high quality flat bar hot rolled GB Q235 3-30MM

high quality flat bar hot rolled GB Q235 3-30MM System 1

high quality flat bar hot rolled GB Q235 3-30MM

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Loading Port:: Tianjin

Payment Terms:: TT OR LC

Min Order Qty:: 25 m.t.

Supply Capability:: 60000 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:Can steel flat bars be used for manufacturing storage racks?: Yes, steel flat bars can be used for manufacturing storage racks. Steel flat bars are strong, durable, and have a high load-bearing capacity, making them suitable for supporting heavy loads in storage racks. Additionally, their flat shape allows for easy attachment of shelves and other storage components.

Q:Are steel flat bars susceptible to warping or bending?: Under certain conditions, steel flat bars may warp or bend. Although steel is a robust and long-lasting material, it is not entirely resistant to deformation. If exposed to excessive stress, heat, or mishandling, steel flat bars can undergo warping or bending. These instances can happen during manufacturing, transportation, or when subjected to heavy loads or extreme temperature fluctuations. To reduce the likelihood of warping or bending, it is essential to handle and store steel flat bars correctly, avoid excessive stress or heat, and adhere to the manufacturer's instructions for usage and maintenance.

Q:How do steel flat bars perform under extreme temperatures?: Steel flat bars generally perform well under extreme temperatures. Steel has a high melting point and retains its strength even at elevated temperatures. However, prolonged exposure to extreme heat can cause steel to lose some of its strength and structural integrity. Additionally, rapid temperature changes can lead to thermal expansion and contraction, which may cause warping or cracking in the flat bars. Therefore, while steel flat bars are generally suitable for use in extreme temperature conditions, it is important to consider the specific temperature range and duration of exposure to ensure their optimal performance.

Q:Are steel flat bars suitable for outdoor signage or displays?: Yes, steel flat bars are suitable for outdoor signage or displays. Steel is a durable and weather-resistant material that can withstand outdoor conditions such as rain, wind, and sunlight. Additionally, steel flat bars provide a sturdy base for mounting signs or displays, making them a reliable choice for outdoor applications.

Q:How do you remove burrs or sharp edges from steel flat bars?: One common method to remove burrs or sharp edges from steel flat bars is by using a deburring tool or a file. The deburring tool is specifically designed to remove burrs and can be passed along the edges of the bar to smooth them out. Alternatively, a file can be used to manually file down the burrs and sharp edges until they are smooth.

Q:How do you join steel flat bars together?: One common method to join steel flat bars together is through welding. This involves melting the edges of the bars and fusing them together using a welding electrode or filler metal. Another option is to use mechanical fasteners such as bolts, screws, or rivets to connect the flat bars. Additionally, steel flat bars can be joined using adhesives specifically designed for metal bonding. The choice of joining method depends on the specific application and desired strength of the connection.

Q:How do steel flat bars compare to other materials like concrete or glass?: Steel flat bars have several advantages over other materials like concrete or glass. Firstly, steel flat bars are extremely strong and durable. They have a high tensile strength, which means they can withstand heavy loads and resist deformation. In comparison, concrete is strong in compression but weak in tension, whereas glass is brittle and prone to breaking. Steel flat bars are a much more reliable and long-lasting option when it comes to structural applications. Secondly, steel flat bars offer versatility in terms of design and construction. They can be easily fabricated into various shapes and sizes, making them suitable for a wide range of applications. Concrete, on the other hand, requires complex formwork and curing processes, while glass often has limitations in terms of size and shape. Steel flat bars provide greater flexibility in design and can be easily modified or adjusted if needed. Additionally, steel flat bars have excellent thermal conductivity, which makes them ideal for applications where heat transfer is important. Concrete and glass, on the other hand, have lower thermal conductivity and are not as efficient in transferring heat. This makes steel flat bars a preferred choice for applications such as heat exchangers or structural components in buildings where temperature control is crucial. Moreover, steel flat bars have a higher resistance to fire compared to concrete or glass. They can withstand high temperatures for a longer period without losing their structural integrity. Concrete tends to crack and spall under extreme heat, while glass can shatter or melt. Steel flat bars provide superior fire resistance, making them a safer choice in applications where fire protection is a concern. In conclusion, steel flat bars offer numerous advantages over materials like concrete or glass. They are stronger, more versatile, have better thermal conductivity, and higher resistance to fire. These qualities make steel flat bars a preferred choice for various applications, ranging from structural construction to industrial equipment.

Q:What is the weight of a standard steel flat bar?: The weight of a standard steel flat bar can vary depending on its dimensions and the specific type of steel used. However, in general, the weight of a standard steel flat bar can be calculated by multiplying the density of steel (usually around 7850 kg/m³) by the cross-sectional area of the bar, which is determined by its width and thickness. The formula to calculate the weight of a steel flat bar is: Weight (kg) = Width (mm) x Thickness (mm) x Length (m) x Density (kg/m³). By using this formula, one can determine the weight of a specific steel flat bar based on its dimensions.

Q:Can steel flat bars be hot-dip galvanized?: Yes, steel flat bars can be hot-dip galvanized.

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.

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