| C ≤ |
Si ≤ |
Mn ≤ |
P ≤ |
S ≤ |
Cr | Ni |
|---|---|---|---|---|---|---|
| 0.52-0.60 | 1.60-2.00 | 0.60-0.90 | 0.025 | 0.025 | ≤ 0.40 | ≤ 0.40 |
| Mo | Al | Cu | Nb | Ti | V | Ce |
| ≤ 0.10 | ||||||
| N | Co | Pb | B | Other | ||
| Cu+10Sn+-0.60 | ||||||
55Si7 Spring Steels
Products Description 55Si7 spring steels are highly regarded in the field of engineering and manufacturing for their exceptional properties and versatility. These steels are known for their remarkable strength, durability, and resilience. The unique composition of 55Si7 spring steels gives them...
Description
Products Description
55Si7 Chemical composition and Mechanical properties
Mechanical Properties
| Properties | Conditions | ||
|---|---|---|---|
| T (°C) | Treatment | ||
| Density (×1000 kg/m3) | 7.7-8.03 | 25 | |
| Poisson's Ratio | 0.27-0.30 | 25 | |
| Elastic Modulus (GPa) | 190-210 | 25 | |
| Tensile Strength (Mpa) | 1158 | 25 | oil quenched, fine grained, tempered at 425°C |
| Yield Strength (Mpa) | 1034 | ||
| Elongation (%) | 15 | ||
| Reduction in Area (%) | 53 | ||
| Hardness (HB) | 335 | 25 | oil quenched, fine grained, tempered at 425°C |
Thermal Properties
| Properties | Conditions | ||
|---|---|---|---|
| T (°C) | Treatment | ||
| Thermal Conductivity (W/m-K) | 42.7 | 100 | |
| Specific Heat (J/kg-K) | 477 | 50-100 | |
55Si7 spring steels are highly regarded in the field of engineering and manufacturing for their exceptional properties and versatility. These steels are known for their remarkable strength, durability, and resilience.
The unique composition of 55Si7 spring steels gives them their outstanding characteristics. They typically contain a combination of silicon, manganese, and carbon, which contribute to their high tensile strength and excellent elasticity. This allows them to withstand heavy loads and repeated stress without losing their shape or integrity.
One of the key advantages of 55Si7 spring steels is their ability to return to their original shape after being deformed. This property, known as resilience, makes them ideal for applications where springs are required to absorb shock and energy. Whether it's in automotive suspensions, industrial machinery, or household appliances, 55Si7 steels provide reliable and consistent performance.
In addition to their strength and resilience, these steels also offer good corrosion resistance. This is particularly important in applications where the springs may be exposed to moisture, chemicals, or other corrosive elements. The resistance to corrosion helps to extend the service life of the springs and reduces the need for frequent maintenance and replacement.
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