AISI 5140H Steel
Products Description AISI 5140H steel is a widely used alloy steel known for its excellent combination of properties. This steel contains elements such as carbon, chromium, and manganese, which contribute to its enhanced mechanical properties. The carbon content provides strength and hardness,...
Description
Products Description
AISI 5140H Steel Chemical composition
| Element | Weight % |
| C | 0.37-0.44 |
| Mn | 0.60-1.00 |
| Cr | 0.60-1.00 |
| P | 0.035 |
| S | 0.040 |
| Si | 0.15-0.30 |
AISI 5140H Steel 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 |
AISI 5140H Steel Thermal Properties
| Properties | Conditions | ||
|---|---|---|---|
| T (°C) | Treatment | ||
| Thermal Conductivity (W/m-K) | 42.7 | 100 | |
| Specific Heat (J/kg-K) | 477 | 50-100 | |
This steel contains elements such as carbon, chromium, and manganese, which contribute to its enhanced mechanical properties. The carbon content provides strength and hardness, while chromium adds corrosion resistance and hardenability. Manganese helps in improving toughness and ductility.
In terms of mechanical properties, AISI 5140H steel has a high tensile strength and yield strength. It can withstand heavy loads and stress without significant deformation or failure. The steel also exhibits good ductility, allowing it to be deformed without fracturing easily. This makes it suitable for applications where components are subjected to dynamic loads or impacts.
The hardenability of AISI 5140H steel is another important characteristic. It can be heat-treated to achieve a wide range of hardness levels, depending on the specific requirements of the application. This allows for customization of the steel's properties to meet different needs.
Corrosion resistance is also a notable feature of AISI 5140H steel. While not as highly corrosion-resistant as some stainless steels, it still offers reasonable protection against mild corrosive environments. In applications where corrosion is a concern, additional surface treatments or coatings can be applied to further enhance its resistance.
AISI 5140H steel is commonly used in various industries, including automotive, machinery, and construction. In the automotive industry, it is used for components such as gears, shafts, and crankshafts. In machinery, it is found in parts that require high strength and durability, such as bearings and axles. In construction, it can be used for structural components and tools.
The processing of AISI 5140H steel is relatively straightforward. It can be machined using standard cutting tools and techniques. Welding can also be performed, although proper welding procedures and filler materials should be used to ensure strong and reliable welds.
In conclusion, AISI 5140H steel is a versatile alloy steel with excellent mechanical properties, hardenability, and corrosion resistance. Its wide range of applications and ease of processing make it a popular choice in many industries. Whether for high-strength components or structural elements, AISI 5140H steel offers reliable performance and durability.
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