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Hydraulic Alloy Precision Steel Tubes 1j50 Ni50 Hy-ra49 Permalloy 50h Nickel Soft Magnetic Alloy Pipe/tube
Precision alloys are metal materials with special physical properties (such as magnetic, electrical, thermal and other properties). The vast majority of precision alloys are based on ferrous metals, and only a few are based on non-ferrous metals. Usually include magnetic alloys (see magnetic materials), elastic alloys, expansion alloys, thermal bimetals, electrical alloys, hydrogen storage alloys, shape memory alloys, magnetostrictive alloys, etc.
Soft magnetic alloys: High permeability and low coercivity in weak magnetic fields. Grades include: 1J06, 1J12, 1J17, 1J18, 1J22, 1J30, 1J36, 1J38, 1J46, 1J50, 1J51, 1J54, 1J76, 1J77, 1J79, 1J80, 1J85, 1J87
Permanent magnet alloy: High hardness, strong anti-demagnetization, and high coercivity. Grades: 2J04, 2J07, 2J09, 2J10, 2J31, 2J53, 2J84, 2J85
Elastic alloys: High elastic and constant elastic alloys for precision instruments. Grades: 3J01, 3J21, 3J53
Expansion alloys (Invar Alloy): Kovar alloys, ceramic sealing, low expansion. Grades: 4J28, 4J29, 4J32, 4J33, 4J36, 4J40, 4J42, 4J50
| Expansion Alloy Chemical Composition | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Grade | C≤ | S≤ | P≤ | Mn | Si | Ni | Cr | Cu | Al | Fe |
| 6J10 | 0.05 | 0.01 | 0.01 | 0.3 | 0.2 | Rem | 9-10 | 0.2 | - | 0.4 |
| 6J15 | 0.05 | 0.02 | 0.03 | 1.5 | 0.4-1.3 | 55-61 | 15-18 | - | 0.3 | Rem |
| 6J20 | 0.05 | 0.01 | 0.01 | 0.7 | 0.4-1.3 | Rem | 20-23 | - | 0.3 | ≥1.5 |
| 6J22 | 0.04 | 0.01 | 0.01 | 0.5-1.5 | 0.2 | Rem | 19-21.5 | - | 2.7-3.2 | 2-3 |
| 6J23 | 0.04 | 0.01 | 0.01 | 0.5-1.5 | 0.2 | Rem | 19-21.5 | 2-3 | 2.7-3.2 | - |
| Constantan & Manganese Copper Alloy | ||||
|---|---|---|---|---|
| Alloy Type | Brand | Ni (%) | Mn (%) | Cu (%) |
| Constantan | 6J40 | 39-41 | 1-2 | Rest |
| Manganese Copper | 6J12 | 2-3 | 11-13 | Rest |









Over the years, we have worked hard to promote and realize the modernization of alloy sales, and actively cultivated and enhanced the ability of employees' independent innovation. All-round renovation and upgrade of facilities and equipment, and modern computer management. We are increasing the scale of trade and customers throughout the world, helping modernize industrial applications and promote economic and technical exchanges.
With a factory history of more than 18 years, we run business with resistance alloys, thermocouple alloys, Inconel, Monel, Hastelloy, high-temperature alloys, and other nickel-based alloy products.



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