High Quality GB Standard Steel Square Bar

High Quality GB Standard Steel Square Bar System 1

High Quality GB Standard Steel Square Bar

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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 choose the right size of steel square?: When choosing the right size of steel square, there are several factors to consider. Firstly, you need to determine the purpose for which you will be using the steel square. Different tasks require different sizes of squares. If you are working on smaller projects or intricate measurements, a smaller steel square may be more suitable. On the other hand, if you are working on larger construction projects or need to measure long distances, a larger square would be more appropriate. Secondly, you should consider the size of the materials you will be working with. If you are working with smaller pieces of wood or metal, a smaller square will be easier to handle and provide more accurate measurements. Conversely, larger materials may require a larger square to ensure accurate measurements and proper alignment. Additionally, it is important to consider the level of precision required for your project. If you need highly accurate measurements, a smaller steel square with finer graduations will be more suitable. However, if your project allows for slightly less precision, a larger square with larger graduations may be sufficient. Lastly, you should also take into account your own comfort and ease of use. If you have larger hands or prefer a more substantial tool, a larger steel square may be more comfortable for you to hold and manipulate. In summary, choosing the right size of steel square involves considering the purpose of your project, the size of the materials you will be working with, the level of precision required, and your own comfort and ease of use. By considering these factors, you can select the appropriate size of steel square that will best meet your needs.

Q: What are the different uses of a steel square in metalworking?: A steel square, commonly known as a framing square or a carpenter's square, is a versatile tool that finds various applications in metalworking. Here are some of the different uses of a steel square in metalworking: 1. Measuring and marking: One of the primary uses of a steel square is to measure and mark straight lines, angles, and right angles accurately. The square's long arm, known as the blade, can be used to measure the length or width of a metal piece, while the shorter arm, called the tongue, can be used to mark lines or angles on the metal surface. 2. Checking squareness: A steel square is an essential tool for checking the squareness or perpendicularity of metal components. By placing the square's tongue against a flat surface and aligning the blade with the edge of another metal piece, you can determine if the angle is precisely 90 degrees. This ensures that metal pieces fit together accurately during fabrication or assembly. 3. Layout and layout marking: Steel squares are commonly used for layout work in metalworking. They help in transferring measurements and dimensions from plans or templates onto the metal surface. By using the square's blade and tongue, you can precisely mark lines, angles, notches, and holes on the metal piece, ensuring accurate fabrication. 4. Cutting and sawing: Steel squares can be used as a guide for cutting or sawing metal pieces. By aligning the square's blade with the desired cut line and holding it firmly against the metal surface, you can guide the cutting tool (such as a hacksaw or circular saw) along the square, ensuring a straight and accurate cut. 5. Checking flatness: Steel squares can assist in checking the flatness of metal surfaces. By placing the square's blade or tongue against the metal surface and observing any gaps or inconsistencies, you can identify areas that need to be flattened or leveled. 6. Angle layout and marking: Steel squares have markings and graduations along their blade and tongue, allowing for precise angle layout and marking. By aligning the square with the desired angle measurement and marking the corresponding point on the metal, you can create accurate angled cuts or joints. Overall, a steel square is an indispensable tool in metalworking, aiding in measuring, marking, checking squareness, layout work, cutting, and ensuring accuracy and precision throughout the fabrication process.

Q: Can a steel square be used for checking the squareness of a drill press vise?: It is possible to utilize a steel square for the purpose of examining the squareness of a drill press vise. A steel square, a tool featuring a right angle, is often employed in the evaluation of joint and surface squareness in both woodworking and metalworking. In order to assess the squareness of a drill press vise, one can position the steel square against the vise and observe whether the vise's edges align precisely with those of the square. If the vise is square, the edges will make complete contact with the square, thereby indicating its perpendicularity to the drill press table. Conversely, if the edges fail to align or if a visible gap exists between the vise and the square, it signifies that the vise is not square and may necessitate adjustment.

