Square steel bar

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Loading Port:: China Main Port

Payment Terms:: TT or LC

Min Order Qty:: 50Tons m.t.

Supply Capability:: 500 tons per month m.t./month

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We offer Square Steel Bar with grade Q195 / Q235

Specifications of Square Steel Bar:

-Standard: GB,

-Grade: Q195/Q235 or equivalent.

Chemical Composition:

-Chemical Composition. Q195

Standard	Grade	Element (%)
GB	Q195	C	Mn	S	P	Si
GB	Q195	0.06~0.12	0.25~0.50	≤0.050	≤0.045	≤0.30

-Chemical Composition. Q235

Standard	Grade	Element (%)
GB	Q235B	C	Mn	S	P	Si
GB	Q235B	0.12~0.20	0.30~0.70	≤0.045	≤0.045	≤0.30

Measures and Tolerances of Square Steel Bar:

Section of Square Steel Bar.

(The section of Square Steel Bar)

-The length of a side and the theoretical weight of Square Steel.

Length of a side(a, mm)	Theoretical weight(kg/m)	Length of a side(a, 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	79	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.

-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

Usage/Applications of Steel Square 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…

Packaging & Delivery of Steel Square Bar:

-Packing Detail: The products can be packed in bundles by steel wires.

-Marks:

1, Tag marks: the tag marks will be tied up to each bundle of the products. The information is usually including supplier’s logo and name, product name, made in China, products’ specifications, the painted color and other information requested by customers.

2, Color marks: we will paint both ends of the bundles of these products to make sure that they are more evident. It’s will be more convenient for the customers to distinguish them at the destination port.

-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 usually are transported to the nearest port from the production place.

Payment:

-Invoicing on theoretical weight or actual weight a s 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.

Photos of Square Steel Bar:

Square Steel Bar.

We sincerely welcome partners around the world to establish business cooperation with us on the basis of mutual trust, benefit and development.

Q:How do you use a steel square to find the square footage of a roof?: To use a steel square to find the square footage of a roof, you will need to follow a few steps. First, you need to determine the pitch or slope of the roof. The pitch is usually given as a ratio, such as 4:12 or 6:12, which means for every 12 inches of horizontal run, the roof rises 4 or 6 inches vertically. Next, you will need to measure the length and width of the roof. Use the steel square as a measuring tool by placing one edge on the roof's surface and the other edge against the vertical surface, such as a wall or fascia board. This will allow you to measure the length and width accurately. Once you have these measurements, you can multiply the length and width to calculate the square footage of the roof. However, keep in mind that with a sloped roof, you need to take the pitch into account. To do this, multiply the length by the width, and then multiply the result by the pitch factor. The pitch factor is found by dividing the vertical rise by the horizontal run. For example, if the pitch is 4:12, the pitch factor is 4/12, which simplifies to 1/3. Finally, divide the total square footage by 100 to convert it to roofing squares. Roofing squares are a common unit of measurement in the roofing industry, where one square equals 100 square feet. In summary, using a steel square to find the square footage of a roof involves measuring the length and width of the roof, considering the pitch or slope, multiplying the measurements, and then converting the result to roofing squares if necessary.

Q:Can a steel square be used for measuring and marking compound bevel and miter cuts?: Yes, a steel square can be used for measuring and marking compound bevel and miter cuts. A steel square, also known as a framing square or carpenter's square, is a versatile tool commonly used in woodworking and construction. It has a 90-degree angle and a 45-degree angle, making it suitable for marking and measuring both bevel and miter cuts. For compound bevel cuts, where two angles need to be combined, a steel square can be used to measure and mark the first angle. By aligning the square's 45-degree angle with the desired bevel angle, the square's edge can be used to create an accurate reference line for cutting. Similarly, for miter cuts, where two pieces of material need to be joined at an angle, a steel square can be used to measure and mark the required angle. By aligning the square's 45-degree angle with the desired miter angle, the square's edge can be used to create precise marks for cutting. However, it is important to note that while a steel square can be used for measuring and marking compound bevel and miter cuts, it may not provide the same level of accuracy and precision as specialized tools such as a bevel gauge or a miter saw. These specialized tools are designed specifically for these types of cuts and offer greater precision and ease of use. So, while a steel square can be a useful tool for basic measurements and markings, it is recommended to use dedicated tools for more complex compound bevel and miter cuts.

