What material is S50C?
In the fields of industrial manufacturing and machining, the performance of materials directly affects the quality and life of the product. As a commonly used carbon structural steel, S50C is widely used in the manufacturing of various mechanical parts, molds and tools due to its excellent mechanical properties and processing characteristics. This article will introduce the material properties, chemical composition, mechanical properties and application scenarios of S50C in detail to help readers fully understand this material.
1. Material characteristics of S50C
S50C is a type of carbon structural steel in the Japanese Industrial Standard (JIS) and belongs to the category of medium carbon steel. Its carbon content is about 0.47%-0.53%, has high strength and hardness, and has good cutting performance and heat treatment performance. S50C is usually quenched and tempered to further improve its mechanical properties and is suitable for parts requiring higher strength and wear resistance.
2. Chemical composition of S50C
| element | Content (%) |
|---|---|
| Carbon (C) | 0.47-0.53 |
| Silicon (Si) | 0.15-0.35 |
| Manganese (Mn) | 0.60-0.90 |
| Phosphorus (P) | ≤0.030 |
| Sulfur(S) | ≤0.035 |
3. Mechanical properties of S50C
S50C can exhibit excellent mechanical properties after proper heat treatment. The following are its typical mechanical property data:
| Performance indicators | numerical value |
|---|---|
| Tensile strength (MPa) | ≥685 |
| Yield strength (MPa) | ≥490 |
| Elongation (%) | ≥17 |
| Hardness(HB) | 187-229 |
4. Heat treatment process of S50C
S50C is typically quenched and tempered to optimize its properties. The following are common heat treatment process parameters:
| Heat treatment process | Temperature (℃) | cooling medium |
|---|---|---|
| Quenching | 820-870 | water or oil |
| Tempering | 150-200 | air |
5. Application scenarios of S50C
S50C is widely used in the following fields due to its excellent mechanical properties and processing characteristics:
1.Mechanical parts: Such as shafts, gears, connecting rods and other parts that require high strength and wear resistance.
2.Mold making: Used for manufacturing stamping molds, plastic molds, etc.
3.tool making: Manufacturing of hand tools such as wrenches and pliers.
4.Automobile industry: Used to manufacture automobile chassis parts, transmission components, etc.
6. Comparison between S50C and other materials
Compared with other carbon structural steels, S50C has excellent performance in strength and hardness, but its toughness is relatively low. Here's how the S50C compares to the S45C and S55C:
| Material | Carbon content (%) | Tensile strength (MPa) | Hardness(HB) |
|---|---|---|---|
| S45C | 0.42-0.48 | ≥570 | 170-217 |
| S50C | 0.47-0.53 | ≥685 | 187-229 |
| S55C | 0.52-0.58 | ≥735 | 197-241 |
7. Market status of S50C
In recent years, with the rapid development of manufacturing industry, the demand for S50C has grown steadily. Especially in the automotive, machinery and mold industries, S50C is favored for its high cost performance and stable performance. Common S50C products on the market include round steel, flat steel, plates, etc., with various specifications to meet the needs of different customers.
8. Summary
As a medium carbon structural steel, S50C has high strength, hardness and good processing properties, and is widely used in mechanical parts, mold and tool manufacturing and other fields. Through reasonable heat treatment process, its mechanical properties can be further improved to meet the use requirements under different working conditions. When selecting materials, S50C or other carbon structural steel must be reasonably selected based on specific application scenarios and performance requirements.
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