SHINESTAR STEEL GROUP CO., LTD

盛仕达钢铁股份有限公司

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  • Precautions for storage and transportation of large diameter spiral welded pipe

    Precautions for storage and transportation of large diameter spiral welded pipe

    What are the precautions for storage and transportation of large-diameter spiral welded pipes? The following editor will introduce it to you.   1. Pipe packaging should be able to avoid loosening and damage during normal loading, unloading, transportation and storage. 2. If the buyer has spe...
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  • Role of Welding Preheating

    Role of Welding Preheating

    Preheating means a process that heat weldments in whole or in weld areas before welding. Particularly good material for welding high strength level, hardening tendency of steel, thermal conductivity, thickness larger weldments, and when the ambient temperature is too low,welding zone often requir...
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  • Manufacture and application of seamless steel tube

    Manufacture and application of seamless steel tube

    Seamless tubes are tubes without seams or welds. Seamless steel tubes are considered to be able to withstand higher pressures, higher temperatures, higher mechanical stress and corrosive atmospheres. 1. Manufacturing Seamless steel tubes are manufactured using a number of different methods. The m...
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  • The importance and advantages of anti-corrosion steel pipe

    The importance and advantages of anti-corrosion steel pipe

    Anti-corrosion steel pipes play important and different roles in people’s daily life. Anti-corrosion steel pipes generally refer to the use of special processes to carry out anti-corrosion treatment on ordinary steel pipes (such as seamless pipes, welded pipes), so that the steel pipes have...
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  • ERW pipe standard

    ERW pipe standard

    ERW pipe standard are as follows: API 5L, ASTM A53 B, ASTM A178, ASTM A500/501, ASTM A691, ASTM A252, ASTM A672 API 5L Standard aims to gas and water in oil and gas industry for reference, which is used for seamless steel pipe and welded steel pipe,including common port and port, pipe socket port...
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  • Principle of automatic butt welding machine for steel pipe

    Principle of automatic butt welding machine for steel pipe

    The preheating flash welding process: before the continuous flash welding is stopped, the welding machine is preheated to the reinforcing steel. Clamp the steel bar on the jaw of the butt welder. After the power is turned on, the open end is used to make the end face of the steel bar smash with l...
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  • How to choose a high-quality seamless steel pipe manufacturer?

    How to choose a high-quality seamless steel pipe manufacturer?

    Most industries have relatively high requirements for seamless steel pipes, and steel pipes need to be purchased in batches during construction. Naturally, it is still necessary to measure the price and pay attention to the choice of manufacturers. So how to choose a high-quality seamless steel p...
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  • Hot-expanded seamless steel pipe manufacturing process – cross rolling

    Hot-expanded seamless steel pipe manufacturing process – cross rolling

    Cross rolling is a rolling method between longitudinal rolling and cross rolling. The rolling of the rolled piece rotates along its own axis, deforms and advances between two or three rolls whose longitudinal axes intersect (or incline) in the same direction of rotation. Cross rolling is mainly u...
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  • Cross-rolling piercing process and quality defects and their prevention

    Cross-rolling piercing process and quality defects and their prevention

    The cross-rolling piercing process is the most widely used in the production of seamless steel pipes, and was invented by the German Mannesmann brothers in 1883. The cross-rolling piercing machine includes two-roll cross-rolling piercing machine and three-roll cross-rolling piercing machine. The ...
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  • Surface processing defects of seamless tubes and their prevention

    Surface processing defects of seamless tubes and their prevention

    Surface processing of seamless tubes (smls) mainly includes: steel tube surface shot peening, overall surface grinding and mechanical processing. Its purpose is to further improve the surface quality or dimensional accuracy of steel tubes. Shot peening on the surface of seamless tube: Shot peenin...
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  • Factors affecting the quality of seamless tubes

    Factors affecting the quality of seamless tubes

    There are two categories of factors that affect the quality of seamless tubes: steel quality and rolling process factors. Many factors of the rolling process are discussed here. The main influencing factors are: temperature, process adjustment, tool quality, process cooling and lubrication, remov...
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  • How to control the defects on the inner surface of seamless tube?

    How to control the defects on the inner surface of seamless tube?

    The scarring defect in the hot continuous rolling seamless tube exists on the inner surface of the steel pipe, which is similar to the pit of the size of a soybean grain. Most of the scars have gray-brown or gray-black foreign matter. The influencing factors of internal scarring include: deoxidiz...
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