flat bar

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Loading Port:: China Main Port

Payment Terms:: TT OR LC

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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:What is the quota for the flat steel used in the lightning belt -40*4?: I have also checked the quota, but there is no flat steel laying in the lightning protection and grounding device of the electrical installation of the second book. I usually refer to the grounding bus.

Q:What is the maximum length of a steel flat bar that can be ordered?: The maximum length of a steel flat bar that can be ordered may vary depending on the supplier or manufacturer. However, it is common to find steel flat bars available in lengths ranging from 6 to 12 feet.

Q:Can steel flat bars be used for manufacturing furniture?: Yes, steel flat bars can be used for manufacturing furniture. Steel is a strong and durable material that can provide stability and support for furniture pieces. Steel flat bars can be used to create the frames and structures of various furniture items such as tables, chairs, shelves, and cabinets. They can be easily welded, cut, and shaped to fit the desired design and dimensions of the furniture. Additionally, steel flat bars are resistant to warping, cracking, and rotting, making them suitable for long-lasting furniture pieces. However, it is important to consider the aesthetic appeal and comfort of the furniture, as steel can be heavy and may require additional elements like cushions or upholstery to enhance comfort.

Q:What are the different types of surface defects that can be found in steel flat bars?: There are several different types of surface defects that can be found in steel flat bars. These defects can vary in severity and may affect the overall quality and performance of the steel. Some common types of surface defects include: 1. Scale: Scale refers to the thin layer of oxide that forms on the surface of steel during the hot rolling process. While it can be removed through various methods, it may still leave behind a rough or uneven surface. 2. Pitting: Pitting is characterized by small, localized depressions or craters on the surface of the steel. It can be caused by corrosion, improper storage, or manufacturing processes. 3. Scratches: Scratches are visible marks or lines on the surface of the steel, which can be caused during handling, transportation, or processing. While they may not affect the structural integrity, they can impact the aesthetic appeal of the steel. 4. Lamination: Lamination refers to the separation or splitting of steel layers along the surface. It can be caused by poor quality control during manufacturing or excessive rolling. 5. Roll marks: Roll marks are repetitive patterns or lines on the surface of the steel caused by the rolling process. These marks can affect the appearance and flatness of the steel. 6. Inclusions: Inclusions are non-metallic substances that are trapped within the steel during the manufacturing process. These include oxides, slag, or other impurities that can form visible spots or irregularities on the surface. 7. Decarburization: Decarburization occurs when the surface of the steel loses its carbon content due to exposure to high temperatures or improper heat treatment. This can result in a softer or weaker surface layer. 8. Cracks: Cracks are visible fractures or breaks in the steel surface, which can be caused by excessive stress, improper cooling, or poor manufacturing practices. These defects can significantly compromise the strength and integrity of the steel. It is important to inspect and identify these surface defects in steel flat bars to ensure that the material meets the required specifications and standards. Depending on the severity of the defect, appropriate measures such as grinding, polishing, or even rejecting the material may be necessary.

Q:What is the thickness tolerance for steel flat bars?: The thickness tolerance of steel flat bars may differ based on the specific grade and manufacturing standard being adhered to. However, as a general rule, the industry standard tolerance for steel flat bars usually ranges from +/- 0.005 inches (0.127mm) to +/- 0.010 inches (0.254mm). This implies that the actual thickness of a steel flat bar can deviate within this range from the designated nominal thickness. To determine the exact tolerance requirements for the steel flat bars under consideration, it is crucial to refer to the relevant manufacturing standard or supplier specifications.

Q:Can steel flat bars be used for structural purposes?: Yes, steel flat bars can be used for structural purposes. They are commonly used in construction projects for various applications such as support beams, braces, and framework due to their strength and durability.

Q:How do steel flat bars perform in earthquake-resistant designs?: Steel flat bars are commonly used in earthquake-resistant designs due to their high strength and ductility. Their ability to withstand strong seismic forces and distribute them evenly across the structure makes them an ideal choice. Additionally, steel flat bars can be easily connected and reinforced, enhancing the overall stability and resilience of the building during an earthquake.

Q:Are steel flat bars suitable for structural support?: Steel flat bars are a suitable choice for structural support in various applications. Steel is renowned for its strength and durability, making it an excellent material for providing structural support. Particularly, flat bars have a broad range of uses in construction and engineering projects. They can serve as beams or columns to bear heavy loads, act as braces to reinforce structures, or function as connectors to unite different components. Steel flat bars are often favored over alternative materials for structural support due to their exceptional strength-to-weight ratio, resistance to corrosion, and adaptability in design and installation. Nevertheless, it is crucial to ensure that the steel flat bars used meet the specific application's necessary specifications and requirements to guarantee the structure's safety and stability.

Q:Are steel flat bars suitable for outdoor furniture?: Yes, steel flat bars are suitable for outdoor furniture. Steel is a durable and weather-resistant material that can withstand outdoor conditions such as rain, sunlight, and temperature changes. Steel flat bars provide stability and strength, making them suitable for creating sturdy and long-lasting outdoor furniture pieces.

Q:What are the safety precautions when working with steel flat bars?: To ensure a safe working environment and prevent injuries when handling steel flat bars, it is crucial to adhere to specific safety precautions. The following are some key guidelines to consider: 1. Personal Protective Equipment (PPE): It is essential to wear the necessary PPE, including safety goggles, gloves, steel-toed boots, and a hard hat. These items provide protection against potential hazards like flying debris, sharp edges, and falling objects. 2. Proper Lifting Techniques: Since steel flat bars can be heavy, it is important to employ correct lifting techniques to avoid strain or injury. Bend your knees, maintain a straight back, and utilize your leg muscles to lift the bars. If the bars are excessively heavy, seek assistance or employ lifting equipment. 3. Secure Work Area: Organize and maintain a clean work area that is free from obstacles. This minimizes the risk of tripping or falling while handling steel flat bars. Additionally, ensure the floor is dry to prevent slips and falls. 4. Sharp Edges: Exercise caution when handling steel flat bars due to their sharp edges that can cause cuts or punctures. Use appropriate tools and avoid direct contact with the sharp edges. If necessary, wear protective gloves or wrap the edges with duct tape or rubber for injury prevention. 5. Machinery and Tools: When using machinery or tools, always adhere to the manufacturer's instructions and safety guidelines. Verify that the equipment is in good working condition, properly maintained, and suitable for the task at hand. Utilize guards and safety features provided by the equipment whenever possible. 6. Fire Safety: Steel flat bars are highly flammable when exposed to extreme heat or sparks. Hence, it is crucial to have easily accessible fire extinguishers and adhere to proper fire safety protocols in the work area. 7. Training and Knowledge: Ensure that you have received adequate training on handling and working with steel flat bars. Familiarize yourself with the material's properties, potential hazards, and safe working practices. If uncertain about any aspect, consult a knowledgeable supervisor or expert. 8. Communication and Teamwork: If working as part of a team, maintain effective communication with coworkers to ensure awareness of tasks and potential risks. Clear communication helps prevent accidents and fosters a safe working environment. By adhering to these safety precautions, the risks associated with working with steel flat bars can be minimized, leading to a safer and more productive work environment.

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