• manufacture direct supply steel flat; flat steel bars System 1
  • manufacture direct supply steel flat; flat steel bars System 2
  • manufacture direct supply steel flat; flat steel bars System 3
manufacture direct supply steel flat; flat steel bars

manufacture direct supply steel flat; flat steel bars

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Loading Port:
Tianjin
Payment Terms:
TT or LC
Min Order Qty:
1000 m.t.
Supply Capability:
10000 m.t./month

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Commodity: Q235 Steel Flat Bar

Standard: GB

Material: Q235

Brand name: FLATSPACE

Origin place: China

Thickness: 3mm-30mm

Width:20mm-200mm

Length: Max 12m

Certification: SGS/BV

Chemical composition of Q235

 

Alloy No

Grade

Element(%)

C

 

Mn

 

S

 

P

 

Si

 

 

Q235

 

 

B

 

 

0.12—0.20

 

0.3—0.7

 

≤0.045

 

≤0.045

 

 

≤0.3

 

 

Physical properties of Q235

 

Alloy No

Grade

Yielding strength point(Mpa)

Tensile strength (Mpa)

Elongation after fracture(%)

Thickness (mm)

Thickness (mm)

≤16

>16--40

>40--60

>60--100

≤16

>16--40

>40--60

>60--100

 

Q235

 

B

 

235

 

225

 

215

 

205

 

375--500

 

26

 

25

 

24

 

23

 

Usage/Applications of Q235 Steel Flat Bar

Widely used for construction, Machinery manufacturing, Iron tower steel structure, Shipbuilding; Steel grating, Staircase, Bridge, Viaduct, Railway spare parts, Boilers making etc.

Production Flow of Q235 Steel Flat Bar

The steel flat bar is made through three processes:

1.Feeding the material: Feeding the row material (the steel plate) to Slitting Line.

2.Slitting:The steel plate would be slitted into expected width by lengthways cutter.

3. Leveled and cutting: The plat bar would be ground into level by the grinder and then cut into required length.

Packaging & Delivery of Q235 Steel Flat Bar

Packaging Details: The Steel Flat Bars are packed in bundles and loaded in 20 feet/40 feet container, or shipped by bulk cargo ,also we can do as customer's requirements.

Delivery Details:30~45 days upon the receipt of buyer payment by T.T. or L/C.

