34Mn2V (Oxygen-acetylene cut after rolling) non-metallic inclusions

Metallographic map 1155 20/06/2023 1054 Sophie

Non-Metallic Inclusions of 34Mn2V (After Rolling Oxy-Acetylene Cutting) Non-metallic inclusions are a kind of impurity in steel, which usually have a negative impact on the properties or requirements of steel. The presence of non-metallic inclusions can reduce the strength, plasticity and fatigue......

Non-Metallic Inclusions of 34Mn2V (After Rolling Oxy-Acetylene Cutting)

Non-metallic inclusions are a kind of impurity in steel, which usually have a negative impact on the properties or requirements of steel. The presence of non-metallic inclusions can reduce the strength, plasticity and fatigue property of steel, and even cause surface defects and reduce the performance of steel. Different steel grades vary in the type, size, and properties of non-metallic inclusions, which can be effectively controlled by the selection of raw materials, control of metallurgical processes, and addition of electromagnetic stirring and extrusion. The following article will discuss the non-metallic inclusions of 34Mn2V (after rolling oxy-acetylene cutting).

The 34 Mn2V (after rolling oxy-acetylene cutting) steel contains various non-metallic inclusions, such as alumina (Al2O3), manganese sulfide (MnS), iron oxide (Fe2O3), silica (SiO2), and chrome oxide (Cr2O3). Of these non-metallic inclusions, the most important are both alumina and manganese sulfide, which is mainly due to the large amount of manganese present in the steel and its beneficial effect on rust resistance, strength, and heat treatment properties. The presence of alumina increases the oxidation resistance of the steel, while manganese sulfide increases the high-temperature strength.

Among the non-metallic inclusions of 34Mn2V (after rolling oxy-acetylene cutting) steel, some are globular and some are flaky. Globular inclusions are generated in the steelmaking process and are mainly alumina and MnS, while flaky inclusions mainly occur as a result of rolling and cutting. Flaky inclusions can be divided into three types: fibriform inclusions, plate-like inclusions, and schleif-like inclusions. In the globular type of non-metallic inclusions in 34Mn2V steel, the alumina is dispersive and the MnS is uniform.

The size of non-metallic inclusions present in 34Mn2V (after rolling oxy-acetylene cutting) steel ranges from 0.5 to 2 mm. The size of the non-metallic inclusions has a significant effect on the performance of the steel. In general, the smaller the size of the non-metallic inclusions, the better the performance of the steel. However, if the non-metallic inclusions are too small, it may cause thermal embrittlement of the steel.

In conclusion, non-metallic inclusions of 34Mn2V (after rolling oxy-acetylene cutting) steel mainly includes alumina, manganese sulfide, iron oxide, silica, and chrome oxide components, of which the most important are both alumina and manganese sulfide. The size of the non-metallic inclusions ranges from 0.5 to 2 mm, and its size has a significant effect on the performance of the steel. It is important to control the size of the non-metallic inclusions to ensure the performance of the steel.

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Metallographic map 1155 2023-06-20 1054 "AzureDreamer"

: 34Mn2V is a non-metallic inclusions (NMIs) which is processed by rolling-oxy-acetylene cutting method. It has low thermal expansion coefficient and enhanced strength. The release of non-metallic inclusions from steels is a challenge in the steel industry, usually process like rolling and cuttin......

34Mn2V is a non-metallic inclusions (NMIs) which is processed by rolling-oxy-acetylene cutting method. It has low thermal expansion coefficient and enhanced strength.

The release of non-metallic inclusions from steels is a challenge in the steel industry, usually process like rolling and cutting are used to reduce their quantity. 34Mn2V is considered one of the most effective methods for reducing NMIs. This method uses roller compression and oxy-acetylene cutting to reduce the size of the particles.

The rolling process of 34Mn2V involves compressing the steel between two rollers in order to flatten it and make it easier to cut. Upon completion of the rolling process, oxy-acetylene cutting method is used to reduce the size of the particles and make them uniform in size. The oxy-acetylene flame is used to cut the particles with a precise and controlled flame that limits the release of particles into the environment.

The rolling-oxy-acetylene cutting method helps reduce NMIs amount and also improve the homogeneity and quality of the steel. The steel obtained has improved strength, superior surface finish, and minimized distortion. The reduced thermal expansion coefficient of 34Mn2V is also beneficial for improving plasticity and hardness of steel.

The rolling-oxy-acetylene cutting used for 34Mn2V is a cost-effective and environment friendly method of reducing non-metallic inclusions. It helps to reduce the amount of NMIs and also to maintain proper size and an improved surface finish. It helps to improve the mechanical properties of the steel, making it more durable and better suited for industrial applications.

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