Q:Can a steel square be used for cabinet-making projects?: Cabinet-making projects can indeed utilize a steel square. This versatile tool, known as a framing square or carpenter's square, is commonly employed in woodworking. Its functionality includes verifying 90-degree angles, measuring straight lines, and ensuring precision in cabinet construction. The steel square is both durable and accurate, serving as a dependable resource for measuring and marking lumber, assessing joint squareness, and confirming cabinet component alignment. Nevertheless, it is worth acknowledging the existence of specialized squares designed explicitly for cabinet-making, such as cabinetmaker's squares or combination squares, which may provide added features or benefits tailored to cabinet-making tasks.

Q:How do you use a steel square to mark out mortise and tenon joints?: For marking out mortise and tenon joints with a steel square, the following steps should be followed: 1. Choose the appropriate size of the steel square for your project. Smaller squares are more convenient for smaller joints, while larger squares are suitable for larger joints. 2. Determine the dimensions of your mortise and tenon joint. Measure the tenon's width and thickness, as well as the mortise's depth and width. 3. Use the steel square to mark the tenon's width on the end of the wood piece that will form the tenon. Place the square against the wood's edge and draw a line that matches the tenon's width. Repeat this step on all sides of the tenon piece. 4. Next, mark the tenon's thickness on the face of the tenon piece. Align the square with the wood's end and draw lines on both sides, indicating the tenon's thickness. Repeat this step on all sides of the tenon piece. 5. Once the tenon is marked, position it against the wood piece that will receive the mortise. Align the tenon with the corresponding edge of the receiving piece and use the square to mark the tenon's outline on the receiving piece. This will show where the mortise will be cut. 6. To mark the mortise's width and depth, align the square with the tenon's outline lines on the receiving piece. Draw lines along the sides of the square to indicate the mortise's width and depth. Repeat this step on all sides of the receiving piece. 7. Finally, use a chisel or mortising machine to cut out the mortise and shape the tenon according to the markings made with the steel square. Ensure a snug fit between the tenon and mortise for a strong and precise joint. By utilizing a steel square for marking out mortise and tenon joints, accurate and consistent measurements can be achieved, resulting in well-fitting and durable joints.

Q:How do you use a steel square to measure and mark mitered angles?: To achieve accurate measurements and markings when using a steel square to measure and mark mitered angles, follow these steps: 1. Prioritize cleaning your steel square thoroughly, removing any debris or rust. This will guarantee precise measurements and markings. 2. Determine the specific mitered angle you wish to create. For instance, let's assume we desire a 45-degree mitered angle. 3. Position the steel square against the material you are working with, aligning one edge of the square with the material's edge. 4. While keeping the square aligned with the material, rotate it until the desired angle (in this case, 45 degrees) aligns with the material's edge. 5. Once you have successfully aligned the desired angle, use a pencil or scribe to mark a line along the square's edge. This line will serve as a guide for your miter cut. 6. Repeat this process on the other piece of material you intend to miter, ensuring precise alignment of the square and accurate marking of the line. 7. Once both pieces are marked, proceed to use a miter saw or handsaw to cut along the marked lines, ensuring the preservation of the angle and the creation of a precise and clean mitered joint. Always remember to double-check your measurements and markings before making any cuts to ensure utmost accuracy. The utilization of a steel square to measure and mark mitered angles requires practice and precision.

Q:How do you use a steel square to find the height of a roof peak?: To find the height of a roof peak using a steel square, follow these steps: 1. Position yourself at the base of the roof where the peak is located, ensuring a clear view of the entire peak. 2. Hold the steel square in your hand, placing one leg on the roof surface and pointing the other leg straight up towards the peak. The long side of the square should be parallel to the roof's ridge line. 3. Adjust the square's position until the leg on the roof is level, making sure the square is perfectly vertical. You can use a bubble level or visually align it. 4. Once the square is properly positioned, hold it steady and observe the scale on the long side of the square. This scale represents the rise or height of the roof. 5. Identify the point where the other leg of the square intersects the scale. This point indicates the height of the roof peak. Take note of the measurement or mark it on the square for future reference. By utilizing a steel square in this manner, you can easily determine the height of a roof peak without the need for extra tools or complex calculations. It provides a straightforward and precise method for estimating the peak's height, which can be advantageous for planning and construction purposes.

