Squre Bar
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- China Main Port
- Payment Terms:
- TT OR LC
- Min Order Qty:
- -
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- -
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Product Description:
We offer Square Steel Bar with grade Q195 / Q235
Specifications of Square Steel Bar:
-Standard: GB,
-Grade: Q195/Q235 or equivalent.
Chemical Composition:
-Chemical Composition. Q195
Standard | Grade | Element (%) | ||||
GB | Q195 | C | Mn | S | P | Si |
0.06~0.12 | 0.25~0.50 | ≤0.050 | ≤0.045 | ≤0.30 |
-Chemical Composition. Q235
Standard | Grade | Element (%) | ||||
GB | Q235B | C | Mn | S | P | Si |
0.12~0.20 | 0.30~0.70 | ≤0.045 | ≤0.045 | ≤0.30 |
Measures and Tolerances of Square Steel Bar:
(The section of Square Steel Bar)
-The length of a side and the theoretical weight of Square Steel.
Length of a side(a, mm) | Theoretical weight(kg/m) | Length of a side(a, mm) | Theoretical weight(kg/m) |
6 | 0.283 | 32 | 8.04 |
7 | 0.385 | *33 | 8.55 |
8 | 0.502 | 34 | 9.07 |
9 | 0.636 | *35 | 9.62 |
10 | 0.785 | 36 | 10.17 |
11 | 0.950 | 38 | 11.24 |
12 | 1.13 | 40 | 12.56 |
13 | 1.33 | 42 | 13.85 |
14 | 1.54 | 45 | 15.90 |
15 | 1.77 | 48 | 18.09 |
16 | 2.01 | 50 | 19.63 |
17 | 2.27 | 53 | 22.05 |
18 | 2.54 | *55 | 23.6 |
19 | 2.82 | 56 | 24.61 |
20 | 3.14 | *58 | 26.4 |
21 | 3.46 | 60 | 28.26 |
22 | 3.80 | 63 | 31.16 |
*23 | 4.15 | *65 | 33.17 |
24 | 4.52 | *68 | 36.3 |
25 | 4.91 | 79 | 38.49 |
26 | 5.30 | 75 | 44.16 |
*27 | 5.72 | 80 | 50.24 |
28 | 6.15 | 85 | 56.72 |
*29 | 6.60 | 90 | 63.59 |
30 | 7.06 | 95 | 70.85 |
*31 | 7.54 | 100 | 78.50 |
Notes:
1, The theoretical weights in the list, base on the density of 7.85 g/cm3.
2, The numbers with *mean that they are not regulars or we don’t offer them.
-The allowed tolerance of Square Steel:
Length of a side(mm) | Allowed Tolerance | ||
Group1 | Group2 | Group3 | |
5.5~7 | ±0.20 | ±0.30 | ±0.40 |
7~20 | ±0.25 | ±0.35 | ±0.40 |
20~30 | ±0.30 | ±0.40 | ±0.50 |
30~50 | ±0.40 | ±0.50 | ±0.60 |
60~80 | ±0.60 | ±0.70 | ±0.80 |
80~110 | ±0.90 | ±1.0 | ±1.1 |
110~150 | ±1.2 | ±1.3 | ±1.1 |
150~190 | ―― | ―― | ±2.0 |
190~250 | ―― | ―― | ±2.5 |
Usage/Applications of Steel Square Bar:
-The Square Steel is normally used as structure steel.
-Row material for other structure steel like steel angles, channels, I-beams, H-beams, etc…
Packaging & Delivery of Steel Square Bar:
-Packing Detail: The products can be packed in bundles by steel wires.
-Marks:
1, Tag marks: the tag marks will be tied up to each bundle of the products. The information is usually including supplier’s logo and name, product name, made in China, products’ specifications, the painted color and other information requested by customers.
2, Color marks: we will paint both ends of the bundles of these products to make sure that they are more evident. It’s will be more convenient for the customers to distinguish them at the destination port.
-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 usually are transported to the nearest port from the production place.
Payment:
-Invoicing on theoretical weight or actual weight a s customer’s request.
-FOB, CFR or CIF.
-Regular terms of payment:
1, 30% payment in advance, the remaining balance (70% payment) against the copy of B/L.
2, 30% payment in advance, the remaining balance (70% L/C) against the copy of B/L.
3, Negotiable.
