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
You Might Also Like
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: What are the different techniques for using a steel square in welding?
- To ensure accurate measurements and angles during the welding process, various techniques can be employed using a steel square. These techniques encompass: 1. Verifying angles: Before and after welding, welders can employ a steel square to verify the accuracy of angles. By positioning the square against the joint, welders can confirm if the angles are square (90 degrees) or match the desired angle. 2. Layout and marking: Steel squares serve as exceptional tools for laying out and marking lines on the workpiece. They facilitate the creation of straight lines, marking reference points, and accurate measurement transfer. 3. Aligning corners: Prior to welding, it is crucial to ensure proper alignment and squareness of corners. By placing a steel square against the corners, welders can ascertain if they are square, allowing any necessary adjustments to be made before welding. 4. Aligning fixtures and jigs: When setting up fixtures or jigs for welding, a steel square can be utilized to ensure proper alignment. It can be applied against the fixture or jig to check for squareness or parallelism, enabling adjustments if required. 5. Measuring and transferring dimensions: Steel squares possess precise markings along their edges, enabling welders to measure and transfer dimensions accurately. This is especially beneficial when aligning or fitting pieces together before welding. 6. Detecting distortion: Following welding, a steel square can be used to detect any distortion or warping in the workpiece. By placing the square against the welded joint, any irregularities can be easily identified and rectified. In essence, a steel square is a versatile tool in welding, aiding in layout, alignment, measurement, and angle verification. By employing these techniques, welders can ensure the precision and quality of their work.
- Q: The difference between cold and hot galvanized steel hollow where
- Hot rolling process is: the ingot directly into square tube, and then galvanized, also known as seamless pipe.Usually than cold-rolled steel hot-rolled square steel prices high.
- Q: What are some common measurements that can be taken with a steel square in HVAC work?
- Some common measurements that can be taken with a steel square in HVAC work include determining right angles, marking straight lines, measuring angles, checking for level and plumb, and creating parallel lines.
- Q: How do you use a steel square to measure board lengths at different points?
- To use a steel square to measure board lengths at different points, follow these steps: 1. Start by aligning one edge of the steel square with the end of the board you want to measure. Make sure the square is flush against the edge of the board. 2. Hold the steel square firmly in place with one hand, ensuring it doesn't move or shift during the measurement process. 3. Look at the measurements marked on the steel square's blade. These markings indicate inches (or centimeters) and are typically labeled from 1 to 24 or more. 4. Slide the steel square along the length of the board while keeping it straight and aligned with the edge. As you move, take note of the measurement at the point where you want to determine the board's length. 5. Once you reach your desired measurement point, read the corresponding number on the steel square blade. This number represents the length of the board from the starting point to the current position. 6. If you need to measure another point on the same board, repeat steps 1 to 5, ensuring the steel square remains aligned with the edge of the board. Using a steel square to measure board lengths at different points is a straightforward process, as it relies on the accuracy and precision of the square's markings. By following these steps, you can obtain accurate measurements for your woodworking or construction projects.
- Q: How do you use a steel square to determine the slope of a hill?
- To use a steel square to determine the slope of a hill, you will need to follow these steps: 1. Find a level area at the base of the hill where you can set up your steel square. Ensure that the area is clear of any obstacles or obstructions that may interfere with your measurements. 2. Position the steel square on the ground, making sure it is level and stable. You can use a spirit level or a bubble level to ensure its accuracy. 3. Hold the steel square upright so that one of its edges is touching the ground and the other edge is pointing towards the hill. Make sure the square is held firmly in place. 4. Use a plumb bob or a level to make sure that the steel square is perfectly vertical. This is crucial for accurate measurements. 5. Look at the steel square to determine the slope of the hill. The steel square consists of two arms – a shorter one and a longer one. The longer arm represents the horizontal line, while the shorter arm represents the vertical line. 6. Observe where the shorter arm intersects with the hill. This point indicates the height of the hill at that specific spot. 7. Measure the length of the shorter arm, which reflects the height of the hill. You can use a measuring tape or ruler to determine the exact length. 8. Measure the length of the longer arm, which represents the horizontal distance or run. 9. Calculate the slope of the hill by dividing the height (length of the shorter arm) by the horizontal distance (length of the longer arm). This will give you the slope in a ratio or percentage. For example, if the height of the hill is 4 feet and the horizontal distance is 20 feet, the slope would be 4/20, which is equivalent to 0.2 or 20%. By using a steel square and following these steps, you can determine the slope of a hill accurately. It is important to repeat the process at different points along the hill to get a comprehensive understanding of its overall slope.
