Hot Rolled Square Steel Bar Material Q235

Hot Rolled Square Steel Bar Material Q235 System 1

Hot Rolled Square Steel Bar Material Q235 System 2

Hot Rolled Square Steel Bar Material Q235

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Loading Port:: Qingdao

Payment Terms:: TT or LC

Min Order Qty:: 25 m.t.

Supply Capability:: 3000 m.t./month

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Product Description:

OKorder is offering Hot Rolled Square Steel Bar 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:

The Square Steel is normally used as structure steel.

Row material for other structure steel like steel angles, channels, I-beams, H-beams, etc…

Product Advantages:

OKorder's Hot Rolled Square Steel Bar Material Q235 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:

Length of a side(mm)	Theoretical weight(kg/m)	Length of a side(mm)	Theoretical weight(kg/m)
6	0.283	32	8.04
7	0.385	33	8.55
8	0.502	34	9.07
9	0.636	35	9.62
10	0.785	36	10.17
11	0.950	38	11.24
12	1.13	40	12.56
13	1.33	42	13.85
14	1.54	45	15.90
15	1.77	48	18.09
16	2.01	50	19.63
17	2.27	53	22.05
18	2.54	55	23.6
19	2.82	56	24.61
20	3.14	58	26.4
21	3.46	60	28.26
22	3.80	63	31.16
23	4.15	65	33.17
24	4.52	68	36.3
25	4.91	70	38.49
26	5.30	75	44.16
27	5.72	80	50.24
28	6.15	85	56.72
29	6.60	90	63.59
30	7.06	95	70.85
31	7.54	100	78.50

Notes:

1, The theoretical weights in the list, base on the density of 7.85 g/cm3.

2, The numbers with mean that they are not regulars or we don’t offer them.

-List 2. The allowed tolerance of Square Steel:

Length of a side(mm)	Allowed Tolerance
Length of a side(mm)	Group1	Group2	Group3
5.5～7	±0.20	±0.30	±0.40
7～20	±0.25	±0.35	±0.40
20～30	±0.30	±0.40	±0.50
30～50	±0.40	±0.50	±0.60
60～80	±0.60	±0.70	±0.80
80～110	±0.90	±1.0	±1.1
110～150	±1.2	±1.3	±1.1
150～190	――	――	±2.0
190～250	――	――	±2.5

Hot Rolled Square Steel Bar Material Q235

Payment:

-Invoicing on theoretical weight or actual weight as customer’s request.

-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.

FAQ:

Q1: Why buy Materials & Equipment from OKorder.com?

A1: All products offered byOKorder.com are carefully selected from China's most reliable manufacturing enterprises. Through its ISO certifications, OKorder.com adheres to the highest standards and a commitment to supply chain safety and customer satisfaction.

Q2: How do we guarantee the quality of our products?

A2: 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.

Q3: How soon can we receive the product after purchase?

A3: Within three days of placing an order, we will begin production. The specific shipping date is dependent upon international and government factors, but is typically 7 to 10 workdays.

Q:What are the different techniques for using a steel square in woodworking joinery?: There are several techniques for using a steel square in woodworking joinery. One common technique is using it as a measurement tool to ensure accurate and precise cuts and angles. The square can be used to mark and measure straight lines, check for squareness, and mark angles for various joints such as mitered or dovetailed joints. Additionally, the steel square can be used as a guide for making straight cuts by aligning the square's edge with the material being cut. Overall, the steel square is a versatile and essential tool in woodworking joinery for achieving precise and well-fitted joints.

Q:How do you use a steel square to lay out a valley rafter?: To use a steel square to lay out a valley rafter, follow these steps: 1. Determine the pitch or slope of the roof and the length of the valley rafter. 2. Begin by placing the steel square on the edge of the rafter stock, aligning the tongue of the square with the top edge. 3. Measure and mark the length of the valley rafter on the stock using the square's body. 4. Next, rotate the square so that the tongue is aligned with the mark you made for the length of the rafter. 5. Align the body of the square with the edge of the stock and mark the angle of the pitch on the stock using the square's heel. 6. Use a saw or other cutting tool to cut along the marked lines, ensuring the valley rafter is accurately formed. 7. Double-check the measurements and angles before installing the valley rafter in the appropriate location on the roof.

