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What aspects should be considered when selecting the material of drill collars
release time：2024-06-24
source： network
As an important component of petroleum drilling tools, the material selection of drill collars is crucial. Common drill collar materials include steel, hard alloy, ceramics, etc.
1. Steel: Non magnetic drill collars made of steel have the characteristics of wear resistance, high hardness, and good toughness, and are widely used in metal processing, drilling, and other fields. The strength and toughness of steel make it an important choice for drill collar materials.
2. Hard alloy: Hard alloy is one of the commonly used materials for non-magnetic drill collars, made by adding metals such as tungsten and cobalt. The characteristics of hard alloys are high hardness, high strength, and corrosion resistance, making them suitable for materials with high processing difficulty.
3. Ceramics: Ceramics have excellent high temperature, wear resistance, corrosion resistance, and long service life. However, due to the poor toughness of ceramics, fracture may occur during the processing.
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