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: How do you use a steel square to find the height of a fence post?: In order to find the height of a fence post using a steel square, there are several steps you should follow. First, make sure that the steel square is squared off and level. Align one edge of the steel square with the side of the fence post, ensuring that it is flush with the surface of the post. Afterwards, refer to the measurements on the steel square to determine the height of the fence post. Most steel squares have measurements marked along the edges, usually in inches or centimeters. Locate the measurement that corresponds to the desired height. Once you have identified the correct measurement on the steel square, align a straight edge (such as a ruler or another piece of wood) with that measurement on the square. Ensure that the straight edge is perpendicular to the ground and extends vertically from the top edge of the square. Hold the straight edge securely in place and extend it upwards until it reaches the desired height of the fence post. At this point, you can mark the spot on the straight edge where it intersects with the top of the post. This mark represents the height of the fence post. Subsequently, you can utilize this mark as a reference point for cutting the fence post to the desired height or for ensuring that all the posts are at the same height. Remember to verify your measurements and confirm that the steel square is level and properly aligned to achieve accurate results.

Q: Can a steel square be used for checking the squareness of a door jamb?: The squareness of a door jamb can be checked using a steel square. This versatile tool, known as a framing square or carpenter's square, is commonly used in carpentry and woodworking projects. Its purpose is to ensure accuracy and squareness in various construction tasks with its 90-degree angle. To check the squareness of a door jamb, simply place the steel square against the inside edge of the jamb, making sure that the 90-degree angle of the square lines up with the corner of the jamb. By visually inspecting the alignment of the square against the jamb, any deviations from a perfect 90-degree angle can be detected. If the steel square reveals that the jamb is not perfectly square, adjustments can be made to achieve proper alignment. This might require shimming or trimming the jamb to obtain the desired squareness. Overall, a steel square is an invaluable tool for checking and correcting the squareness of a door jamb, ensuring that the door fits properly.

Q: How do you use a steel square to lay out a common rafter?: To use a steel square to lay out a common rafter, you would first determine the desired pitch and span of the roof. Then, using the measurements, you would locate the corresponding values on the steel square's body and tongue. Next, you would align the square's body along the rafter stock and mark the plumb and seat cuts based on the measurements indicated on the square. Finally, you would transfer those marks onto the rafter stock and cut accordingly to create the common rafter.

Q: How do you use a steel square to determine the angle of a profile cut?: In order to determine the angle of a profile cut, you must follow a few steps using a steel square. Firstly, make sure that your steel square is clean and free from debris or rust. Then, place the steel square flush against the side of the material you want to cut at a right angle, ensuring a snug fit against the surface. Once the steel square is properly positioned, examine the markings on it. Most steel squares have markings indicating angles, typically ranging from 0 to 90 degrees. These markings can be found on both the blade and the tongue of the square. To determine the angle of the profile cut, locate the marking on the blade that aligns with the edge of the material. This marking will indicate the angle at which the cut should be made. If the marking on the blade is not an exact match, you can estimate the angle by looking at the closest marking and measuring the difference. After determining the angle, you can transfer it to your cutting tool or machine to make an accurate profile cut. It is important to note that the accuracy of the angle measurement depends on the precision and calibration of your steel square, so ensure that it is in good condition before using it for such measurements. Using a steel square to determine the angle of a profile cut is a straightforward and efficient method, particularly when dealing with materials that require precise and accurate cuts.

Q: How do you use a steel square to mark out parallel lines on irregular surfaces?: To use a steel square to mark out parallel lines on irregular surfaces, follow these steps: 1. Ensure that the steel square is clean and free from any dirt or debris. This will help maintain accurate measurements. 2. Identify the two points on the irregular surface where you want to mark the parallel lines. It could be the edges of a board or any other reference points you choose. 3. Place the steel square on the surface, aligning one side of the square with one of the reference points. Hold the square firmly in place. 4. Using a pencil or a scribe, slide it along the edge of the square, marking a line on the surface. 5. Now, align the same side of the square with the other reference point and repeat the process of marking a line. 6. You will now have two parallel lines marked on the irregular surface, equidistant from the reference points. 7. If you need to mark more parallel lines, simply repeat steps 3 to 6, aligning the square with the previously marked lines. It's important to note that the accuracy of the parallel lines will depend on the precision of your measurements and the stability of the steel square during the marking process. Also, be cautious of any irregularities or bumps on the surface that may affect the accuracy of the lines.

