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: Can a steel square be used for chair rail installation?: Yes, a steel square can be used for chair rail installation. A steel square is a versatile tool commonly used in carpentry and woodworking projects. It can be used to measure and mark angles, lines, and lengths accurately. When installing a chair rail, the steel square can be used to ensure precise cuts and angles for the chair rail pieces. It can also be helpful in determining the appropriate height and positioning of the chair rail on the wall. So, while there are other tools available for chair rail installation, a steel square can definitely be used effectively for this purpose.

Q: Can a steel square be used for checking the plumbness of a support post?: No, a steel square is not typically used for checking the plumbness of a support post. A steel square, also known as a framing square, is primarily used in carpentry and woodworking for measuring angles and making square cuts. It consists of a long arm and a shorter arm that meet at a right angle, forming an "L" shape. To check the plumbness of a support post, a level is the more appropriate tool. A level is specifically designed for ensuring vertical alignment and determining if an object is perfectly plumb. It typically consists of a long, straight body with a bubble vial filled with liquid and an air bubble. When the bubble is centered between the two lines in the vial, it indicates that the object is perfectly vertical or plumb. Using a steel square to check the plumbness of a support post may not provide accurate results, as it is not specifically designed for that purpose. It is always recommended to use the appropriate tools for the task at hand to ensure accurate measurements and results.

Q: How do you use a steel square to determine the length of a miter cut?: To use a steel square to determine the length of a miter cut, you need to follow these steps: 1. Place the steel square against the material you want to cut at a 90-degree angle. 2. Align one edge of the square with the edge of the material. 3. Make sure the other edge of the square is perpendicular to the first edge and sticks out over the material. 4. Measure the desired length for the miter cut along the extended edge of the square. 5. Mark the measurement on the material. 6. Use a straight edge or a pencil to connect the mark with the edge of the material. 7. Cut along the marked line to achieve the desired miter cut length.

Q: What are some common measurements that can be taken with a steel square in welding?: Welding often involves utilizing a steel square for several essential measurements: 1. Ensuring a 90-degree angle: To guarantee a seamless weld, welders frequently employ a steel square to confirm that welded joints are perfectly aligned at a 90-degree angle. This step is critical for maintaining the structural integrity and proper fit-up of the welded components. 2. Verifying alignment: The alignment of different parts, such as two pipes before welding them together, can be assessed using a steel square. This technique aids in achieving precise and accurate welds. 3. Checking for squareness: The squareness of a corner or joint can be evaluated with the assistance of a steel square. This aspect is crucial for upholding the stability and strength of the welded structure. 4. Measuring dimensions: Steel squares commonly feature markings indicating inch and metric measurements on their edges, allowing welders to obtain precise measurements. These measurements assist in determining the length, height, or width of the weld joint, ensuring meticulous fabrication and welding. 5. Verifying flatness: A steel square is a valuable tool for checking the flatness or levelness of a surface. This step is vital in welding to ensure proper alignment of the welded parts and prevent any distortion in the final product. In conclusion, a steel square is an indispensable and versatile tool in welding. It enables welders to accurately measure angles, dimensions, alignment, and flatness, thereby facilitating the creation of high-quality welds.

Q: Can a steel square be used for checking the alignment of framing studs?: Yes, a steel square can be used for checking the alignment of framing studs. A steel square, also known as a framing square or carpenter's square, is a versatile tool that is commonly used in carpentry and construction. It has a wide range of applications, one of which is checking the alignment of framing studs. When framing a wall, it is essential to ensure that the studs are properly aligned, plumb, and level. This is crucial for the overall structural integrity of the wall. A steel square can be used to check the alignment of the studs by placing it against the studs and verifying if they are perpendicular to the top and bottom plates of the wall. The long arm of the steel square can be used to check if the studs are plumb, meaning they are perfectly vertical. By placing the long arm against the stud, the carpenter can ensure that it is straight and not leaning in any direction. Similarly, the short arm of the steel square can be used to check if the studs are level, ensuring that they are straight horizontally. The steel square provides a reliable and accurate means of checking the alignment of framing studs. Its sturdy construction and precise measurements make it an ideal tool for this purpose. However, it is important to note that while a steel square can be used for initial alignment checks, more advanced tools such as a laser level or plumb bob may be required for achieving absolute accuracy in larger construction projects. In conclusion, a steel square is a valuable tool that can be effectively used for checking the alignment of framing studs. Its versatility, durability, and accuracy make it a trusted choice for carpenters and construction professionals.