Q: How do you use a steel square to ensure the correct angle for a finger joint?: For ensuring the correct angle of a finger joint using a steel square, follow these steps: 1. Get the materials: You will require a steel square, a pencil or marking tool, and the wooden pieces you will join together. 2. Mark the wood: Utilize the pencil or marking tool to create a reference line on each wooden piece where the finger joint will be positioned. This line will assist in aligning the steel square accurately. 3. Position the steel square: Place the steel square against the edge of one wooden piece, ensuring that the reference line aligns with one of the square's edges. Make sure the square is securely held and flush against the wood. 4. Mark the angle: With the steel square in position, employ the square's edge to mark the angle on the wood. This will assist in cutting the joint precisely. 5. Repeat for the other piece: After marking the angle on one wooden piece, repeat the process for the other piece by aligning the steel square with the reference line on the second piece and marking the angle. 6. Verify the angles: Before cutting the joint, verify that the angles marked on both wooden pieces match each other. This ensures a proper fit when joining the two pieces together. 7. Cut the joint: Carefully cut along the marked angles using a saw or suitable cutting tool to create the finger joint. Take your time and make accurate cuts to achieve a tight and precise joint. Remember to practice and be precise when using a steel square for finger joints. Take your time, measure accurately, and ensure to follow safety precautions when working with cutting tools.

Q: How do you use a steel square to find angles for compound miter cuts?: To use a steel square for finding angles for compound miter cuts, you need to follow a few steps. First, determine the desired angle for the miter cut and set the square accordingly. Then, place the square on the material and align it with the edge of the material. Next, mark the angle on the material using a pencil or a marking tool. Finally, use a miter saw or a suitable cutting tool to make the compound miter cut following the marked angle.

Q: How do you use a steel square for creating accurate corner lap joints?: To use a steel square for creating accurate corner lap joints, follow these steps: 1. Measure and mark the desired length of your lap joint on both pieces of wood that you intend to join. Ensure that the measurements are accurate and aligned. 2. Place the steel square on one of the marked pieces of wood, aligning one edge of the square with the edge of the wood. Hold the square firmly in place. 3. Use a pencil or a marking knife to trace along the other edge of the square, transferring the square's edge onto the wood. This will create a straight and accurate line. 4. Repeat the same process on the other piece of wood, ensuring that the marked lines align with each other when the pieces are placed together. 5. With the help of a saw or chisel, carefully cut along the marked lines on both pieces of wood, making sure to remove the excess material. 6. Test the accuracy of your joint by fitting the two pieces of wood together. They should fit snugly and create a tight corner joint. Using a steel square not only ensures accuracy but also provides a straight edge to guide your cutting tools. It is essential to maintain proper alignment and hold the square firmly in place during the marking process to achieve precise lap joints.

Q: Can a steel square be used for checking the squareness of shelving units?: Yes, a steel square can be used for checking the squareness of shelving units.

Q: Can a steel square be used as a level?: No, a steel square cannot be used as a level. While a steel square is a useful tool for measuring angles and checking the accuracy of right angles, it does not have the necessary features to determine whether a surface is level or not. A level typically consists of a long, straight body with a bubble vial filled with liquid and an air bubble. This bubble vial allows for precise measurement of both horizontal and vertical surfaces, ensuring that they are perfectly level. Therefore, if you need to determine if a surface is level, it is recommended to use a proper level tool rather than a steel square.

Q: How do you use a steel square to measure and mark 120-degree angles?: To accurately measure and mark 120-degree angles using a steel square, you can follow the following instructions: 1. Familiarize yourself with the markings on the steel square. Typically, a steel square consists of two arms that meet at a right angle, creating an "L" shape. One arm, known as the blade, is longer than the other arm, called the tongue. Each arm is divided into sections, usually in inches on one side and centimeters on the other. 2. Identify the 90-degree angle on the steel square. This is where the blade and tongue intersect, serving as a reference point for measuring other angles. 3. Position the steel square on the material or surface you want to mark. Ensure that the blade is aligned with one side of the material, forming a perpendicular angle. 4. Rotate the steel square until the tongue aligns with the opposite side of the material. This creates a 90-degree angle between the blade and tongue. 5. To measure and mark a 120-degree angle, you need to further rotate the steel square. Begin by rotating the square in a clockwise direction while maintaining alignment between the blade and the first side of the material. 6. Continue rotating the steel square until the tongue lines up with a marking on the blade that indicates 30 degrees. This will result in a 120-degree angle between the blade and tongue. 7. Once you have correctly aligned the steel square to measure a 120-degree angle, use a pencil or pen to mark the desired point on the material. By following these steps meticulously, you can effectively utilize a steel square to accurately measure and mark 120-degree angles. Remember to recheck your measurements and ensure that the square remains securely in place during the marking process to achieve precise outcomes.

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.

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