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Spring steel
Material type: Metal, Magnetic
Spring steel is used prominently in automotive and industrial suspension applications. These steels are generally low-alloy manganese, medium-carbon steel or high-carbon steel with a very high yield strength. This allows objects made of sprung steel to return to their original shape despite significant deflection or twisting.
Process compatibility
Material Color
Silver gray
Material advantages
It is usually characterized by a unique property known as high yield strength which refers to a material’s ability to tolerate considerable bending or twisting and return to its original shape without distorting.
Material shortcomings
Recommended description
In a hardened and tempered condition, spring steel works exceptionally well in the production of flat springs that are very difficult to form.
Tensile strength 400MPa
Yield strength 1380MPa
Shear Strength 1140MPa
Density 7.8g/cc
Hardness 60HRC
Elongation at Break 14%
Modulus of elasticity 30GPa
Thermal expansion coefficent 10.4 - 12.4 10^-6 ºC
Thermal conductivity 22 - 29 W/(m⋅°C)
Common applications
• Automotive parts
• Saw blades
• Lock picks
• Antennas
• Scrapers
• Spring
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