Square Steel Billet, Square Bar, Mild Steel Billet

Square Steel Billet, Square Bar, Mild Steel Billet

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Loading Port:: China main port

Payment Terms:: TT OR LC

Min Order Qty:: 1000 m.t.

Supply Capability:: 50000 m.t./month

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Specification

Standard:

Technique:

Hot Rolled

Shape:

Square

Surface Treatment:

Dry

Steel Grade:

Q195,Q215,Q235

Certification:

SGS

Thickness:

60mm-150mm

Width:

60mm-150mm

Length:

6-12m

Net Weight:

23mt

Packaging:

Bare Packing

Square steel billet, square bar, mild steel billet best price from China manufacturer

Name:	Square bar
LENGTH:	6 meter to 12 meter (+ 50mm)
Size:	100100, 120120, 150150, 200200
Grade:	3SP,5SP,Q235,20MnSi.
Shape:	Square, Round
Technique:	Hot-Rolled
Standard:	ASTM/GB
BENDING	No more than 5mm in 1 meter No more than 30mm in 6 meter No more than 60mm in 12 meter
ANGULAR TWIST	No more than 1 degree per meter and not more than 6 degree over 12 meter length.
Chemical composition	C, Si, Mn, P, S, N, etc

Product Description

Chemical Properties

Size	6060/9090/100100/120120/150*150
Length	6000mm-12000mm
Standard	GB
Application	To produce bars or other applications
Grade	Q195/Q235/Q275/3SP/5SP/20MnSi
Packing terms	TT/LC
Package	Mill's standard packing or as client's requirement
Delivery time	Within 10-30 days after receiving the deposit or LC

Chemical Composition

Standard	C(%)	Mn(%)	S(%)	P(%)	Si(%)
Q195	≤0.12	≤0.50	≤0.040	≤0.035	≤0.30
Q235	≤0.20	≤1.40	≤0.045	≤0.045	≤0.35
Q275	≤0.22	≤1.50	≤0.045	≤0.045	≤0.35
20MnSi	0.17-0.25	1.2-1.6	≤ 0.050	≤ 0.050	0.40-0.80
3SP	0.14-0.22	0.40-0.85	≤ 0.050	≤ 0.040	0.05-0.15
5SP	0.28-0.37	0.50-1.00	≤ 0.050	≤ 0.040	0.15-0.30

Reasons for choosing us:
1. We have a large substantiality as our backup force.
2. We have many qualified raw material supplier.
3. The company has perfect management mode and advanced processing technology.
4. We have the country's leading production equipment and strong production capacity.
5. Our company has a strong aftersales service platform, and our leaders are glad to make guidance personally for every feedback from customers.
6. Our company has a strong reputation system: SGS, ISO Certification, etc.

Q: How does coil slitting work?: Coil slitting is a process used in manufacturing industries to cut large coils of material, such as metal, into narrower strips of desired widths. The coil is unwound and passed through a set of circular blades that make precise cuts along the length of the coil. The blades can be adjusted to the desired width, and the process continues until the entire coil is slit into multiple smaller coils or strips.

Q: How are steel coils coated for added protection?: Steel coils are coated for added protection using a process called coil coating. This process involves the application of a protective layer onto the surface of the steel coil to enhance its durability and resistance to corrosion. There are various methods used to coat steel coils, but the most common one is the continuous coil coating process. In this process, the steel coil is unwound and cleaned thoroughly to remove any contaminants or impurities from the surface. This ensures proper adhesion of the coating material. Once the steel coil is cleaned, it is then pre-treated to enhance its surface properties. This pre-treatment typically involves applying a chemical solution or a conversion coating to the surface of the coil. The purpose of this step is to create a receptive surface for the coating material and enhance its adhesion. After the pre-treatment, the steel coil is coated with a protective layer. This coating material can be a liquid paint, a powder coating, or sometimes a combination of both. The coating is applied uniformly onto the surface of the coil using various techniques, such as roll coating, spray coating, or electrostatic coating. Once the coating is applied, the steel coil is cured or dried using heat or sometimes ultraviolet light. This curing process ensures that the coating material forms a strong bond with the steel surface and achieves the desired protective properties. The coated steel coil is then inspected for quality control measures, such as thickness, adhesion, and appearance. If it meets the required specifications, it is further processed, which may involve cutting, slitting, or forming into the desired shape or size. Overall, the process of coating steel coils for added protection involves thorough cleaning, pre-treatment, application of a protective coating, curing, and quality control. This ensures that the steel coils possess excellent resistance to corrosion, abrasion, and other environmental factors, making them suitable for a wide range of applications in various industries.

