Hot rolled steel flat bar for construction made in China
- Ref Price:
-
- Loading Port:
- Tianjin
- Payment Terms:
- TT or LC
- Min Order Qty:
- 10000 m.t.
- Supply Capability:
- 10000 m.t./month
OKorder Service Pledge
OKorder Financial Service
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Product Description:
OKorder is offering Hot rolled steel flat bar for construction made in China at great prices with worldwide shipping. Our supplier is a world-class manufacturer of steel, with our products utilized the world over. OKorder annually supplies products to European, North American and Asian markets. We provide quotations within 24 hours of receiving an inquiry and guarantee competitive prices.
Product Applications:
Hot rolled steel flat bar for construction made in China are ideal for structural applications and are widely used in the construction of buildings and bridges, and the manufacturing, petrochemical, and transportation industries.
Product Advantages:
OKorder's Hot rolled steel flat bar for construction made in China are durable, strong, and resist corrosion.
Main Product Features:
· Premium quality
· Prompt delivery & seaworthy packing (30 days after receiving deposit)
· Corrosion resistance
· Can be recycled and reused
· Mill test certification
· Professional Service
· Competitive pricing
Product Specifications:
-Standard: GB,
-Grade: Q195 or equivalent.
-Chemical Composition:
Standard | Grade | Element (%) | ||||
GB | Q195 | C | Mn | S | P | Si |
0.06~0.12 | 0.25~0.50 | ≤0.050 | ≤0.045 | ≤0.30 | ||
Measures of HR Square Bar (small measures):
(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 |
> 25 | 3~9 | |
Steel of high quality | All measure | 2~6 |
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.
FAQ:
Q1: How do we guarantee the quality of our products?
A1: We have established an advanced quality management system which conducts strict quality tests at every step, from raw materials to the final product. At the same time, we provide extensive follow-up service assurances as required.
Q2: Can stainless steel rust?
A2: Stainless does not "rust" as you think of regular steel rusting with a red oxide on the surface that flakes off. If you see red rust it is probably due to some iron particles that have contaminated the surface of the stainless steel and it is these iron particles that are rusting. Look at the source of the rusting and see if you can remove it from the surface.
- Q:Can a steel square be used for checking the squareness of a jointer fence?
- Using a steel square for checking the squareness of a jointer fence is not possible. Jointer fences are usually made of cast iron, and using a steel square would yield inaccurate results. To ensure precise and accurate measurements, it is advisable to employ a precision square that matches the material of the jointer fence, such as a cast iron square. Achieving a properly squared jointer fence is crucial for precise woodworking, and using the appropriate tool for the task is essential.
- Q:How do you use a steel square to measure and mark 22.5-degree angles?
- In order to measure and mark a 22.5-degree angle using a steel square, several simple steps must be taken. Begin by positioning the steel square so that the long edge (hypotenuse) faces you, while the shorter edge (leg) is on the left side. It is important to ensure that the right angle formed by these two edges is placed at the starting point of the desired angle. Next, locate the scale on the leg of the square. This scale typically represents degrees, so locate the 45-degree mark on the scale, which is positioned halfway between 0 and 90 degrees. Starting from the 45-degree mark, count two units to the right. Each unit on the scale represents one degree, so by counting two units, we obtain 2 degrees. This is due to the fact that a 45-degree angle lies halfway between 0 and 90 degrees, and half of 45 equals 22.5. Once the 2-degree mark has been identified, use a pencil to draw a line along the edge of the square that intersects this mark. This line will serve as a representation of a 22.5-degree angle. To verify the accuracy of the measurement, it is also possible to measure the angle using a protractor. Place the protractor at the starting point of the angle and align its baseline with the line drawn using the steel square. Confirm that the protractor's zero-degree line aligns with the line from the square, and then check that the protractor indicates an angle of 22.5 degrees. By adhering to these instructions, it is possible to precisely measure and mark a 22.5-degree angle using a steel square.
- Q:Can a steel square be used for measuring angles in electrical work?
- Indeed, angles in electrical work can be measured using a steel square. Although primarily utilized in woodworking, steel squares have proven their worth in electrical work by accurately gauging and delineating angles on materials like conduit, junction boxes, or metal plates. Nevertheless, it is crucial to acknowledge that steel squares generally feature markings solely for measuring 90-degree angles, lacking the ability to gauge other specific angles commonly employed in electrical work. Consequently, while they can offer a rough approximation, they may not possess the precision found in specialized tools like protractors or angle finders.
- Q:Can a steel square be used for measuring the width of a wall opening?
- Yes, a steel square can be used for measuring the width of a wall opening. Its straight edges and right angles make it suitable for measuring and marking precise measurements on walls and other surfaces.
- Q:How does a steel square assist in determining the correct angle for a chamfer cut?