Q: Can a steel square be used for setting up a band saw?: Yes, a steel square can be used for setting up a band saw. A steel square is a versatile tool that can be used for measuring and marking right angles. When setting up a band saw, it is important to ensure that the blade is properly aligned with the table and the guides are adjusted correctly. A steel square can be used to check the alignment of the blade by placing it against the blade and the table or the fence to ensure that they are at a perfect 90-degree angle. It can also be used to check the squareness of the guides to the blade, ensuring that they are properly aligned for accurate and precise cuts. Overall, a steel square is a handy tool for setting up a band saw and ensuring that it is properly aligned and calibrated for optimal performance.

Q: What are some common techniques for using a steel square in furniture making?: Furniture making utilizes various techniques that rely on the use of a steel square to achieve precise measurements. Here are a few of these techniques: 1. Squareness check: To ensure squareness in furniture pieces like tabletops or cabinet frames, a steel square's long edge can be aligned with the piece's edge. This alignment allows for the determination of perfect perpendicularity or the need for adjustments. 2. Angle marking: Steel squares are often equipped with angle markings, enabling accurate measurement and marking of angles for miters, bevels, or other angled cuts. This feature proves especially valuable when creating angled joints or decorative details in furniture pieces. 3. Measurement transfer: With both inch and metric scales, steel squares facilitate the transfer of measurements from one part of a furniture piece to another. By aligning the square's edge with a reference point, marking the corresponding measurement on another piece becomes effortless. 4. Flatness check: To examine the flatness of large, flat surfaces such as tabletops or panels, a steel square can be placed diagonally across the surface. This technique helps identify any gaps or unevenness that may require correction. 5. Parallel line creation: Steel squares find utility in creating parallel lines for diverse purposes in furniture making. By aligning the square's edge with a reference line, multiple parallel lines can be easily marked at the desired distance. 6. Board thickness determination: Steel squares often feature notches on the inside corner, enabling the measurement of board thickness or the determination of mortise or groove depth. This proves helpful when fitting joinery or checking if a piece will fit into a specific space. All in all, a steel square stands as an indispensable tool in furniture making, offering accurate measurements, squareness checks, angle creation, and flatness assurance. By mastering these techniques, furniture makers can achieve precision and quality in their craft.

Q: Can a steel square be used for laying out a foundation?: Laying out a foundation can be achieved by utilizing a steel square. Known as a framing square or carpenter's square, this versatile tool plays a crucial role in carpentry and construction. It serves to measure and mark angles, as well as to assess the accuracy and squareness of lines and corners. To guarantee the squareness of corners and angles during foundation laying, the steel square comes into play. Its application involves measuring and marking the dimensions of the foundation, ensuring precise and accurate placement with the correct shape. The straight edges and right angles of the steel square render it an ideal tool for this specific task. Furthermore, the steel square finds usefulness in the layout of additional foundation elements like anchor bolts or anchor plates. By leveraging the steel square for measuring and marking the positions of these elements, their alignment can be precisely executed, harmonizing with the overall foundation layout. All in all, the steel square holds immense value in the process of foundation laying. Its usage guarantees accuracy, ensuring proper alignment and squareness of the foundation.

Q: How do you use a steel square to measure and mark out rip cuts?: To use a steel square to measure and mark out rip cuts, follow these steps: 1. Start by ensuring that the steel square is clean and free from any dirt or debris that could affect its accuracy. 2. Begin by measuring the width of the material you wish to rip. Place the square's long edge against the edge of the material, ensuring it is flush and perpendicular. 3. Slide the square along the material until the desired width is reached. Ensure that the square remains flush against the edge throughout this process. 4. Once the square is in the correct position, use a pencil or a marking tool to mark the material along the edge of the square. This will create a straight line indicating where the cut should be made. 5. Repeat this process at regular intervals along the length of the material, ensuring that the square is aligned properly each time. This will help to maintain accuracy and consistency in your rip cuts. 6. Once all the marks have been made, double-check the alignment and accuracy of the lines before proceeding to cut the material. It's always better to be certain before making any irreversible cuts. Remember, a steel square is a versatile tool that can be used for a variety of measurements and marking tasks. Practice using it and ensure you maintain its cleanliness and accuracy for the best results in your woodworking projects.

Q: How do you use a steel square for marking and cutting angled mortise and tenon joints?: To use a steel square for marking and cutting angled mortise and tenon joints, start by setting the desired angle on the steel square's blade and stock. Then, align the square against the workpiece and mark the layout lines for the mortise and tenon using the blade and stock. Next, use a marking knife or a pencil to score along the layout lines. This will serve as a guide for making the cuts. Finally, use a saw or chisel to cut along the marked lines, ensuring accuracy and precision by referencing the steel square throughout the process.

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