Q: What is the use of slitting flat steel?
Compared with the conventional steel plate, slitting flat steel has the following advantages:1, the product surface is bright and clean. Two times in the process of high-pressure water descaling process, to ensure that the steel surface clean and bright.2, special product specifications. The thickness of 8~45mm, width 150-600mm, length 5-15m, and the product specifications span is dense, can meet the needs of users, instead of in use, without cutting board, we can directly carry out welding.3, both sides of the vertical, clear water chestnut. The two vertical rolling in the finishing mill ensures good verticality of both sides, clear corners and good quality of the edges.
Q: What are the different methods of surface patterning for steel flat bars?
There are several different methods of surface patterning for steel flat bars, each offering unique benefits and characteristics. 1. Hot Rolling: This method involves passing the steel flat bar through a series of heated rollers, which creates a uniform surface pattern. Hot rolling can produce patterns such as diamond, tear, or checker plate, providing enhanced grip and aesthetic appeal. 2. Cold Rolling: Similar to hot rolling, cold rolling involves passing the steel flat bar through a set of rollers. However, this process is performed at room temperature, resulting in a smoother and more refined surface pattern. Cold rolling is commonly used to create patterns like smooth or brushed finishes. 3. Embossing: Embossing is a technique that uses high pressure to imprint a pattern onto the surface of the steel flat bar. This method allows for the creation of intricate designs and textures, making it ideal for decorative purposes. 4. Sandblasting: Sandblasting involves blasting fine particles of sand or other abrasive materials onto the surface of the steel flat bar. This process creates a rough and textured finish, commonly used to enhance grip or create a unique aesthetic appearance. 5. Acid Etching: Acid etching is a chemical process that involves applying an acid solution to the surface of the steel flat bar. The acid selectively removes the top layer of the metal, creating a pattern or design. Acid etching is commonly used to create intricate and detailed patterns on the surface of the steel. 6. Laser Cutting: Laser cutting uses a high-powered laser beam to cut or engrave patterns onto the surface of the steel flat bar. This method provides precise and accurate results, allowing for the creation of complex designs and patterns. 7. Powder Coating: Powder coating involves applying a dry powder onto the surface of the steel flat bar and then heating it to form a protective and decorative coating. This method allows for the application of various colors and finishes, providing both aesthetic appeal and corrosion resistance. Overall, the different methods of surface patterning for steel flat bars offer a wide range of options for enhancing grip, improving aesthetics, and providing protection against corrosion. The choice of method depends on the desired pattern, functionality, and intended application of the steel flat bar.
Q: What line is the LEB line, please? Is it wire or flat steel or galvanized round bar?
In the local area of the building, a secondary potential connection shall be made according to the requirements of the total equipotential bonding.The LEB terminal board, that is, equipotential bonding terminal box, is mainly used to protect people from electric shock and fire caused by electricity.
Q: How do you cut steel flat bars to a specific length?
To cut steel flat bars to a specific length, you can use various tools such as a hacksaw, circular saw, or angle grinder equipped with a cutting disc suitable for metal. Measure the desired length accurately using a measuring tape or ruler, and mark the cut line on the steel bar. Secure the bar firmly in a vise or clamp to prevent any movement while cutting. Then, carefully follow the marked line and use the selected cutting tool to make a smooth and straight cut through the steel flat bar.
Q: How do steel flat bars perform in corrosive or acidic environments?
Steel flat bars generally perform well in corrosive or acidic environments, but their resistance to corrosion depends on the type of steel used and the specific properties of the environment. Stainless steel flat bars, for example, are highly resistant to corrosion in most acidic or corrosive environments. This is because they contain a minimum of 10.5% chromium, which creates a protective oxide layer on the surface of the steel that prevents further corrosion. Additionally, stainless steel flat bars can be alloyed with other elements such as nickel or molybdenum to enhance their corrosion resistance even further. However, not all steel flat bars are as resistant to corrosion. Carbon steel flat bars, for instance, are susceptible to rust and corrosion in acidic or corrosive environments. This is because they lack the protective oxide layer present in stainless steel. In such cases, additional measures like galvanization or coating the flat bars with corrosion-resistant materials may be necessary to protect them from corrosion. Overall, it is important to consider the specific type of steel used and the nature of the corrosive or acidic environment when determining the performance of steel flat bars in such conditions. Consulting with experts or referring to corrosion resistance charts can provide more specific information on the suitability of steel flat bars in different environments.
Q: Are steel flat bars suitable for making brackets or supports?
Certainly, steel flat bars prove to be a fitting choice when it comes to crafting brackets or supports. Given their robustness and longevity, they stand as an optimal solution for rendering structural reinforcement. The ease of cutting, shaping, and welding empowers the creation of tailor-made brackets or supports, apt for diverse applications. Moreover, steel flat bars exhibit remarkable resistance against bending and twisting forces, thereby guaranteeing steadfastness and dependability in any construction or engineering endeavor.
Q: How is a steel flat bar manufactured?
A steel flat bar is manufactured through a process known as hot rolling. This process involves heating a large rectangular steel billet until it reaches a malleable temperature. The billet is then passed through a series of rolling mills, where it is gradually compressed and shaped into a flat bar. The first step in manufacturing a steel flat bar is the preparation of the steel billet. The billet is typically made of carbon steel and is cast into a rectangular shape. It is then reheated in a furnace to a temperature that allows for easy shaping and manipulation. Once the billet reaches the desired temperature, it is fed into a series of rolling mills. These mills consist of a series of rollers that gradually reduce the thickness and shape of the steel billet as it passes through. The rollers apply a tremendous amount of pressure to the billet, which causes it to elongate and take on the desired flat shape. As the billet passes through the rolling mills, it is cooled and lubricated to prevent overheating and excessive wear. Water or air jets are often used to cool the steel, while lubricants such as oil or emulsions are applied to reduce friction and improve the surface finish. After several passes through the rolling mills, the steel billet is transformed into a flat bar with the desired dimensions. The bar is then cut to the required length and allowed to cool. Once cooled, it may undergo additional processes such as straightening, surface treatment, or quality inspection before it is ready to be shipped or used in various applications. Overall, the manufacturing process of a steel flat bar involves heating the steel billet, passing it through rolling mills to shape and reduce its thickness, and then cutting and cooling the bar to its final dimensions. This process ensures that the steel flat bar is produced with the necessary strength, durability, and surface finish required for its intended application.
Q: Are steel flat bars commonly used in the construction of recreational facilities?
Yes, steel flat bars are commonly used in the construction of recreational facilities. Steel flat bars are versatile and can be used in various applications, including the construction of recreational facilities such as sports stadiums, arenas, swimming pools, and amusement parks. They are often used for structural support, framing, and reinforcement purposes due to their high strength and durability. Steel flat bars provide stability and resistance to heavy loads, making them ideal for creating sturdy and long-lasting recreational facilities. Additionally, steel flat bars can be easily fabricated and customized to meet specific design requirements, allowing for flexibility in the construction process. Overall, the use of steel flat bars in recreational facility construction ensures safety, reliability, and longevity of the structures, making them a common choice in the industry.
Q: Do steel flat bars have a specific thermal conductivity?
Yes, steel flat bars do have a specific thermal conductivity. The thermal conductivity of steel is generally high, making it an excellent conductor of heat.
Q: Are steel flat bars susceptible to corrosion?
Yes, steel flat bars are susceptible to corrosion.

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