HIGH QUALITY FLAT BAR Q235

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Loading Port:: China Main Port

Payment Terms:: TT OR LC

Min Order Qty:: -

Supply Capability:: -

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Flat 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 you prevent warping or distortion of steel flat bars during heat treatment?: There are several key measures that can be taken to prevent warping or distortion of steel flat bars during heat treatment. 1. The selection of an appropriate steel grade is crucial. Opt for a steel grade that is less prone to warping or distortion during heat treatment. Consider using low alloy steels, as they have better dimensional stability and can help minimize these effects. 2. Ensure a uniform and controlled heating and cooling process. This can be achieved by using proper heating equipment, such as industrial furnaces with well-distributed heat sources. Avoid localized heating or cooling, as this can lead to uneven expansion or contraction, resulting in warping or distortion. 3. Preheating the steel flat bars before heat treatment can help alleviate internal stresses and reduce the risk of warping. Gradually increase the temperature to the desired level in a controlled manner. 4. Utilize proper fixturing during heat treatment. Use appropriate fixtures or jigs to support the steel flat bars and minimize distortion. Design fixtures that evenly distribute the load and prevent bending or twisting during the heating and cooling process. 5. Avoid rapid cooling, as it can induce internal stresses and result in warping or distortion. Instead, cool the steel flat bars slowly after heat treatment. Place them in an insulated container or furnace, or use heat sinks to control the cooling rate. 6. Apply a stress-relieving treatment after heat treatment. This involves heating the steel flat bars to a specific temperature and holding it for a certain period of time, followed by a controlled cooling process. Stress-relieving helps restore dimensional stability and minimizes warping or distortion. By following these preventive measures, it is possible to minimize warping or distortion of steel flat bars during heat treatment. This ensures the desired properties are achieved while maintaining dimensional integrity.

Q: What is the maximum weight steel flat bars can support?: The ability of steel flat bars to bear weight to the maximum extent depends on various factors, including the bar's dimensions, the type of steel employed, and the specific application or load conditions. Steel flat bars are specifically designed to offer stability and strength in structural and load-bearing situations. To ascertain the maximum weight that a steel flat bar can bear, engineers and designers typically consult load tables and charts provided by steel manufacturers or industry standards. These tables take into account the bar's width, thickness, length, and the type of steel utilized. They also consider factors like the type of load (static or dynamic), the load's distribution, and the required safety margin for the given application. It is crucial to refer to these load tables or seek professional engineering advice to ensure that the steel flat bar is appropriately sized and capable of safely supporting the intended weight. Failure to accurately estimate the maximum weight that a steel flat bar can bear may result in structural failures, safety risks, or harm to the material or surrounding structures.

Q: Can steel flat bars be used for manufacturing automotive parts?: Yes, steel flat bars can be used for manufacturing automotive parts. Steel is a strong and durable material that is commonly used in the automotive industry. Flat bars made of steel can be easily shaped, welded, and manipulated to create various automotive components such as brackets, supports, frames, and reinforcement structures. These parts require strength, rigidity, and resistance to impact and wear, which are all characteristics of steel. Additionally, steel flat bars offer excellent mechanical properties, including high tensile strength and good ductility, making them suitable for withstanding the challenging conditions and loads experienced by automotive parts. Overall, steel flat bars are a versatile and reliable choice for manufacturing automotive components.

Q: Can steel flat bars be used as support beams?: Indeed, support beams can be made from steel flat bars. Steel is renowned for its robustness and endurance, rendering it an ideal substance for structural reinforcement. In construction and engineering endeavors, steel flat bars are frequently utilized to furnish support and fortification. They can function as beams, sustaining substantial burdens and uniformly distributing weight throughout a structure. Furthermore, steel flat bars can be conveniently fabricated and trimmed to desired sizes, thereby exhibiting versatility for diverse applications. All in all, when it comes to support beams in construction undertakings, steel flat bars undeniably present themselves as dependable and efficient options.

