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 lay out a right angle?: In order to lay out a right angle using a steel square, a few steps must be followed. To begin, place the square on a flat surface, such as a workbench or table, ensuring that the long side of the square (also referred to as the blade) is aligned with the edge of the surface. Following that, use a ruler or measuring tape to measure the desired length for one side of the right angle. For instance, if you wish to create a right angle with sides measuring 6 inches, mark the 6-inch point on the surface using a pencil or marker. After marking the desired length, slide the square along the surface until the blade aligns with the mark made. The blade should be perpendicular to the edge of the surface, forming a 90-degree angle. To complete the layout of the right angle, utilize the blade of the square as a guide and draw a line along its edge. This line will be perpendicular to the edge of the surface, thereby creating a right angle. Ensure that the square is held firmly in place while drawing the line to maintain accuracy. Confirm the angle by double-checking it with a protractor or another reliable method to ensure that it measures 90 degrees. By adhering to these steps, a steel square can be effectively used to lay out a right angle with precision and accuracy.

Q: How do you determine if a steel square is square?: To determine the squareness of a steel square, one must carry out a straightforward test known as the "4-5-6 method." This method entails measuring the diagonals of the square and verifying their equality. Begin by placing the steel square on a level surface or workbench, ensuring its correct alignment by aligning one edge with a straight edge or wall to prevent any movement. Next, measure one side of the square and label it as "4 units." Then, measure another side perpendicular to the first and label it as "5 units." Proceed to measure the diagonal from the starting point of the 4-unit side to the endpoint of the 5-unit side. If the square is perfectly square, this diagonal should precisely measure 6 units. Repeat this procedure for the other diagonal by measuring from the starting point of the 5-unit side to the endpoint of the 4-unit side. Again, this diagonal should also measure exactly 6 units. If both diagonals measure precisely 6 units, then the steel square is square. However, even a slight disparity in the measurements indicates that the square is not perfectly square. In such instances, it is advisable to compare the square against a known accurate reference, such as another steel square or a reliable measuring tool, to confirm its squareness.

Q: Can a steel square be used for cabinet hardware installation?: Yes, a steel square can be used for cabinet hardware installation. A steel square, also known as a framing square or a carpenter's square, is a versatile tool that can be used for a variety of tasks in woodworking, including cabinet installation. It can be used to ensure accurate and square cuts, measure and mark lines, and check for level and plumb. When installing cabinet hardware, a steel square can be used to ensure that the hardware is properly aligned and spaced. Additionally, it can be used to measure and mark the location of holes for drilling. Overall, a steel square is a valuable tool that can assist in achieving precise and professional results in cabinet hardware installation.

Q: Can a steel square be used for marking angles?: Yes, a steel square can be used for marking angles.

Q: How do you use a steel square to lay out a perpendicular line?: To use a steel square to lay out a perpendicular line, you would align the long edge of the square against the reference line or surface. Then, make sure the short edge of the square is flush with the reference line or surface. Finally, using a pencil or scribe, mark a line along the perpendicular edge of the square, ensuring it is at a 90-degree angle to the reference line.

Q: What are some common techniques for using a steel square in guitar making?: Some common techniques for using a steel square in guitar making include measuring and marking straight lines, ensuring accurate angles for cutting and drilling, checking the alignment of components such as the neck and bridge, and setting up the right angle for installing frets. Additionally, a steel square can be used as a guide for sanding and shaping the guitar body or neck.

Q: How do you use a steel square to determine the width of a drawer front?: To use a steel square to determine the width of a drawer front, you will need to follow a few simple steps. First, place the steel square on the edge of the drawer front, making sure that one of its arms is resting against the front face of the drawer. Next, slide the square along the edge of the drawer front until the other arm of the square reaches the desired width measurement. This can be done by aligning the markings on the square with the desired width measurement on the edge of the drawer front. Once the square is properly aligned, you can use a pencil or a scribe to mark the width measurement directly onto the drawer front. Finally, use a straight edge or a saw to cut along the marked line, ensuring that the cut is straight and accurate. This will give you the desired width for your drawer front. Using a steel square in this manner allows for precise measurements and helps to ensure that your drawer front is cut to the correct width.

Q: Can a steel square be used for checking the alignment of a wall frame?: Yes, a steel square can be used for checking the alignment of a wall frame. A steel square, also known as a framing square, is a versatile tool commonly used in carpentry and construction. It consists of a long blade and a shorter tongue that meet at a right angle to form an L-shape. This tool is specifically designed to aid in measuring and marking right angles and checking the alignment of various building components. When it comes to checking the alignment of a wall frame, a steel square can be used in several ways. Firstly, it can be used to ensure that the corners of the frame are perfectly square. By placing the blade and tongue of the square against the edges of the frame, carpenters can verify if the corners are precisely 90 degrees. This is crucial for maintaining structural integrity and ensuring the frame is properly aligned. Additionally, a steel square can be used to check the straightness and alignment of the frame's studs or joists. By placing the square against the surface of the studs, carpenters can easily identify any deviations from the desired alignment. This allows for adjustments to be made before further construction progresses. Overall, a steel square is an invaluable tool for checking the alignment of a wall frame. Its ability to measure and mark right angles, verify square corners, and identify misalignments in studs or joists make it an essential tool in the construction industry.

Q: How do you use a steel square to mark a line perpendicular to a board edge at a specific distance?: To achieve a line perpendicular to a board edge with a specific distance using a steel square, the following instructions should be followed: 1. Position the steel square against the board's edge, aligning one arm of the square with the edge. 2. Adjust the square until the other arm forms a 90-degree angle with the edge, indicating perpendicularity. 3. Securely hold the square against the board once it is appropriately aligned. 4. Determine the desired distance from the edge where the line should be marked. For instance, if a 6-inch gap is desired, employ a tape measure or ruler to measure 6 inches from the edge. 5. Employ a pencil or marking tool to make a mark on the board along the arm of the square that corresponds to the measured distance. 6. Continuously mark along the entire length of the board, ensuring that each mark is both perpendicular to the edge and at the exact measured distance. 7. Once all marks are made, employ a ruler or straight edge to connect them, thus forming a straight line. By adhering to these steps, it is possible to accurately mark a line perpendicular to a board edge at a specific distance using a steel square.

Q: Can a steel square be used for concrete work?: Concrete work can indeed involve the use of a steel square. This versatile tool, known as a framing square or carpenter's square, is commonly utilized in carpentry and construction. While its primary purpose is to measure and mark right angles, it also possesses utility in various concrete-related tasks. These tasks include ensuring corner accuracy, verifying levelness and verticality, and determining distances. However, it is essential to recognize that a steel square may not have been specifically engineered for concrete work and thus may lack certain features, such as a non-slip surface or resistance to corrosion, that are pertinent to this particular task. Consequently, it is recommended to employ a steel square that is both in excellent condition and clean to mitigate the possibility of encountering any potential issues during concrete work.

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