? Wuxi Duorunde Steel Tube Co., Ltd (My Answer); GB-T3639 Precision Seamless Steel Tube is a kind of precision seamless steel tube produced by using GB-T3639 standard, which has the characteristics of high precision, high finish, high strength, etc. It is suitable for the manufacture of some mechanical parts and hydraulic components, etc. which have high requirements for precision and quality. In contrast, general seamless steel tubes may use different production processes and materials, so there may be some differences in performance and quality.
Finely drawn steel tubes and precision steel tubes are differently called types of steel tubes, and their difference mainly lies in the production process and accuracy requirements. Fine-drawing steel tube is usually produced by the fine-drawing process, which has the characteristics of high precision and high finish, and is suitable for the manufacture of some mechanical parts with high requirements for precision and quality. Precision steel pipe is a kind of seamless steel pipe with higher precision requirements than ordinary seamless steel pipe, which is suitable for manufacturing some mechanical parts and pipeline systems with higher precision and quality requirements.
Special thick-walled pipe is a kind of seamless steel pipe with special wall thickness, which is suitable for manufacturing some mechanical parts with special requirements on wall thickness or need to withstand greater pressure. In contrast, general seamless steel tubes may be made with different wall thicknesses and materials, so there may be some differences in performance and quality.
16Mn Precision Tube is a kind of precision seamless steel tube using 16Mn steel as raw material, which has better plasticity and toughness, and is suitable for manufacturing some parts that need to withstand larger deformation. Compared with 20# seamless steel tube, 16Mn precision tube may be more excellent in plasticity and toughness.
In general, different types of seamless steel tubes have different standards and requirements in terms of production process, material quality, mechanical properties and so on, so they have different performance and quality. When choosing and using, you need to choose and judge according to the specific application scenarios and requirements.
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Besides the above mentioned types of high-performance seamless steel tubes, there are some other types of high-performance seamless steel tubes, such as seamless stainless steel tubes, seamless titanium alloy tubes, seamless nickel alloy tubes and so on, which are characterized by higher corrosion resistance, abrasion resistance, and other special properties, and are suitable for some specific application scenarios.
When choosing and using high-performance seamless steel tubes, you need to pay attention to the following:
Material quality: high-performance seamless steel tubes are usually made of high-quality materials, such as stainless steel, titanium alloy, nickel alloy, and so on, and therefore, you need to pay attention to the quality and purity of the materials.
Production process: Different types of high-performance seamless steel tubes require different production processes and processing methods, so the reliability of the production process and accuracy control capability need to be considered in the selection.
Mechanical properties: Different types of high-performance seamless steel pipe have different mechanical properties, such as strength, toughness, hardness, corrosion resistance, etc., which need to be selected according to the specific application scenarios.
Precision control: High-performance seamless steel tubes usually need to be characterized by high precision and high finish, so attention needs to be paid to the precision control and reliability of the machining process.
Scope of application: Different types of high-performance seamless steel tubes are suitable for different application scenarios and working environments, so you need to choose the right type and specification according to the specific application scenario.
In short, when choosing and using high-performance seamless steel pipe, you need to select and judge according to the specific application scenarios and requirements, and pay attention to the quality of the material, the production process, the mechanical properties, precision control and other aspects.