Hot rolled square steel; square steel bar
- Ref Price:
-
- Loading Port:
- Tianjin
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 50 m.t.
- Supply Capability:
- 10000 m.t./month
OKorder Service Pledge
OKorder Financial Service
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There are two types of Square Bar, one is hot rolled square bar and other one is cold drawn square bar. Our principal products is hot rolled square bar. We dedicate to products with material Q195 and Q235. We offer products with high quality and low price.
Specifications of Hot-rolled Square Steel Bar:
-Standard: GB,
-Grade: Q195/Q235 or equivalent.
-Chemical Composition:
Standard | Grade | Element (%) | ||||
C | Mn | S | P | Si | ||
GB | Q195 | 0.06~0.12 | 0.25~0.50 | ≤0.050 | ≤0.045 | ≤0.30 |
GB | Q235B | 0.12~0.20 | 0.30~0.70 | ≤0.045 | ≤0.045 | ≤0.30 |
-Mechanical Properties:
Mechanical Properties | Grade | Steel diameter（mm） | |||
≤16 | 16~40 | 40~60 | 60~100 | ||
Yield Point Δs/MPa | Q195 | ≥195 | ≥185 | - | - |
Q235 | 235 | 225 | 215 | 205 | |
Tensile Strength | Q195 | 315~390 | |||
Q235 | 375~500 | ||||
Elongation δ5% | Q195 | ≥33 | ≥32 | - | - |
Q235 | 26 | 25 | 24 | 23 | |
Measures of Hot-rolled Square Steel Bar (Big measures):
(Section of Hot-rolled Square Steel Bar)
-Length of a side and Theoretical weight of Square Bar (Big measures).
Length of a side(mm) | Theoretical weight(kg/m) | Length of a side(mm) | Theoretical weight(kg/m) |
53 | 22.05 | 80 | 50.24 |
56 | 24.61 | 85 | 56.72 |
60 | 28.26 | 90 | 63.59 |
63 | 31.16 | 95 | 70.85 |
70 | 38.49 | 100 | 78.50 |
75 | 44.16 |
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: a(length of a side) * a * 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 |
> 25 | 3~9 | |
Steel of high quality | All measure | 2~6 |
Tool steel >75 | 1~6 |
Usage/Applications of Hot-rolled Square Steel 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…
-Row material for steel pipes.
Packaging & Delivery of Hot-rolled Square Steel Bar:
-Packing Detail:
1, The products can be packed in bundles by steel wires.
2, The weight of each bundle no exceed normally 3 tons.
-Marks: We make tag marks and color marks for each bundle. The tag marks with white background and red company log will be tied up to each bundle. The information is usually including basic information of company and products like product name, specification, etc...and other information required by customers. As for color marks, we will paint both ends of each bundles to make sure that it will be more convenient for customers to distinguish theme from other products.
-Delivery Detail: 30~45 working days after receive buyer’s T.T. or L/C.
Payment:
-Invoicing on theoretical weight or actual weight as 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.
-The payment terms will be written in contraction detailedly.
- Q:Can a steel square be used for checking the squareness of bookshelves?
- No, a steel square is not typically used for checking the squareness of bookshelves. Instead, tools like a carpenter's square or a framing square are more commonly used for this purpose.
- Q:What are the different types of steel squares available?
- There exists a variety of steel squares, each crafted for specific purposes and applications. Among the most frequent types are: 1. The Try Square: A straightforward, L-shaped square, usually featuring a 90-degree angle, employed for marking and verifying right angles. 2. The Combination Square: This square type possesses a ruler blade affixed to the handle, enabling measurements and marking of angles other than 90 degrees. It often includes a level and a scribe, enhancing its versatility. 3. The Framing Square: Also known as a carpenter's square, this square possesses a lengthier blade, typically measuring 24 inches or more, and is utilized in framing and construction work. It showcases both a 90-degree angle and a 45-degree angle, facilitating accurate marking and cutting of rafters and stairs. 4. The Speed Square: A compact and adaptable square commonly employed in carpentry and roofing. Its triangular shape incorporates a lip on one side, which can be used as a guide for swift and precise measurements. 5. The Engineer's Square: This square is meticulously designed for engineering and machining applications, providing heightened precision. It is often crafted from hardened steel and features a 90-degree angle, a long blade, and a shorter, thicker handle for enhanced stability. 6. The Workshop Square: These squares are larger in size and typically employed in metalworking and fabrication. They are available in various dimensions and possess thicker blades to ensure increased rigidity and accuracy. 7. The Rafter Square: Also referred to as a roofing square, this square is specifically created for measuring and marking angles utilized in roof construction. It includes markings for common roof pitches and aids in determining the correct angle for cutting rafters. These examples merely scratch the surface of the diverse range of steel squares available. Each square fulfills a distinct purpose across various industries, guaranteeing precise and accurate measurements and markings.
- Q:How do you use a steel square to measure the height of a window frame?
- To use a steel square to measure the height of a window frame, you will need to follow these steps: 1. Start by positioning the steel square vertically against one side of the window frame, ensuring that it is flush against the wall. The long side of the square should be parallel to the ground. 2. Slide the square up or down until its edge aligns with the top of the window frame. Make sure that the square is still flush against the wall. 3. Once you have aligned the square with the top of the window frame, hold it firmly in place. 4. Look at the scale on the steel square to determine the measurement. The scale is typically marked in inches or centimeters, so ensure that you are using the appropriate unit of measurement. 5. Read the measurement where the top edge of the window frame aligns with the scale on the steel square. This will give you the height of the window frame. Remember to take accurate measurements and repeat the process on the other side of the window frame to verify consistency. Additionally, it is always a good practice to measure multiple times to ensure accuracy.
