S30C Chemical composition
| C ≤ |
Si ≤ |
Mn ≤ |
P ≤ |
S ≤ |
Cr | Ni |
|---|---|---|---|---|---|---|
| 0.27-0.33 | 0.15-0.35 | 0.6-0.9 | 0.03 | 0.03 | ≤0.2 | ≤0.2 |
| Mo | Al | Cu | Nb | Ti | V | Ce |
| ≤0.3 | ||||||
| N | Co | Pb | B | Other | ||
| Cr+Ni≤0.35 | ||||||
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Products Description S30C steel is a type of carbon steel with specific characteristics and properties. Here are the detailed data of S30C steel: S30C steel has moderate carbon content, which gives it a good balance between strength and ductility. It is known for its excellent machinability,...
| C ≤ |
Si ≤ |
Mn ≤ |
P ≤ |
S ≤ |
Cr | Ni |
|---|---|---|---|---|---|---|
| 0.27-0.33 | 0.15-0.35 | 0.6-0.9 | 0.03 | 0.03 | ≤0.2 | ≤0.2 |
| Mo | Al | Cu | Nb | Ti | V | Ce |
| ≤0.3 | ||||||
| N | Co | Pb | B | Other | ||
| Cr+Ni≤0.35 | ||||||
| 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 |
S30C steel has moderate carbon content, which gives it a good balance between strength and ductility. It is known for its excellent machinability, making it easy to shape and process. The steel has a relatively high tensile strength, enabling it to withstand significant mechanical stress.
In terms of chemical composition, S30C steel typically contains carbon, manganese, silicon, and small amounts of other elements. The carbon content provides hardness and strength, while manganese and silicon contribute to improved toughness and hardenability.
The microstructure of S30C steel consists of ferrite and pearlite. This combination gives the steel its desirable mechanical properties. Ferrite provides ductility, while pearlite adds strength.


S30C steel is widely used in various industries. It is commonly employed in the manufacturing of machinery parts, shafts, gears, and structural components. Its good weldability also makes it suitable for fabrication processes that involve welding.
Furthermore, S30C steel has good fatigue resistance, allowing it to endure repeated loading and unloading without significant damage. It also has reasonable corrosion resistance, although additional surface treatments may be required in harsh environments.
In summary, S30C steel is a reliable and versatile carbon steel with specific mechanical and chemical properties. Its combination of strength, ductility, machinability, and weldability makes it a popular choice for many applications.
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