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Forging Method of Martensitic Stainless Steel Forgings

Time : 2024-01-02

Martensitic stainless steel forgings usually have excellent corrosion resistance, mechanical properties and strength, and are suitable for some special environments and requirements.

Martensitic stainless steel is a stainless steel with excellent properties that forms a martensite structure through heat treatment. Forging is a common metal processing method that can be used to create martensitic stainless steel forgings.

Martensite contains a higher level of carbon compared to other types of stainless steels, which makes it magnetic and less resistant to corrosion and oxidation. Martensitic stainless steel forgings, however, exhibit good ductility as well as high strength and are hardenable by heat treatment.

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The following is the general forging method:

Material selection: Select martensitic stainless steel materials suitable for forging to ensure they have good forgeability and heat treatment properties.

Preheating: Before forging, the raw material is preheated to improve its plasticity and reduce the strain during forging.

Forging blank design: Designing the appropriate shape of the forging blank, taking into account the shape and size of the final product. Ensure that a uniform martensite structure can be obtained during the forging process.

Forging process: Using forging equipment, place the preheated metal blank between the forging dies and apply appropriate pressure for forging. This can be achieved in different ways such as cold forging, warm forging or hot forging.

Heat treatment: After forging is completed, the forgings are subjected to appropriate heat treatment, including quenching and tempering, to form a martensite structure and adjust its hardness and strength.

Machining: Necessary machining is performed on the forged parts to meet the requirements of the final product.

Quality inspection: Carry out quality inspection to ensure that forged parts meet the specified technical requirements and standards.

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