Q:How do you use a steel square to find the center of a board?: To find the center of a board using a steel square, the following steps can be followed: 1. Align the long side of the square with the edge of the board and place it at one end. 2. Ensure that the square is perfectly perpendicular to the edge of the board. 3. Mark a reference line on the board along the long side of the square. 4. Keep the square in place and position the opposite end against the reference line just marked. 5. Slide the square along the reference line until the short side intersects with the other edge of the board. 6. Mark another reference line on the board along the short side of the square. 7. Without moving the square, position the opposite end against the new reference line just marked. 8. Slide the square along the reference line until the long side intersects with the first edge of the board. 9. Mark a final reference line on the board along the long side of the square. 10. The center of the board is where the three reference lines intersect. By utilizing a steel square, precise measurements and straight lines can be ensured, making it an effective tool for locating the center of a board.

Q:How does a steel square assist in determining the correct angle for a beaded joint?: A steel square is a versatile tool that can assist in determining the correct angle for a beaded joint in several ways. Firstly, a steel square has a 90-degree angle, which can be used as a reference to ensure that the beaded joint is perfectly perpendicular to the workpiece. By placing the square against the workpiece and aligning it with the joint, one can visually confirm if the joint is at a right angle or needs adjustment. Secondly, a steel square can be used to measure and transfer angles. The square typically has various degree markings along its edges, allowing for precise angle measurements. This is particularly useful when dealing with beaded joints that require specific angles, such as mitered corners or angled cuts. By using the square as a guide, one can accurately mark the desired angle on the workpiece and ensure a precise beaded joint. Additionally, the steel square can serve as a guide when cutting or shaping the materials for the joint. By aligning the square with the workpiece and marking the desired angle, one can use the square as a reference point while cutting or shaping the materials. This helps in achieving accurate and consistent angles across multiple pieces, resulting in a well-fitted and aesthetically pleasing beaded joint. In summary, a steel square assists in determining the correct angle for a beaded joint by providing a 90-degree reference, allowing for angle measurements and transfers, and serving as a guide during cutting and shaping processes. Its versatility and precision make it an essential tool for ensuring the accuracy and quality of beaded joints.

Q:Can a steel square be used for metalworking tasks?: Yes, a steel square can be used for various metalworking tasks. Steel squares, also known as engineer's squares or machinist's squares, are precision tools commonly used in metalworking. They are typically made from hardened steel and have accurate right angles, making them ideal for checking and marking 90-degree angles in metal fabrication, welding, and machining processes. Steel squares are often used to ensure the accuracy and alignment of metal components during layout, layout marking, scribing, and measuring tasks. Additionally, they can be utilized for checking the flatness and straightness of metal surfaces, as well as for squaring up workpieces when cutting or milling. Overall, steel squares are indispensable tools in metalworking and provide valuable assistance in achieving precision and quality in various metal-related tasks.

Q:Can a steel square be used for checking the alignment of machinery?: Yes, a steel square can be used for checking the alignment of machinery. The square's straight edges and right angles can help determine if the machinery is properly aligned or if any adjustments are required.

STEXIN, an enterprise specializing in the production and sales of square bar, round bar and flat bar. The annual production capacity of square billet is 60,000 mtons, and sturtual steel 80,000 mtons.

1. Manufacturer Overview
Location	Renqiu, China
Year Established	1996
Annual Output Value	Above US$ 30 Million
Main Markets	Mid East; Southeast Aisa
Company Certifications

2. Manufacturer Certificates
a) Certification Name
Range
Reference
Validity Period

3. Manufacturer Capability
a)Trade Capacity
Nearest Port	Tianjin;
Export Percentage	20% - 30%
No.of Employees in Trade Department	11-20 People
Language Spoken:	English; Chinese
b)Factory Information
Factory Size:	Above 70,000 square meters
No. of Production Lines	1
Contract Manufacturing	OEM Service Offered
Product Price Range	Average