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
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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: How do you use a steel square to find angles for bevel cuts?
- To use a steel square to find angles for bevel cuts, you can follow these steps: 1. Start by understanding the steel square's markings: The steel square typically has two arms, one longer than the other, forming a right angle. The longer arm is called the blade, while the shorter one is known as the tongue. Both arms have markings and measurements along their edges. 2. Determine the angle you want to achieve: Before using the steel square, you need to know the specific angle you want to cut. For example, if you need a 45-degree bevel cut, you will be looking for that specific angle on the steel square. 3. Align the steel square with the edge of the material: Place the blade of the steel square against the edge of the material you want to cut. Ensure it is flushed against the surface and that the tongue extends outwards. 4. Locate the desired angle on the steel square: Look for the angle measurement you want to achieve along the tongue or blade of the steel square. The angles are typically marked in degrees. 5. Position the material accordingly: Once you have located the correct angle on the steel square, adjust the material accordingly. Align the edge of the material with the corresponding angle mark on the steel square. This will ensure that the bevel cut is made at the desired angle. 6. Secure the material: After positioning the material, make sure it is securely fastened or clamped in place. This will prevent any movement during the cutting process, ensuring accuracy and safety. 7. Make the bevel cut: Finally, using a suitable saw or cutting tool, carefully cut along the marked line to achieve the desired bevel angle. Remember, practice caution and take necessary safety precautions when working with tools and machinery to prevent accidents or injuries.
- Q: How do you use a steel square to measure and mark 101.25-degree angles?
- In order to measure and mark a 101.25-degree angle using a steel square, the following steps should be followed: To begin, position the blade of the steel square, which is the long side, flat against the desired edge of the material. Ensure that the square is properly aligned and securely positioned against the edge. Next, locate the degree scale on the square. This scale is typically situated on the inside of the square near the corner where the blade and the tongue meet. Identify the 90-degree mark on the degree scale, which is usually the largest mark and represents a right angle. Align this mark with the edge of the material. Now, find the 0-degree mark on the scale, which is generally the starting point closest to the blade and signifies a straight angle. Align this mark with the edge of the material as well. Once the 90-degree mark and the 0-degree mark are aligned, proceed to locate the 101.25-degree mark on the scale. It may be necessary to estimate this position, as most steel squares do not have specific markings for angles beyond 90 degrees. Once the approximate position for 101.25 degrees is identified, make a small mark on the material at that point. To ensure accuracy, a pencil or scribe can be used. To verify the measurement, utilize the square to draw a line through the marked point. This line should form a 90-degree angle with the edge of the material. If the line is not perpendicular, it may be necessary to readjust the measurement and mark. Please keep in mind that measuring and marking angles beyond 90 degrees with a steel square may require estimation, and accuracy may vary. If available, it is advisable to use a protractor or angle measuring tool for more precise measurements.
- Q: How do you use a steel square to measure and mark 120-degree angles?
- To use a steel square to measure and mark 120-degree angles, you need to align the 60-degree angle on the square with one of the sides of the angle you want to measure. Then, mark a point where the other side of the angle intersects the steel square. Finally, use a straight edge to connect this point with the vertex of the angle, creating a 120-degree angle.
- Q: What are the key features of a steel square?
- A steel square, also known as a framing square or carpenter's square, is a versatile tool used in carpentry and woodworking. It consists of a long, straight blade and a shorter, perpendicular tongue that forms a perfect 90-degree angle. Here are the key features of a steel square: 1. Accuracy: The steel square is designed to provide precise measurements and angles, making it an essential tool for ensuring accurate cuts and joints in woodworking projects. 2. Right angle guide: The 90-degree angle formed by the blade and tongue allows for quick and easy checking of squareness, ensuring that corners and edges are perfectly perpendicular. 3. Layout tool: The steel square is commonly used as a layout tool for marking and transferring measurements. The long blade is graduated with measurements in inches and centimeters, enabling precise marking of lines, angles, and square cuts. 4. Rafter tables: Many steel squares also feature rafter tables on the blade, which provide quick calculations for common roof framing tasks. These tables help determine the length, angle, and pitch of rafters, making it easier to construct roofs. 5. Leveling tool: The long blade of a steel square can also function as a straightedge, allowing for leveling and checking the flatness of surfaces. This makes it useful for checking the alignment of shelves, tabletops, and other woodworking projects. 6. Durability: Steel squares are typically made from high-quality steel, making them durable and resistant to wear and tear. They are designed to withstand heavy use and provide accurate measurements for an extended period. 7. Versatility: Steel squares can be used for a wide range of tasks, including marking and measuring, laying out rafters, checking squareness, and leveling. They are an essential tool for carpenters, woodworkers, and DIY enthusiasts. In summary, the key features of a steel square include accuracy, a right angle guide, versatility, durability, rafter tables, and its role as a layout and leveling tool. It is an indispensable tool for anyone working with wood, ensuring precise measurements and angles in various woodworking tasks.
