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Mechanical Properties of Martensitic Stainless Steel 42040 4Cr13
Martensitic stainless steel 42040 4Cr13, also known by the trade name AISI 42040, is a type of stainless steel which is ferromagnetic, corrosion resistant, and highly wear resistant. This material is commonly used for applications in the power transmission industry, where durability and wear resistance are important.
Martensitic stainless steel 42040 4Cr13 has a high resistance to pitting and crevice corrosion, as well as an excellent resistance to oxidation. This material has an excellent resistance to stress corrosion cracking in aqueous chloride solutions. As a result, it is often used in chemical process and food processing equipment.
Martensitic stainless steel 42040 4Cr13 also exhibits excellent abrasion resistance, making it suitable for applications involving high-contact wear. The material has a good resistance to corrosion caused by oxidizing agents, and can be used in environments with exposure to sea water.
Tensile strength is an important mechanical property of martensitic stainless steel 42040 4Cr13 and is defined as the maximum force per unit area required to break a material. The ultimate tensile strength of this material is between 1250 MPa and 1300 MPa. In addition, the yield strength of this material is between 1150 MPa and 1200 MPa.
One of the most important properties of martensitic stainless steel 42040 4Cr13 is its hardness. This material has a Vickers hardness of between 270 and 310. That is, the material will undergo a permanent deformation when a force of 250 to 290 kg is applied to it. This makes martensitic stainless steel 42040 4Cr13 suitable for applications involving high contact stresses and abrasive wear.
In addition to the aforementioned properties, martensitic stainless steel 42040 4Cr13 is known to have excellent weldability and formability. For example, it can easily be arc-welded using conventional techniques. This material can also be cold-formed to complex shapes and sizes with relative ease.
Martensitic stainless steel 42040 4Cr13 is widely used in applications where corrosion resistance, wear resistance and abrasion resistance are key requirements. This material is also attractive for its relatively low cost and easy formability and weldability. It is suitable for use in a wide range of industrial, automotive and power transmission applications.