Q: What are some common measurements that can be taken with a steel square in framing?: A versatile tool used in carpentry and framing is the steel square, also referred to as a framing square or carpenter's square. Its purpose is to guarantee accuracy and precision when cutting and assembling different materials. The steel square has various applications in framing, as outlined below: 1. Checking Right Angles: One of the steel square's most common uses is to verify and indicate right angles when constructing walls, floors, and roofs. This ensures that corners are properly aligned and square. 2. Rafters and Roof Pitch: Carpenters can determine the length and angles required to cut rafters for a roof by utilizing the rafter tables on the steel square. Additionally, the square aids in determining the slope or steepness of the roof, known as the roof pitch. 3. Measuring Angles: The steel square allows for measuring and marking angles other than 90 degrees. By positioning the square on the material, such as a board or sheet of plywood, precise angles can be marked before cutting. 4. Board Layout: When preparing boards for cutting or joining, the steel square is useful for marking measurements and creating straight lines. It enables the scribing of lines to cut boards to the desired length and marking notches and other precise measurements. 5. Level and Plumb Determination: The steel square serves as a level or plumb line, aiding in determining if a surface or object is perfectly level or plumb. This is particularly valuable when installing windows, doors, or other elements that require exact alignment. 6. Measurement and Transfer: The steel square includes a ruler, or tongue, along one edge, facilitating accurate distance measurement. These measurements can then be transferred to the material being worked on, ensuring precise cuts and placements. In conclusion, the steel square is an indispensable tool in framing, allowing carpenters to accurately measure and mark various angles, lengths, and alignments. By utilizing this tool correctly, it guarantees the structural integrity and aesthetic appeal of the framing work.

Q: What are some common measurements that can be taken with a steel square?: In carpentry and woodworking, a steel square is an indispensable and adaptable tool. It comprises a lengthy blade and a shorter tongue, which together form a perfect 90-degree angle. The following are several common applications of a steel square: 1. Ensuring right angles: The paramount purpose of a steel square is to guarantee the precision of right angles. It can be employed to verify if two surfaces are perfectly perpendicular to each other, such as when constructing frames, cabinets, or bookshelves. 2. Establishing square lumber: When dealing with rough lumber, a steel square can be used to designate and cut it into precise right angles. By aligning the blade against one edge and the tongue against another, the square can provide a guiding template for making accurate cuts. 3. Assessing plumb: A steel square aids in determining whether an object is perfectly vertical or plumb. By placing the square against a surface and examining for gaps between the blade and the object, one can ensure proper alignment. 4. Measuring angles: While primarily utilized for right angles, a steel square can also measure other angles. By aligning the blade or tongue with the desired angle, one can accurately transfer or replicate it. 5. Marking parallel lines: A steel square facilitates marking parallel lines by sliding it along the edge of a board while marking the desired distance at various points. This ensures that the lines are equidistant and parallel to one another. 6. Establishing bevels: A steel square can be utilized to establish bevel angles on tools like saws or planes. By adjusting the blade or tongue to the desired angle, it serves as a reliable guide for achieving consistent and precise bevel cuts. 7. Checking for flatness: A steel square is valuable for assessing the flatness of a surface. By placing the square against the surface and inspecting for gaps or irregularities, one can ensure that the surface is even and level. In conclusion, a steel square is an adaptable tool that fulfills various measurement and alignment needs in carpentry and woodworking. Its core functions include verifying right angles, establishing square lumber, assessing plumb, measuring angles, marking parallel lines, establishing bevels, and checking for flatness.

Q: Can a steel square be used for checking the plumbness of poles?: No, a steel square cannot be used for checking the plumbness of poles. A steel square is primarily used for measuring right angles and making straight cuts, whereas checking plumbness requires a level or plumb bob to determine vertical alignment accurately.

Q: Can a steel square be used for marking out mortises?: Yes, a steel square can be used for marking out mortises. A steel square is a versatile and commonly used tool in woodworking, and it can be used for a variety of layout and marking tasks. When marking out mortises, a steel square can be used to ensure straight and accurate lines by aligning one edge of the square with the edge of the workpiece, and then using the other edge to mark the desired location of the mortise. The square can also be used to check the perpendicularity and squareness of the mortise, ensuring that it is accurately aligned with the adjacent pieces of wood. Overall, a steel square is a reliable and effective tool for marking out mortises, providing precision and accuracy in woodworking projects.

Q: How does a steel square assist in marking out mortise and tenon joints?: A steel square assists in marking out mortise and tenon joints by providing a straight edge and right angles for accurate measurements and marking. It helps ensure that the mortise and tenon components are properly aligned and fit together precisely, resulting in a strong and sturdy joint.

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