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:What's the difference between a spray plate and a colored steel plate?
Plastic sheet, first can choose the thickness and material on the plate, and then spray processing, and then processing the plastic powder color and quality can choose according to your requirements, general plastic plate from high-end to low-end can meet your requirements, if you need to own production will be cumbersome!
Q:What is the difference between an open plate and an original plate?
Open plate and the original plate are many industries are commonly used plate, although the appearance of such two plates are very similar, but there are other essential differences, these we all want to clear.x0d
Q:Should the carbon fiber reinforce the steel bar on the side of the beam?
Chemical anchorage, chemical anchor bolt, carbon fiber reinforcement, steel reinforcement, fill crack traps, rust, concrete cutting drilling and repairing concrete foundation reinforcement etc..
Q:What does steel plate "A3" mean?
A large number of applications in the construction and engineering structure. For the production of steel or building room frame, transmission tower, bridges, vehicles, boilers, containers, ships, also used as the performance requirements of mechanical parts is not too high,.C grade D steel can also be some professional steel.
Q:Can Q460C steel plate be used as Q235 steel plate?
Q460B can completely replace the Q235 structureQ460C belongs to low carbon high strength steel! Q235 belongs to the commonly used low carbon structural steel material.
Q:What's the density of the 0.5 color steel plate?
The traditional coating is divided into several categories, the most high-grade is fluorocarbon coating, almost 20 years of anti-corrosion. Generally from the steel mill to reel in the form of distribution to all parts.
Q:How is the weight of the steel plate calculated?
Steel plate by thickness, thin steel plate <4 mm (thinnest 0.2 mm), thick steel plate 4~60 mm, extra thick steel plate 60~115 mm.The steel plate is divided into hot-rolled and cold-rolled parts according to rolling.The width of the sheet is 500~1500 mm; the thickness is 600~3000 mm. According to the type of steel sheet, ordinary steel, stainless steel, alloy steel, spring steel, stainless steel, tool steel, heat-resistant steel, bearing steel, silicon steel and industrial pure iron sheet; according to professional use, with drums board, enamel board, bulletproof plate; surface coating and plating, plating with zinc thin plate, tin plate, plating lead sheet, plastic composite plate.
Q:What is the difference between hard steel plate and soft steel plate?
The so-called hard steel plate refers to the steel plate after processing has not been annealed, while the soft steel plate is annealed. Some die steels are subjected to pre hardening, and heat treatment is no longer necessary in the manufacture of injection moulds.
Q:Is 5mm thick steel plate tapping M8 thread reliable?
General use is no problem, because the general M8 nut is only about 5MM. Practical experience is not a big problem. As long as it's not the main bearing, there's no problem. Really feel unreliable, you can use more than a few screws on it.
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.

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