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  • Classification of seamless steel pipes

    Seamless steel pipe is perforated by the whole round steel, and the steel pipe without weld on the surface is called seamless steel pipe. According to the production method, seamless steel pipe can be divided into hot-rolled seamless steel pipe, cold-rolled seamless steel pipe, cold drawn seamles...
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  • Application of seamless steel pipe

    Application of seamless steel pipe

    Seamless steel pipe is widely used. 1. Seamless steel pipes for general purposes are rolled by ordinary carbon structural steel, low alloy structural steel or alloy structural steel, with the largest output. They are mainly used as pipes or structural parts for conveying fluid. 2. There are three...
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  • About seamless steel pipe

    About seamless steel pipe

    Seamless steel pipe is widely used. 1. Seamless steel pipes for general purposes are rolled by ordinary carbon structural steel, low alloy structural steel or alloy structural steel, with the largest output. They are mainly used as pipes or structural parts for conveying fluid. 2. There are three...
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  • Characteristics of seamless steel pipe

    Characteristics of seamless steel pipe

    Seamless steel pipe is perforated by the whole round steel, and the steel pipe without weld on the surface is called seamless steel pipe. According to the production method, seamless steel pipe can be divided into hot-rolled seamless steel pipe, cold-rolled seamless steel pipe, cold drawn seamles...
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  • Precision tube: a brief introduction of precision tube

    Precision tube: a brief introduction of precision tube

    If ordinary steel pipe is selected, there will be a big error between the ordered steel pipe and the received steel pipe. Even in different parts of the steel pipe, the inner diameter or wall thickness will vary greatly. But precision tubes are different. This kind of steel pipe has very strict r...
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  • China Steel Association: national steel output in November 2020

    China Steel Association: national steel output in November 2020

    In November 2020, China will produce 87.6598 million tons of crude steel, a year-on-year increase of 7.97%, a daily output of 2.922 million tons / day, a month on month decrease of 1.76%; produce 72.052 million tons of pig iron, a year-on-year increase of 4.72%, a daily output of 2.402 million to...
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  • Characteristics of precision steel pipe for mechanical fittings

    Characteristics of precision steel pipe for mechanical fittings

    The remarkable characteristics of precision steel pipe for mechanical fittings are as follows: 1. High tolerance dimension precision, product precision is controlled within the tolerance + – 0.05 mm; good finish, no oxidation layer on the internal and external surfaces, good inner wall clea...
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  • Advantages of choosing precision steel pipe

    Advantages of choosing precision steel pipe

    The advantages of choosing precision steel pipe are described in the following points The advantages of choosing precision steel pipe are as follows: 1. Improve the surface roughness. 2. Correct roundness. 3. Improve the surface hardness and reduce the stress deformation. 4. There is residual str...
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