High Quality Mild Steel Flat Bar in Grade Q235

High Quality Mild Steel Flat Bar in Grade Q235 System 1

High Quality Mild Steel Flat Bar in Grade Q235

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Loading Port:: Tianjin

Payment Terms:: TT OR LC

Min Order Qty:: 25 m.t.

Supply Capability:: 100000 m.t./month

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Specification of Steel Flat Bar

Commodity: Carbon Steel Flat Bar

Standard: GB,JIS,ASTM,

Material: Q235,SS400 or Equivalent

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(%)

Q235

0.12—0.20

0.3—0.7

≤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

Above sheets show the technical data of Q235,we can also provide other materials similar to Q235.

Usage/Applications of 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.

Packaging & Delivery of 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:How do you check the straightness of a steel flat bar?: To check the straightness of a steel flat bar, you can follow these steps: 1. Visual Inspection: Start by visually inspecting the flat bar for any visible curves or bends. Place the bar on a flat surface and use your eyes to identify any deviations from a straight line. Look for any warping, twisting, or bowing along the length of the bar. 2. Physical Evaluation: Run your hand along the length of the bar, feeling for any irregularities or deviations from a straight line. Pay close attention to any areas that feel uneven or have noticeable bumps. This step allows you to detect any subtle curves that might not be visible through visual inspection alone. 3. Straight Edge Method: Place a straight edge, such as a ruler or a level, along the length of the steel flat bar. Ensure that the straight edge makes full contact with the surface of the bar. Observe if there are any gaps or spaces between the straight edge and the bar. If the straight edge cannot lay flat on the bar without any spaces, it indicates that the bar is not perfectly straight. 4. Measuring Tool: Use a precision measuring tool, such as a caliper or a feeler gauge, to measure the gap between the straight edge and the steel flat bar at various points along its length. By measuring these gaps, you can determine the extent of any curvatures or deviations from a straight line. The larger the gap, the more pronounced the bend or curve is. 5. Repeat and Average: Repeat the above steps at multiple locations along the length of the flat bar to ensure an accurate assessment. It is common for steel flat bars to have slight variations in straightness, so checking at multiple points provides a more comprehensive evaluation. After measuring at different locations, average the results to get an overall understanding of the flat bar's straightness. By following these steps, you can assess the straightness of a steel flat bar and determine whether it meets your desired criteria.

Q:What is the cost of a steel flat bar?: The price of a steel flat bar may differ based on several factors, including its size, grade, and required quantity. To obtain an accurate cost, it is recommended to consult nearby suppliers or explore online retailers. The price range per bar can vary from a few dollars to several hundred dollars.

Q:What are the standard sizes of steel flat bars?: The standard sizes of steel flat bars can vary depending on the country and industry. However, common standard sizes typically range from 1/8 inch to 1 inch in thickness and 1/2 inch to 12 inches in width.

Q:How do you protect steel flat bars from UV radiation or sun damage?: There are several ways to protect steel flat bars from UV radiation or sun damage. Firstly, one can apply a protective coating to the surface of the bars. A high-quality paint formulated for outdoor use, with UV-resistant properties, is a common option. This will prevent fading or discoloration of the bars. Another effective method is to use a clear sealant or varnish with UV inhibitors. These products create a barrier on the steel's surface, blocking UV radiation and reducing the risk of sun damage. It is important to choose a sealant designed for metal surfaces to ensure maximum effectiveness. In addition to these measures, regular cleaning and maintenance of the steel bars is vital. This involves removing any dirt, dust, or debris that can intensify UV damage. Regular inspections should also be conducted to identify signs of corrosion or deterioration, as these weaken the steel and make it more susceptible to UV damage. Lastly, if the steel bars are exposed to direct sunlight for extended periods, providing shade or cover is recommended. Awnings, canopies, or other protective structures can be used to block or diffuse sunlight, reducing the intensity of UV exposure. By implementing these protective measures, the steel flat bars can be safeguarded against UV radiation and sun damage, preserving their longevity and structural integrity.

Q:What line is the LEB line, please? Is it wire or flat steel or galvanized round bar?: General requirements of the building's outdoor metal doors and windows, equipment shell, distribution box, etc., are required to do a second potential connection,It has not seen the specific technical requirements, we can use the past construction experience, building floor steel ring, Liang Gangjin, reinforced connecting line, equipment shell available 6 mm galvanized welded steel garden.

