253mA heat-resistant steel 14835 S30815 F45 Composition and Characteristics and Application Forging.
253mA heat-resistant steel, also known as 14835, S30815 or F45 steel, is a high-temperature alloy steel material. It is an austenitic stainless steel with excellent heat resistance and oxidation resistance.
The following are the composition and characteristics of 253MA heat-resistant steel:
Composition: Iron (Fe): Remaining, Chromium (Cr): 20-22%, Nickel (Ni): 10-12%, Silicon (Si): 140-2.00%
Manganese (mn): 080-2.00%, phosphorus (p): 0040%, sulfur (s): 0030%, carbon (c): 005%
Nitrogen (n): 014%
Features: 1. Heat resistance: 253mA heat-resistant steel has excellent high temperature resistance and can work for a long time in a high-temperature environment below 1000.
2. Oxidation resistance: It has good oxidation resistance and can resist oxidation and corrosion at high temperatures.
3. Corrosion resistance: 253mA heat-resistant steel has good corrosion resistance to oxidizing and reducing environments, including sulfuric acid, nitric acid, chloride, etc.
4. Mechanical properties: It has good strength and toughness, and is suitable for heavy-duty working conditions at high temperatures.
Application Forging: 253mA heat-resistant steel is suitable for applications in various high-temperature environments, common applications include:
1. Stoves and furnaces: used to manufacture high-temperature resistant stoves and furnace components.
2. Furnace tubes and heating elements: used to manufacture high-temperature furnace tubes and heating elements, such as furnace tubes, plus ** rings, etc.
3. Petrochemical equipment: used to manufacture corrosion-resistant petrochemical equipment, such as furnace tubes, reactors, etc.
4. Environmental equipment: used to manufacture environmental equipment in high-temperature environments, such as boilers, heat exchangers, etc.
When forging 253mA heat-resistant steel, the following conditions should be noted:
1. Temperature control: The forging temperature is usually between 1000-1200, which can be adjusted according to the specific situation.
2. Heating rate: An appropriate heating rate should be used to avoid overheating and uneven heating of the material.
3. Forging pressure: select the appropriate forging pressure to ensure the uniform deformation and compaction of the material.
4. Annealing treatment: The forged material usually needs to be annealed to eliminate stress and improve the performance of the material.
Please note that specific forging conditions will vary depending on the application, material size, and requirements. In practice, the relevant standards and specifications should be referred to according to the specific situation, and the forging process should be followed.