Hot Rolled Round Steel Bars Q235 System 1

Hot Rolled Round Steel Bars Q235 System 2

Hot Rolled Round Steel Bars Q235

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Loading Port:: Tianjin

Payment Terms:: TT OR LC

Min Order Qty:: -

Supply Capability:: 200000 m.t./month

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Specifications of Hot Rolled Round Bar

1. Grade: Q235, SS400, A36, S235JR

2. Diameter: 6mm—150mm

3. Length: As customer’s request, but we usually produce 6m, 9m and 12m

4. Steel Grade: Mild carbon steel

5. Characteristics: Has a good harden ability, high hardness, wear resistance, heat distortion, etc. So it can be used in the production of heavy duty and complex shape mold.

6. Main Markets: Mid East, Southeast Asia, Africa, Oceania, Eastern Asia, Central America and South America, etc.

Usage and Applications of Hot Rolled Round Bar

1. Hot rolled round bar of 6-25mm, or small round is mostly used for straight bundles supply, and used for steel, bolts and various mechanical parts. While the bigger round bar, or more than 25mm hot rolled bar, is mainly for the manufacture of mechanical parts or for seamless steel billet.

2. Besides, we can supply some especial material steel round bar that can be used for main shaft of steamer, hummer shank, with big section and supper force.

Packaging & Delivery of Hot Rolled Round Bar

Packaging Detail: All goods are packed in bundle with steel strips and shipped by break bulk vessel or container (depend on target market and different ports)

Delivery Detail: 45 days

Trade terms: FOB, CFR, CIF

MOQ: 25 tons per specification; we can negotiate the quantity if the specification is normal or we have stock of one specification.

Weight: Theprice invoicing on theoretical weight basis or actual weight basis depends on customer’s request.

Shipment: The shipment of bulk break or container is depends on customer’s request and the situation of the port of destination.

Documents given: Full set of original clean on board bill of lading; Original signed commercial invoice; Original packing list; Policy of insurance; Certificate of origin and what the target market needs.

Production Flow of Hot Rolled Round Bar

We use advanced equipments like Electric Arc Furnace, Ladle Furnace and Vacuum Degasser to produce our products.

The common processes are preheated forging quenching, dual refinement solution process, cooling quenching and isothermal quenching. We use heat treatment for dual refinement solution process. The main measures process is high temperature solution and refinement cycle. High temperature solution can improve the carbide morphology and particle size. The aim is to make the loop refinement ultrafine austenite grains.

Preheated Round Bar

Quality Assurance of Hot Rolled Round Bar

1. We will strictly inspect our production that we sold according to the customer’s request.

2. Quality should be in conformity with the specification of the manufacturer. Quantity and packing conditions should be in conformity with the term in the contract.

3. Should the packing found damaged, the buyer has the right to claim to the seller.

Q: Can a steel square be used for cutting or shaping materials?: Certainly! A steel square possesses the capability to cut and shape various materials. Although its primary function lies in measuring and verifying right angles, the straight edges and corners of a steel square can also serve as a guide for cutting or shaping materials like wood, metal, or plastic. By offering a robust and accurate reference point, the steel square guarantees precise cuts or shapes. Nevertheless, it is crucial to acknowledge that the steel square does not function as a cutting tool but rather aids in upholding straight lines and right angles while cutting or shaping.

Q: How do you use a steel square to lay out a parallelogram base?: To lay out a parallelogram base using a steel square, follow these instructions: 1. Begin by making sure that your steel square is clean and free of any dirt or debris. This will guarantee accurate measurements and markings. 2. Determine the desired dimensions for your parallelogram base. You must know the length and width of the base. 3. Utilize the longer side of the steel square, called the blade, to measure and mark the base's length on the material you are working with. Position the blade of the steel square against one edge of the material and extend it until it reaches the desired length. Make a faint pencil mark at the blade's end to indicate the length. 4. Then, rotate the steel square 90 degrees so that the shorter side, known as the tongue, aligns with the pencil mark made in the previous step. Confirm that the blade is perpendicular to the material. 5. Extend the blade of the steel square until it reaches the desired width of the base. Make a light pencil mark at the blade's end to indicate the width. 6. Now, remove the steel square from the material and connect the two pencil marks using a straightedge or ruler. This line represents one side of your parallelogram base. 7. Repeat steps 3 to 6 to create the opposite side of the parallelogram base. Ensure that the length and width measurements match the first side. 8. Lastly, connect the two parallel sides of the base by drawing lines that are parallel to the width measurement. Use a straightedge or ruler to ensure accuracy. By following these steps, you can effectively lay out a parallelogram base with precise measurements and angles using a steel square.

