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| Categories | Expansion Alloy |
|---|---|
| Brand Name: | KAIXIN |
| Model Number: | KX-Alloy EX50 |
| 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 Constant Expansion Alloy |
| Raw Materials: | NI51.5-52.5%,Fe Rem |
| Executive standard: | ASTM |
| Delivery State: | Soft State |
| Application: | For aerospace, nuclear energy, petroleum industry, electric vacuum industry, soft glass or ceramic matching sealing. |
| Features: | High strength and corrosion resistance |
| Size: | Negotiable |
| Company Info. |
| Danyang Kaixin Alloy Material Co., Ltd. |
| Verified Supplier |
| View Contact Details |
| Product List |
Product Description and Application
Alloy 50 is something like this: 4J52
Alloy 50 has excellent comprehensive properties in the temperature range from -253 ℃ to 700℃. The yield strength below 650℃ ranks the first among deformed superalloys, and has excellent performance, machining performance and welding performance. It can manufacture all kinds of parts with complex shapes, and has been widely used in aerospace, nuclear energy, petroleum industry and extrusion mold in the above temperature range.
Process Performance and Requirements
Vacuum Induction Furnace(VIM) and Electroslag Remelting Furnace(ESR)
| Alloy Grade | C | P | S | Mn | Si | Al | Co | Ni | Fe |
| Not more than | |||||||||
| Alloy 50 | 0.05 | 0.02 | 0.02 | 0.6 | 0.3 | ---- | --- | 51.5～ 52.5 | Rem |
WireTensile Strength
| State Code | State | Tensile strength/MPa |
| R | Soft State | <590 |
| I | Hard State | >820 |
Strip Tensile Strength
| State Code | State | Tensile strength /MPa |
| R | Soft State | <570 |
| I | Hard State | >700 |
| Alloy Grade | Sample Heat Treatment Institution | Average Coefficient of Linear Expansion α/(10-6/ K) | ||
| 20～ 300℃ | 20～ 400 ℃ | 20～ 450 ℃ | ||
| 4J52 | It is heated to 850±20 ℃ in hydrogen atmosphere, heat preservation for 1 hour and cool to less than 200 ℃ at a speed of no more than 5 ℃ / min | 9.8～ 11.0 | 9.81～ 11.0 | |
| Melting Temperature | 1430℃ |
| Thermal Conductivity | λ=16.7W/(m·℃)[1,2] |
| Specific Heat Capacity | 502J/(kg/℃) |
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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