hot rolled high quality GB Q235 flat bar

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Loading Port:: Tianjin

Payment Terms:: TT OR LC

Min Order Qty:: 25 m.t.

Supply Capability:: 24000 m.t./month

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lat bar Details:

Minimum Order Quantity:		Unit:	m.t.	Loading Port:
Supply Ability:	10000	Payment Terms:		Package:	Steel Packing

Product Description:

Specification of Mild Steel Flat Bar

Commodity: Mild Steel Flat Bar

Standard: GB;JIS

Material: Q195-235;SS400

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

Usage/Applications of Mild 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 Mild Steel Flat Bar

Packaging Details: The Mild 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.

Production Flow of Mild Steel Flat Bar

The Mild 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

Q:How do steel flat bars contribute to the overall efficiency of structures?: Steel flat bars are an essential component in structural engineering as they provide strength, durability, and versatility to various structures. These bars contribute to the overall efficiency of structures by distributing and transferring loads evenly, ensuring stability and structural integrity. Additionally, their flat shape allows for easy fabrication, installation, and connection, which saves time and labor costs during construction. Moreover, steel flat bars offer excellent resistance to corrosion and impact, reducing maintenance needs and extending the lifespan of the structures.

Q:How do you paint or coat steel flat bars?: To paint or coat steel flat bars, you will need to follow a few steps. First, you need to prepare the surface of the steel. This involves removing any rust, dirt, or old paint using sandpaper, a wire brush, or a power tool such as a grinder. It is important to ensure that the surface is clean and smooth before proceeding. Next, you should apply a primer to the steel bars. The primer helps to create a bond between the steel and the paint or coating, improving adhesion and durability. Choose a primer specifically designed for metal surfaces and apply it evenly using a brush, roller, or spray gun. Make sure to follow the manufacturer's instructions regarding drying time and recommended number of coats. After the primer has dried, you can proceed to apply the paint or coating. Again, choose a paint or coating specifically made for metal surfaces. You can use a brush, roller, or spray gun to apply the paint, depending on your preference and the size of the flat bars. Apply multiple thin coats, allowing each coat to dry completely before applying the next. This helps to achieve a smooth and even finish. If you are using a coating instead of paint, make sure to follow the manufacturer's instructions regarding application and drying time. Some coatings may require curing at a specific temperature or may need a topcoat for added protection. After the paint or coating has dried completely, inspect the surface for any imperfections or areas that might need touch-ups. If necessary, lightly sand any rough spots and apply additional coats of paint or coating as needed. Remember to work in a well-ventilated area and wear appropriate safety gear, such as gloves and a mask, when painting or coating steel flat bars. Following these steps will help you achieve a professional and long-lasting finish on your steel flat bars.

Q:Do steel flat bars have a specific electrical conductivity?: No, steel flat bars do not have a specific electrical conductivity as it can vary depending on the type and composition of the steel.

Q:How do steel flat bars compare to other types of metal flat bars?: Steel flat bars have several advantages over other types of metal flat bars. Firstly, steel is known for its strength and durability, making it a reliable choice for various applications. Steel flat bars can withstand heavy loads and are less likely to bend or break under pressure compared to other metals. Additionally, steel flat bars offer excellent corrosion resistance, especially when compared to metals like aluminum or copper. This makes them suitable for outdoor or marine environments where exposure to moisture or saltwater is common. Another advantage of steel flat bars is their versatility. They can be easily welded, formed, or machined to meet specific requirements. Steel can also be heat-treated to enhance its properties, such as hardness or toughness. Furthermore, steel flat bars are readily available in a wide range of sizes and thicknesses, making them suitable for various construction, manufacturing, and industrial applications. They are commonly used in structural support, frames, brackets, and machinery components. However, it is important to note that steel flat bars may be heavier than other metals, such as aluminum. This can be a consideration when weight is a concern, especially in industries like aerospace or automotive. Overall, steel flat bars offer a combination of strength, durability, corrosion resistance, and versatility that makes them a popular choice in many industries.

Q:What are the different methods of surface coloring or tinting for steel flat bars?: There are several methods of surface coloring or tinting for steel flat bars. Some common methods include hot-dip galvanizing, powder coating, electroplating, and chemical patination. Each method offers different advantages and produces unique finishes, allowing for various aesthetic and functional requirements to be met.

Q:Are steel flat bars suitable for indoor applications?: Steel flat bars are indeed suitable for indoor applications. They possess great versatility and durability, rendering them perfect for numerous indoor purposes. Their utilization ranges from construction and manufacturing to furniture making and more. Notably, these flat bars provide exceptional strength and stability, making them capable of supporting heavy loads and offering structural reinforcement. Furthermore, their resistance to corrosion and ability to withstand harsh indoor environments make them exceedingly reliable. To top it off, steel flat bars can be effortlessly personalized and fabricated to meet specific project needs, thus making them a highly favored option for indoor applications.

Q:What is the typical hardness of steel flat bars?: The typical hardness of steel flat bars can vary depending on the specific grade and heat treatment, but it generally ranges between 60 and 65 on the Rockwell C scale.

Q:Can steel flat bars be cold-formed or bent?: Indeed, it is possible to cold-form or bend steel flat bars. This process entails shaping the metal at room temperature, without the utilization of heat. To cater to specific applications and designs, steel flat bars are often cold-formed or bent, resulting in various shapes, angles, or curves. Typically, this procedure involves the utilization of specialized machinery like press brakes or rollers to apply force on the steel flat bar, causing it to deform and acquire the desired shape. By cold-forming or bending steel flat bars, precise customization and design flexibility are achieved, rendering them suitable for a broad array of industries and applications, including construction, manufacturing, and engineering.

Q:Are steel flat bars available in different surface finishes?: Yes, steel flat bars are available in different surface finishes.

Q:What are the common load-bearing capacities of steel flat bars?: The load-bearing capacity of steel flat bars can differ based on various factors including bar dimensions, steel type, and specific use. Nevertheless, there are common load-bearing capacities that can generally be expected for steel flat bars. Steel flat bars generally possess high tensile strength and can support heavy loads. The load-bearing capacity is primarily determined by the bar's width, thickness, and length. To illustrate, a standard steel flat bar with a width of 1 inch and a thickness of 1/4 inch can typically handle a load of up to 3,000 pounds. If the width is increased to 2 inches, the load-bearing capacity can double to approximately 6,000 pounds. Similarly, increasing the thickness to 3/8 inch can also enhance the load-bearing capacity. It is important to note that these load-bearing capacities serve as general guidelines and may vary depending on the specific steel grade utilized. Different steel grades possess distinct mechanical properties, and certain grades may offer higher load-bearing capacities than others. Apart from dimensions and steel grade, the load-bearing capacity of steel flat bars can also be influenced by factors like support conditions, load distribution, and the bar's span or length. It is advisable to refer to engineering design codes and standards or seek guidance from a structural engineer to accurately calculate load-bearing capacity for specific applications.

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