2023-05-12 Production of hot-rolled seamless tube perforation is the most important step of deformation, its mission is to wear a solid tube rolled into a hollow tube. According to the structure and deformation characteristics piercing process of piercing machine can be divided into conventional perforating me
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2023-05-11 Features and benefits of seamless steel pipe1. High precision machining saves wear and tear when the user quantity.2. Specifications, wide range of applications.3. Cold rolled finished high accuracy, good surface quality, good straightness.4. The inner diameter of the pipe can be made hexagonal.5. S
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2023-05-10 Brittle tempering temperature range based on precision tubes can be divided into low and high temperature temper brittleness temper brittleness.After tempering brittleness precision tube alloy steel quenched martensite at a temperature range of 250 ~ 400 ℃ tempered steel embrittlement which a brittl
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