Chemical constituents:
Brand | % | Ni | Cr | Fe | C | Mn | Si | P | S | Al | Ti | Mo |
3J53 | min | 41.50 | 5.20 | allowance | 0.50 | 2.30 | 0.70 | |||||
max | 43.00 | 5.80 | 0.05 | 0.80 | 0.80 | 0.02 | 0.02 | 0.80 | 2.70 | 0.90 |
Mechanical properties of alloys at room temperature:
state | Modulus of elasticity E (Mpa) | Tensile Strength b | hardness Hv |
Cold Processing + Aging | 196400~191100 | ≥1225 | 350~420 |
Main characteristics:
Constant Elasticity Alloy with Small Frequency Temperature Coefficient. It has high elastic modulus and strength, low temperature coefficient of elastic modulus and good consistency of wave velocity.
Applications:
It has a low frequency temperature coefficient in the range of - 40 ~80 (?) C. It is used for the oscillator of mechanical filter, the spring sheet of telephone relay and other components.
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