4J42 Precision Alloy Steel Bar
| Specifications of 4J42 Alloy Steel Bar: |
The 4J42 Precision Alloy Steel Bar is a high-performance nickel-iron alloy known for its low and controlled coefficient of thermal expansion, excellent mechanical strength, and stability over a wide temperature range. Commonly used in aerospace, electronics, and telecommunications industries, this precision alloy is ideal for applications requiring high dimensional stability, such as precision instruments, electronic packages, and glass-to-metal seals.4J42 (42H/Nilo42/ Vacodil 42/ N42) Fe-Ni fixed expansion alloy is a series of fixed expansion alloys which can match soft glass and ceramics with different expansion coefficients within a given temperature range by adjusting the nickel content.
| Grade | 4J29,4J36,4J42 |
| Standard | ASTM F30 |
| Length | 1 m TO 12 m, customizable |
| Diameter | 3mm~800mm or as per client requirement |
| Types | Round, Rod, Precision Ground Bar, Square, Round Rod, Hollow, Hex |
| Surface | Bright, Polish, Bright, Rough Turned, Grinding, Centreless Ground & Black |
| Technology | Cold Rolled, hot rolled |
| Mill Test Certificate | EN 10204 3.1 or EN 10204 3.2 |
| CHEMICAL COMPOSITION OF 4J42 Precision alloy Bar : |
| Chinese grade | UNS | UK | Werkstoff Nr. | Germany | Russia | France |
| 4J42 | K94100 | Nilo42 | 1.3917 | Vacodil42.Nilo42 | 42H | N42 |
| CHEMICAL COMPOSITION OF 4J42 Precision alloy Bar : |
| Grade | Fe | Ni | Mn | Co | P | Si | C | S | Al |
| 4J42 | Rem | 41.0 | 0.8 | 0.25 | 0.025 | 0.30 | 0.05 | 0.025 | 0.10 |
| 4J42 Alloy Bar Applications: |
1.Aerospace:Used in the manufacture of precision components that require high stability and high-temperature resistance, such as instruments and sensors.
2.Electronics Industry:Electronic packaging and lead frames, especially where matching thermal expansion coefficients with silicon chips and glass is required.
3.Telecommunications:Components that need to maintain structural integrity and dimensional stability, such as critical parts in fiber optic communication equipment.
4.Glass-to-Metal Seals:Used in the manufacture of vacuum tubes, glass-to-metal packages, and other applications that require matching the thermal expansion coefficient of glass.
5.Precision Instruments:Critical components in high-precision measuring devices and precision instruments that need to maintain dimensional stability under temperature changes.
| SASA ALLOY'S Quality Assurance: |
1. Visual Dimension Test
2. Mechanical examining like tensile, Elongation and reduction of area.
3. Impact analysis
4. Chemical examination analysis
5. Hardness test
6. Pitting protection test
7. Penetrant Test
8. Intergranular Corrosion Testing
9. Roughness Testing
10. Metallography Experimental Test
| Why Choose Us: |
1. You can get the perfect material according to your requirement at the least possible price.
2. We also offer Reworks, FOB, CFR, CIF, and door to door delivery prices. We suggest you to do deal for shipping which will be quite economical.
3. The materials we provide are completely verifiable, right from raw material test certificate to the final dimensional statement.(Reports will show on requirement)
4. We guarantee to give a response within 24hours(usually in the same hour)
5. Provide SGS TUV report.
6. We are fully dedicated to our customers. If it will not possible to meet your requirements after examining all options, we will not mislead you by making false promises which will create good customer relations.
7.Provide one-stop service.
| 4J42 Steel Bar Packing: |
1. Packing is quite important especially in a case of international shipments in which consignment pass through various channels to reach the ultimate destination, so we put special concern regarding packaging.
2. Sasa alloy’s pack our goods in numerous ways based on the products. We pack our products in multiple ways, such as,
