Pure Nickel Capillary Tube
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Product Details:
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| Place of Origin: | china |
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| Brand Name: | JX |
| Certification: | ISO |
| Model Number: | 4j29 Kovar Hot Forging Rod |
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Payment & Shipping Terms:
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| Minimum Order Quantity: | 100kgs |
| Price: | Negotiable |
| Packaging Details: | Standard wooden case |
| Delivery Time: | 35days |
| Payment Terms: | L/C, T/T |
| Supply Ability: | 3000T |
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Detail Information |
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| Product Type: | China Hot Sale High Quality Kovar 4J29 Hot Forging Rod | Material: | Feni Alloy |
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| Carbon Content: | Low | Transport Package: | Wooden Case |
| Shape: | Round Bar | Condition: | Soft |
| Surface: | Bright | Origin: | China |
| Highlight: | Kovar Hot Forging Rod,Kovar 4J29 Rod,Feni Alloy Kovar Rod |
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Product Description
Kovar Forging Rod (ASTM F15) is controlled expansion alloy. 29% Nickel, 17% Cobalt and the remaining balance is Iron. The expansion characteristics of Kovar match both borosilicate glass and alumina ceramics, making it one of the most popular of the controlled expansion alloys for hermetic sealing applications.
Kovar Forging Rod is often referred to as a glass sealing alloy in production processing. Because its coefficient of expansion is similar to that of glass. Kovar has been used to make hermetic seals with harder Pyrex and ceramic materials. In integrated circuits, it is used in planar packages and dual in-line packages. This alloy has a wide range of applications in power tubes, microwave tubes, transistors and diodes.
Kovar Forging Rod Specification:
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Commerical Trdae Name
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ASTM F15, NILO K, Pernifer 2918, Rodar and Dilver P1
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Material
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Iron-Nickel-cobalt Alloy
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Specification
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ASTM F15
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Thermal Expansion,μ m/m•°C
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4.6 to 5.2 at (30 to 400 ℃)
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Surface Finish
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Ground Surface
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Process
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VIM+ESR Melting
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Application
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hard glass to metal seals
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Related Specifications & Registered Names
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Kovar ©
Nicoseal © Nicosel © Rodar © Telcoseal © Sealvar © Alloy 29-17 © Nilo K © Dilver © Pernifer 29-18 © |
UNS K94610
ASTM F 15 AMS 7726 AMS 7727 AMS 7728 MIL-I-23011 class 1. Werkstoff Nr. 1.3981 DIN 17745 AFNOR NF A54-301 S.E.W. 385 |
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TABLE 1 Chemical Composition (Weight,%)
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Ni
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28.5-29.5
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Co
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16.8-17.8
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Si,Max
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0.20
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Mn,Max
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0.50
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C,Max
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0.04
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Al,Max
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0.10
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Mg,Max
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0.10
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Zr,Max
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0.10
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Ti,Max
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0.10
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Cu,Max
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0.20
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Cr,Max
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0.20
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Mo,Max
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0.20
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Fe
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Balance
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Kovar Forging Rod Picture:
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