4J29 Kovar Precision Alloy Tube China Factory Price & Quality Guarantee

Product Description

As a premier manufacturer in China, DLX specializes in 4J29 Kovar Precision Alloy Tube production, offering competitive prices and rapid delivery for global wholesalers. Our Kovar alloy tube is a vacuum-melted, iron-nickel-cobalt controlled-expansion alloy, engineered for seamless integration in high-reliability applications. With a composition of 29% Ni, 17% Co, and balance Fe, this 4J29 Kovar precision alloy tube matches the thermal expansion of borosilicate hard glass, ensuring crack-free seals under thermal stress.

Widely known as Kovar, our Kovar precision alloy tube features a high Curie point and excellent low-temperature stability, making it indispensable for electronics, aerospace, and scientific instruments. Produced under strict quality controls, each 4J29 alloy tube undergoes precise machining for deep drawing and stamping, with dense oxide films for superior glass wetting. Choose DLX Group for affordable, high-performance Kovar alloy tube solutions—direct from our China factory with no intermediaries.

Why Choose DLX Group for Your 4J29 Kovar Precision Alloy Tube?

• Competitive Factory Prices: Direct from China—no middlemen, up to 20% savings on bulk Kovar alloy tube.

• ISO-Certified Quality: Advanced vacuum melting and testing ensure every Kovar precision alloy tube meets global standards.

• Customization Expertise: Tailored sizes, tolerances, and finishes for your specific needs.

• Fast & Reliable Delivery: Global logistics with tracking; 24/7 support for inquiries.

• Sustainability: Eco-friendly production processes for responsible sourcing.

chemical composition

Key Features

Our Factory Price 4J29 Kovar Precision Alloy Tube stands out due to its unique properties tailored for high-precision engineering:

• Controlled Thermal Expansion: Matches hard glass and ceramics, preventing seal failures in temperature fluctuations.

• High Curie Point: Retains magnetic properties up to 800°C, ideal for high-temperature environments.

• Excellent Machinability: Easy deep drawing, stamping, and CNC processing for custom 4J29 Kovar precision alloy tube dimensions.

• Corrosion Resistance: Dense oxide layer resists mercury and oxidation, enhancing longevity in vacuum systems.

• Uniform Composition: Vacuum-melted for consistent properties, ensuring reliable performance in precision 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.