55SI2Mn Spring Steel

 

 

 

Chemical Composition:

 

C	Si	Mn	S	P	Cr	Ni	Cu
0.52~0.60	1.50~2.00	0.60~0.90	≤0.035	0.035	≤0.35	≤0.35	≤0.25

 

Mechanical properties：

 

Tensile Strength σb (MPa):	Yield Strength σ0.2 (MPa):	Elongation δ5 (%):	Section shrinkage ψ (%):	Hardness:
1450~1750	1300	≥ 6	≥30	Hot Rolled: ≤ 302HB Cold Rolled + Heat Treatment: ≤ 321 HB

 

Heat treatment specification:

Quenching 870℃±20℃, oil cooling; tempering 480℃±50℃ (for special needs, ±30℃).

 

Delivery status:

Hot-rolled steel is delivered in heat-treated or non-heat-treated state, and cold-drawn steel is delivered in heat-treated state.

 

55SI2Mn Spring Steel is a remarkable material with a wide range of applications and outstanding properties.

 

This type of spring steel is known for its excellent combination of strength and elasticity. It can withstand significant amounts of stress and deformation without losing its structural integrity. The unique composition of 55SI2Mn gives it the ability to store and release energy efficiently, making it ideal for use in springs and other components that require resilience.

 

One of the key advantages of 55SI2Mn Spring Steel is its high tensile strength. This allows it to endure heavy loads and harsh operating conditions. Whether it's in the automotive industry, where springs are subjected to constant vibrations and impacts, or in industrial machinery, 55SI2Mn proves to be a reliable choice.

 

The steel also exhibits good fatigue resistance. It can withstand repeated cycles of loading and unloading without experiencing premature failure. This property is crucial for applications where the spring is in constant use and needs to maintain its performance over a long period.

 

In addition to its mechanical properties, 55SI2Mn Spring Steel can be heat-treated to further enhance its characteristics. Through proper heat treatment processes, the steel can be made even stronger, more ductile, or have specific hardness levels tailored to the application

 

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