Mechanical Behavior of Helical Spring Made of Composite with and without Material Property Grading under Stable Load

Table 4

Mechanical and physical properties of carbon steel with .

Property	Value
Density (kg/m^3)	7850
Young’s modulus (GPa)	201
Poisson’s ratio	0.3
Tensile yield strength (MPa)	250
Compressive yield strength (MPa)	250

Source: [11].