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{"title":"42hxtio 3j53 Stirp Ni Span C902 Spring Permanent Magnetic Alloy Precision","imgUrl":"https:\/\/img.chinax.com\/nimg\/60\/cc\/b5fb9ba6ac2b13916ae26f2a2e37-200x200-1\/42hxtio_3j53_stirp_ni_span_c902_spring_permanent_magnetic_alloy_precision_elastic_parts_material_ribbon.jpg","attrs":{"Brand Name":"HUONA","Model Number":"3j53","Certification":"ISO9001","Place of Origin":"CHINA"}}
3J21 wire is made of 3J21 alloy, which is a cobalt - based precipitation - hardening high - elastic alloy. It is widely used in aerospace, precision instruments, medical devices and other fields due to its excellent performance.
Chemical Composition
According to ASTM F1058 standard, the chemical composition of 3J21 is as follows:
Element
Content (%)
Co
39 - 41
Cr
19 - 21
Ni
14 - 16
Mo
6.5 - 7.5
Mn
1.7 - 2.3
C
0.07 - 0.12
Be
0.01
Fe
Bal.
Si
0.6
P
≤0.015
S
≤0.015
Physical Properties
The physical properties of 3J21 wire are shown in the following table:
Property
Value
Density (g/cm³)
8.4
Resistivity (μΩ·m)
0.92
Elastic Modulus (E/MPa)
196000 - 215500
Shear Modulus (G/MPa)
73500 - 83500
Magnetic Susceptibility (K/10⁶)
50 - 1000
Melting Point (℃)
1372 - 1405
Product Features
High Elasticity
Excellent Fatigue Resistance
Good Corrosion Resistance
Non - magnetic
High - temperature Resistance
Application Fields
Aerospace: Used for key springs of engines, diaphragms, precision fasteners, sensor elements, etc.
High - end Instruments and Meters: Applicable to tension wires, hairsprings, diaphragms, bellows, precision springs, etc.
Medical Devices: Used for elastic components of surgical instruments and components of implanted devices.
Precision Machinery and Electronics: Suitable for relay contact springs, connectors, support parts of optical devices, etc.
Energy and Petrochemical: Used for special valve springs and elastic parts of down - hole tools.
Product Specifications
The diameter of 3J21 wire usually ranges from 0.05mm to 6.0mm. Different diameter specifications are suitable for making different components, such as small - scale precision springs and sensor elements.
Picture
Company Details
Bronze Gleitlager
,
Bronze Sleeve Bushings
and
Graphite Plugged Bushings
from Quality China Factory
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...