chemical composition:
| brand | % | NI | CR | Fe | C | Mn | Si | P | S | Al | Ti | Mo | 
| 3J53 | min | 41.50 | 5.20 | margin | 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 | 
Mechani calproperties of alloys at normal temperature:
| Status | Elastic Modulus E (Mpa) | Tensile Strength b | HardNess Hv | 
| Cold working + aging | 196400~191100 | ≥1225 | 350~420 | 
Main characteristics
Small frequency temperature coefficient constant elastic alloy. It has high modulus of elasticity and strength, low modulus of elasticity temperature coefficient, and good wave speed consistency.
Application areas:
It has a low frequency temperature coefficient in the range of -40 ° C ~ 80 ° C, for the vibrator in the mechanical filter, the spring piece in the vibration relay and other components.
 
					 
			