- Q:
- In order to measure the height of a wall using a steel square, you will require a few extra tools like a measuring tape, a pencil, and a ladder if the wall is tall. Start by securely setting up the ladder near the wall so that you can easily reach its top. Afterward, position yourself on the ladder and extend one arm to hold the steel square against the wall. Make sure that the long side of the square is vertical and firmly touches the wall. Then, utilize the measuring tape to measure the length of the steel square from bottom to top. This measurement indicates the square's height. Once you have obtained the height measurement, mark it on the wall with a pencil at the square's bottom. Repeat this procedure for any additional measurements required for the wall. In the end, descend the ladder and employ the measuring tape to measure the distance from the marked point on the wall to the floor. This measurement will provide you with the wall's height. Always prioritize safety precautions while using a ladder and ensure its stability. Moreover, double-check your measurements for accuracy.
- Q:
- Some common measurements that can be taken with a steel square in sheet metal work include determining angles, checking for squareness, measuring the thickness of sheet metal, and marking straight and parallel lines. Firstly, a steel square can be used to measure and mark angles. By aligning the square's edge with the desired angle, one can accurately mark the sheet metal for cutting or bending. The square's markings, such as those for 45-degree or 90-degree angles, assist in achieving precise measurements. Secondly, a steel square is essential for checking squareness. It ensures that corners or edges of the sheet metal are perfectly perpendicular to each other. By aligning the square's edge against a corner and observing if the other edge aligns perfectly, one can determine if the sheet metal is square or if adjustments need to be made. Additionally, a steel square can be used to measure the thickness of sheet metal. By placing the square against the edge of the metal, one can read the measurement scale on the square to determine the thickness. This information is crucial for selecting appropriate tools, such as shears or punches, for cutting or shaping the sheet metal. Furthermore, a steel square is valuable for marking straight and parallel lines on sheet metal. By using the square's edge as a guide, one can draw precise lines that are parallel to an existing edge or at a specific distance from it. This is particularly important in sheet metal fabrication, where accuracy is crucial for the final product. In summary, a steel square is a versatile tool in sheet metal work, allowing for measurements of angles, checking squareness, measuring thickness, and marking straight and parallel lines. Its accuracy and reliability make it an essential instrument in achieving precise and high-quality sheet metal projects.
- Q:
- To achieve accurate markings and cuts for half-blind dovetail joints, the following steps should be followed when using a steel square: 1. Begin by selecting a steel square with a precise 90-degree angle. This tool will assist in ensuring accurate markings and cuts for the half-blind dovetail joints. 2. Start by marking the thickness of the dovetail joint on the end grain of the tail board and the face of the pin board. This can be accomplished by placing the steel square against the end grain of the tail board and drawing a line along the interior of the square. Repeat this process on the face of the pin board. 3. Next, the depth of the dovetail joint needs to be marked on both the tail and pin boards. Hold the steel square against the end grain of the tail board and align the blade of the square with the marked thickness line. Draw a line along the blade of the square to indicate the depth. Repeat this step on the pin board. 4. Once the thickness and depth lines are marked, position the steel square against the face of the tail board. Align the blade of the square with the marked thickness line on the pin board. This will establish a reference line for the shoulder of the dovetail joint. 5. Utilize a marking knife or pencil to trace along the blade of the steel square, marking the shoulder line on the face of the tail board. Repeat this step on the face of the pin board. 6. The angled sides of the dovetail joint can now be marked. Place the steel square against the face of the tail board, aligning the blade with the shoulder line. Draw a line along the blade to create the angle line for the dovetail. Repeat this process on the pin board. 7. With the lines marked, proceed to cut the half-blind dovetail joints using a dovetail saw or a similar cutting tool. Carefully follow the marked lines to ensure accurate and precise cuts. By utilizing a steel square for marking and cutting half-blind dovetail joints, well-fitted joints can be achieved, contributing to the strength and aesthetics of woodworking projects. Remember to measure accurately and make precise cuts for optimal results.
- Q:
- Yes, a steel square can be used for cabinet-making projects. A steel square, also known as a framing square or a carpenter's square, is a versatile tool commonly used in woodworking. It has a 90-degree angle and is often used to check and mark right angles, measure and mark straight lines, and ensure accuracy during the construction of cabinets or other woodworking projects. The steel square is durable, precise, and can be a reliable tool for cabinet-making tasks such as measuring and marking lumber, checking the squareness of joints, or verifying the alignment of cabinet components. However, it is important to note that there are also specialized squares specifically designed for cabinet-making, such as cabinetmaker's squares or combination squares, which may offer additional features or benefits specific to cabinet-making tasks.
