Q345Cr High Quality Square Steel Bar System 1

Q345Cr High Quality Square Steel Bar

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Loading Port:: Tianjin

Payment Terms:: TT OR LC

Min Order Qty:: 1000 m.t.

Supply Capability:: 100000 m.t./month

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Product Description:

In the production of steel products, steel is molded and reshaped with different machinery at different temperatures. One process is steel rolling, which involves metal stock passing through a pair of rolls. Rolling produces flat steel sheets of a specific thickness, and the process is classified according to the temperature at which the metal is rolled. If the temperature of the metal is above its recrystallization temperature, or the temperature at which the grain structure of the metal can be altered, then the process is termed as hot rolling. If the temperature of the metal is below its recrystallization temperature, the process is termed as cold rolling.

Like cold rolling, cold drawing is performed at room temperature, but instead of producing a flat object like a coke can, cold drawing makes steel into the form of a wire like the spokes of a wheel or a paper clip. To start the process, Steel is usual hammered and rolled so that it can be fit through a die; a tool that turns the steel mass into a wire. The room temperature steel is pulled through the die which reshapes it into a thinner shape while maintaining the same volume. It is similar to the idea of syrup flowing out of a bottle through a tube in that it changes shape but not volume, but instead of squeezing the metal, it is pulled out. In order to get the wire down to the right diameter, it usually requires more than one pass through different dies.

Colddrawn steel, steel covered carbon steel, excellent carbon steel, alloy structural steel, carbon tool steel, spring steel, bearing steel, tool steel, cold heading steel, free cutting steel, martensite stainless steel; products include all kinds of shapes round, square steel, hexagonal, flat steel and other conventional products, including various special-shaped steel products. In all types of colddrawn steel industry has been widely used, these areas include automotive, machine tools, furniture, standard parts, textile machinery, agricultural machinery, military industry and other industries.

The total assets of more than 40 million, as of the end of 2010 with fixed assets of 34 million, with 60 tons from 5 tons a chain drawing machine 10 sets, horizontal and inverted coiled wire drawing machine 5 sets, steel and plate production line of blasting, high-power ham stove, various straightening machine and cold rolling mill and other major equipment.

Usage/Applications

-The Square Bar is normally used as structure steel.

-Row material for other structure steel like steel angles, channels, I-beams, H-beams, etc…

Packaging & Delivery

-Packing Detail: The products can be packed in bundles by steel wires.

-Marks: We make tag marks and color marks. The tag marks with white background and red company logo will be tied up to each bundle of the products. The information is usually including basic information of products and company and other information requested by customers. As for color marks, we will paint both ends of bundles to make sure that it w

-Delivery Detail: 30~45 working days after receive buyer’s T.T. or L/C.

ill be more convenient for customers to distinguish them from other products.

Q: What are some common applications for a steel square in fence construction?: In fence construction, a steel square proves to be a versatile and reliable tool. Its precision and durability make it a common choice for fence builders. Here are some typical uses of a steel square in this field: 1. Accurate angle measurement and marking: To guarantee the correct alignment and levelness of fence posts and rails, a steel square is frequently employed to precisely measure and mark angles. 2. Squareness verification: Ensuring that corners are perfectly square is essential in fence construction. A steel square becomes an indispensable aid in this task, as it allows builders to confirm the alignment of fence panels and the overall stability of the structure. 3. Determining lengths and cuts: Fence rails, pickets, and panels need to be cut to the correct length. A steel square can be effectively utilized for measuring and marking these dimensions, ensuring uniformity and seamless fitting of all components. 4. Creation of straight lines: A steel square is invaluable for establishing straight lines, whether it is marking the initial boundary or aligning fence elements. By using the square's edge as a guide, builders can achieve greater precision and aesthetic appeal in their construction. 5. Levelness assessment: Fence posts and rails must be level for optimum performance. By placing a steel square against the vertical surface, builders can determine if adjustments are needed to achieve perfect vertical alignment. 6. Gate frame squareness: When constructing a gate, achieving a perfectly square frame is crucial to prevent sagging and ensure smooth operation. A steel square is an indispensable tool for this purpose, providing accuracy in the construction process. Overall, a steel square is an invaluable tool in fence construction. Its ability to provide accurate measurements, levelness, and squareness results in the creation of professionally built and sturdy fences.