- Q: Can a steel square be used for measuring pipe sizes?
- No, a steel square cannot be used for measuring pipe sizes as it is primarily used for measuring right angles and not suitable for measuring the diameter or circumference of a pipe.
- Q: How do you use a steel square for marking window and door trim angles?
- To use a steel square for marking window and door trim angles, first, place the square against the edge of the trim. Then, adjust the square until one side aligns with the trim edge and the other side is perpendicular to it. Next, use a pencil to mark along the edge of the square, creating a straight line that indicates the desired trim angle. Repeat this process for each corner or angle that needs to be marked.
- Q: Can a steel square be used for checking the plumbness of a support beam?
- Typically, a steel square is not employed to assess the plumbness of a support beam. A steel square, otherwise referred to as a framing square or carpenter's square, is primarily utilized in carpentry and woodworking to measure and mark right angles. Although it may assist in different construction tasks, it is not specifically crafted for plumbness verification. For this purpose, it is advisable to employ a plumb bob or a spirit level, both of which are explicitly designed and offer more precise outcomes.
- Q: Can a steel square be used for marking out dovetails?
- Yes, a steel square can be used for marking out dovetails. A steel square is a versatile tool that is commonly used for measuring, marking, and checking right angles. When marking out dovetails, a steel square can be used to ensure straight and accurate lines are drawn to create the angled dovetail cuts. The square's straight edge can be aligned with the edge of the wood to create the baseline from which the dovetail angles can be marked. Additionally, the square's perpendicular edges can be used to check and verify the accuracy of the angles and slopes during the marking out process. So, while there are specialized dovetail marking tools available, a steel square can certainly be used effectively for marking out dovetails.
- Q: How do you use a steel square to lay out a compound miter cut?
- To use a steel square to lay out a compound miter cut, you need to understand the angles and measurements involved. First, determine the desired angle for the miter cut. Then, use the square to mark a 90-degree angle on the edge of the material. Next, align the square's long edge with the desired angle line on the material, making sure the blade of the square intersects the 90-degree line. Finally, mark the cut line along the square's blade, ensuring it aligns with the desired miter angle. This method helps in accurately marking the compound miter cut before making the actual cut.
- Q: How do you use a steel square to find the length of a hip rafter?
- To use a steel square to find the length of a hip rafter, you would follow these steps: 1. Set up the steel square: Place the steel square on a flat surface or directly on the rafter you want to measure. Make sure it is aligned properly, with the long edge (blade) facing towards the rafter and the shorter edge (tongue) running perpendicular to it. 2. Find the pitch: Determine the pitch or slope of the roof by referring to the markings on the steel square. These markings indicate the rise and run of the roof. The rise is the vertical distance between the rafter and the peak of the roof, while the run is the horizontal distance between the rafter and the edge of the roof. 3. Measure the length: Using the steel square, measure the length of the hip rafter by aligning the tongue with the edge of the rafter and extending the blade towards the peak of the roof. The point where the blade intersects the rafter represents the length. 4. Mark the length: Once you have determined the length of the hip rafter, mark it on the rafter using a pencil or any other suitable marking tool. This will serve as a guide when cutting or installing the rafter. It is important to note that additional calculations or adjustments may be necessary depending on the specific requirements of your project, such as accounting for overhangs or other factors that may affect the length of the hip rafter. Consulting a professional or referring to a comprehensive guidebook for roof framing can provide more detailed instructions specific to your situation.
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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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