- Q:
- In order to mark and cut tenons using a steel square, follow these steps: 1. Begin by ensuring that the steel square is devoid of any rust or debris, guaranteeing precise measurements and markings. 2. Determine the desired width of the tenon on the workpiece. For example, if a 1-inch wide tenon is needed, align the edge of the steel square with the end of the workpiece and mark a line at the 1-inch mark on the square. 3. Next, establish the depth of the tenon. For instance, if a 2-inch deep tenon is required, align the shorter part of the "L" shape (known as the square's tongue) with the workpiece's edge and mark a line at the 2-inch mark on the square. 4. Utilize a straight edge, such as a ruler or level, to connect the lines marked in steps 2 and 3. This will provide a clear visual representation of the tenon's size and location on the workpiece. 5. Once the tenon is marked, carefully use a saw to cut along the lines made. Take your time and aim for a clean and precise cut. 6. After cutting the tenon, it may be necessary to refine the edges and make any adjustments for a perfect fit using a chisel or rasp. Remember, when using a steel square for marking and cutting tenons, practice and precision are essential. Measure accurately, make clean cuts, and take your time to guarantee a professional outcome.
- Q:
- There are several techniques for using a steel square in metalworking fabrication. Firstly, one of the most common uses of a steel square is for measuring and marking right angles. This is done by holding the long side, also known as the blade, against one edge of the metal and then sliding the square along the edge while marking the desired angle on the metal. This ensures that the resulting angle is perfectly square. Another technique involves using the steel square as a guide for cutting metal. By clamping the square to the metal sheet and running a cutting tool, such as a grinder or a saw, along the edge of the square, precise and straight cuts can be achieved. This is particularly useful for creating clean edges or when making precise cuts for joints or corners. Furthermore, a steel square can be utilized to check the flatness or straightness of a metal surface. By placing the square against the metal and observing the gap between the blade and the surface, any imperfections or unevenness can be identified. This is especially important when working on projects that require precise measurements or when ensuring that components fit together accurately. Additionally, a steel square can be used as a guide for drilling holes in metal. By positioning the square against the metal surface and aligning the desired drill location with the appropriate markings on the square, accurate and consistent hole placement can be achieved. Lastly, a steel square can also be employed as a layout tool. By using the square to mark lines or angles on the metal, fabricators can ensure that their workpieces are properly aligned and symmetrical. This is particularly useful when working on complex or intricate designs that require precise measurements and angles. In conclusion, the various techniques for using a steel square in metalworking fabrication include measuring and marking right angles, guiding cutting tools, checking flatness or straightness, guiding drilling operations, and serving as a layout tool. These techniques allow fabricators to achieve accurate and precise results in their metalworking projects.
- Q:
- Yes, a steel square can be used for setting up a miter saw. A steel square is a versatile tool that can be used for measuring and checking angles, making it suitable for aligning the blade of a miter saw to ensure accurate and precise cuts.
- Q:
- Yes, a steel square can be used for measuring the width of a window frame. A steel square, also known as a framing square, is a versatile tool commonly used by carpenters and woodworkers for various measuring and marking tasks. It consists of a long blade and a shorter tongue, forming a right angle. The blade of the steel square can be aligned with the inner sides of the window frame, while the tongue can be extended to measure the width accurately. The steel square is durable and provides a straight edge for precise measurements, making it suitable for measuring the width of a window frame.
- Q:
- Yes, a steel square can be used for making parallel lines. A steel square is a versatile tool that consists of a straight edge and a right angle. By aligning the straight edge of the steel square with a reference line, it can be used to draw another line parallel to the reference line. The right angle of the steel square ensures that the new line is perpendicular to the reference line, thereby creating parallel lines. This makes the steel square a useful tool for various applications such as carpentry, construction, and drafting.
- Q:
- Concrete formwork layout can be accomplished with the use of a steel square. The steel square, a versatile tool commonly employed in carpentry and construction work, consists of a long, straight edge and a shorter, perpendicular edge that together form an L-shape. Its primary function is to measure and mark right angles, making it suitable for laying out concrete formwork. When establishing concrete formwork, it is crucial to guarantee the corners are precisely square in order to ensure proper alignment and stability of the structure. To achieve this, a steel square can be utilized to accurately measure and mark right angles, ensuring the corners of the formwork are properly aligned. To employ a steel square for concrete formwork layout, adhere to these steps: 1. Determine and mark the desired dimensions for the formwork on the designated ground or surface. 2. Position the steel square on the marked points, aligning one edge with the reference line or surface. 3. Verify that the perpendicular edge of the steel square is perfectly square with the reference line or surface, making adjustments as necessary. 4. Utilize a marking tool to trace along the edge of the steel square, transferring the right angle mark onto the surface or ground. 5. Repeat this procedure for all corners and edges of the formwork, ensuring that they are all square. By utilizing a steel square for concrete formwork layout, one can ensure that the formwork is accurately established with precisely square corners. This will result in a more stable and structurally sound concrete structure.
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