Factory Price 4J29 Kovar Precision Alloy Tube China Supplier

Product Description

DLX Alloy stands as a premier China supplier of 4J29 Kovar precision alloy tube, delivering exceptional performance in hermetic sealing and thermal expansion matching applications. Our Kovar precision alloy tube is meticulously crafted from the renowned 4J29 alloy, a controlled expansion alloy composed primarily of iron, nickel (29%), and cobalt (17%). This composition ensures unmatched compatibility with hard glasses and ceramics, making our 4J29 Kovar tube the go-to choice for industries demanding reliability and precision.

As a trusted Kovar precision alloy tube manufacturer, DLX Alloy prioritizes quality and customization to meet your exact specifications. Whether you're engineering aerospace components or semiconductor housings, our 4J29 alloy tube provides superior dimensional stability and fatigue resistance. Benefit from factory-direct pricing and rapid delivery as your dedicated China supplier of 4J29 Kovar precision alloy tube.

chemical composition

Key Features

Our 4J29 Kovar alloy tube stands out with features designed for superior functionality:

• Controlled Thermal Expansion

  Matches the coefficient of expansion of borosilicate glasses and alumina ceramics, preventing stress cracks in sealed assemblies.

• High Purity Composition

  Consists of approximately 29% nickel, 17% cobalt, and balance iron, ensuring minimal impurities for optimal performance.

• Excellent Corrosion Resistance

  Withstands harsh environments, including oxidizing atmospheres up to 500°C, ideal for long-term reliability.

• Magnetic Properties

  Maintains low magnetic permeability, suitable for sensitive electronic applications.

Packaging and shipping

FAQ

What are your working hours and contact information? 

Monday to Saturday: 7:30 a.m. to 5:00 p.m. (Beijing Time, GMT+08:00). May 1st to 3rd are public holidays, as well as October 1st to 7th and the Lunar New Year holiday. If you have any questions, please email us during the holiday period. 

Do you offer free samples?

Yes, we can provide free samples for testing. The buyer is responsible for all the shipping costs. 

What are your payment terms?

Wire transfer, letter of credit, deposit, deposit, deposit, Western Union, Speedy Money, PayPal 

What is the delivery time?

Usually, the delivery time for samples is 7 days after the payment is confirmed.