Carbon Structural Steel plate

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Introduction

Ordinary carbon structural steel and ordinary carbon steel. The carboncontent of less than 0.25% 0.06-0.22%, the most commonly used. Belongs to the low carbon steel, in each metal steel grades, minimum yield point thickness is less than 16mm. Compared with high-quality carbon structural steel, carbon content, performance and phosphorus, sulfur and other residual element content range. Provide security conditions in the China and some countries,ordinary carbon steel is divided into three categories: Steel (Xing Gang), only to ensure that the mechanical properties, does not guarantee the chemical composition, type B steel (B steel), only to ensure that the chemical composition, does not guarantee the special mechanical properties; steel(steel). Not only guarantee the chemical composition and mechanical properties, guarantee. Manufacturing structural components often used in special steel is very important..

Component is mainly used for the production of carbon structure steel structure engineering. It is commonly used to supply conditions, high sulfur,phosphorus content in steel, allows up to 0.050% and 0.045% respectively.Steel accounted for a larger proportion, total output in this steel.

3 application of this kind of steel from oxygen converter, open hearth furnaceor electric furnacesmelting, hot rolled steel, steel strip, the general part and bar. Plate usually volume (including control rolling) or normalizing treatment delivery. The chemical composition of the steel, mechanical properties, andbendingperformance shall comply with the relevant provisions.

In the Chinese national standard GB700-88 steel according to yield values are divided into 5 grades, and by mass is divided into 4 level. With the letter Qsymbol level, yield, yield value, quality rating symbol, consisting of 4 parts of the deoxidation method according to the order of.

The scope of application of this kind of steel is very extensive, mainly used for welding, riveting or steel structural bolts, minority is producing all kinds of machinery parts. Q195, and low strength of Q215 steel, the production of low carbon steel wire. Stainless steel wire mesh, the roof plate, welded steel pipe,anchor bolts and rivets etc.. Q235 steel of moderate intensity, and has good plasticity and toughness, easy forming and welding. This steel usually used for reinforcing steel structure, also used as a rivet, a railroad spike and variousmechanical parts, such as bolts, connecting rod, connecting rod. 255, Q275 high strength steel used in agricultural machinery production, can also be used as reinforcement of railway fishplate.

According to the special requirements for steel performance in some industries, for ordinary carbon structural steel composition adjustment and a series of professional steel after forming, such as cold heading steel, bridge steel, pressure vessel steel, steel, steel for boiler. In addition to the chemical composition of the strict control of steel used, so that the performance of the conventional, but also provides some special inspection of the project, such as low temperature impact toughness, aging sensitivity, gas in steel, inclusions and fracture etc..

Overview of Q235A features and scope of applications: Q235A toughness and the plasticity is good, have certain elongation, has good welding properties and hot workability. Q235A is generally used in hot rolling state, with steel, the rolling steel, steel plate, steel pipe can be used for welded structures, bridges and generally not important machine parts manufacturing all kinds of, such as bolts, rivets, rings and connecting rod, etc..

Said method: the symbolic quality rating symbol + deoxidation method of Q+ digital + composition. Its steel dubbed "Q", representing the yield point of steel, behind the figures to show that the yield point value units are MPa Q235 says such yield point (s) of carbon structural steel, 235 MPa. The necessary grades can be followed Mark said quality grade and deoxidizing method symbol. Quality level symbols are for A, B, C, D. Deoxidation method symbol: F said rimming steel;

B said semi killed steel: Z said calm steel; TZ said special calm steel, steel standard symbols not calm, namely Z and TZ are not standard. For example, Q235-AF said a rimmed steel. Carbon steel specially uses, such as for bridge steel.


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Q:Can the steel surface be made of epoxy resin flooring?
According to the characteristics of epoxy resin, it should be possible
Q:What's the difference between low carbon steel and cold rolled steel?
Finally, low carbon steels do not always have to be cold rolled. I can only pass through hot rolling. See what you do.
Q:What is the difference between the zinc plated color guide and the profiled steel sheet?
Because the original plate is very thin, the quality of the anticorrosive coating directly affects the service life of the profiled steel sheet. In order to meet the requirements of processing and rust prevention, the coated steel plate shall be examined in accordance with the relevant provisions. Under normal circumstances, thin steel plate can also be used according to the requirements, after pressing type, and then coated with anti rust paint, or use stainless steel sheet, the original plate.Profiled steel sheet used in industrial plants, housing panels, wall panels, in the absence of general insulation requirements, steel per square meter of about 5~11 kilograms. Insulation requirements, availability of mineral wool board, glass wool, foam and other insulation materials. The profiled steel plate and the concrete are combined into a composite floor board, and the wooden formwork can be omitted, and the utility model can be used as a load-bearing structure. At the same time to strengthen the binding force of steel sheet and concrete, should be pre welding studs in steel plate or pressing two-way stiffener
Q:Can 16Mn steel plate be used instead of Q345D steel plate?
If the use of Q345D instead of using 16Mn, that can be, but 16Mn instead of Q345D can not, and also can not buy 16Mn steel now, that is the old number, and the latest brand is Q345A
Q:Larson steel sheet pile and what is the difference between the hot cold
Therefore, the same technical parameters, usually hot-rolled, will be slightly lighter proportion.For example, 14mm cold bend and 15.5mm SP-IV steel sheet pile, if they are 400mm width, cold-formed steel sheet pile will be heavier than hot rolled steel pileCold-formed steel sheet pile has 8-10mm thickness, although the product is light weight, but the technical parameters are correspondingly reduced.
Q:Will the plating steel be rusty? Will it rust when touching the water?
Plating (Electroplating) process is to use the principle of electrolysis plating on a thin layer of metal or alloy in some metal surface, is the process of making the surface of metal or other material parts attached to a layer of metal film by electrolysis so as to prevent metal oxide (rust), improve wear resistance, electrical conductivity, reflection, corrosion resistance (copper sulfate) and improves the appearance effect. The outer layers of many coins are also electroplated.
Q:Is the steel plate 1.5 meters wide and 2 meters wide at the same price? .
For specific quotation, you need to consult the seller of the steel plate, you give him the size you want, and he will calculate the situation after cutting to quote you.
Q:P355NL1 what kind of material is the steel plate?
P355NL1 is the EU standard cryogenic quality grade steel.Its quality parameter is:Thickness 8-260mm;Tensile strength Rm630-450MPa;Yield strength: 355-295MPa;The elongation after fracture is 21-22%.
Q:Can the steel sheet pile retaining structure be watertight and impervious?
If the channel is certainly not, but Larson type steel sheet pile is able to, and the effect is not bad. Because the density of channel steel is inferior to that of steel sheet pile
Q:Is galvanized steel plate or iron plate?
From the point of view of metal science, there is a misunderstanding here. If you want to be familiar with the metal science, you will not ask this question. This is also a misunderstanding that many people coexist.

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