- 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 measure angles?
- To measure angles using a steel square, follow these steps: 1. Ensure the steel square is clean and free from any dirt or debris that could impact measurement accuracy. 2. Identify the angle you wish to measure. The steel square has two arms: a longer one called the blade and a shorter one called the tongue. 3. Place the steel square on a flat surface, aligning the blade with one side of the angle. 4. Rotate the square until the tongue aligns with the other side of the angle, ensuring both arms are in contact with the surface and the angle's sides. 5. Once the steel square is properly aligned, read the angle measurement from the engraved scale on the blade or tongue. The scale typically displays degrees with regular markings. 6. Take note of the angle measurement for future reference or use. Handle the steel square with care to prevent any damage that might affect measurement accuracy. Regularly check and calibrate the square if necessary to ensure precise and reliable angle measurements.
- Q:How do you use a steel square for making accurate miter cuts?
- Achieving accurate miter cuts with a steel square involves several steps: 1. Ensure that your steel square is clean and free of dirt or debris. This is important for obtaining precise measurements. 2. Position the steel square flat against the material's edge where the miter cut will be made. Make sure it is aligned correctly and that the desired cutting angle is perpendicular to the square. 3. Securely hold the square against the material to prevent any movement or shifting. If necessary, use clamps or a vise to keep the square in place. 4. Use a pencil or marking knife to mark the line where the miter cut will be made. Align the square with the desired angle and trace along its edge to create an accurate guideline. 5. Verify the square's alignment before proceeding. It is crucial to confirm that the square has not moved while marking the line. 6. Carefully follow the marked line using a miter saw or handsaw to make the miter cut. Take your time and make precise cuts to achieve the desired angle. 7. After making the cut, check the accuracy of the miter by fitting the two cut pieces together. They should fit snugly and form a perfect angle. If adjustments are necessary, use sandpaper or a file to refine the cut until the desired fit is achieved. Remember, practice and patience are essential when using a steel square for accurate miter cuts. Over time, you will improve and achieve precise, clean cuts for your woodworking projects.
- Q:How do you maintain and care for a steel square?
- To maintain and care for a steel square, there are a few steps you can follow. 1. Clean regularly: After each use, make sure to remove any debris, dust, or moisture from the steel square. You can use a brush or a cloth to wipe it down and ensure it is free from any dirt or grime. 2. Lubricate the moving parts: Steel squares often have sliding parts that need to move smoothly. Apply a small amount of lubricant to these areas to keep them working properly. Be sure to use a lubricant that is suitable for metal surfaces. 3. Store properly: When not in use, store the steel square in a dry and clean place. Avoid exposing it to extreme temperatures or humidity, as this can cause corrosion or damage to the metal. 4. Check for rust: Regularly inspect the steel square for any signs of rust. If you notice any rust spots, gently clean them with a wire brush or steel wool. Afterward, apply a rust inhibitor or a light coat of oil to prevent further rusting. 5. Avoid dropping or mishandling: Steel squares are durable, but they can still get damaged if mishandled or dropped. Be careful when using and storing them to prevent any accidental damage. 6. Calibration: Over time, it is possible for the measurements on a steel square to become inaccurate. To ensure its precision, you can periodically check its accuracy using a reliable measuring tool. If any adjustments are required, follow the manufacturer's instructions or seek professional help. By following these steps, you can maintain and care for your steel square, prolonging its lifespan and ensuring its accuracy for various tasks and projects.
- Q:Can a steel square be used for framing?
- Framing can indeed be done with a steel square. A steel square, also referred to as a framing square or carpenter's square, is a versatile tool extensively used in construction and woodworking. While wooden or aluminum squares are traditionally used for framing, steel squares provide added durability and sturdiness. They consist of a long arm (body) and a shorter arm (tongue) that meet at a 90-degree angle, creating an L-shape. The body is typically 24 inches long, while the tongue measures around 16 inches. Steel squares possess various markings and measurements along their edges, making them highly useful for framing tasks. They can be utilized to lay out and mark straight lines, precisely measure angles, determine levelness and squareness, and verify the alignment of walls, doors, windows, and other components during the framing process. Steel squares are particularly advantageous when working with metal framing or when additional strength and durability are required. They are also resistant to warping and bending, ensuring accurate measurements and dependable outcomes. To summarize, a steel square proves to be an appropriate tool for framing due to its strength, durability, and versatility. Carpenters, construction workers, and woodworkers commonly employ it to guarantee precise and accurate framing measurements and alignments.
- Q:Can a steel square be used for checking the squareness of a cabinet?
- Yes, a steel square can be used for checking the squareness of a cabinet.
- Q:How do you use a steel square to measure and mark 67.5-degree angles?
- To use a steel square to measure and mark a 67.5-degree angle, you would align the long edge of the square with the baseline of the angle and then adjust the square until the angle indicator (usually located at the corner of the square) reaches 67.5 degrees. Once aligned, you can then use the square to mark the desired angle accurately.
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Hot rolled square steel; square steel bar
- Ref Price:
-
- Loading Port:
- Tianjin
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 50 m.t.
- Supply Capability:
- 10000 m.t./month
OKorder Service Pledge
OKorder Financial Service
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