Q: How do you use a steel square to find angles for compound coping cuts?: To use a steel square to find angles for compound coping cuts, you can follow these steps: 1. Place the steel square on the material you want to cut, aligning one edge of the square with the straight edge of the material. 2. Adjust the square to the desired angle by rotating it until the desired angle is achieved. The steel square will have different angles marked on it for reference. 3. Once you have set the steel square to the desired angle, use a pencil or marker to mark the line on the material along the edge of the square. 4. Repeat the process for any other angles needed for the compound coping cut, ensuring the steel square is properly aligned and marked. 5. Connect the marked lines to form the shape of the compound coping cut, and use appropriate tools such as a coping saw to carefully cut along the marked lines. By using a steel square, you can accurately measure and mark angles for compound coping cuts, making the cutting process more precise and efficient.

Q: Can a steel square be used for marking out finger joints?: Yes, a steel square can be used for marking out finger joints. A steel square is a versatile and precise tool commonly used in woodworking and carpentry. It has a 90-degree angle and a ruler along its edge, making it perfect for marking out straight lines and angles. When making finger joints, accuracy is crucial to ensure a proper fit. A steel square can be used to mark the lines and angles needed to create the joints, allowing for precise and clean cuts. However, it is important to note that finger joints require precise measurements and layout, so it is recommended to use a dedicated finger joint jig or a dado blade on a table saw for the best results.

Q: How do you use a steel square to find the rise and run of stairs?: To accurately determine the rise and run of stairs, one can utilize a steel square and proceed as follows: 1. Begin by measuring the total rise, which represents the vertical distance between the levels that the stairs will connect. This measurement can be taken from the upper floor's top surface to the lower floor's top surface. 2. Next, ascertain the desired number of risers. Divide the total rise by the desired riser height (typically between 6 to 8 inches) to obtain the number of risers required. Round the result to the nearest whole number. 3. To determine the number of treads, subtract 1 from the previously calculated number of risers. This adjustment accounts for the fact that the topmost step does not necessitate a tread, as it connects directly to the upper floor. 4. Divide the total run, which represents the horizontal distance the stairs will span, by the number of treads derived in the previous step. This calculation will yield the run measurement for each individual tread. 5. Employ the steel square by affixing it to the edge of a tread, ensuring that the 90-degree corner aligns with the tread's edge. 6. Slide the square along the tread until the desired tread depth (e.g., the 7-inch mark) on the square's inside edge aligns with the front edge of the tread. 7. Once properly aligned, mark the position of the square's outside edge on the tread. This marking denotes the run measurement for that particular tread. 8. Repeat this process for each tread, diligently aligning the square and accurately marking the run measurement. By adhering to these steps and utilizing a steel square, one can effectively determine the rise and run of stairs, guaranteeing a secure and comfortable staircase design.

Q: What is a steel square?: A steel square is a versatile measuring and layout tool used in carpentry and woodworking. It consists of a flat metal blade with different measurements and angles marked on each side. Its main purpose is to ensure accurate right angles and precise measurements during various construction tasks.

Q: What are the different ways to read angles on a steel square?: There are typically three different ways to read angles on a steel square: 1. Degree scale: Steel squares often have a degree scale on one of the arms, allowing you to directly read the angle in degrees. This scale is useful for precise measurements and accurate angle readings. 2. Protractor scale: Some steel squares feature a protractor scale, which allows you to measure angles more precisely. By aligning the square's edge with the angle you want to measure, you can read the angle directly from the protractor scale. 3. Vernier scale: Certain steel squares may also have a vernier scale, which provides a more detailed measurement of angles. By aligning the square's edge with the angle you want to measure, you can read the angle from the vernier scale and get a more precise reading than with a regular degree scale.

