H13 tool steel round bar

Chemical Composition of H13 Tool Steel:

 - Carbon (C): The carbon content is in the range of 0.32% to 0.45%. Carbon provides hardness and strength to the steel, which is essential for its performance in various applications.

- Chromium (Cr): Chromium content is approximately 4.75% to 5.50%. Chromium enhances the steel's hardness, wear resistance, and corrosion resistance at high temperatures. It helps the steel to resist softening when exposed to high temperatures, which is crucial for its use in hot work applications.

- Molybdenum (Mo): Molybdenum is present in an amount of 1.10% to 1.75%. Mo improves the toughness and hot hardness of the steel, allowing it to maintain its mechanical properties at elevated temperatures.

- Vanadium (V): Vanadium content ranges from 0.80% to 1.20%. Vanadium helps in forming hard carbides, which contribute to the increased wear resistance of the steel.

- Silicon (Si): The silicon content is between 0.80% and 1.20%. Silicon helps in improving the oxidation resistance and high-temperature strength of the steel.

- Manganese (Mn): Manganese is present in a quantity of 0.20% to 0.50%. Manganese helps in improving the hardenability and toughness of the steel.

- Phosphorus (P) and Sulfur (S): The phosphorus content is limited to 0.03% or less, and the sulfur content is also 0.03% or less. These elements are impurities, and keeping their contents low is important to ensure the quality and performance of the steel.

 Properties of H13 Tool Steel:

 - High Hardness: H13 tool steel has relatively high hardness, which enables it to resist deformation and wear under heavy loads and high temperatures.

- Good Toughness: It exhibits good toughness, meaning it can withstand impact and shock without cracking easily. This property is important for tools and molds that are subjected to dynamic loads during operation.

- Excellent Heat Resistance: Possesses excellent heat resistance and can maintain its mechanical properties at elevated temperatures. It has high resistance to thermal softening, which makes it suitable for use in hot work environments.

- Good Fatigue Resistance: Has good fatigue resistance, which is essential for tools and molds that are subjected to cyclic loading during operation.

- Good Machinability: H13 tool steel has relatively good machinability compared to some other high-performance tool steels, which makes it easier to process and manufacture into various tools and molds.

- Good Ductility: It also shows good ductility, which allows it to be formed and processed into different shapes and sizes without cracking or breaking easily.

 Uses and Application Fields of H13 Tool Steel:

 - Die-casting and Forging Molds: Widely used in the production of die-casting molds for aluminum, copper, and their alloys, as well as forging molds. It can withstand the high temperatures and pressures involved in these processes.

- Hot Shear Blades: Used for making hot shear blades that are used in high-temperature cutting operations, such as in the steel industry.

- Plastic Molds: Suitable for making plastic molds, especially for thermoplastic materials. Its ability to endure rapid cooling and heating cycles makes it an ideal choice for these applications.

- Hot Forging Dies: Applied in the manufacturing of hot forging dies, where it can withstand the high impact and deformation forces during the forging process.

- Pressure Components: Used for manufacturing pressure components such as pressure pads, followers, and backing plates in various machinery and equipment.

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