Hot Rolled Steel Flat Bars

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Loading Port:: Tianjin

Payment Terms:: TT OR LC

Min Order Qty:: -

Supply Capability:: 200000 m.t./month

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Specification of Hot Rolled Steel Flat Bar

Commodity: Hot Rolled Steel Flat Bar

Standard: GB;JIS

Material: Q195-Q235

Brand name: FLATSPACE

Origin place: China

Thickness: 3mm-30mm

Width:20mm-200mm

Length: Max 12m

Certification: SGS/BV

Chemical composition of Q235

Alloy No

Grade

Element(%)

Q235

0.12—0.20

0.3—0.7

≤0.045

≤0.3

Physical properties of Q235

Alloy No	Grade	Yielding strength point(Mpa)				Tensile strength (Mpa)	Elongation after fracture(%)
		Thickness (mm)					Thickness (mm)
		≤16	＞16--40	＞40--60	＞60--100		≤16	＞16--40	＞40--60	＞60--100
		≥					≥
Q235	B	235	225	215	205	375--500	26	25	24	23

Usage/Applications of Hot Rolled Steel Flat Bar

Widely used for construction, Machinery manufacturing, Iron tower steel structure, Shipbuilding; Steel grating, Staircase, Bridge, Viaduct, Railway spare parts, Boilers making etc.

Production Flow of Hot Rolled Steel Flat Bar

The steel flat bar is made through three processes:

1.Feeding the material: Feeding the row material (the steel plate) to Slitting Line.

2.Slitting:The steel plate would be slitted into expected width by lengthways cutter.

3. Leveled and cutting: The plat bar would be ground into level by the grinder and then cut into required length.

Packaging & Delivery of Hot Rolled Steel Flat Bar

1.Packaging Details: The Steel Flat Bars are packed in bundles and loaded in 20 feet/40 feet container, or shipped by bulk cargo ,also we can do as customer's requirements.

2.Delivery Details:30~45 days upon the receipt of buyer payment by T.T. or L/C.

3. Marks:

Color marking: There will be color marking on both end of the bundle for the cargo delivered by bulk vessel. That makes it easily to distinguish at the destination port.

Tag mark: there will be tag mark tied up on the bundles. The information usually including supplier logo and name, product name, made in China, shipping marks and other information request by the customer.

If loading by container the marking is not needed, but we will prepare it as customer requests.

Packing the Hot ROlled Steel Flat Bar in Bundles

Loading the Hot Rolled Steel Flat Bar in Containers

Q:How do you use a steel square to measure and mark 84.375-degree angles?: To use a steel square to measure and mark 84.375-degree angles, you need to follow these steps: 1. Set your steel square on a flat surface, ensuring it is fully aligned and not tilted. 2. Locate the 45-degree angle on the inside corner of the square. This is formed by the intersection of the short leg and the hypotenuse. 3. Align the short leg of the square with the edge or line where you want to measure the 84.375-degree angle. 4. Rotate the square while keeping the short leg aligned with the edge until the long leg intersects the line. 5. Once the long leg intersects the line, take note of the angle indicated on the scale of the square. The angle should be measured from the edge where the short leg is aligned. 6. To measure and mark an 84.375-degree angle, continue rotating the square until the desired angle appears on the scale. In this case, it should be between 84 and 85 degrees. 7. Once the desired angle is aligned, hold the square firmly in place and use a pencil or a scribe to mark the line or surface. Remember to double-check the accuracy of your measurement and ensure the square remains flat and aligned throughout the process.

Q:Can a steel square be used for checking the flatness of a table top?: Indeed, a table top's flatness can be verified using a steel square. This tool possesses a right-angle shape and precision, enabling it to evaluate the straightness and precision of surfaces. By positioning the steel square against the table top and examining the points of contact, any deviations or irregularities from flatness can be detected. Nonetheless, it is worth mentioning that although a steel square can offer a general assessment of flatness, its accuracy may not match that of more specialized tools like a machinist's straight edge or a surface plate.

Q:Can a steel square be used for metal fabrication?: Indeed, metal fabrication can indeed make use of a steel square. This tool, also referred to as a framing square or carpenter's square, possesses great versatility, commonly found in woodworking and construction practices. Nevertheless, it can also play a vital role in metal fabrication assignments. Its structure, which consists of a flat blade and a perpendicular handle, allows for precise measurements and accurate layout work. The steel square proves particularly beneficial in the realm of marking and measuring angles, ensuring the proper alignment and layout of metal pieces during fabrication. Moreover, it can be employed to verify the squareness and straightness of metal components, rendering it an indispensable instrument in the field of metalworking.

