d. All machines and equipment in a production line can connect with the software of the computer data collection system to complete the timely transmission of data information, and the performance parameters in the production process are monitored by the central control room. Peak crackKaguas, Spiral seam high-frequency welded steel pipe (sy- for general low-pressure fluid transportation takes hot-rolled steel strip coil as pipe blank and is often spiral formed at warm temperature. High frequency lap welding method is selected for welding spiral seam high-frequency welded steel pipe for general low-pressure fluid transportation. The small length of repair welding is mm; The raw material shall not exceed mm after grinding by welding edge.An Nuhud, The small length of repair welding is mm; The raw material shall not exceed mm after grinding by welding edge. Frame line crackMetallization: refers to the process of penetrating metal atoms into the surface layer of alloy steel pipe. It is to alloy the surface layer of steel so that the workpiece surface has the characteristics of some alloy steel. Aluminizing, chromizing, boronizing, the moment of inertia of the two main sleeves of the section is quite different, which makes it very limited in the scope of application. The use of I-beam shall be selected according to the requirements of design drawings. Ditch cover plate (ditch cover plate) is widely used in municipal roads, garden facilities,Kaguas18 how much is I-beam per meter, residential quarters, schools, stadium pipes and other places.Heating surface pipes, economizers, superheaters, reheaters, pipes for petrochemical industry,Kaguas30CrMo alloy pipe, etc. for high-pressure boilers (working pressure is generally above MPa and working temperature is between ℃ ~ ℃)Word of mouth recommendationSo why is the alloy pipe easy to rust after being pickled and passivated by the software?Alloy pipe is a very important way and type of seamless steel pipe. Its use is relatively common. It is widely used in various engineering projects, house construction and building decoration. Its fracture will always be found in the production, manufacturing and key marketing of alloy pipe, That is, many stages of production and processing are not done well. Another is that the seasoning is not enough and the proportion of chemical molecules is wrong. There are all reasons.Classification introduction

Plan scheme : high carbon steel with carbon content exceeding .% and alloy pipe with chromium content not less than %Potential development,KaguasAlloy pipe,Plan scheme : high carbon steel with carbon content exceeding .% and alloy pipe with chromium content not less than %Filling: welded pipe is welded by electric welding of hot-rolled strip steel, so its influence was not as high as that of seamless steel pipe. Miscellaneous scabKaguas,The shape of small longitudinal crack on the surface of alloy pipe is less than mm The overall width is less than mm The depth is lower than .mm.When selecting I-beam in structural design, reasonable I-beam shall be selected according to its mechanical properties, chemical properties, weldability and structural size. I-beam is mainly divided into ordinary I-beam, light I-beam and wide flange I-beam. According to the height ratio of flange to web, medium and narrow flange I-beams. The small length of repair welding is mm; The raw material shall not exceed mm after grinding by welding edge.