Hot rolled steel square bar

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Loading Port:: China Main Port

Payment Terms:: TT OR LC

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Product Description

The Detail of Product

Name:	steel billets
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

Chemical Properties

Size	6060/9090/100100/120120/150*150
Length	6000mm-12000mm
Standard	GB
Applicaton	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 requirment
Delivery time	Within 10-30 days after receiving the deposit or LC

Chemical Comosition

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

Q: Can a steel square be used for checking the squareness of a floor tile?: Yes, a steel square can be used for checking the squareness of a floor tile. A steel square is a tool commonly used in construction and carpentry to determine right angles and check for squareness. It consists of a metal ruler with a perpendicular handle, forming a perfect 90-degree angle. By placing the steel square against the edge of the floor tile, it can be used to verify if the tile is properly aligned and forms a right angle with the adjacent tiles or walls. This ensures that the tile installation is precise and the resulting floor is level and aesthetically pleasing.

Q: Can a steel square be used for checking the alignment of a jointer fence?: Yes, a steel square can be used for checking the alignment of a jointer fence.

Q: How do you use a steel square to measure and mark 118.125-degree angles?: To use a steel square to measure and mark a 118.125-degree angle, you would need to follow the steps below: 1. Start by aligning the long edge of the square, also known as the blade, with one side of the angle you want to measure. Ensure that the edge of the blade is flush with the side of the angle. 2. Next, rotate the square until the edge of the blade aligns with the other side of the angle. Make sure the blade remains flush with the side throughout this step. 3. Observe the angle indicated on the scale of the square. Most steel squares have a protractor scale on the blade, which allows you to read the angle being formed between the two sides. 4. If your steel square does not have a protractor scale, you can use a combination of the square's 90-degree edge and a separate protractor. Align the 90-degree edge with one side of the angle, and then use the protractor to measure and mark the remaining 28.125-degree angle. Remember to be precise while aligning the square and measuring the angle to ensure accurate results.

Q: How do you use a steel square to lay out a tenon joint?: To use a steel square to lay out a tenon joint, follow these steps: 1. Begin by measuring the width and thickness of the tenon piece and the mortise piece. This will help determine the size of the tenon that needs to be created. 2. Mark the shoulder line on the tenon piece. This line indicates where the tenon will stop and the shoulder of the joint will begin. Use the straight edge of the steel square to ensure a straight and accurate line. 3. Next, measure the length of the tenon on the tenon piece. This will determine how deep the mortise needs to be on the mortise piece. Mark this measurement on the tenon piece using the steel square. 4. Once the shoulder line and tenon length are marked, place the steel square against the edge of the tenon piece, aligning it with the shoulder line. This will help ensure that the tenon is cut at a perfect right angle to the shoulder line. 5. Use the steel square to mark the sides of the tenon on the tenon piece. Simply place the steel square against the edge of the tenon piece, aligning it with the shoulder line, and mark the width of the tenon on each side. 6. Now, transfer the marks from the tenon piece to the mortise piece. Place the tenon piece against the mortise piece, aligning the shoulder line with the desired location, and transfer the marks for the width and length of the tenon onto the mortise piece using the steel square. 7. Finally, use a saw to cut along the marked lines on both the tenon and mortise pieces. The result should be a perfectly sized and aligned tenon joint. By using a steel square to lay out a tenon joint, you can ensure accurate measurements and precise angles, resulting in a strong and well-fitting joint. Remember to always double-check your measurements and use sharp tools for the best results.

Q: Can a steel square be used for measuring pipe sizes?: No, a steel square cannot be used for measuring pipe sizes. A steel square is a tool used for measuring and marking right angles, not for measuring the diameter or circumference of pipes. To accurately measure pipe sizes, a specific tool called a pipe gauge or a tape measure specifically designed for measuring pipes should be used. These tools are designed to provide accurate measurements of pipe sizes and are more suitable for this purpose.

Q: Can a steel square be used for checking right angles?: Yes, a steel square can be used for checking right angles. A steel square, also known as a framing square or carpenter's square, is a versatile and reliable tool used in woodworking, construction, and other trades. It consists of a long blade and a shorter tongue that meet at a 90-degree angle, forming a perfect right angle. By placing the square against the two surfaces that are supposed to be at right angles to each other, one can easily determine if the angle is truly 90 degrees. The accuracy and rigidity of a steel square make it an excellent tool for checking and ensuring right angles in various applications.

Q: How do you use a steel square to find the center of an irregular shape?: To use a steel square to find the center of an irregular shape, you can follow these steps: 1. Place the steel square on a flat surface, ensuring that it is aligned properly. 2. Position the irregular shape within the steel square, making sure that it is fully contained within the square and that its edges are parallel to the sides of the square. 3. Identify the diagonal lines of the steel square by drawing imaginary lines connecting opposite corners of the square. 4. Extend these diagonal lines beyond the edges of the square. 5. Observe where the extended diagonal lines intersect with the irregular shape. 6. Mark the points of intersection on the shape. 7. Draw a straight line connecting the marked points of intersection. 8. Repeat the process by rotating the steel square and aligning it with different edges of the irregular shape. 9. Where the lines from multiple rotations intersect is the approximate center of the irregular shape. It's important to note that using a steel square to find the center of an irregular shape will give you an approximate center, as the method assumes that the shape is symmetrical.

Q: How do you use a steel square to measure and mark 213.75-degree angles?: To use a steel square to measure and mark a 213.75-degree angle, you would first align the long edge of the square with the baseline or reference line. Then, locate the 90-degree angle on the square and mark it. Next, rotate the square to align the marked 90-degree angle with the reference line and find the 45-degree angle on the square. Mark it as well. Finally, rotate the square to align the 45-degree angle with the reference line and find the 1.25-degree angle on the square. Mark it to accurately measure and mark a 213.75-degree angle.

Q: How do you use a steel square to measure and mark 118.125-degree angles?: In order to measure and mark a 118.125-degree angle using a steel square, the following steps should be followed: 1. Begin by aligning the blade, which is the long edge of the square, with one side of the desired angle. It is important to make sure the edge of the blade is flush with the side of the angle. 2. Proceed by rotating the square until the blade aligns with the other side of the angle. Throughout this step, the blade must remain flush with the side. 3. Take note of the angle indicated on the square's scale. Most steel squares have a protractor scale on the blade, allowing for the measurement of the angle formed between the two sides. 4. If your steel square lacks a protractor scale, a combination of the square's 90-degree edge and a separate protractor can be used. Align the square's 90-degree edge with one side of the angle, and then employ the protractor to measure and mark the remaining 28.125-degree angle. Remember to exercise precision when aligning the square and measuring the angle to ensure accurate outcomes.

Q: What are the common materials used to make steel squares?: Steel squares are typically made using a variety of common materials. The main material used to make steel squares is, of course, steel. Steel is a widely used material due to its high strength, durability, and resistance to corrosion. It provides the necessary stability and hardness required for accurate measurements and precise marking. In addition to steel, other materials are also commonly used in the production of steel squares. One such material is brass. Brass is often used for the face of the square, as it is softer and less likely to damage delicate surfaces when used for marking or scribing. Another material that can be found in steel squares is wood. Wooden handles are often attached to steel squares to provide a comfortable grip and ease of use. Wood is chosen for its natural warmth, durability, and ability to absorb vibrations, ensuring a more stable and accurate measurement. Overall, steel squares are typically made using a combination of steel, brass, and wood. These materials work together to create a reliable and versatile tool that is commonly used in various industries such as carpentry, metalworking, and engineering.

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