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: Can steel flat bars be painted or powder-coated?: Yes, steel flat bars can be painted or powder-coated. Painting or powder-coating provides a protective layer, improves aesthetics, and allows customization of the steel flat bars.

Q: How do you prevent pitting or cracking on steel flat bars?: To prevent pitting or cracking on steel flat bars, there are several measures that can be taken: 1. Proper Storage: Ensure that the steel flat bars are stored in a dry and well-ventilated area to prevent exposure to moisture. Moisture can lead to corrosion and pitting. 2. Protective Coatings: Apply a suitable protective coating on the steel flat bars to create a barrier against moisture and other corrosive elements. Common coatings include paint, varnish, or specialized anti-corrosion coatings. 3. Regular Cleaning: Regularly clean the steel flat bars to remove any dirt, debris, or corrosive substances that might accumulate on the surface. Use mild detergents or specialized cleaning solutions that are safe for steel. 4. Avoiding Impact or Overloading: Handle the steel flat bars with care to prevent any impact or excessive loads that can lead to cracking. Avoid dropping or mishandling the bars during storage, transportation, or installation. 5. Proper Handling and Transportation: When moving or transporting steel flat bars, ensure they are properly secured to prevent any movement or rubbing against each other, which can cause pitting or scratching. 6. Avoid Exposure to Extreme Temperatures: Steel flat bars should be protected from extreme temperatures, especially rapid cooling or heating, as this can cause thermal stress and potential cracking. Allow the bars to gradually acclimate to temperature changes when possible. 7. Regular Maintenance: Inspect the steel flat bars periodically to identify any signs of pitting, cracking, or corrosion. Promptly address any issues by cleaning, repairing, or applying protective coatings as necessary. By implementing these preventive measures, you can minimize the risk of pitting or cracking on steel flat bars, ensuring their longevity and preserving their structural integrity.

Q: Are steel flat bars commonly used in the furniture industry?: Yes, steel flat bars are commonly used in the furniture industry. They are versatile and durable, making them an ideal choice for constructing various furniture pieces. Steel flat bars are often used as structural supports or legs for tables, chairs, and other furniture items. They provide stability and strength, ensuring that the furniture can withstand weight and regular use. Additionally, steel flat bars can be easily welded, drilled, and shaped to fit specific design requirements, making them a popular choice for furniture manufacturers and designers.

Q: Are steel flat bars suitable for handrail applications?: Indeed, handrail applications can benefit from the use of steel flat bars. Not only are these bars robust and long-lasting, but they also offer an exceptional selection for handrails. They bring stability and support to the table, all the while providing a stylish and contemporary look. Moreover, the versatility of steel flat bars shines through, as they can be effortlessly tailored to suit a wide range of handrail designs. Painting or coating options are available to enhance their resistance to corrosion, ensuring they can withstand regular use and constant contact. In summary, steel flat bars present a dependable and economical choice for handrail applications.

Q: Are steel flat bars available in different grades?: Different grades of steel flat bars are available. These grades are determined by the chemical composition, mechanical properties, and intended use of the bars. Mild steel, carbon steel, stainless steel, and alloy steel are common examples of these grades. Each grade possesses distinct properties and characteristics that make them suitable for specific applications. When choosing the appropriate grade, factors like required strength, corrosion resistance, machinability, and weldability must be taken into consideration. The specific requirements of the project or application should be carefully considered in order to select the most suitable grade of steel flat bar.

Q: How do steel flat bars contribute to the earthquake resistance of buildings?: Steel flat bars contribute to the earthquake resistance of buildings by providing additional strength and stiffness to the structure. When used as reinforcements or bracing elements, they help distribute and absorb the forces generated during an earthquake, reducing the risk of structural failure. Additionally, steel flat bars enhance the overall stability of the building, minimizing deformation and improving its ability to withstand ground shaking.

Q: What are the different types of steel alloys used for flat bars?: There are several types of steel alloys commonly used for flat bars, including carbon steel, stainless steel, alloy steel, and tool steel. Carbon steel is the most widely used and is known for its strength and durability. Stainless steel is highly corrosion-resistant and often used in environments with high moisture or chemical exposure. Alloy steel contains additional elements such as manganese, nickel, or chromium to enhance strength and toughness. Tool steel is specifically designed for use in cutting tools and has high hardness and wear resistance.

Q: Are steel flat bars suitable for welding or fabrication?: Yes, steel flat bars are suitable for welding and fabrication. They are commonly used in various construction and manufacturing applications as they can be easily shaped and joined together through welding.

Q: Are steel flat bars susceptible to corrosion?: Steel flat bars are prone to corrosion. Corrosion occurs naturally when steel is exposed to oxygen and moisture, resulting in the formation of rust. Steel contains iron, and when it comes into contact with oxygen and water, it undergoes a chemical reaction called oxidation. This reaction weakens the structure of the steel and can lead to its deterioration over time. To slow down or prevent corrosion, protective layers like paint, galvanized coatings, or anti-corrosion treatments can be applied to steel flat bars. These measures create a barrier between the steel and its environment, reducing exposure to moisture and oxygen. However, if the protective coating is damaged or wears off, the steel flat bars become more susceptible to corrosion. Certain environmental factors, such as high humidity, exposure to saltwater, or acidic conditions, can also speed up the corrosion process. Regular maintenance and inspection of steel flat bars are essential to identify signs of corrosion and take appropriate measures to prevent further damage. This may involve cleaning the surface, reapplying protective coatings, or replacing heavily corroded sections.

Q: What are the different types of steel finishes available for flat bars?: There are several types of steel finishes available for flat bars, including hot rolled, cold rolled, galvanized, and stainless steel.

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