Q: How do you use a steel square to measure board diagonals at different points?: To measure board diagonals at different points using a steel square, place the square against one corner of the board and align one of its legs with the edge. Then, extend the other leg until it reaches the opposite corner of the board. Take note of the measurement on the square's blade where it intersects with the second corner. Repeat this process for the other diagonal by placing the square against another corner, ensuring one leg aligns with the edge, and extending the other leg to the remaining corner.

Q: Are steel squares available in different sizes?: Steel squares can be found in a variety of sizes. Engineers' squares or try squares, also known as steel squares, are typically offered in different sizes to meet various needs and uses. These squares come in varying lengths, typically ranging from 3 inches to 12 inches or more. The size of a steel square refers to the length of its blade or beam, which is utilized for measuring or marking. The selection of a steel square's size is determined by the specific demands of the task, including the dimensions of the workpiece or the desired level of precision.

Q: What are the different techniques for using a steel square in metalworking projects?: There are several techniques for using a steel square in metalworking projects. Here are a few commonly used techniques: 1. Measuring and marking: One of the primary uses of a steel square is for measuring and marking precise angles and lengths on metal. By placing the square against the edge of the metal and aligning it with the desired angle or length, you can make accurate measurements and mark the metal accordingly. 2. Checking squareness: Steel squares are also used to check the squareness or perpendicularity of metal components. By placing the square against the edges or corners of the metal, you can determine if they are perfectly square or if any adjustments need to be made. 3. Setting up tools and machinery: Steel squares can be used to set up tools and machinery in metalworking projects. By aligning the square with the tool or machine's components, you can ensure that they are positioned correctly and at the desired angles. 4. Creating right angles: Steel squares are ideal for creating right angles in metal. By placing the square against the edge of the metal and using it as a guide, you can make precise cuts or bends to create perpendicular edges. 5. Checking flatness: Steel squares can be used to check the flatness of metal surfaces. By placing the square on different areas of the metal and observing any gaps or inconsistencies, you can determine if the surface is flat or if it needs further work. 6. Transferring measurements: Steel squares can also be used to transfer measurements from one piece of metal to another. By aligning the square with the measurement on the first piece and then marking the same measurement on the second piece, you can ensure accuracy in your metalworking projects. Overall, a steel square is a versatile tool in metalworking projects, enabling precise measurements, checking angles, ensuring squareness, and assisting in various other tasks.

Q: How is a steel square different from a combination square?: Carpentry and metalworking employ two distinct measuring tools: the steel square and the combination square. These tools differ in their characteristics and purposes. The steel square, also referred to as a framing square or carpenter's square, is a large tool shaped like an L, typically constructed from steel or aluminum. It consists of two arms, one longer than the other, and is primarily utilized for measuring and marking right angles. The blade, the longer arm, usually spans 24 inches, whereas the tongue, the shorter arm, measures around 16 inches. Construction tasks such as framing, stair layout, and squareness verification commonly rely on steel squares. Conversely, the combination square represents a versatile measuring instrument comprising a ruler or blade with an adjustable head that can be secured at varying angles. Its head incorporates a level bubble, a protractor scale, and a scribe or marking point. Unlike the steel square, the combination square permits precise measurements encompassing both angles and lengths. Woodworking, metalworking, and other trades that prioritize accuracy and adaptability often employ combination squares. Measuring and marking 45-degree and 90-degree angles, establishing miter cuts, and transferring measurements are among the tasks facilitated by combination squares. To summarize, the distinctive design and functionality separate the steel square from the combination square. The former serves as a straightforward L-shaped tool primarily geared towards measuring right angles, while the latter operates as a sophisticated measuring instrument capable of precise and versatile angle and length measurements.

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