Standard Size Q235 Hot Rolled Steel Flats from China

Standard Size Q235 Hot Rolled Steel Flats from China System 1

Standard Size Q235 Hot Rolled Steel Flats from China

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Loading Port:: China main port

Payment Terms:: TT or LC

Min Order Qty:: 50 m.t.

Supply Capability:: 200000 m.t./month

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Details of Standard Size Q235 Hot Rolled Steel Flats from China

Minimum Order Quantity:	25MT	Unit:	m.t.	Loading Port:	China Main Port
Supply Ability:	80000-100000MTS/YEAR	Payment Terms:	TT or LC

Specification of Standard Size Q235 Hot Rolled Steel Flats from China

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 Standard Size Q235 Hot Rolled Steel Flats from China

Alloy No

Grade

Element(%)

Q235

0.12—0.20

0.3—0.7

≤0.045

≤0.3

Physical properties of Standard Size Q235 Hot Rolled Steel Flats from China

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 Standard Size Q235 Hot Rolled Steel Flats from China

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 Standard Size Q235 Hot Rolled Steel Flats from China

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 Standard Size Q235 Hot Rolled Steel Flats from China

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.

Pictures of Standard Size Q235 Hot Rolled Steel Flats from China

Standard Size Q235 Hot Rolled Steel Flats from China

Q: Are steel flat bars suitable for the construction of cultural or arts venues?: The construction of cultural or arts venues can indeed make use of steel flat bars. Steel is a versatile and durable material with various architectural applications. It offers several advantages that make it an ideal option for cultural or arts venues. To begin with, steel flat bars provide excellent structural support. They possess high tensile strength and can bear heavy loads, making them suitable for constructing large and complex structures like theaters, concert halls, or art galleries. Steel's strength-to-weight ratio is also beneficial, allowing for the creation of spacious and open designs without compromising stability. Moreover, steel flat bars offer design flexibility. They can be easily shaped, bent, or welded to create intricate and artistic structures. This allows architects and designers to incorporate unique and visually appealing elements into their designs, enhancing the aesthetic appeal of cultural or arts venues. Additionally, steel is a sustainable building material. It is highly recyclable, and its production process consumes less energy compared to other construction materials. This makes steel flat bars an environmentally friendly choice, aligning with the growing emphasis on sustainable construction practices. Furthermore, steel's durability ensures that cultural or arts venues constructed with steel flat bars will have a long lifespan. Steel is resistant to corrosion, fire, and pests, reducing maintenance and repair costs over time. This durability makes it a reliable choice for venues that are expected to withstand heavy foot traffic and frequent usage. In conclusion, steel flat bars are indeed suitable for the construction of cultural or arts venues. Their strength, design flexibility, sustainability, and durability make them a popular choice among architects and developers. By utilizing steel, cultural or arts venues can be built to withstand the demands of artistic performances and exhibitions while also providing aesthetically pleasing and sustainable spaces for the public to enjoy.

Q: Can steel flat bars be used for making cutting tools?: Steel flat bars can indeed be used for making cutting tools, depending on the specific application and the type of steel used. Steel is a versatile material that can be hardened and tempered to varying degrees, making it suitable for different cutting tasks. However, it is important to choose the right type of steel for the desired cutting tool. High-carbon steels, such as tool steel or carbon steel, are often preferred for making cutting tools as they offer excellent hardness and wear resistance. Additionally, the flat shape of steel bars can be easily shaped and ground into various cutting tool designs, such as chisels or knives. It is crucial to properly heat treat the steel to achieve the desired hardness and toughness, ensuring that the cutting tool performs optimally and maintains its sharpness over time.

Q: What is the thickness deviation of 40*4 galvanized flat steel?: 40 is the width of the section steel, 4 is the thickness of the steel, and the unit is mm.Flat, refers to the width 12-300mm, thickness 4-60mm, cross section is rectangular in shape and with a blunt edge of steel. Flat steel can be finished steel, or can be used as the blank of welded pipe and thin slab for laminated sheet rolling.

Q: Are steel flat bars available in different surface roughness options?: Different surface roughness options are available for steel flat bars. The manufacturing process and intended use of the product can cause the surface roughness of steel flat bars to vary. Steel flat bars can have a smooth, polished surface finish, which is often used for decorative purposes or in applications where a clean and aesthetically pleasing appearance is desired. Conversely, a rougher surface finish can also be applied to steel flat bars, which is commonly used in industrial or heavy-duty applications where improved grip or enhanced friction is necessary. The production process allows control of the surface roughness of steel flat bars through techniques such as grinding, sandblasting, or chemical treatments. As a result, customers can choose steel flat bars with different surface roughness options based on their specific requirements and preferences.

