Elgiloy 3J21 High Elastic Alloy Strip / Spring
3 j21-serial open-style is Co - Cr - Ni - Mo is a high elastic
alloy, the alloy with high hardness, strength, elastic limit and
energy storage ratio, fatigue strength, small elastic hysteresis
and aftereffect, nonmagnetic, good wear resistance, seismic
resistance of stamping, excellent corrosion resistance, etc.
Cobalt base alloys can work at temperatures of 400 degrees Celsius
or at low temperatures.
Close to the brand (40KHXM , Elgiloy , NAS604PH,K.R.N , phynox)
Chemical composition %| C | Mn | Si | P | S | Cr |
| 0.07~0.12 | 1.70~2.30 | <0.6 | <0.01 | <0.01 | 17.0~21.0 |
| Co | Ni | Mo | Ce | Fe |
| 39.0~41.0 | 14.0~16.0 | 6.50~7.50 | 0.1~0.15 | Bal |
Application Insights: The 3j21 alloy, dating back to the mid-1960s,
stands as a time-tested material. With decades of production and
application under its belt, it has carved out a unique niche.
Primarily, it serves as the go-to choice for crafting elastic
components that demand wear resistance, corrosion prevention,
seismic stability, non-magnetism, and high-intensity performance in
aerial applications. Think of crucial elements like shafts, wires,
springs, and diaphragms that keep machinery humming smoothly.
Moreover, in specialized manufacturing arenas, it plays an
indispensable role. From the fabrication of bespoke bearings, micro
shafts, precision ball bearings, to stamping dies and cutting
tools, the 3j21 alloy lends its exceptional properties to ensure
top-notch quality and durability, setting it apart from
conventional materials.
| Density (g/cm3) | 8.3 |
| Resistivity (uΩ.m) | 0.9 |
| Magnetic susceptibility | 120~240 |