- Q: How do you use a steel square for creating precise corner spline joints?
- To use a steel square for creating precise corner spline joints, you would first measure and mark the desired location for the joint on the wood. Next, place the steel square on the marked corner and align it with the adjacent edges of the wood. Use a pencil or a knife to trace along the edge of the square, creating a precise guideline for the joint. Repeat this process on the other piece of wood that will be joined. This guideline will help you accurately cut and align the splines, ensuring a precise and snug fit for the joint.
- Q: What are the different types of steel squares?
- Various applications utilize several types of steel squares. One commonly used square is the framing square, also known as a carpenter's square. Carpenters and construction workers employ this type of square to ensure precise right angles when framing walls, roofs, and other structures. It consists of a long arm and a shorter arm meeting at a 90-degree angle. Another steel square is the combination square, which also has a 90-degree angle like the framing square. However, it possesses an adjustable ruler attached to one of the arms. This feature allows the combination square to measure and mark angles other than 90 degrees, as well as straight lines and depths. It is widely used in woodworking and metalworking. For woodworking purposes, the try square comes into play. While resembling a framing square, it is smaller and has a shorter arm. Try squares are primarily employed to mark and verify right angles when working with smaller wood pieces, such as joinery or cabinetmaking projects. Machinist squares are precision tools utilized in metalworking and machining. Typically made of hardened steel, they possess a high degree of accuracy. Machinist squares are utilized to check the squareness and alignment of machine parts, as well as for layout and marking in metalworking processes. Specialized steel squares, such as rafter squares or roofing squares, are utilized by carpenters and roofers to calculate and mark angles for roof rafters and other roofing elements. These squares often possess additional markings and features specific to roofing applications. In conclusion, the types of steel squares include framing squares, combination squares, try squares, machinist squares, and specialized squares for roofing. Each square serves its own specific purpose and finds application in various industries.
- Q: Can a steel square be used for tile accent layout?
- Yes, a steel square can be used for tile accent layout. A steel square, also known as a framing square or carpenter's square, is a versatile tool that can be used for various layout and measurement tasks in construction, including tile work. Its L-shaped design and right angles allow for precise and accurate measurements, making it suitable for creating straight lines and angles needed for tile accent layout. However, it's important to note that a steel square should be used in conjunction with other tools, such as a level and chalk line, to ensure the tiles are positioned correctly and evenly.
- Q: How do you use a steel square to measure the width of a worktable?
- In order to measure the width of a worktable using a steel square, it is necessary to follow these steps carefully: 1. Make sure that the worktable is clean and devoid of any objects that might obstruct the measuring procedure. 2. Position the steel square at one end of the worktable, ensuring that it is flush against the edge. Verify that the long side of the square is aligned with the desired width. 3. Firmly hold the steel square in place, making certain that it remains stationary and doesn't shift during the measurement. 4. Examine the measurement markings on the steel square and locate the corresponding width measurement. 5. Determine the measurement on the steel square where it aligns with the opposite end of the worktable. This will provide an accurate reading of the width of the worktable. 6. Take note of the measurement and, if necessary, repeat the process to verify the accuracy. It is imperative to handle the steel square with care and ensure that it is properly aligned with the edges of the worktable in order to obtain an accurate measurement.
- Q: Can a steel square be used for checking the squareness of a scroll saw table?
- Yes, a steel square can be used for checking the squareness of a scroll saw table. A steel square is a measuring tool with a 90-degree angle that can be used to determine if the edges of the scroll saw table are perfectly perpendicular to each other. By placing the steel square against the edges of the table, you can visually inspect if they align perfectly at a right angle. If the edges are not square, adjustments can be made to ensure accurate cuts and measurements when using the scroll saw.
Send your message to us
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
Similar products
Hot products
Hot Searches
Related keywords
