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: Can a steel square be used for checking the flatness of a surface?: No, a steel square cannot be used for checking the flatness of a surface. A steel square, also known as a framing square or carpenter's square, is primarily used for measuring right angles and ensuring squareness in woodworking and construction tasks. It consists of a metal blade with a handle at a right angle to it, forming an L-shape. To check the flatness of a surface, a different tool is required. One commonly used tool for this purpose is a straightedge. A straightedge is a long, flat, and rigid object that can be placed on a surface to determine if it is flat or not. It can be made of various materials such as metal, wood, or plastic. When checking the flatness of a surface, the straightedge is placed in multiple positions across the surface, and any gaps or inconsistencies between the straightedge and the surface are observed. If the straightedge rocks or there are visible gaps, it indicates that the surface is not flat. Therefore, while a steel square is a useful tool for many tasks, it is not suitable for checking the flatness of a surface. A straightedge is the appropriate tool to use for this purpose.

Q: How do you use a steel square to measure and mark 281.25-degree angles?: To use a steel square to measure and mark a 281.25-degree angle, you would first align one edge of the square with a reference line. Then, locate the degree markings on the square and find the 281.25-degree mark. Place a mark or draw a line at that point on your work surface to indicate the desired angle.

Q: How do you use a steel square to lay out a dovetail joint?: In order to lay out a dovetail joint using a steel square, you will require the following tools: a steel square, a pencil or marking knife, and either a dovetail template or a set of dovetail angle guides. Begin by ensuring that your steel square is clean and free from any dirt or debris that may impact your measurements. Then, position the steel square against the edge of the workpiece that will form one side of the dovetail joint. Make sure that the inside edge of the square's blade aligns precisely with the edge of the workpiece. Next, employ a pencil or marking knife to mark the desired width of the dovetail pins or tails on the end grain of the workpiece. The width can be determined based on the size of your stock and personal preference. Generally, a 1:8 or 1:6 angle is utilized for dovetail joints, although this may vary based on the project. Once the width has been marked, utilize the steel square to mark the desired angle of the dovetail joint on the face of the workpiece. Place the blade of the square against the face of the workpiece, aligning it with the mark made for the width of the dovetail, and draw a line along the blade to indicate the angle. Repeat these steps for the other side of the dovetail joint, ensuring accurate and consistent positioning of the steel square. This will guarantee proper alignment and a seamless fit between both sides of the joint. If you possess a dovetail template or angle guides, they can be employed to guide the steel square and simplify the process. Simply position the template or angle guide against the edge of the workpiece and use the steel square to mark the width and angle accordingly. Always remember to double-check your measurements and marks prior to cutting the dovetail joint. Accuracy is of utmost importance for a tight and sturdy joint.

Q: How do you use a steel square to determine angles?: To use a steel square to determine angles, you can align one edge of the square with the reference line or object. Then, by adjusting the square along the reference line, you can identify the angle by reading the degree markings on the square.

Q: How do you use a steel square to determine the angle of a compound spindle sanding cut?: To use a steel square to determine the angle of a compound spindle sanding cut, you would first position the steel square against the spindle at the desired angle. Then, you can measure the angle formed between the square and the spindle using the markings on the square. This measurement will help you determine the exact angle for your compound spindle sanding cut.

Q: How do you use a steel square to determine the angle of a compound cove cut?: To determine the angle of a compound cove cut using a steel square, adhere to the following instructions: 1. Prioritize the cleanliness and good condition of your steel square, ensuring that all necessary markings and measurements are easily visible. 2. Firmly position the steel square against the desired piece of wood or material for the compound cove cut. Align the longer side of the square with the bottom edge of the material. 3. Adjust the square's placement so that the shorter side stands perpendicular to the longer side and aligns with the material's side edge. 4. Once the square is appropriately positioned, utilize a pencil or marking tool to trace along the inside edge of the longer side, creating a straight line on the material. 5. Proceed to rotate the square along the material's bottom edge, maintaining alignment with the side edge. This rotation will form a second straight line on the material, intersecting the initial line you drew. 6. The point where these two lines intersect denotes the compound cove cut angle. To measure this angle accurately, employ a protractor or the angle measuring function of your steel square. 7. Align the protractor or angle measuring feature with the two lines, ensuring it rests precisely on the intersection point. Consult the protractor or steel square for the angle measurement, which will provide the precise angle of the compound cove cut. By adhering to these steps and utilizing a steel square correctly, you can accurately determine the angle for a compound cove cut on your material. Remember to double-check your measurements and ensure proper alignment of the square to achieve precise results.

Q: Can a steel square be used for electrical work?: No, a steel square cannot be used for electrical work. Electrical work requires specialized tools and equipment that are designed for safety and efficiency in handling electrical circuits and components. Steel squares are typically used in carpentry and construction for measuring and marking angles and straight lines. They do not have the necessary features or insulation to protect against electrical shocks or to accurately measure electrical parameters. It is important to use the correct tools and equipment specifically designed for electrical work to ensure safety and proper functionality.

Q: How do you use a steel square to determine the angle of a compound miter and bevel cut?: To use a steel square to determine the angle of a compound miter and bevel cut, you need to align the square's blade with the edge of the material you are working with. Then, you can adjust the square's protractor to match the desired angle for the cut. By accurately measuring and aligning the square with the material, you can determine the correct angle for the compound miter and bevel cut.

Q: Can a steel square be used for setting up a planer?: Yes, a steel square can be used for setting up a planer. A steel square is a versatile tool commonly used in woodworking and carpentry to ensure accuracy and precision in various tasks, including the setup of machinery such as a planer. When setting up a planer, a steel square can be used to check the alignment of the tables, fences, and blades, ensuring that they are all perfectly square and parallel. This is important for achieving smooth and accurate planing results. Additionally, a steel square can also be used to check the squareness of the workpiece before planing, helping to ensure that it is properly aligned and will be planed evenly. Overall, a steel square is a valuable tool that can definitely be used for setting up a planer and ensuring its optimal performance.

Q: Can a steel square be used for shelving installation?: Yes, a steel square can be used for shelving installation. A steel square, also known as a framing square or carpenter's square, is a versatile tool that is commonly used in construction and woodworking projects. It is typically made of steel and has two arms that meet at a 90-degree angle, forming a right angle. This right angle can be used to ensure that shelving units are installed level and square. The steel square can be used to mark and measure the placement of brackets or supports, ensuring that they are properly aligned and evenly spaced. Additionally, the straight edge of the steel square can be used to check for straightness and alignment of the shelves themselves. Overall, a steel square is a reliable tool that can assist with the accurate and precise installation of shelving units.

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