Alloy 46 Wire UNS K94600

Containing 46% nickel this alloy considered a controlled expansion alloy. It has a fairly constant coefficient of thermal expansion from room temperature up to 932°F (500°C).

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Shaped, Flat, Square, Round, Fine Wire, Plated and Un-plated Specifications: ASTM F-30

Alloy 46 Wire Description


Containing 46% nickel this alloy considered a controlled expansion alloy. It has a fairly constant coefficient of thermal expansion from room temperature up to 932°F (500°C).

Applications


Glass and ceramic to metal seals
Electrical resistors

Chemistry Typical


Carbon: 0.05 max
Silicon: 0.30 max
Manganese: 0.80 max
Nickel: 46 nom
Chromium: 0.25 nom
Iron: Balance
Phosphorus: 0.025 max
Sulfur: 0.025 max
Aluminum: 0.10 max

Physical Properties


Density: 0.295 lb/in³, 8.2 g/cm³

Electrical Resistivity: ohm-cir-mil/ft, microhm-cm:
At 68°F (20°C): 277(47)

Thermal Conductivity: BTU-in/hr-ft2-°F (W/m•K):
77-212°F (25-100°C): 79.2(11)

Mean Coefficient of Thermal Expansion: µin/in-°F (µm/m-°C):
Contact Ulbrich Wire for information

Melting Point: 2600°F (1430°C)

Mechanical Properties at Room Temperature


Properties: Annealed Typical


Ultimate Tensile Strength: 74 KSI nom (510 MPa nom)
Yield Strength: 36 KSI nom (247 MPa nom)
Elongation: 30% nom
Hardness: Rb73 nom


Properties Tempered


Alloy 46 can be cold rolled to achieve the temper properties required by specific customers and/or manufacturing requirements. Contact Ulbrich Wire for details.

Additional Properties


Corrosion Resistance


Refer to NACE (National Association of Corrosion Engineers) for recommendations.

Standard Wire Finishes


Extra Clean: (XC) Extra clean is also referred to as “bright annealed” or “bright annealed and cold rolled”

Grease (round wire only): Drawn in a heavy grease produces an “Ultra bright” finish for decorative applications

Soap (round wire only): Soap is used as a lubricant in the drawing process and is not removed. It acts as a lubricant during customer part forming operation. A soap finish is available in tempered products.

Plated: Many plating options are available.
∗Special finishes are available: Contact Ulbrich Wire Sales with special finish and plating requests.

Forms


Continuous Coils
Cut to lengths
Precision cutting

HeatTreatment


Alloy 46 is non-hardenable by heat treatment.

Welding


For best results refer to: SSINA’s “Welding of Stainless Steels and Other Joining Methods”.

Limitation of Liability and Disclaimer of Warranty: In no event will Ulbrich Stainless Steels and Special Metals, Inc., be liable for any damages arising from the use of the information included in this document or that it is suitable for the ‘applications’ noted. We believe the information and data provided to be accurate to the best of our knowledge but, all data is considered typical values only. It is intended for reference and general information and not recommended for specification, design or engineering purposes. Ulbrich assumes no implied or express warranty in regard to the creation or accuracy of the data provided in this document.

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