Q:What are the common sizes of steel flat bars?: The sizes of steel flat bars commonly vary based on their specific application and the industry they are used in. Nevertheless, standard sizes are readily accessible in the market. Several typical sizes of steel flat bars are as follows: - 1/8" x 1/2" - 1/8" x 3/4" - 1/8" x 1" - 3/16" x 1/2" - 3/16" x 3/4" - 3/16" x 1" - 1/4" x 1/2" - 1/4" x 3/4" - 1/4" x 1" - 3/8" x 1/2" - 3/8" x 3/4" - 3/8" x 1" - 1/2" x 1/2" - 1/2" x 3/4" - 1/2" x 1" Industries like construction, manufacturing, and fabrication often employ these sizes. It is crucial to bear in mind that these examples are not exhaustive, and other sizes may be available based on specific requirements and customizations. Consulting a steel supplier or manufacturer is always recommended to determine the most suitable size for your specific project.

Q:What are the different techniques for joining steel flat bars together?: There are several techniques for joining steel flat bars together, including welding, bolting, riveting, adhesive bonding, and mechanical fastening. Each method has its own advantages and considerations depending on the specific application and desired strength of the joint. Welding is a commonly used technique that involves melting the edges of the bars and fusing them together. Bolting involves using bolts or screws to secure the bars, while riveting involves using rivets to create a permanent joint. Adhesive bonding utilizes high-strength adhesives to bond the bars together, and mechanical fastening employs various connectors such as clips or brackets to hold the bars in place. The choice of technique depends on factors such as the load-bearing requirements, the type of steel being used, and the aesthetic considerations of the project.

Q:Can steel flat bars be used for making oil and gas industry equipment?: Yes, steel flat bars can be used for making oil and gas industry equipment. Steel is a popular choice for the construction of equipment used in the oil and gas industry due to its strength, durability, and resistance to corrosion. Flat bars made from steel are commonly used in the fabrication of various components such as support structures, frames, brackets, and fittings. They are versatile and can be easily shaped and welded to meet specific requirements. Additionally, steel flat bars can be heat-treated or coated to enhance their performance and protect them from harsh operating conditions. Therefore, steel flat bars are suitable for manufacturing equipment used in the oil and gas industry.

Q:Can steel flat bars be used for making tools?: Yes, steel flat bars can be used for making tools. Steel is a strong and durable material, making it suitable for tool manufacturing. Flat bars can be easily shaped, cut, and welded into various tool designs, making them versatile for tool-making purposes.

Q:How do you protect steel flat bars from weathering?: There are various ways to safeguard steel flat bars from weathering. Applying a protective coating is a popular and effective method. This can be accomplished using paint, varnish, or a specialized metal coating that forms a barrier between the steel and the elements. The coating acts as a shield, preventing moisture from reaching the steel's surface and causing rust or corrosion. Prior to applying any coating, it is vital to ensure that the steel flat bars are devoid of dirt, grease, or existing rust. Thoroughly clean the surface using a degreaser and a wire brush or sandpaper to eliminate any loose rust or paint. Once the surface is clean and dry, the coating can be applied. Another approach to shield steel flat bars from weathering is through galvanization. This process involves coating the steel with a layer of zinc, which offers excellent corrosion resistance. Galvanization can be achieved through hot-dip galvanization, where the steel is submerged in a bath of molten zinc, or through electroplating, where a layer of zinc is applied using an electric current. Galvanized steel flat bars are highly resistant to moisture and atmospheric corrosion, making them ideal for outdoor applications. Aside from coatings and galvanization, proper storage and maintenance are also crucial for protecting steel flat bars from weathering. Storing them in a dry environment, away from direct exposure to rain or snow, can significantly extend their lifespan. Regular inspections and cleaning can help promptly identify and address any signs of rust or corrosion, preventing further damage. If any signs of weathering are detected, it is important to remove the affected area and reapply a protective coating to prevent further deterioration. By utilizing these methods and implementing appropriate preventative measures, steel flat bars can be effectively safeguarded from weathering, ensuring their longevity and durability.

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