Nickel Based Alloys

High quality Kovar 4J29 forging rod with controlled thermal expansion 4.6-5.2 μm/m°C. Ideal for hermetic glass-to-metal seals. VIM+ESR melted, ground surface. Meets ASTM F15, AMS 7726. Custom sizes available.

4J29 Kovar alloy tube pipe features 28.5% nickel for low thermal expansion up to 260°C. Ideal for sealing parts, liquid gas storage, and cryogenic applications. Available in soft to hard tempers with tensile strength up to 850 MPa. Custom sizes offered.

Kovar Alloy Plate 4J29 offers a low coefficient of thermal expansion matching hard glass and ceramics, ensuring airtight seals. Ideal for vacuum devices, it provides excellent dimensional stability and machinability. Custom sizes available.

Kovar plate is a precision iron-nickel-cobalt alloy with low CTE matching hard glass and ceramics. Ideal for hermetic seals in vacuum devices. Offers excellent thermal conductivity, dimensional stability, and machinability. Available in custom sizes.

Kovar Alloy 4J29 Plate is an iron cobalt nickel alloy with thermal expansion matching hard glass. Features uniform properties for easy processing. Suitable for electric vacuum devices like transistors and relays. Custom options available.

Kovar Strip 4J29 (UNS K94610) offers a low thermal expansion coefficient matching hard glass and ceramics. Ideal for airtight seals in vacuum devices. Features advanced dimensional stability, easy stamping, and custom thickness options.

Kovar 4J29 alloy round bars offer a thermal expansion coefficient matching borosilicate glass, ideal for vacuum tube and electronic component sealing. High Curie point, stable low-temperature structure, and customizable sizes ensure reliable performance in demanding industrial applications.

Kovar sheet offers thermal expansion matching glass for reliable seals. With 8.2 g/cm³ density and 138 GPa elastic modulus, it ensures durability. Ideal for vacuum components and transistors. Custom sizes available.

Kovar 4J29 expansion alloy strip offers reliable glass-to-metal sealing with a low thermal expansion coefficient. Ideal for electronics, vacuum tubes, and precision instruments. Certified to ASTM B906, available in 0.05-3mm thickness and custom widths. Durable, stable, and export-ready.

Super Invar alloy seamless tube with 32% nickel and 5% cobalt offers ultra-low thermal expansion, half that of Invar 36. Ideal for liquid gas handling and precision instruments. Available in custom sizes with bright annealed finish.

FeNi36 Invar bar with 36% nickel offers ultra-low thermal expansion from cryogenic to 260°C. Ideal for LNG equipment, temperature regulators, and precision frameworks. Custom sizes available with mill certification.

Invar 36 alloy wire offers ultra-low thermal expansion (≤1.5×10⁻⁶/°C) for high dimensional stability. Ideal for precision instruments, glass sealing, and motors. Density 8.1 g/cm³, Curie point 230°C. Custom sizes available.

High-performance hysteresis alloy strip with excellent magnetic properties in 2-5kA/m range. Grades 2J09, 2J10, 2J11. Cold rolled strip 0.05-3mm thick, 2-200mm wide. Good processability, customizable. Fast delivery. Contact us for details.

Permendur 1j22 soft magnetic alloy wire offers high saturation induction and low coercivity. Ideal for aerospace micro-motors, relays, and transducers. Available in 0.01-10mm diameter with bright annealed finish. Custom sizes and forms supported.

High saturation magnetic induction (2.4T) and high Curie temperature (980°C) ensure superior performance in compact motors and electromagnets. Ideal for aerospace components, micro-motor rotors, and transducers. Custom sizes available.

High saturation magnetic induction (2.4T) and high Curie point (980°C) for superior performance. Ideal for high-permeability magnetic cores, reducing motor size while maximizing attraction force. Custom options available.

Kovar alloy bar offers stable low-temperature expansion matching glass and ceramics. Density 8.36 g/cc, melting point 1450°C. Ideal for electronic and vacuum sealing applications. Custom sizes available.

Kovar alloy rods offer a controlled thermal expansion coefficient matching glass and ceramics for reliable hermetic seals. Ideal for electronic vacuum components, these rods feature a density of 8.36 g/cc and melting point of 1450°C. Custom sizes available.

4J29 Kovar alloy wire offers precise thermal expansion matching glass for hermetic seals. Features controlled composition, tensile strength up to 850 MPa, and excellent bonding via oxide layer. Ideal for vacuum tubes, relays, and integrated circuits. Custom sizes available.

Kovar K94610 bar offers controlled thermal expansion matching borosilicate glass. Dense oxide film ensures reliable glass sealing. Ideal for vacuum electronics, power devices, and mercury instruments. Custom sizes available.