Project Description

High Elastic Alloy for Spring

Alloy

3J09

Specification

YB/T 5135-93

Chemical Composition,%

AlloyCMnSiPSCrNiMoFe
No more than
3J090.22-0.361.8-2.21.3-1.70.030.0219-20.59-10.51.6-1.85Rest

Mechanical Properties

AlloyTypeThickness, mmTensile strength, Kgf/mm-2Elongation, %
3J09Cold drawn wire0.4-0.7≥210–
>0.7-1.8≥170–
>1.8-3.5≥150–
>3.5-6.0≥130–
Hot rolled wire8.0-12.0≤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