8.17 | 0.295 |
| Curie Temperature | 460 | 860 |
| Melting Point Range Low | 1430 | 2600 |
| Melting Point Range High | 1450 | 2640 |
| Tensile Strength Annealed | 520 to 600 | 75 to 87 |
| Yield Strength 0.2 Percent Offset | 240 to 350 | 35 to 51 |
| Elongation Percentage in 50mm | 30 to 40 | 30 to 40 |
| Mean Coefficient of Thermal Expansion 20 to 400 C | 7.1 to 7.8 | 3.9 to 4.3 |
| Thermal Conductivity at 20 C | 16.5 | 114 |
Scrap Recycling & Material Sorting Data
-
Scrap Trade Category: Controlled Expansion Alloy / Nickel-Iron Alloy Scrap
-
Primary Valuation Drivers: High Nickel content (45.00 to 47.00) and low residual impurities
-
XRF Analyzer Verification Windows: Ni 45.0 to 47.0, Fe 51.0 to 54.5, minimal to zero Cr and Mo
-
Common Industrial Scrap Source Forms: Glass-to-metal seals, electronic tube components, thermostat rods, ceramic-to-metal seals, and lead frames
Versatile Applications in Magnetic EnvironmentsDue to its outstanding soft magnetic characteristics and low coercive force, Alloy 46 Scrap finds wide usage in transformer parts, electromagnetic shields, and precision electronic components. Its resistance to corrosion, when not exposed to highly corrosive environments, further enhances its appeal for industrial and electronic manufacturing sectors.
Customizable Forms and Packaging OptionsAlloy 46 Scrap is available primarily in cylindrical bars or rods with customizable thickness and varied lengths. Packaging is flexible - whether loose, in bulk, or securely palletized according to customer requirements. Each batch has high nickel purity and meets recognized international standards for quality assurance.
FAQ's of Alloy 46 Scrap / NILO 46 Scrap / Pernifer 46 Scrap:
Q: How is Alloy 46 Scrap typically used in industrial applications?
A: Alloy 46 Scrap is mainly utilized for manufacturing transformer components, electromagnetic shields, and various precision electronic parts due to its excellent soft magnetic properties and stability at high temperatures.
Q: What are the benefits of choosing Alloy 46 / NILO 46 / Pernifer 46 Scrap for electromagnetic shielding?
A: Its high nickel content, along with low coercive force and excellent soft magnetic characteristics, makes Alloy 46 Scrap an effective material for electromagnetic shielding, minimizing signal interference in sensitive electronics.
Q: When is it suitable to use Alloy 46 Scrap in manufacturing?
A: Alloy 46 Scrap is ideal when you require components with high magnetic permeability, good resistivity, and reliable performance in moderate corrosion environments, especially for transformer and electronic applications.
Q: Where does the sourcing and supply of Alloy 46 Scrap primarily occur in India?
A: Sourcing and supply of Alloy 46 Scrap are conducted by recognized dealers, exporters, fabricators, manufacturers, producers, retailers, suppliers, and traders across India, catering to both domestic and international customers.
Q: What is the process to order custom-cut Alloy 46 Scrap rods or bars?
A: Customers can specify desired length, thickness, and packaging requirements. The supplier will magnetically inspect, cut, and pack the scrap per ASTM F30, DIN 1.3912, or UNS K94600 standards to ensure quality and precision.
Q: How does Alloy 46 Scrap's corrosion resistance affect its usage?
A: Alloy 46 Scrap exhibits good corrosion resistance under normal conditions but is not suited for highly corrosive environments, so it is best used in controlled settings for optimal longevity.