FLAT BAR 20-200

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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 are the different cleaning and maintenance methods for steel flat bars?: Steel flat bars can be kept in their best condition by utilizing several cleaning and maintenance techniques. Some commonly used methods are as follows: 1. Regular Cleaning: To maintain steel flat bars, it is important to clean them regularly. This can be achieved by using a mild detergent or soap mixed with water. Apply the solution to the flat bar and gently scrub away any dirt or grime using a soft cloth or sponge. Rinse the bar thoroughly with clean water and dry it using a lint-free cloth. 2. Polishing: In order to restore the shine of steel flat bars and eliminate surface scratches or marks, polishing is recommended. There are various metal polishes available specifically designed for stainless steel surfaces. Apply a small amount of polish to a microfiber cloth and rub it onto the flat bar in circular motions until the desired shine is achieved. 3. Stainless Steel Cleaner: For more stubborn stains or marks that cannot be removed through regular cleaning, the use of a stainless steel cleaner is recommended. These cleaners are specifically formulated to break down and eliminate stubborn stains, grease, and grime from stainless steel surfaces. Follow the instructions provided on the packaging for optimal results. 4. Rust Prevention: Steel flat bars are prone to rust, particularly in humid or corrosive environments. To prevent rust, it is crucial to keep the flat bars dry and avoid prolonged exposure to moisture. If any rust spots do appear, they should be promptly removed using a rust remover or a mixture of vinegar and baking soda. After removing the rust, thoroughly clean and dry the flat bar to prevent further rusting. 5. Protective Coatings: The application of a protective coating or sealant can significantly enhance the resistance of steel flat bars to staining, corrosion, and scratches. There are various products available, such as clear lacquers, paints, or specialized coatings designed specifically for stainless steel surfaces. It is important to follow the manufacturer's instructions for proper application and maintenance of the protective coating. By adhering to these cleaning and maintenance techniques, steel flat bars can maintain their appearance and durability over an extended period, ensuring optimal performance in various applications.

Q: Can steel flat bars be heat treated for increased strength?: Yes, steel flat bars can be heat treated to increase their strength. Heat treatment is a process that involves heating the steel to a specific temperature, holding it at that temperature for a certain period of time, and then cooling it in a controlled manner. This process alters the microstructure of the steel, resulting in different mechanical properties such as increased strength. The specific heat treatment method used will depend on the desired strength and other properties required for the particular application of the steel flat bars. Common heat treatment processes for steel include annealing, quenching, tempering, and normalizing. It is important to consult with a metallurgical engineer or expert to determine the appropriate heat treatment method for achieving the desired strength enhancement in steel flat bars.

Q: Between the MEB and the power distribution cabinet with wire with the flat and why: Even if there is no condition to make the ring flat steel belt, the ground terminal box is usually reserved for the access pipe. If multiple power line is recommended to see 500 2.7. central area substation, but also set the MEB based, attracted special line, and the reinforced layer access line; flat steel (copper) can save you, ha ha

Q: Are steel flat bars suitable for making HVAC components?: Indeed, steel flat bars prove to be fitting for the creation of HVAC components. Steel, a sturdy and resilient substance, possesses the ability to endure elevated temperatures and pressure, rendering it an optimal choice for employment in heating, ventilation, and air conditioning systems. Through straightforward manipulation, steel flat bars can be transformed into an assortment of components, including brackets, supports, frames, and ductwork, tailored to satisfy the specific prerequisites of HVAC systems. Moreover, steel boasts remarkable resistance to corrosion, a crucial attribute in safeguarding against harm and protracting the lifespan of HVAC components. In summary, steel flat bars stand as a dependable and versatile option for the production of HVAC components.

Q: Can steel flat bars be used in the manufacturing of machinery parts?: Yes, steel flat bars can be used in the manufacturing of machinery parts. Steel flat bars are versatile and have a wide range of applications in various industries, including machinery manufacturing. They can be easily cut, shaped, and welded into different shapes and sizes, making them suitable for producing machinery parts. Steel flat bars offer high strength, durability, and resistance to wear and tear, making them ideal for withstanding the stresses and loads experienced by machinery parts during operation. Additionally, steel flat bars can be surface treated or coated to enhance their corrosion resistance, ensuring the longevity of the machinery parts. Overall, steel flat bars are a commonly used material in the manufacturing of machinery parts due to their mechanical properties and versatility.

Q: How are steel flat bars stored or transported?: Steel flat bars are typically stored in bundles or stacks in warehouses or storage yards. They are often bundled together using steel straps or wires to prevent them from shifting during transportation. When transported, flat bars are loaded onto trucks or trailers and secured with straps or chains to ensure they remain in place during transit.

Q: How do you straighten bent steel flat bars?: To correct the bend in bent steel flat bars, various methods can be utilized depending on the severity of the bend. Here are several commonly employed techniques: 1. Heating and hammering: In the case of mild bends, the steel bar can be heated using a torch until it reaches a red-hot temperature. Once heated, it can be carefully positioned on an anvil or a sturdy surface and gently and uniformly hammered until the bend is rectified. It is essential to exercise caution and precision to prevent excessive straightening or damage to the bar. 2. Hydraulic press: More severe bends can be addressed by utilizing a hydraulic press. The bent steel flat bar is positioned between the plates of the hydraulic press, and pressure is gradually applied until the bar is straightened. This method offers greater control and is suitable for larger or thicker bars. 3. Mechanical straightening: Another option is the use of a mechanical straightening machine to straighten bent steel flat bars. This method involves feeding the bar through a sequence of rollers, which exert pressure to gradually rectify the bend. Mechanical straightening machines are efficient and capable of handling various bar sizes and bends. Regardless of the chosen method, it is of utmost importance to observe safety precautions, such as wearing protective gear like gloves and goggles. Furthermore, it is crucial to thoroughly inspect the straightened bar for any cracks or fractures that may have occurred during the straightening process.

Q: What is the density of steel flat bars?: The density of steel flat bars may differ based on the particular steel type employed. Typically, steel has a density of approximately 7.85 grams per cubic centimeter (g/cm³) or 7850 kilograms per cubic meter (kg/m³). Nevertheless, it is crucial to acknowledge that diverse steel grades and alloys might exhibit slightly varying densities. Consequently, it is advisable to consult the specific material specifications or a trusted source for precise information regarding the density of a particular steel flat bar.

Q: How to connect the base of the tower crane and the flat steel? How can it be welded and connected?: How to connect the base of the tower crane and the flat steel?:It can be punched on a flat iron and connected by screws and multiple copper wires

Q: -40x4 hot galvanized flat steel, a water 1m, what do you mean?: The protective layer to protect the housing outside the gutter and rain water is the life of the building apron. The water is hot galvanized flat steel by this protective layer 1 meters. Hope to be of help to you!

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