High Quality GB Standard Steel Square Bar 16mm-20mm

High Quality GB Standard Steel Square Bar 16mm-20mm System 1

High Quality GB Standard Steel Square Bar 16mm-20mm

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Loading Port:: Tianjin

Payment Terms:: TT OR LC

Min Order Qty:: 25 m.t

Supply Capability:: 10000 m.t/month

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Product Description:

-Standard: GB,

-Grade: Q195 or equivalent.

-Chemical Composition:

Standard	Grade	Element (%)
GB	Q195	C	Mn	S	P	Si
GB	Q195	0.06~0.12	0.25~0.50	≤0.050	≤0.045	≤0.30

Measures of HR Square Bar (small measures):

HR Square Bar.

(Section of HR Square Bar)

-Length of a side and Theoretical weight of Square Bar.

Length of a side(mm)	Theoretical weight(kg/m)	Length of a side(mm)	Theoretical weight(kg/m)
7	0.385	22	3.80
8	0.502	24	4.52
9	0.636	25	4.91
10	0.785	26	5.30
11	0.950	28	6.15
12	1.13	30	7.06
13	1.33	32	8.04
14	1.54	34	9.07
15	1.77	36	10.17
16	2.01	38	11.24
17	2.27	40	12.56
18	2.54	42	13.85
19	2.82	45	15.90
20	3.14	48	18.09
21	3.46	50	19.63

Notes:

1, The theoretical weights in the list, base on the density of 7.85 g/cm3.

2, Formula for theoretical weight of Square bar: (length of a side)2 * 0.00785

3, The numbers with ＊mean that they are not regular or we don’t offer them.

-Regular length of Square Bar:

Steel	Length of a side (mm)	Length of steel (m)
Normal steel	< 25	4~10
Normal steel	> 25	3~9
Steel of high quality	All measure	2~6
Steel of high quality	Tool steel >75	1~6

Usage/Applications of HR Square Bar:

-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 of HR Square Bar:

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

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

Transportation:

-The products can be delivered by bulk vessel or by container. As for container, products with the length of 6m will be loaded in 20’ container, with 9m or 12m, in 40’ container.

-The maximum quantity of loading of container is 25 tons.

-The products are usually transported to the nearest port from the production place.

Q: How do you use a steel square to ensure the correct angle for a mortise and tenon joint?: To use a steel square to ensure the correct angle for a mortise and tenon joint, follow these steps: 1. Begin by determining the desired angle for your mortise and tenon joint. This will depend on the type of joint and the specific project you are working on. 2. Place the steel square against the edge of the piece of wood where you want to create the mortise or tenon. Ensure that the square is aligned properly and that it is perpendicular to the edge. 3. Once the square is in position, use a pencil or marking knife to mark the desired angle on the wood. Make sure the mark is clear and visible. 4. Next, transfer the same angle onto the corresponding piece of wood that will receive the mortise or tenon. Use the square again to ensure accurate alignment. 5. With both pieces marked, carefully cut the mortise and tenon joints using the marked angles as a guide. You can use a chisel, saw, or other appropriate woodworking tools for this purpose. 6. After cutting the joints, double-check the fit by inserting the tenon into the mortise. If it fits snugly and aligns properly, you have successfully used the steel square to ensure the correct angle for your mortise and tenon joint. Remember, practice and precision are key when working with mortise and tenon joints. Take your time, measure accurately, and make necessary adjustments to achieve a strong and secure joint.

Q: Can a steel square be used for checking the squareness of a power planer table?: It is not possible to use a steel square to check the squareness of a power planer table. Steel squares are commonly used to check the squareness of corners or edges of materials, but they are not suitable for larger surfaces like power planer tables. In order to accurately check the squareness of a power planer table, it is recommended to use specialized tools such as precision straight edges or dial indicators. These tools provide precise measurements and ensure that the table is perfectly square, which is crucial for achieving accurate and consistent planing results.

Q: Can a steel square be used for checking the squareness of a workbench?: Yes, a steel square can be used for checking the squareness of a workbench. A steel square, also known as a framing square or carpenter's square, is a versatile tool that is commonly used in carpentry and woodworking. It consists of a long arm and a shorter arm that meet at a right angle, forming a 90-degree angle. To check the squareness of a workbench, you can place the long arm of the steel square against one edge of the workbench, ensuring it is flush with the surface. Then, you can extend the shorter arm along the adjacent edge, again making sure it is flush with the surface. By doing this, you can visually inspect if the two edges form a perfect 90-degree angle. If the steel square indicates that the workbench is not square, adjustments can be made to correct it. This can involve planing or sanding the edges to ensure they are straight and at a right angle to each other. Additionally, shims or wedges can be used to level and square the workbench. In conclusion, a steel square is a reliable tool for checking the squareness of a workbench. It allows for accurate measurements and ensures proper alignment of the workbench edges.

Q: How do you use a steel square to measure and mark 348.75-degree angles?: To use a steel square to measure and mark 348.75-degree angles, you would first need to understand that a traditional steel square typically contains a 90-degree angle and a 45-degree angle. Since 348.75 degrees exceeds these angles, you would require additional steps to achieve the desired measurement accurately. One approach to accomplish this is by utilizing the 45-degree angle on the steel square. Start by aligning the shorter side of the steel square along the line or edge where you want to measure and mark the angle. Next, rotate the square until the 45-degree angle aligns with the reference line or edge. This position will create a 90-degree angle with the reference line or edge. Now, you need to divide the remaining 258.75 degrees into smaller, measurable angles. With a protractor, measure and mark 180 degrees along the reference line or edge from the point where the steel square intersects it. Then, measure and mark an additional 78.75 degrees from the same point towards the opposite direction. At this point, you will have marked a total of 258.75 degrees. To complete the measurement of the 348.75-degree angle, align the steel square's longer side with the last mark you made at 78.75 degrees. This alignment will create an angle of 90 degrees with the reference line or edge. The gap between the longer side of the steel square and the reference line or edge will represent the remaining 90 degrees, resulting in a total angle of 348.75 degrees. By following these steps, you can effectively use a steel square to measure and mark a 348.75-degree angle with a reasonable level of accuracy.