Q: What are some common applications for a steel square in deck construction?: In deck construction, a steel square, also called a framing square or carpenter's square, is a tool that is widely used for a variety of purposes. It has numerous applications, including: 1. Framing and layout: The steel square is employed to mark and lay out the framing lines for the deck. Its precise measurements and angles ensure accuracy in the deck's foundation, joists, and posts. 2. Checking corners and angles: During construction, the steel square is indispensable for verifying the accuracy of corners and angles. It ensures that the deck's structure is properly aligned and square. 3. Lumber cutting and marking: The steel square is used to measure and mark lumber for cutting. It provides straight edges and aids in making precise cuts, particularly for deck boards, joists, and other framing components. 4. Level determination: The steel square is valuable for determining the levelness of the deck's surface. By placing the square on the deck boards, builders can identify any unevenness or slopes that require correction. 5. Stair creation: When constructing stairs for a deck, the steel square is useful for determining the rise and run of each step. It ensures consistent and safe dimensions for the stairs. 6. Angles for railing installation: The steel square is used to check and mark the angles for installing deck railings. It helps achieve the desired angle for proper railing installation. 7. Measuring and spacing: The steel square is equipped with measurements, making it handy for measuring and spacing components during deck construction. It maintains consistent spacing between deck boards, balusters, and other elements. In summary, the steel square is an indispensable tool in deck construction, playing a vital role in ensuring accuracy, alignment, and levelness. Its versatility and reliability make it the go-to tool for carpenters and builders at various stages of deck construction.

Q: What is the purpose of a steel square?: The steel square, also known as a framing square or carpenter's square, serves to aid in the construction and layout of right angles. It is a versatile tool employed by carpenters, woodworkers, and other tradespeople to precisely measure, mark, and cut various angles and lengths. Typically, a steel square comprises two arms: a lengthy one referred to as the blade, and a shorter one called the tongue. These arms intersect at a 90-degree angle, forming an exact right angle. The blade is etched with a range of measurements and angles, facilitating accurate calculations and layout. A key application of the steel square is to ascertain and denote right angles. By aligning the blade and tongue against the edges of a board or wall, a carpenter can ensure the corners are flawlessly square. This is of utmost importance when constructing frames, rafters, stairs, and other structures necessitating precise angles. Moreover, the steel square can be utilized to measure and mark angles other than 90 degrees. By utilizing the marked angles on the blade, one can effortlessly measure and cut common angles like 45 degrees or 30 degrees. This renders it a valuable tool for tasks such as mitering corners, executing bevel cuts, or creating accurate angles in woodworking projects. In essence, the steel square serves the purpose of furnishing a reliable and efficient means of establishing and working with right angles and various angles in construction and woodworking. It aids in ensuring accuracy, efficiency, and quality in the process of measuring, marking, and cutting, thus rendering it an indispensable tool for professionals and hobbyists alike.

Q: What are the different ways to hold a steel square?: To hold a steel square, there are various methods to consider based on the specific task and personal preference. Here, we present some commonly used techniques: 1. Finger grip: The most basic and widely used approach involves firmly grasping the steel square with your fingers and thumb, ensuring a secure hold. 2. Palm grip: Some individuals prefer this method for enhanced control and stability. It involves holding the steel square in your palm, with your fingers wrapped around the handle. This grip facilitates greater precision and accuracy during usage. 3. Thumb grip: Another popular technique is to hold the steel square with your thumb on one side of the handle and your fingers on the other side. This grip provides stability and control while keeping your fingers free for other tasks. 4. Hook grip: In specific situations where stability is required, you may need to hang the steel square on an edge or hook it onto a surface. To achieve this, you can hold the square by inserting your fingers through the holes or slots in the handle, creating a grip resembling a hook. 5. Clamped grip: For more intricate tasks such as woodworking or metalworking, securing the steel square in place using clamps or vices can be advantageous. This ensures the square remains fixed, enabling precise measurements and marking. Ultimately, the choice of how to hold a steel square depends on personal comfort, the nature of the task, and the desired level of control and stability. It is crucial to find a grip that allows for safe and effective use of the square.