- A steel square assists in determining the correct angle for a chamfer cut by providing a straight edge that can be aligned with the desired angle. It allows the user to accurately measure and mark the angle on the material to be cut, ensuring precision and consistency in the chamfer cut.
- Q:How do you use a steel square to measure the width of a window frame?
- To use a steel square to measure the width of a window frame, simply position the square against the inside edge of the frame at a right angle. Ensure that one arm of the square is flush against the bottom of the frame, and then read the measurement off the other arm. This will give you an accurate measurement of the window frame's width.
- 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 67.5-degree angles, you can follow these steps: 1. Place the steel square on a flat surface or workbench, ensuring that it is aligned and not tilted. 2. Locate the 45-degree angle on the steel square. This angle is formed by the perpendicular edges of the square. 3. Align one of the edges of the steel square along the edge of the material you want to mark or measure. 4. Use a pencil or a marking tool to mark the material at the intersection of the edge of the steel square and the material. 5. Next, locate the 22.5-degree mark on the steel square. This mark is usually halfway between the 45-degree angle and the right angle (90 degrees) of the square. 6. Align the edge of the steel square with the mark you made in step 4. 7. Hold the steel square firmly in place, ensuring it doesn't move. 8. Use a pencil or a marking tool to mark the material at the intersection of the edge of the steel square and the material. 9. The two marks you made in steps 4 and 8 should form a 67.5-degree angle. 10. Connect the two marks with a straight line or use a protractor to double-check the angle measurement. By following these steps, you can effectively use a steel square to measure and mark 67.5-degree angles.
- Q:How do you use a steel square to measure and mark 78.75-degree angles?
- To measure and mark a 78.75-degree angle using a steel square, you would first align one edge of the square with the line or surface you want to mark. Then, rotate the square until the other edge aligns with the desired angle, which in this case would be 78.75 degrees. Once aligned, you can use a pencil or marker to mark the angle on the material or surface you are working on.
- Q:How do you use a steel square to measure and mark 157.5-degree angles?
- In order to measure and mark a 157.5-degree angle using a steel square, the following steps can be followed: 1. Begin by aligning the short side of the steel square with the desired material or surface's edge where the angle needs to be marked. 2. Rotate the square until the long side is aligned with one of the reference points or edges on the material. This reference point can either be an existing line or a corner. 3. Identify the 45-degree angle on the steel square, typically indicated by a small notch or line. 4. Proceed by adding another 45 degrees in the same direction from the 45-degree angle. This will result in a 90-degree angle. 5. Continue by adding another 45 degrees in the same direction from the 90-degree angle. This will result in a 135-degree angle. 6. Lastly, add another 22.5 degrees in the same direction from the 135-degree angle, bringing the total to 157.5 degrees. 7. With the steel square properly positioned, create a small mark or draw a line to indicate the desired 157.5-degree angle. It is important to keep in mind that steel squares typically have limited degree markings, usually up to 45 degrees or 90 degrees. For measuring angles beyond these limits, multiple angles or other measuring tools like a protractor or bevel gauge must be utilized.
- Q:What is the purpose of a steel square?
- The steel square, also known as a framing square or carpenter's square, serves to aid in the construction and layout of right angles. It is a versatile tool employed by carpenters, woodworkers, and other tradespeople to precisely measure, mark, and cut various angles and lengths. Typically, a steel square comprises two arms: a lengthy one referred to as the blade, and a shorter one called the tongue. These arms intersect at a 90-degree angle, forming an exact right angle. The blade is etched with a range of measurements and angles, facilitating accurate calculations and layout. A key application of the steel square is to ascertain and denote right angles. By aligning the blade and tongue against the edges of a board or wall, a carpenter can ensure the corners are flawlessly square. This is of utmost importance when constructing frames, rafters, stairs, and other structures necessitating precise angles. Moreover, the steel square can be utilized to measure and mark angles other than 90 degrees. By utilizing the marked angles on the blade, one can effortlessly measure and cut common angles like 45 degrees or 30 degrees. This renders it a valuable tool for tasks such as mitering corners, executing bevel cuts, or creating accurate angles in woodworking projects. In essence, the steel square serves the purpose of furnishing a reliable and efficient means of establishing and working with right angles and various angles in construction and woodworking. It aids in ensuring accuracy, efficiency, and quality in the process of measuring, marking, and cutting, thus rendering it an indispensable tool for professionals and hobbyists alike.
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Hot rolled steel flat bar for construction made in China
- Ref Price:
-
- Loading Port:
- Tianjin
- Payment Terms:
- TT or LC
- Min Order Qty:
- 10000 m.t.
- Supply Capability:
- 10000 m.t./month
OKorder Service Pledge
OKorder Financial Service
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