Q: How do you use a steel square to determine angles for picture hanging?: To use a steel square for determining angles for picture hanging, you will need to follow a few simple steps. 1. Begin by choosing a reference point on the wall where you want to hang the picture. This could be the center point or any other specific location you desire. 2. Hold the steel square against the wall, ensuring that one of the square's edges aligns with the reference point. This edge will serve as the baseline for measuring your angles. 3. Once the square is properly aligned, take a level and place it on top of the square. This will ensure that the square and the baseline are perfectly horizontal. 4. With the level in place, you can now determine the desired angle for your picture. Gently tilt the square upward or downward until you achieve the desired angle on the level. Make sure to keep the square and level steady during this process. 5. Once you have determined the angle, mark the position on the wall where the baseline intersects with the square. This will be the spot where you should hang your picture. 6. Finally, using a measuring tape or ruler, measure the distance from the reference point to the marked spot on the wall. This measurement will help you hang your picture at the correct height. By following these steps, you can use a steel square to accurately determine the desired angle for picture hanging, ensuring that your pictures are perfectly aligned and level.

Q: How do you use a steel square to determine the length of a beam?: To determine the length of a beam using a steel square, you can place the square against one end of the beam and extend it along the entire length. Ensure that the edge of the square is aligned with the end of the beam. By reading the measurements on the square, you can determine the length of the beam accurately.

Q: Can a steel square be used for measuring and marking compound miter and bevel cuts?: Indeed, the utilization of a steel square is viable in the measurement and marking of compound miter and bevel cuts. Although its conventional purpose is to measure and mark right angles, it can also serve the purpose of measuring and marking angles for compound miter and bevel cuts. By relying on the measurements and angles obtained from the steel square, it becomes possible to accurately mark the cuts on the material prior to execution. Nevertheless, it should be acknowledged that for intricate and precise compound miter and bevel cuts, the employment of specialized tools such as a miter saw or a bevel gauge might be indispensable.

Q: How do you use a steel square to find the center of a board?: To find the center of a board using a steel square, the following steps can be followed: 1. Align the long side of the square with the edge of the board and place it at one end. 2. Ensure that the square is perfectly perpendicular to the edge of the board. 3. Mark a reference line on the board along the long side of the square. 4. Keep the square in place and position the opposite end against the reference line just marked. 5. Slide the square along the reference line until the short side intersects with the other edge of the board. 6. Mark another reference line on the board along the short side of the square. 7. Without moving the square, position the opposite end against the new reference line just marked. 8. Slide the square along the reference line until the long side intersects with the first edge of the board. 9. Mark a final reference line on the board along the long side of the square. 10. The center of the board is where the three reference lines intersect. By utilizing a steel square, precise measurements and straight lines can be ensured, making it an effective tool for locating the center of a board.

Q: How do you use a steel square for marking roof sheathing angles?: To achieve precise and accurate roof sheathing angles, the following steps should be followed when using a steel square: 1. Begin by determining the desired angle for the roof sheathing. This information can either be found in the building plans or calculated based on the roof pitch. 2. Align one edge of the steel square with the bottom edge of the roof sheathing material, placing it firmly on top. 3. Ensure that the steel square remains securely in place and adjust the angle until the desired roof pitch or angle is reached. Utilize the markings and measurements on the steel square to assist in determining the correct angle. 4. Once the desired angle is established, utilize a pencil or marker to trace along the edge of the steel square onto the roof sheathing material. This will generate a straight and accurate line representing the desired angle for cutting or installing the sheathing. 5. Repeat this process for each section of roof sheathing requiring an angle cut or installation. By employing a steel square for marking roof sheathing angles, the outcome will be precise and accurate cuts and installations. This method ensures the creation of tidy and professional-looking roof structures while guaranteeing a proper fit and alignment.

Q: How do you use a steel square to lay out a trapezoid shape?: To use a steel square to lay out a trapezoid shape, you will need to follow a few steps. First, determine the measurements of the trapezoid. This includes the lengths of the parallel sides and the height of the trapezoid. Next, mark the length of the parallel sides on the steel square. The steel square has two arms, a longer one called the blade and a shorter one called the tongue. The blade is typically marked in inches, while the tongue is marked in fractions of an inch. Align the steel square’s blade with the longer parallel side of the trapezoid and mark the measurement on the tongue that corresponds to the length of the side. Then, rotate the steel square so that the tongue aligns with the shorter parallel side of the trapezoid. Mark the measurement on the blade that corresponds to the length of this side. After marking the lengths of the parallel sides, move the steel square to the base of the trapezoid. Align the tongue with the base and mark the measurement on the blade that corresponds to the height of the trapezoid. Once you have marked all the necessary measurements, connect the marked points to form the outline of the trapezoid. You can use a straightedge or a ruler to ensure straight lines. Remember to double-check your measurements and make any necessary adjustments before cutting or constructing the trapezoid to ensure accuracy.

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