Q:How do you use a steel square to measure and mark 348.75-degree angles?: To use a steel square to measure and mark 348.75-degree angles, you would first need to understand that a traditional steel square typically contains a 90-degree angle and a 45-degree angle. Since 348.75 degrees exceeds these angles, you would require additional steps to achieve the desired measurement accurately. One approach to accomplish this is by utilizing the 45-degree angle on the steel square. Start by aligning the shorter side of the steel square along the line or edge where you want to measure and mark the angle. Next, rotate the square until the 45-degree angle aligns with the reference line or edge. This position will create a 90-degree angle with the reference line or edge. Now, you need to divide the remaining 258.75 degrees into smaller, measurable angles. With a protractor, measure and mark 180 degrees along the reference line or edge from the point where the steel square intersects it. Then, measure and mark an additional 78.75 degrees from the same point towards the opposite direction. At this point, you will have marked a total of 258.75 degrees. To complete the measurement of the 348.75-degree angle, align the steel square's longer side with the last mark you made at 78.75 degrees. This alignment will create an angle of 90 degrees with the reference line or edge. The gap between the longer side of the steel square and the reference line or edge will represent the remaining 90 degrees, resulting in a total angle of 348.75 degrees. By following these steps, you can effectively use a steel square to measure and mark a 348.75-degree angle with a reasonable level of accuracy.

Q:How do you use a steel square for marking roof dormer angles?: To use a steel square for marking roof dormer angles, you will need to follow a few steps. 1. Begin by positioning the steel square on the edge of the roof where the dormer will be located. Make sure the square is aligned with the roof's pitch or slope by placing the longer arm of the square against the roof. 2. Align the shorter arm of the square with the desired angle for the dormer. This angle will depend on the design and specifications of the dormer you are constructing. 3. Once the square is properly aligned, use a pencil or marker to trace along the edge of the shorter arm of the square. This will create a straight line on the roof, indicating the angle at which the dormer will be constructed. 4. Repeat this process for each side of the dormer, ensuring consistency in the angles and measurements. 5. After marking all the necessary angles, you can use these lines as guides for cutting and constructing the dormer. Make sure to double-check your measurements and angles before proceeding with the construction process. Using a steel square for marking roof dormer angles provides accurate and precise measurements, helping you create a dormer that fits seamlessly into the existing roof structure. It is essential to follow safety guidelines and use proper tools when working on any roofing project.

Q:How do you use a steel square to ensure the correct angle for a bridle joint?: To ensure the correct angle for a bridle joint using a steel square, you would first mark the thickness of the material on both the face and edge of the stock. Then, place the steel square against the edge of the stock and align it with the face mark. Next, transfer the angle by marking a line along the inside edge of the steel square. Repeat this process on the other piece of stock, ensuring that the angle lines up perfectly. This will help create a precise and accurate bridle joint angle.

Q:Can a steel square be used for deck railing post layout and installation?: Yes, a steel square can be used for deck railing post layout and installation. A steel square, also known as a framing square or carpenter's square, is a versatile tool used in woodworking and construction. It has a long arm and a shorter arm, forming a right angle, which allows for precise measurements and layout. When it comes to deck railing post layout, a steel square can be used to ensure accurate placement and alignment. The long arm of the square can be used to measure and mark out the desired distance between each post, while the shorter arm can be used to create perpendicular lines for precise positioning. During installation, a steel square can also be helpful in ensuring that each post is plumb and level. By aligning the square with the post and adjusting it until it is perfectly vertical, you can be confident that your railing will be installed correctly. In summary, a steel square is a valuable tool for deck railing post layout and installation, as it provides accurate measurements, facilitates precise positioning, and helps to ensure that each post is properly aligned.

Q:4*4 steel welding frame tank do strong?: If you want to be firm, you can use the three and four sections. The middle slot can be clamped on the edge of the fish tank, and the tripod should be four. It's so convenient and strong!

Q:Can a steel square be used for foundation leveling?: Yes, a steel square can be used for foundation leveling. A steel square is a versatile tool commonly used in construction and carpentry for measuring, marking, and ensuring accuracy. When it comes to foundation leveling, a steel square can be utilized to check the levelness and alignment of the foundation walls or footings. By placing the steel square against the foundation surface and using a level, one can determine if the foundation is straight and level or if adjustments need to be made. However, it is important to note that while a steel square can provide a rough indication of the levelness of a foundation, more precise tools such as laser levels or transit levels are often used for more accurate leveling measurements.

Q:Can a steel square be used for checking the squareness of a scroll saw blade?: No, a steel square cannot be used for checking the squareness of a scroll saw blade. A specialized tool called a protractor-type square or a 90-degree angle gauge should be used for this purpose.

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