Q: what pokemon are week to steel type pokemon like lucario? help please, and thank you.: Rock pokemon are weak against steel type moves.

Q: Are steel coils used in construction?: Yes, steel coils are commonly used in construction. They are widely utilized in various applications such as structural frameworks, roofing, flooring, and cladding systems. Steel coils provide strength, durability, and flexibility, making them an essential material for construction projects.

Q: How are steel coils inspected for oil or rust residues using chemical analysis?: Chemical analysis techniques can be employed to inspect steel coils for the presence of oil or rust residues. One widely used method is Fourier transform infrared spectroscopy (FTIR), which involves subjecting a small sample of the steel coil to infrared radiation and analyzing the resulting infrared spectrum. By identifying specific chemical bonds indicative of oil or rust residues, this technique can effectively detect their presence. For oil residue detection, a common approach is to examine the FTIR spectrum for a peak at approximately 2920 cm-1, which corresponds to the stretching vibration of C-H bonds in hydrocarbon chains. The observation of this peak signifies the existence of oil residues on the steel coil. To identify rust residues, the FTIR spectrum is scrutinized for characteristic peaks associated with iron oxide or hydroxide compounds. For instance, the presence of a peak at around 560 cm-1 suggests the presence of iron oxide (FeO) or iron hydroxide (Fe(OH)3). Apart from FTIR analysis, other chemical analysis techniques like X-ray fluorescence spectroscopy (XRF) or energy-dispersive X-ray spectroscopy (EDX) can also be employed. These methods provide information about the elemental composition of the steel coil, enabling the identification of specific elements linked to oil or rust residues, such as carbon or iron. In essence, the chemical analysis of steel coils for oil or rust residues offers a dependable and precise means of ensuring the coils' quality and cleanliness before further processing or utilization.

Q: How are steel coils used in the manufacturing of storage cabinets?: Steel coils are used in the manufacturing of storage cabinets by being processed and formed into sheets, which are then cut, shaped, and welded together to create the structural framework and outer shell of the cabinets.

Q: How are steel coils used in the manufacturing of construction equipment?: Steel coils are used in the manufacturing of construction equipment as they provide a strong and durable material for various components. These coils are shaped and processed into different parts, such as frames, chassis, and reinforcements, which enhance the structural integrity and overall performance of construction machinery.

Q: What are the disadvantages of using steel coils?: One disadvantage of using steel coils is their weight and size, which can make transportation and handling challenging. Additionally, steel coils are susceptible to corrosion, requiring regular maintenance and protective measures to prevent rusting. The production of steel coils also contributes to environmental pollution due to the energy-intensive manufacturing process. Lastly, the upfront cost of steel coils can be relatively high compared to other materials, which may not be suitable for budget-constrained projects.

Q: What are the different coil winding methods used for steel coils?: Steel coils can be wound using various methods, each having its own benefits and uses. 1. Layer winding is the most commonly employed technique for steel coils. It entails winding the steel strip or sheet in concentric layers to create a coil. This method is suitable for narrow and thin strips, offering excellent coil stability and strength. 2. Cross winding involves winding the steel strip in a crisscross pattern, alternating the direction of each layer. This ensures even stress distribution and prevents coil instability. Cross winding is typically used for wider or thicker steel strips. 3. Spiral winding is utilized for large or heavy steel coils. The steel strip is wound in a spiral pattern, gradually increasing the coil's diameter. This method facilitates easy handling and transportation while providing stability and preventing coil collapse. 4. Toroidal winding is employed to produce toroidal or donut-shaped coils. The steel strip is wound in a circular path, with each layer placed inside the previous one. Toroidal winding is commonly utilized in applications like transformers, where specific coil shape and size are required. 5. Interleaved winding involves intertwining two or more steel strips during the winding process. This method is used to create composite coils with varying materials or thicknesses. It enhances strength, stability, and enables customized designs. The selection of a specific coil winding method depends on factors such as strip thickness, width, tensile strength, and desired coil properties. Each method offers unique advantages and is chosen based on the specific requirements of the steel coil application.

Q: How are steel coils used in the production of storage tanks?: Steel coils are typically used as the raw material in the production of storage tanks. These coils are formed into sheets and then shaped and welded to create the tank's body. The strength and durability of steel make it an ideal choice for storing various substances, including liquids and gases, ensuring the safety and longevity of the storage tanks.

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