Premium 4J29 Kovar Precision Alloy Tube with Factory Price from China

Product Description

4J29 Kovar Precision Alloy Tube, also known as Kovar alloy tube, is a controlled expansion alloy composed of iron, nickel, and cobalt, specifically designed to provide a thermal expansion coefficient that closely matches those of borosilicate glasses and alumina ceramics. This unique property makes our 4J29 Kovar Precision Alloy Tube an ideal choice for hermetic sealing applications where dimensional stability under temperature variations is critical. As a trusted 4J29 Kovar Precision Alloy Tube China supplier, DLX Alloy produces high-purity 4J29 Kovar Precision Alloy Tube that meets international standards, offering excellent machinability and weldability for seamless integration into complex assemblies.

The 4J29 Kovar Precision Alloy Tube is widely used in the production of electron tubes, LEDs, microwave tubes, and other glass-to-metal seal components. With factory-direct pricing, our 4J29 Kovar Precision Alloy Tube ensures cost-effective solutions without compromising on quality. Whether you're sourcing 4J29 Kovar Precision Alloy Tube for prototyping or large-scale manufacturing, DLX Alloy delivers precision and reliability every time.

chemical composition

Key Features

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

• Matched Thermal Expansion

  Our 4J29 Kovar Precision Alloy Tube exhibits a thermal expansion coefficient of approximately 5 × 10⁻⁶/°C (20-500°C), perfectly aligning with hard glasses and ceramics to prevent stress cracks in seals.

• High Strength and Durability

  Engineered for superior mechanical properties, the 4J29 Kovar Precision Alloy Tube withstands harsh environments, including high vacuum and temperature extremes.

• Excellent Sealability

  As a premium 4J29 Kovar Precision Alloy Tube supplier, we ensure leak-tight performance, making it essential for hermetic packaging in sensitive electronics.

• Superior Workability

  Easily machinable, formable, and weldable, our 4J29 Kovar Precision Alloy Tube supports custom fabrication for diverse project needs.

• Corrosion Resistance

  The 4J29 Kovar Precision Alloy Tube offers good resistance to oxidation and environmental degradation, extending service life in demanding applications.

• Customizable Solutions

  All 4J29 Kovar Precision Alloy Tube orders can be tailored to your exact specifications, providing flexibility for unique requirements.

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.