• Q275Cr  High Quality  Square  Steel  Bar System 1
  • Q275Cr  High Quality  Square  Steel  Bar System 2
  • Q275Cr  High Quality  Square  Steel  Bar System 3
Q275Cr  High Quality  Square  Steel  Bar

Q275Cr 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:

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: How accurate are steel squares for measuring angles?
Steel squares are generally very accurate for measuring angles. They are designed with precision and built to strict standards, ensuring that the angles they provide are reliable and consistent. However, their accuracy can be affected by factors such as wear and tear, misuse, or manufacturing defects. Therefore, it is important to regularly check and calibrate steel squares to ensure their accuracy. Overall, when used correctly and maintained properly, steel squares can be highly accurate tools for measuring angles.
Q: How do you determine the center of a circle using a steel square?
A steel square cannot be used to determine the center of a circle. The center of a circle can be determined by using different methods such as finding the midpoint of the diameter or by drawing perpendicular bisectors of chords within the circle.
Q: Can a steel square be used for checking the plumbness of a column?
No, a steel square cannot be used for checking the plumbness of a column. A steel square, also known as a framing square or carpenter's square, is primarily used for measuring and marking right angles in carpentry and construction work. It consists of a long, straight edge with a perpendicular arm, forming an L-shape. While it can be useful for tasks such as checking angles or laying out cuts, it does not have the necessary features or accuracy to determine the plumbness of a column. To check the plumbness of a column, a plumb bob or a level would be more appropriate tools. A plumb bob is a weighted object attached to a string, which when suspended, aligns itself vertically due to gravity. By holding the plumb bob against the column, one can determine if it is perfectly vertical or not. On the other hand, a level has a bubble that moves within a vial, indicating whether a surface is level or plumb. By placing the level against the column, one can easily check if it is perfectly plumb or if it requires adjustment. In summary, while a steel square is a versatile tool in construction, it is not suitable for checking the plumbness of a column. A plumb bob or level should be used for this specific task to ensure accurate results.
Q: What are the measurements on a steel square?
The measurements on a steel square typically include a straight edge measuring 24 inches, a centering head, a protractor, and a ruler with both metric and imperial measurements.
Q: How do you use a steel square for marking and cutting tenons with shoulders?
For marking and cutting tenons with shoulders, the following steps should be followed when using a steel square: 1. Before starting, make sure that the steel square is clean and free from rust or debris. This will guarantee accurate measurements and markings. 2. To begin, measure the width of the tenon on the piece of wood being worked on. Place the steel square on the wood's edge, aligning the inside edge of the square with the desired width measurement. 3. Once the square is aligned, use a pencil or marking knife to mark the tenon's width on the wood. It is important to mark both sides of the wood for accuracy. 4. Next, determine the tenon's depth. Measure the desired depth on the wood's end, perpendicular to the width marking. This will be the length of the shoulder on each side of the tenon. 5. Position the steel square on the wood's end, aligning the inside edge of the square with the depth measurement. Use a pencil or marking knife to mark the shoulder depth on each side of the wood. 6. After marking the tenon's width and shoulder depth, proceed to cut it. Use a saw to carefully cut along the width marking, stopping at the shoulder depth marking. Repeat this on the other side of the wood to create the tenon. 7. Once the tenon is cut, refine the shoulders using a chisel or shoulder plane. Carefully remove any excess wood to create a clean and flat surface for the shoulders. 8. Finally, check the fit of the tenon by inserting it into the corresponding mortise or joint. Make any necessary adjustments to the width or shoulder depth until the tenon fits snugly. By utilizing a steel square, precise measurements and markings can be ensured when marking and cutting tenons with shoulders. This will result in a sturdy and accurate joint that fits together seamlessly.
Q: Can a steel square be used for checking the squareness of door jambs?
Door jambs can be checked for squareness using a steel square. This versatile tool, also known as a framing square or carpenter's square, is commonly used in construction and woodworking. It consists of two arms that form a right angle, enabling precise measurements and angle marking. To check the squareness of a door jamb using a steel square, position the longer arm against one side of the jamb and the shorter arm against the adjacent side. Make sure both arms align perfectly with the edges of the jamb. Then, observe whether the square aligns perfectly with the jamb. If the jamb is square, the square's edges will run parallel to the sides of the jamb. If the square doesn't align perfectly with the jamb or there is a gap between the square and the jamb, it indicates that the jamb is not square. This can lead to issues with the door installation, such as problems with closing, opening, or proper latching. In such cases, adjustments may be necessary to ensure the jamb is square before proceeding with the door installation. In conclusion, a steel square is a reliable tool for checking the squareness of door jambs. It enables quick and accurate measurements, ensuring a proper door installation.
Q: How do you use a steel square to mark a line parallel to a board edge?
To mark a line parallel to a board edge using a steel square, adhere to the following instructions: 1. Align one of the steel square's edges with the board's edge. 2. Securely hold the steel square in position, making sure it remains stable. 3. Position a pencil or marking tool against the steel square's opposite edge. 4. While maintaining contact between the pencil and the steel square's edge, cautiously glide it along the square's length. 5. As the pencil moves, it will leave a mark on the board, parallel to its edge. 6. Continue sliding the pencil until the desired length or distance on the board is marked. 7. After marking the line, verify its parallelism by measuring the same distance at various points along the line. Employ a tape measure or ruler for accurate verification. By utilizing a steel square and adhering to these instructions, you can effortlessly mark a line parallel to a board edge. This technique proves particularly beneficial in carpentry and woodworking projects where precision plays a crucial role.
Q: Can a steel square be used for beam layout and construction?
Yes, a steel square can be used for beam layout and construction. A steel square, also known as a framing square or carpenter's square, is a versatile tool commonly used in carpentry and construction. It consists of a long, straight edge and a shorter, perpendicular edge that forms a right angle. When it comes to beam layout and construction, a steel square can be used to mark and measure the angles and lengths required for accurate beam placement. It can help determine the correct angles for cutting beams, as well as assist in ensuring the beams are level and properly aligned during construction. Additionally, a steel square can be used to check for squareness and make sure the corners of the beams are 90 degrees. This is important for structural integrity and stability. Overall, a steel square is a valuable tool for beam layout and construction as it provides accuracy, versatility, and ease of use.
Q: How does a steel square assist in measuring and marking angles?
A steel square assists in measuring and marking angles by providing a straight edge and a right angle that can be used as a reference. The square has a long blade that can be placed against a surface to measure its alignment, and a shorter tongue that can be used to mark right angles. By aligning the square's blade with a desired angle or using the right angle of the square to create perpendicular lines, accurate measurements and markings can be made.
Q: Can a steel square be used for checking the flatness of a floor?
Yes, a steel square can be used for checking the flatness of a floor. A steel square is a versatile tool that can be used for various measuring tasks, including checking the flatness of surfaces. To use a steel square for this purpose, you would need to place it on different areas of the floor and observe if there are any gaps or unevenness. By sliding the square across the floor and checking for any inconsistencies, you can determine if the floor is flat or if there are any high or low spots. However, it is important to note that a steel square may not be the most precise tool for this task, as it cannot detect minor variations in the floor's flatness. For more accurate measurements, specialized tools such as a laser level or a straightedge may be required.

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