Q: What are the different methods of polishing steel flat bars?: To achieve the desired finish and level of polish, various methods can be employed for polishing steel flat bars. One widely used technique involves the use of sandpaper or abrasive pads. By gradually progressing from coarser grits like 80 or 120 to finer ones like 400 or 600, imperfections and roughness on the steel surface can be eliminated. This method can be executed manually or with the aid of power tools such as sanders or grinders. Another approach entails the utilization of polishing compounds. These compounds, which come in different grades ranging from coarse to fine, are applied to the steel surface and then buffed using a cloth or polishing wheel. They effectively eradicate scratches, oxidation, and other flaws, leaving behind a shiny and polished appearance. For polishing steel flat bars, electropolishing is an alternative method. This electrochemical process involves immersing the steel in an electrolyte solution and applying an electric current. As a result, a thin layer of material dissolves from the surface, resulting in a smooth and polished finish. Electropolishing is commonly employed for stainless steel flat bars and can yield a uniform and high-quality outcome. Additionally, mechanical polishing techniques can be employed. These involve the use of polishing wheels or buffing machines equipped with rotating wheels or pads coated with abrasive compounds. The speed and pressure can be adjusted to achieve the desired level of polish. In conclusion, the selection of a polishing method for steel flat bars depends on factors such as the desired finish, level of polish required, and available equipment and materials. It is crucial to consider these factors and choose the most suitable technique to attain the desired results.

Q: Are steel flat bars available in different shapes?: No, steel flat bars are typically available in a rectangular shape.

Q: Are steel flat bars suitable for welding or soldering?: Indeed, welding or soldering are both suitable methods for joining steel flat bars. Steel, a versatile and widely utilized material, finds application in numerous industries, including construction, manufacturing, and automotive. Steel flat bars, often employed for structural purposes, can be effortlessly welded or soldered together to form larger structures like frames or supports. The choice between welding and soldering depends on the particular use and desired strength of the connection. Welding involves the fusion and melting of the steel, resulting in a durable and permanent bond. Conversely, soldering employs lower temperatures to melt a filler material (solder) that flows into the joint, creating a solid connection. However, it is crucial to acknowledge that the specific type of steel utilized in the flat bars, be it carbon steel or stainless steel, may necessitate different techniques and materials for welding or soldering. It is always advisable to seek professional guidance or consult the manufacturer's guidelines for precise instructions on welding or soldering steel flat bars.

Q: Can steel flat bars be used for window frames?: Certainly, window frames can indeed utilize steel flat bars. Steel flat bars possess exceptional strength and durability characteristics, rendering them appropriate for a multitude of structural uses, including window frames. They serve as a steadfast and sturdy framework for securely holding window panes in position. Furthermore, steel flat bars can be effortlessly fabricated and welded, enabling the creation of personalized window frame designs. Their resistance to corrosion further guarantees enduring performance and minimal upkeep demands. All in all, steel flat bars present a dependable and resilient choice for constructing window frames.

Q: How do you determine the load capacity of a steel flat bar?: To determine the load capacity of a steel flat bar, you need to consider factors such as the dimensions and material properties of the bar, the type of loading it will experience, and the desired safety factor. Calculations involving formulas and engineering principles can be used to determine the maximum load the flat bar can withstand without experiencing permanent deformation or failure.

Q: What are the different shapes available for steel flat bars?: There are several different shapes available for steel flat bars. The most common shape is the rectangular flat bar, which has a straight, flat surface and sharp edges. This shape is often used for structural applications, such as building frames and supports. Another shape is the square flat bar, which has equal width and thickness on all sides, forming a square shape. This shape is commonly used for ornamental purposes, such as decorative trim or fencing. Additionally, there are also round-edged flat bars available, which have rounded corners instead of sharp edges. This shape is often preferred for applications where safety is a concern, as the rounded edges reduce the risk of injury or damage. Some manufacturers also offer special shapes, such as tapered flat bars or custom profiles, which are designed to meet specific requirements or to provide unique functionality for certain applications. Overall, the available shapes for steel flat bars provide a range of options to suit different needs and preferences, allowing for versatility and customization in various industries and projects.

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