Q: How do you determine the thickness of a steel square?: There are several methods available for determining the thickness of a steel square. One commonly used approach involves utilizing a caliper, a specialized tool designed for measuring thickness. To employ this method, insert the square between the jaws of the caliper and gently close them until they make contact with both sides of the square. The measurement displayed on the caliper will indicate the thickness of the steel square. Alternatively, a more precise method involves employing a micrometer, which is a tool specifically designed for measuring thickness. Similar to the caliper, place the square between the jaws of the micrometer and tighten them until they securely grasp the square. The measurement displayed on the micrometer will provide an accurate reading of the steel square's thickness. If access to specialized measuring tools is not available, a ruler or tape measure can be utilized. However, it must be kept in mind that these tools may not offer the same level of accuracy. Place the square on a flat surface and use the ruler or tape measure to determine the distance between one side and the other. This measurement will yield an approximation of the steel square's thickness. It is important to emphasize that when utilizing any measuring tool, it is crucial to handle the square with care and ensure that it is properly aligned and flat on the measuring surface. Additionally, always verify the measurement to ensure accuracy.

Q: What are some common mistakes to avoid when using a steel square?: When using a steel square, there are a few common mistakes that should be avoided to ensure accurate measurements and precise angles. Here are some of the most frequent errors: 1. Not checking for squareness: One of the common mistakes is assuming that the steel square is perfectly square and not double-checking its accuracy. It is essential to verify its squareness by comparing it to a known square or using a precision instrument like a digital angle gauge. 2. Improper placement: Incorrect placement of the steel square can lead to inaccurate measurements. It is crucial to ensure that the square is aligned properly with the workpiece or the surface being measured. Placing it firmly against the edge or corner is necessary to obtain accurate results. 3. Misreading measurements: Another common mistake is misreading the measurements on the steel square. These squares typically have various scales and markings on different sides, so it is important to familiarize yourself with how to read them correctly. Using the wrong scale or misinterpreting the markings can result in incorrect measurements. 4. Inconsistent pressure: When marking or scribing lines with a steel square, inconsistent pressure can lead to inaccurate results. Applying uneven pressure or not holding the square firmly against the workpiece can cause the square to shift, resulting in imprecise lines. 5. Neglecting to clean and maintain the square: Over time, dirt, dust, and rust can accumulate on the steel square, affecting its accuracy. It is essential to regularly clean and maintain the square to ensure that it functions properly. Using a soft cloth and a mild cleaning solution can help remove any debris or rust. 6. Not using the square for its intended purpose: Lastly, using the steel square for tasks it is not designed for can lead to mistakes. Steel squares are primarily used for measuring and marking right angles, so trying to use them for other angles or complex measurements may result in errors. It is important to choose the appropriate tool for the specific task at hand. By being aware of these common mistakes and taking the necessary precautions, you can effectively use a steel square and achieve accurate measurements and precise angles in your projects.

Q: Can a steel square be used for checking the flatness of a countertop joint?: Using a steel square to assess the flatness of a countertop joint is not suitable. The steel square serves as a measuring tool for right angles, mainly employed for marking and confirming squareness. Its purpose does not involve precise measurement of a surface's flatness or levelness. For a more suitable evaluation of a countertop joint's flatness, one should consider employing either a straightedge or a precision level.

Q: How do you use a steel square to measure the height of a cabinet?: To measure the height of a cabinet using a steel square, first make sure the cabinet is placed on a level surface. Then, position the steel square vertically against the side of the cabinet, aligning the long edge of the square with the top edge of the cabinet. The square should be flush against the cabinet and perpendicular to the surface it is resting on. Next, take a measuring tape or ruler and measure the distance from the bottom edge of the steel square to the floor or the surface the cabinet is resting on. This measurement will give you the height of the cabinet. To ensure an accurate reading, keep the steel square steady and straight against the side of the cabinet throughout the measurement process. For double-checking and accuracy, repeat the process on the other side of the cabinet. By utilizing a steel square, you can obtain a reliable and precise method for determining the vertical dimensions of a cabinet.

Q: Can a steel square be used as a makeshift protractor?: No, a steel square cannot be used as a makeshift protractor. While both tools are used for measuring angles, they serve different purposes and have different designs. A steel square is primarily used for making right angles and measuring straight edges, whereas a protractor is specifically designed for measuring angles of any degree. The markings and scale on a steel square are not suitable for accurately measuring non-right angles. It is always best to use the appropriate tools for accurate measurements.

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