Precision Alloy in shape of wire, bar, plate, strip, flange, etc.
4J42
| 4J42 | |||
| Chemical Composition % | Ni: 41.25-42.5 | P: ≤0.02 | Fe: Margin |
| Mn: ≤0.80 | S: ≤0.02 | Co: ≤0.10 | |
| Si: ≤0.30 | C: ≤0.05 | AI: ≤0.10 | |
| Application Area | Manufacturing magnetic components such as cores, heads, and transformers. | ||
| Manufacturing high-precision instruments and equipment in the aerospace field. | |||
| Manufacturing chemical industry equipment, such as reactors for producing corrosive media such as sulfuric acid and hydrochloric acid. | |||
| Manufacturing high-temperature airtight components, such as vacuum electronic tubes, high-temperature pipes, etc. | |||
| Manufacturing high-temperature structural materials, such as high-temperature heat exchangers, high-temperature furnaces, etc. | |||
| Alloy Grade | Chemical Composition % | |||||||||||
| C | P | S | Mn | Si | Cu | Cr | Mo | Ni | Co | Fe | Remark | |
| 1J36 | ≤0.03 | ≤0.02 | ≤0.02 | ≤0.06 | ≤0.20 | - | 35.0-37.0 | Margin | ||||
| 1J50 | ≤0.03 | ≤0.02 | ≤0.02 | 0.30-0.60 | 0.15-0.30 | ≤0.20 | - | - | 49.0-50.5 | - | Margin | |
| 1J79 | ≤0.03 | ≤0.02 | ≤0.02 | 0.60-1.10 | 0.30-0.50 | ≤0.20 | 3.80-4.10 | 78.5-80.0 | Margin | |||
| 1J80 | ≤0.03 | ≤0.02 | ≤0.02 | 0.60-1.10 | 1.10-1.50 | ≤0.20 | 2.60-3.00 | - | 79.0-81.5 | - | Margin | |
| 3J9 | 0.02-0.26 | ≤0.03 | ≤0.02 | 1.80-2.20 | 1.3-1.70 | 19.0-20.5 | 1.60-1.85 | 9.0-10.5 | Margin | |||
| 4J29 | ≤0.03 | ≤0.02 | ≤0.02 | ≤0.50 | ≤0.30 | ≤0.20 | ≤0.20 | ≤0.20 | 28.5-29.5 | 16.8-17.8 | Margin | |
| 4J28 | ≤0.12 | ≤0.02 | ≤0.02 | ≤1.00 | ≤0.90 | 27.0-29.0 | ≤0.50 | Margin | N≤0.02 | |||
| 4J42 | ≤0.05 | ≤0.02 | ≤0.02 | ≤0.80 | ≤0.30 | 41.5-42.5 | ≤1.0 | Margin | Al≤0.10 | |||
| 4J50 | ≤0.05 | ≤0.02 | ≤0.02 | ≤0.80 | ≤0.30 | 49.5-50.5 | Margin | Al≤0.10 | ||||
| In 4J29: Al: ≤0.10% , Mg: ≤0.10% , Zr: ≤0.10% , Ti: ≤0.10%，Al+Mg+Zr+Ti: ≤0.20% | ||||||||||||
