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P355NL1 what kind of material is the steel plate?
- Use: used in petroleum, chemical industry, power plant, boiler, for the production of reactor, heat exchanger, separator, tank, oil tank, liquefied gas, nuclear reactor pressure vessel, boiler, liquefied petroleum gas bottle, hydropower station high pressure pipes, turbine volute equipment and components.s
Are there any restrictions on the thickness of the steel plate, such as the minimum thickness of the steel plate?
- No minimum, no maximum, no requirements, what kind of plate can be welded, but the welding method is not the same as welding equipment.s
What is hot and cold rolled steel plate? How to distinguish? What high hardness? Which will produce noisy eye?
- By definition, ingot or billet is difficult to deform under normal temperature, easy processing, generally heated to 1100 to 1250 DEG C for rolling, the rolling process of hot rolled steel rolling. Most are called hot method. But because the surface under high temperature steel is easy to produce iron oxide, the surface roughness of hot rolled steel, size fluctuation so large, smooth surface, precise size, good mechanical properties of the hot rolled steel, semi-finished or finished products and raw materials for the production of cold rolling method. Under normal temperature, generally understood as cold, from the metal science point of view, the boundaries of cold rolling and hot rolling should be differentiated by the recrystallization temperature is lower than rolling recrystallization. The temperature is higher than the recrystallization temperature of cold rolling, rolling for hot rolled steel. The recrystallization temperature is 450 ~ 600 degrees. The difference: the simple point that 1, cold rolled plate surface has a certain gloss hand feels smooth, Similar to that used for drinking water is very common, such as hot rolled.2 steel cup without pickling treatment, is on the market and many are similar to ordinary steel plate surface, rusty surface is red, the surface of the rusty purple black (iron oxide).The performance advantages of cold rolled plate and strip is: 1, high precision, cold rolled strip thickness not more than 0.01~0.03mm.2, thinner, cold rolled steel strip rolling thickness 0.001mm hot rolling; now the thin can reach 0.78mm.3, the surface quality is more superior, cold rolled steel plate can even produce mirror surface; and the surface of hot rolled plate there are defects such as pitting of iron oxide,.4, cold rolled plate can be adjusted according to the running properties such as tensile strength and technological properties such as stamping performance requirements of the user.s
How many times a day can a steel pile be inserted?
- U type steel sheet pile generally has two kinds: one is the PU steel sheet pile, whose width is 600mm; the elastic bending moment from 600 ~ 3200cm3/m; reuse rate reached 30; very thick, suitable for high salinity, strong durability; two AU steel sheet pile, whose width is 750mm, the elastic cross section the surface resistance moment from 1410 to 2580cm3/m; and PU steel sheet pile compared to AU steel sheet pile is thinner and lighter but stronger; another angle, easy to pull out from the soil pile.s
What does "rolled steel" mean?.
- Rolling is a rolling process, the plate is kind of calendering material, not only some specific material, it can contain stainless steel and carbon steel materials, stainless steel with thickness of steel production for example, now the tolerance basic law, but in order to achieve a certain thicknesss
What are the functions and classifications of galvanized sheet?
- Transportation industry: car, car, car shell ceiling board, tractor, tram, container, highway fence, ship bulkhead etc.Other instruments shell, trash, billboards, watches, photographic equipment, measuring devices and other color coated steel plate with hot galvanized plate, hot galvanized plate, galvanized plate as the substrate, the surface of galvanized plate type pre processing include: hot galvanized plate, galvanized plate, tinplate, galvanized plate pressing and molding, with connecting hooks, without any accessories can be securely firmly connected mesh columns.Galvanized sheet according to its use can be divided into: activated alumina, galvanized plate, desiccant, galvanized plate and catalyst galvanized sheet. The inner cavity of the working room is made of high quality galvanized or stainless steel plate to make it rustproof and clean;s
What is a cold rolled sheet with plastic sprayed?
- After the cold rolled steel sheet is finished, the surface treatment needs to be carried out, including:1: electroplating: zinc plated, nickel plated, copper plated, gold plated, chrome plated,2: immersion plating: black, hot galvanizing3: spray: spray paint, spray, baking paint,4: polishing, point solution polishing, shot peening, shot blastings
How can the steel plate of flat welding 10mm make its deformation smaller?
- High technical content is: two side groove, one side of the groove is deep, one side of the groove is shallow, the depth of difference is a seam, the two sides welding at the same time, pay attention to the deep groove of this face to be in the lead.Other ways to prevent the in-plane deformation of steel plate are: back welding, skip welding and so on.s
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