Customization: | Available |
---|---|
Type: | Nickel Pipe |
Standard: | AISI, ASTM, DIN, JIS, GB, BS |
Still deciding? Get samples of $ !
Request Sample
|
Suppliers with verified business licenses
Audited by an independent third-party inspection agency
4J29, also known as Kovar, is a nickel-cobalt-iron alloy with a low and controlled thermal expansion rate. It is widely used in electronic and semiconductor packaging, hermetic sealing applications, and precision instruments, especially where glass-to-metal or ceramic-to-metal bonding is required.
Property | Details |
---|---|
Alloy Composition | Nickel (Ni) ~29%, Cobalt (Co) ~17%, Iron (Fe) balance |
Equivalent Grades | KV-1, FeNi28Co18, Vacon10, Ni29Co17, 29ИК18А |
Density | ~8.3 g/cm³ |
Tensile Strength | ~500-600 MPa |
Yield Strength | ~300 MPa |
Elastic Modulus | ~140 GPa |
Elongation | ~20% |
Hardness | ~150-180 HV |
Coefficient of Thermal Expansion (CTE) | ~5.2 × 10 /°C (20-300°C) |
Magnetic Permeability | High |
Controlled Thermal Expansion - Matches the expansion of glass and ceramics, making it ideal for sealing applications.
High Mechanical Strength - Provides durability in electronic enclosures and structural components.
Good Weldability & Machinability - Easily machined, welded, and processed for complex shapes.
Excellent Hermetic Sealing - Used in applications requiring airtight seals against gases and moisture.
Electronic & Semiconductor Packaging:
Aerospace & Defense:
Medical Devices & Scientific Instruments:
Power & Energy Industry:
Product Form | Outer Diameter (OD) | Wall Thickness (WT) | Length |
---|---|---|---|
Round Pipe/Tube | 1mm - 200mm | 0.1mm - 10mm | Customizable |
Rod/Bar | 1mm - 100mm | Solid | Customizable |
Custom dimensions, heat treatment, and surface finishing available upon request.
Precision alloy tubes are high-performance metal tubes made from specialized alloys, such as nickel-based, iron-nickel, and cobalt-based alloys. They offer excellent mechanical, thermal, and magnetic properties for demanding applications in aerospace, electronics, and industrial fields.
We offer various types, including:
Precision alloy tubes are widely used in:
We provide tubes with customized outer diameters, wall thicknesses, and lengths based on customer specifications. Our precision manufacturing ensures tight dimensional tolerances for high-performance applications.
The manufacturing processes include:
7. How do I choose the right high-temperature alloy pipe for my application?
Factors to consider include:
Operating temperature and pressure
Corrosive environment (acidic, alkaline, seawater, etc.)
Mechanical strength requirements
Compliance with industry standards and regulations
Cost and availability
You can request a quote through the following methods:
Yes, we offer worldwide shipping. Our experienced logistics team can assist with various international shipping issues, including transportation options, customs handling, and destination requirements.
We accept various payment methods, including bank transfers, credit card payments, PayPal, and more. The specific payment method can be confirmed based on the order amount and customer preferences.
Due to the customized or specialty nature of Hastelloy materials, our return and exchange policy is strict. Standard stock products can be returned or exchanged if they are unused and unprocessed. Please confirm the return/exchange conditions and process with our sales team before placing an order.
We can provide the following certifications and documents:
Yes, we provide customized processing services for Hastelloy alloys, including cutting, welding, precision machining, and more. Whether it's standard dimensions or special requirements, we can process the materials to meet your needs.
You can contact us through the following methods:
Online support: Visit our website for live chatWe look forward to providing you with high-quality products and services!
If you have any other questions, feel free to contact us, and we will do our best to assist you!