Project Description
High Elastic Alloy for Spring
3J09
3J09 has non-magnetic, high elasticity and hardness. It is mainly made in the elastic components of clocks, clocks, clocks and instruments.
Chemical Composition,%
| Alloy | C | Mn | Si | P | S | Cr | Ni | Mo | Fe |
| 3J09 | 0.22-0.36 | 1.8-2.2 | 1.3-1.7 | ≤0.03 | ≤0.02 | 19-20.5 | 9-10.5 | 1.6-1.85 | Rest |
Mechanical Properties
| Alloy | Type | Thickness, mm | Tensile strength, Kgf/mm-2 | Elongation, % |
| 3J09 | Cold drawn wire | 0.4-0.7 | ≥210 | – |
| >0.7-1.8 | ≥170 | – | ||
| >1.8-3.5 | ≥150 | – | ||
| >3.5-6.0 | ≥130 | – | ||
| Hot rolled wire | 8.0-12.0 | ≤85 | ≥40 |
Available Products and Specifications
| Rod, Bar, Wire and Forgings | YB/T 5135-93 |
| Plate, Sheet and Strip | YB/T 5135-93 |
| Pipe and Tube | YB/T 5135-93 |
| Welding Product | – |
| Others | – |
Features
This kind of alloy is characterized by high elasticity, corrosion resistance and weak magnetism or non-magnetism.
Applications
Producing clock, timer winding and other instruments elastic components