Q: How large is the flat steel used for equipotential grounding?: To divide 2 kinds of equipotential, one is the equipotential of the distribution system, and the other is the equipotential of the lightning protection system; two. The latter specification is greater than the former

Q: Can steel flat bars be used for making fencing?: Certainly, fencing can be constructed using steel flat bars. The utilization of steel flat bars is prevalent in fencing applications owing to their robustness and longevity. They furnish a robust structure for the fence panels and can be effortlessly joined by welding or bolting to establish a reliable barrier. Moreover, steel flat bars can be tailored to different dimensions, guaranteeing suitability for diverse fencing requirements. Furthermore, their resistance to deterioration and rust ensures the enduring nature of the fencing, even when exposed to inclement outdoor conditions.

Q: What are the different methods of fastening steel flat bars to other materials?: There are several methods of fastening steel flat bars to other materials, including welding, bolting, riveting, adhesive bonding, and using specialized connectors such as steel brackets or clips.

Q: Can steel flat bars be used in the construction of bridges?: Yes, steel flat bars can be used in the construction of bridges. Steel is widely used in bridge construction due to its high strength, durability, and ability to withstand heavy loads. Steel flat bars are commonly used as structural members in bridge construction, especially for beams, girders, and piers. They provide excellent support and stability, allowing bridges to span long distances and carry heavy traffic loads. Additionally, steel flat bars can be customized and fabricated to specific sizes and shapes, making them versatile and suitable for various bridge designs. Overall, steel flat bars are an essential component in bridge construction, contributing to the strength, safety, and longevity of the structures.

Q: What are the weight and load-bearing capacities of different steel flat bar sizes?: The weight and load-bearing capacities of steel flat bars can vary depending on their size. Generally, the larger the size of the flat bar, the higher its weight and load-bearing capacity. Here are some common steel flat bar sizes and their approximate weight and load-bearing capacities: 1. 1/8 inch thick steel flat bar: This is a relatively thin flat bar and is typically used for lighter applications. Its weight and load-bearing capacity can range from around 0.42 pounds per foot and 200 pounds per foot respectively. 2. 1/4 inch thick steel flat bar: This size is slightly thicker and can handle heavier loads. It typically weighs around 0.85 pounds per foot and has a load-bearing capacity of approximately 400 pounds per foot. 3. 3/8 inch thick steel flat bar: This size is even thicker and can support even greater loads. Its weight and load-bearing capacity can range from around 1.27 pounds per foot and 600 pounds per foot respectively. 4. 1/2 inch thick steel flat bar: This is a significantly thicker flat bar and is commonly used for heavy-duty applications. It weighs approximately 1.7 pounds per foot and has a load-bearing capacity of around 800 pounds per foot. 5. 1 inch thick steel flat bar: This is a very thick flat bar suitable for extremely heavy loads. It typically weighs around 3.4 pounds per foot and has a load-bearing capacity of approximately 1600 pounds per foot. It is important to note that these weight and load-bearing capacities are approximate values and can vary based on the specific grade and quality of the steel used. Additionally, other factors such as the length and support conditions of the flat bar should also be taken into consideration when determining its maximum load-bearing capacity. It is recommended to consult professional engineers or reference load tables provided by steel manufacturers for accurate and specific information on weight and load-bearing capacities of steel flat bars.

Q: What are the standard sizes of steel flat bars?: The standard sizes of steel flat bars vary depending on the specific requirements and industry standards. However, some common sizes include widths ranging from 1/8 inch to 24 inches and thicknesses ranging from 3/16 inch to 2 inches. These sizes are commonly used in construction, manufacturing, and industrial applications. It is important to note that these sizes are not exhaustive and can vary based on the specific needs of a project or industry. It is always recommended to consult with the manufacturer or supplier to determine the exact sizes available and suitable for a particular application.

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