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| Categories | Expansion Alloy |
|---|---|
| Brand Name: | KAIXIN |
| Model Number: | KX-Alloy34 |
| Certification: | ISO9001:2015 |
| Place of Origin: | China |
| MOQ: | 200KG |
| Price: | To negotiate |
| Payment Terms: | T/T, L/C |
| Supply Ability: | 50~80TONS per MONTH |
| Delivery Time: | 45~60days |
| Packaging Details: | Wooden Box, size as per guests's request |
| Shape: | Wire,Strip,Rod,Tube,Plate |
| Alloy Type: | Fe-Ni-Co Ceramic Sealing Alloy |
| Raw Materials: | NI28.5-29.5%，CO19.5-20.5%,Fe Rem |
| Executive standard: | YB/T5231 |
| Delivery State: | Sosoloid |
| Application: | For manufacturing electrodes, exit discs and exit wires of large electronic tubes and magnetrons |
| Features: | Match sealing of electric vacuum devices and 95% Al2O3 ceramics |
| Size: | Negotiable |
| Company Info. |
| Danyang Kaixin Alloy Material Co., Ltd. |
| Verified Supplier |
| View Contact Details |
| Product List |
Product Description and Application
4J34 is also known as Alloy 34
4J34 is ceramic sealing alloy, which is developed combined with our ceramic characteristics. The linear expansion coefficient of the alloy is similar to that of 95%Al2O3 ceramics in the temperature range of -60℃ ~ 600℃. It is widely used in high precision instrument, optical device, antenna, satellite, aerospace and etc fields. In addition, it can also be used to make magnetic components, capacitors and etc.
Process Performance and Requirements
Vacuum Induction Furnace(VIM) and Electroslag Remelting Furnace(ESR)
| Alloy Grade | Chemical Composition % | |||||||
| C | P | S | Mn | Si | Ni | Co | Fe | |
| not more than | ||||||||
| 4J34 | 0.03 | 0.02 | 0.02 | 0.5 | 0.3 | 28.5～29.5 | 19.5～20.5 | Rem |
| Alloy Grade | Sample Heat Treatment Institution | Average Coefficient of Linear Expansion α(10-6/ K) | |||
| 20～300 ℃ | 20～400 ℃ | 20～500 ℃ | 20～600 ℃ | ||
| 4J34 | It is heated to 900±20 ℃ in hydrogen atmosphere, heat preservation for l hour, then cool to 200 ℃ or less at a speed of no more than 5 ℃ / min | ----- | 6.3～7.1 | ----- | 7.8～8.5 |
| Alloy Grade | Average Linear Expansion Coefficient over Different Temperature Ranges α(10-6/ K) | ||||
| 20～200 ℃ | 20～300 ℃ | 20～400 ℃ | 20～500 ℃ | 20～600 ℃ | |
| 4J34 | 7.5 | 6.9 | 6.6 | 6.9 | 8.3 |
Product Mechanical Property
| Tensile Strength | Yield Strength | Elongation | Hardness |
| ≥490 MPa | ≥240 MPa | ≥42% | ≥42% |
Professional Customization
| Cold-drawn Wire | ¢0.3~¢18mm(Delivery in rolls or trays) |
| Hot-Rolling Wire | ¢5.5~¢20mm(Delivery in rolls) |
| Strip | thickness 0.1~4.5*width 6~350mm(Supply in rolls or straight strips) |
| Smooth Forged Rod on a Lathe | ¢60~350mm,L800-2500mm |
| Hot-rolled Burnishing | ¢20~80mm,L1000-5000mm |
| Cold Drawn and Burnishing | ¢2.5~18mm,L1000-8000mm |
| Seamless Tube | ¢1~275mm,wall thickness 0.2~30,L1000-8000mm |
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