Q:What are the common mistakes to avoid when using a steel square in construction?: Some common mistakes to avoid when using a steel square in construction are not ensuring the square is properly aligned with the workpiece, not holding it securely, not using it to mark accurate measurements, and not verifying the squareness of corners.

Q:Can a steel square be used for cutting or shaping materials?: Yes, a steel square can be used for cutting or shaping materials. While its main purpose is for measuring and checking right angles, the straight edges and corners of a steel square can also be used as a guide for cutting or shaping materials such as wood, metal, or plastic. The steel square provides a sturdy and precise reference point, ensuring accurate cuts or shapes. However, it is important to note that the steel square itself is not a cutting tool, but rather a tool that assists in maintaining straight lines and right angles during the cutting or shaping process.

Q:How do you use a steel square to determine the size of a circle?: You cannot directly use a steel square to determine the size of a circle as a steel square is primarily used for measuring angles and distances between points. However, you can use a steel square in combination with other tools or methods to indirectly determine the size of a circle. One approach would be to use the steel square to measure the diameter or radius of the circle. The diameter is the distance across the circle passing through its center, while the radius is the distance from the center to any point on the circle's edge. To measure the diameter, place the steel square against the circle in such a way that it touches two points on the circle's edge. Measure the distance between these two points using the scale on the steel square. This measurement will give you the diameter of the circle. To measure the radius, place the steel square against the circle so that it touches the edge at one point. Measure the distance from this point to the center of the circle using the scale on the steel square. This measurement will give you the radius of the circle. Once you have the diameter or radius of the circle, you can use mathematical formulas or trigonometry to determine its size, such as calculating the circumference or area of the circle.

Q:What are the different ways to hold a steel square when making measurements in metalworking?: There are several different ways to hold a steel square when making measurements in metalworking, depending on the specific task at hand and personal preference. Here are a few common methods: 1. Handheld Method: This is the most basic and commonly used method. Simply hold the steel square firmly in your hand and align it with the edge or surface you're measuring. Ensure that the square is flush against the material to get accurate measurements. 2. Clamping Method: When measuring large or heavy pieces of metal, it may be challenging to hold the square with one hand. In such cases, clamping the square to the workbench or workpiece can provide stability. Use a C-clamp or a quick-release clamp to secure the square in place, ensuring that it does not move during the measurement process. 3. Magnetic Method: Some steel squares have built-in magnets, allowing them to stick to metal surfaces. This can be useful when you need to measure a piece that is already attached to a magnetic surface, such as a machine or tool. Simply place the square on the metal surface, and it will stay in place due to the magnetic force. 4. Vise Method: A vise is a common tool in metalworking, and it can be utilized to hold a steel square securely. Open the vise, place the square between the jaws, and tighten the vise to grip the square tightly. This method is particularly useful when you need both hands free to perform other tasks while keeping the square in place. 5. Double-Sided Tape Method: In situations where you don't want to leave any marks or damage the material, you can use double-sided tape. Apply a strip of strong adhesive tape to one side of the steel square and press it firmly onto the surface you're measuring. The tape will hold the square securely, allowing you to take measurements without any obstruction. Remember, regardless of the method you choose, always ensure that the steel square is aligned properly and tightly held to obtain accurate measurements in metalworking.

Q:Can a steel square be used for checking the squareness of a workbench?: A workbench's squareness can be checked using a steel square. Known as a framing square or carpenter's square, a steel square is a versatile tool commonly used in carpentry and woodworking. It consists of a long arm and a shorter arm that meet at a right angle, creating a 90-degree angle. To check a workbench's squareness, position the long arm of the steel square against one edge of the workbench, ensuring it is flush with the surface. Extend the shorter arm along the adjacent edge, making sure it is also flush with the surface. This method allows for a visual inspection to determine if the two edges form a perfect 90-degree angle. If the steel square indicates that the workbench is not square, adjustments can be made to correct it. This may involve planing or sanding the edges to ensure they are straight and at a right angle to each other. Additionally, shims or wedges can be used to level and square the workbench. In conclusion, a steel square is a dependable tool for checking a workbench's squareness. It enables accurate measurements and ensures proper alignment of the workbench edges.

