Huona (Shanghai) New Material Co., Ltd.
| Payment Terms | T/T |
| Supply Ability | 10000KG /WEEK |
| Delivery Time | A WEEK |
| Packaging Details | Wooden case, steel strip bundling |
| Density | 8.2 g/cm³ |
| Thermal Expansion (20–300°C) | 6.0 ×10⁻⁶/°C |
| Tensile Strength | 450 MPa |
| Hardness | HB 130–160 |
| Working Temp | 60°C to 400°C |
| Surface | Bright / Polished / Black |
| Tolerance | As per ASTM / GB standard |
| Diameter | 3 mm – 200 mm |
| Brand Name | HUONA |
| Model Number | 4J50 |
| Certification | ISO 9001, SGS, RoHS |
| Place of Origin | China |
View Detail Information
Explore similar products
AZ31 Magnesium Alloy MIG Welding Wire 2mm Bright Surface
Bimetallic Alloy Sheet Bimetal Strip 5j20110 Fpa721-110 Tb 208/110 DIN Tb20110
Polish Surface Nickel Alloy Inconel 600 Round Bar
Glass Sealing Alloy Wire 4J28 Fe-Ni Alloy Wire Soft Magnetic Material
Product Specification
| Payment Terms | T/T | Supply Ability | 10000KG /WEEK |
| Delivery Time | A WEEK | Packaging Details | Wooden case, steel strip bundling |
| Density | 8.2 g/cm³ | Thermal Expansion (20–300°C) | 6.0 ×10⁻⁶/°C |
| Tensile Strength | 450 MPa | Hardness | HB 130–160 |
| Working Temp | 60°C to 400°C | Surface | Bright / Polished / Black |
| Tolerance | As per ASTM / GB standard | Diameter | 3 mm – 200 mm |
| Brand Name | HUONA | Model Number | 4J50 |
| Certification | ISO 9001, SGS, RoHS | Place of Origin | China |
| High Light | 4J50 Rod Controlled Expansion Alloy Bar ，Precision Alloy Bar | ||
4J50 alloy rod is a Fe-Ni controlled expansion alloy containing about 50% nickel.
It is widely used where a stable and low thermal expansion coefficient is required, especially for matching sealing with ceramics and certain glasses.
The alloy provides good machinability, weldability, and reliable sealing performance, making it suitable for electronic packaging, vacuum devices, and aerospace components.
Fe-Ni controlled expansion alloy
Stable and low thermal expansion coefficient
Excellent glass/ceramic sealing performance
Good processability and welding properties
Available in rods, wires, and customized forms
Glass-to-metal and ceramic-to-metal seals
Electronic packaging housings
Semiconductor device supports
Vacuum devices and relays
Aerospace instruments and precision devices
| Element | Content |
|---|---|
| Fe | Balance |
| Ni | ~50% |
| Mn, Si, C, etc. | Minor |
| Property | Typical Value |
|---|---|
| Density | ~8.2 g/cm³ |
| Thermal Expansion (20–300°C) | ~6.0 ×10⁻⁶/°C |
| Tensile Strength | ≥ 450 MPa |
| Hardness | HB 130–160 |
| Working Temp | -60°C to 400°C |
| Standard | GB/T, ASTM, IEC |
| Item | Range |
|---|---|
| Diameter | 3 mm – 200 mm |
| Length | ≤ 6000 mm |
| Tolerance | As per ASTM / GB standard |
| Surface | Bright / Polished / Black |
| Packaging | Wooden case, steel strip bundling |
| Certification | ISO 9001, SGS, RoHS |
| Origin | China (OEM/ODM service available) |
Company Details
Business Type:
Manufacturer,Exporter
Year Established:
2008
Total Annual:
8000000-100000000
Employee Number:
100~120
Ecer Certification：
Verified Supplier
Huona (Shanghai) New Material Co., Ltd. Was established in 2008, currently have three divisions: Magnesium Division, Thermal Spray Division and Functional Material Division.Magnesium Division produces magnesium metal products. Various models of high-quality magnesium alloy plate, magnesium rods, hig... Huona (Shanghai) New Material Co., Ltd. Was established in 2008, currently have three divisions: Magnesium Division, Thermal Spray Division and Functional Material Division.Magnesium Division produces magnesium metal products. Various models of high-quality magnesium alloy plate, magnesium rods, hig...
Get in touch with us
Leave a Message, we will call you back quickly!