| PRECISION ALLOY |
| Grade | Main Application |
| 1J46、1J50、1J54 | Voitage transformer, Electric ralay, Electromagnetic clutch core applied in Medium magnetic filed. |
| 1J51、1J34、1J52、1J65、1J67、1J83 | Magnetic amplifier, choke coil, Recyifying ring applied in Medium magnetic field. |
| 1J76、1J77、1J79、1J80、1J85、1J86 | Voltage transformer, Magnetic amplifier, choke core, Magnetic shield applied in low-intensity magnetic field. |
| 1J21、1J22、FeCo27 | Electromagnet pole head, End welded pipe in magnetron, Earphone vibration film, Torque motor rotor,magnetostrictive transducer core. |
| E8、1J30、1J31、1J32、1J33、1J38、E8(Ni30Fe) | The magnetic shunt compensation element in Electromagnetic circuit and Permanent magnetic circuit. |
| 1J36、1J116、1J117 | Electromagnetic valve, Electromagnetic clutch core and inductive element. |
| Cr10NiTiMo、Cr11NiTiMo、1J118 | Mterials for Corrosion resistant magnetic medium and Electromagnetic valve. |
| 1J79C、1J85C | Head housing, Chip, Spacing block. |
| 2J4 | Magnetic hysteresis motor working in terrestrial magnetic field. |
| 2J31、2J32、2J33 | Small cross section permanent magnetic element of complicated shapes. |
| 2J63、2J64、2J65、2J67 | Magnetic needle, other Permanent magnetic element. |
| 2J7、2J9、2J11、2J12 | Magnetic hysteresis motor in medium or Highmagnetic field. |
| 2J21、2J23、2J25、2J27 | Entirety Magnetic hysteresis motor. |
| 2J51、2J52、2J53 | Magnetic hysteresis motor in low or medium magnetic field. |
| 2J85 | Permanent magnetic element of small piece and complicated shapes. |
| 3J1、3J53 | Diaphragm, bellows, spring and other elastic cell. |
| 3J9(2Cr19Ni9Mo) | Clock, timer wound and other elastic cell in meter. |
| 3J21 | meter, spring and other elastic element work under 400°c. |
| 3J53、3J58 | Vibrator in mechanical filter,tuning fork in Frequency resonator and leaf in discriminating relay. |
| 3J2(Ni36CrTiAiMo5)、3J3(Ni36CrTiAiMo5) | High temperature elastic element. |
| 4J29、4J44 | Matched seal with hard glass in Electric vacuum industry. |
| 4J33、4J34、Ni31Cu68 | Matched seal with ceramics in Electric vacuum industry. |
| 4J46 | Matched seal with ceramics in Electric vacuum industry. |
| 4J43 | Du Meisi core. |
| 4J32、4J36、4J38 | Meter, instrument part, reasonant cavity, Double metal passive layer. |
| 4J6、4J47、4J49、4J42、4J45、4J50 | Matched seal with ceramics or soft glass in Electric vacuum industry. |
| 4J78、4J80、4J82 | Non magnetic non matching ceramic sealing material for Gyroscope and other Electric vacuumlnstrument. |
| 4J58 | Precision scale requires stability. |
| B30（Ni31Cu68） | Non matching seal with ceramics for Vacuum switch tube. |
| F4Ni41 | Matching seal with ceramics for Vacuum switch tube. |
| F4Ni47Cu5 | Element requires Constant expansion coefficient. |
| 4J28 | Matched seal with soft glass in Electric vacuum industry. |
| 6J10、6J15、6J20 | Electric heating element of furnace, Precision resistor elememt of instrument and meter. |
| N40(OCr20Ni36Al) | Resistance strip for Engine and others. |
| FeCrAl | Resistor element. |