Q:What are some common measurements that can be taken with a steel square?: A steel square is a versatile and essential tool used in carpentry and woodworking. It consists of a long blade and a shorter tongue, forming a right angle. Here are some common measurements that can be taken with a steel square: 1. Right angles: The primary function of a steel square is to ensure the accuracy of right angles. It can be used to check if two surfaces are perfectly perpendicular to each other, such as when constructing frames, cabinets, or bookshelves. 2. Squaring lumber: When working with rough lumber, a steel square can be used to mark and cut it into precise right angles. By aligning the blade against one edge and the tongue against another, the square can provide a guide for making accurate cuts. 3. Determining plumb: A steel square can help determine if an object is perfectly vertical or plumb. By placing the square against a surface and checking for gaps between the blade and the object, one can ensure that it is aligned properly. 4. Measuring angles: Although primarily used for right angles, a steel square can also be used to measure other angles. By aligning the blade or tongue against the desired angle, one can transfer or replicate the angle accurately. 5. Marking parallel lines: A steel square can be used to mark parallel lines by sliding it along the edge of a board while marking the desired distance at various points. This ensures that the lines are equidistant and parallel to each other. 6. Setting bevels: A steel square can be used to set bevel angles on tools such as saws or planes. By adjusting the blade or tongue to the desired angle, it can serve as a guide for achieving consistent and accurate bevel cuts. 7. Checking for flatness: A steel square can be used to check the flatness of a surface. By placing the square against the surface and checking for gaps or irregularities, one can ensure that the surface is even and level. In summary, a steel square is a versatile tool that can be used for various measurements and alignments in carpentry and woodworking. Its primary functions include checking right angles, squaring lumber, determining plumb, measuring angles, marking parallel lines, setting bevels, and checking for flatness.

Q:How do you use a steel square to determine the slope of a roof valley?: To use a steel square to determine the slope of a roof valley, follow these steps: 1. Start by positioning yourself at the bottom of the valley, where the two roof slopes meet. Make sure you have a clear view of the entire valley. 2. Hold the steel square horizontally, with one of its edges aligned with the bottom edge of the roof slope on one side of the valley. Ensure that the square is firmly in place. 3. Look at the scale on the steel square, which is usually marked in inches or centimeters. Locate the line on the square that aligns with the roof slope on one side of the valley. 4. Now, without moving the steel square from its initial position, look at the roof slope on the other side of the valley. Observe the point where the roof slope intersects the steel square's scale. 5. Measure the distance from the bottom edge of the roof slope on one side of the valley to the point where the roof slope on the other side of the valley intersects the steel square's scale. This measurement will give you the rise of the roof valley. 6. Next, measure the horizontal distance between the two roof slopes at the bottom of the valley. This will give you the run of the roof valley. 7. To determine the slope of the roof valley, divide the rise by the run. This can be done by dividing the measurement obtained in step 5 by the measurement obtained in step 6. For example, if the rise of the valley is 4 inches and the run is 12 inches, the slope would be 4/12 or 1/3. This means that for every 3 units of horizontal distance, the roof valley rises 1 unit. By using a steel square and following these steps, you can accurately determine the slope of a roof valley, which is crucial for proper installation and maintenance of roofing materials.

Q:How do you use a steel square for marking and cutting tenons?: To use a steel square for marking and cutting tenons, follow these steps: 1. Start by ensuring that the steel square is clean and free of any rust or debris. This will ensure accurate measurements and markings. 2. Measure the width of the tenon required on the workpiece. For example, if you need a tenon that is 1 inch wide, align the edge of the steel square with the end of the workpiece and mark a line at the 1-inch mark on the square. 3. Next, determine the depth of the tenon. For instance, if you need a tenon that is 2 inches deep, align the square's tongue (the shorter part of the "L" shape) with the edge of the workpiece and mark a line at the 2-inch mark on the square. 4. Use a straight edge, such as a ruler or a level, to connect the lines you marked in steps 2 and 3. This will give you a clear visual representation of the tenon's size and location on the workpiece. 5. Once the tenon is marked, use a saw to carefully cut along the lines you made. Take your time and ensure a clean and accurate cut. 6. After cutting the tenon, you may need to use a chisel or a rasp to refine the edges and make any necessary adjustments for a perfect fit. Remember, practice and precision are key when using a steel square for marking and cutting tenons. Measure accurately, make clean cuts, and take your time to ensure a professional result.

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