Project Description
High Elastic Alloy for Spring
Alloy
3J09
Specification
YB/T 5135-93
Chemical Composition,%
Alloy | C | Mn | Si | P | S | Cr | Ni | Mo | Fe |
---|---|---|---|---|---|---|---|---|---|
No more than | |||||||||
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 |
Feature
This kind of alloy is characterized by high elasticity, corrosion resistance and weak magnetism or non-magnetism.
Application
Producing clock, timer winding and other instruments elastic components