0.3% De Chemial Element Cr For Steel Square Bar

0.3% De Chemial Element Cr For Steel Square Bar

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Loading Port:: China main port

Payment Terms:: TT OR LC

Min Order Qty:: 25 m.t.

Supply Capability:: 10000 m.t./month

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Product Description

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

-Standard: GB,

-Grade: Q195/Q235 or equivalent.

-Chemical Composition:

Standard	Grade	Element (%)
Standard	Grade	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）
Mechanical Properties	Grade	≤16	16~40	40~60	60~100
Yield Point Δs/MPa	Q195	≥195	≥185	-	-
Yield Point Δs/MPa	Q235	235	225	215	205
Tensile Strength	Q195	315~390
Tensile Strength	Q235	375~500
Elongation δ5%	Q195	≥33	≥32	-	-
Elongation δ5%	Q235	26	25	24	23

Measures (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
Normal steel	> 25	3~9
Steel of high quality	All measure	2~6
Steel of high quality	Tool steel >75	1~6

Usage/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…

-Row material for steel pipes.

Packaging & Delivery

-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 detailed.

Q:Can a steel square be used for checking the squareness of a shelf?: Yes, a steel square can be used for checking the squareness of a shelf. A steel square is a precision measuring tool that is designed to determine if a corner or edge is perfectly perpendicular or at a right angle. By placing the steel square against the corner of the shelf, one can easily check if it is square or not. If the square fits perfectly and the edges align with the sides of the shelf, then it is square. However, if there are gaps or the edges do not align, it indicates that the shelf is not square and may need adjustments. Overall, a steel square is a reliable tool for checking the squareness of a shelf and ensuring its stability and functionality.

Q:What are some common uses for a steel square in deck construction?: Deck construction relies heavily on the use of a steel square, also known as a framing square, due to its versatility and importance. This tool is primarily utilized for precise angle measurements, markings, and cuts. Several common applications of a steel square in deck construction include: 1. Ensuring square corners: The steel square's 90-degree angle is ideal for guaranteeing that corners are square and properly aligned. Builders can utilize it to assess and adjust the deck's frame corners, ensuring accurate and precise construction. 2. Establishing the deck's layout: A steel square is useful in laying out the deck's perimeter and marking the precise positions for the placement of posts, beams, and joists. It aids in creating straight and parallel lines, resulting in a symmetrical and well-balanced deck structure. 3. Marking and cutting angles: Deck construction often involves cutting angles, especially for stair stringers, joist hangers, and other components. The steel square's accuracy in measuring and marking various angles enables builders to ensure precise cuts that fit together seamlessly. 4. Checking for level and plumb: Builders can employ a steel square to verify if posts and beams are plumb (vertical) and if joists and deck boards are level (horizontal). By aligning the square against the components and utilizing a level, builders can ensure the deck's structure is straight and properly aligned. 5. Measuring and marking dimensions: The long blade and tongue of a steel square allow for accurate measurements and markings. Whether it involves determining the length and width of deck boards, marking out notches, or measuring distances between joists, the steel square provides precise measurements for all deck components. Overall, the steel square is an indispensable tool in deck construction. Its versatility and accuracy in measuring, marking, and checking angles make it an essential asset for guaranteeing a well-built and structurally sound deck.

Q:What are the different angles that can be measured with a steel square?: A steel square, also known as a framing square or carpenter's square, is a versatile tool that can be used to measure and create various angles. Here are some of the different angles that can be measured with a steel square: 1. Right Angle: The most common angle measured with a steel square is 90 degrees, which represents a perfect right angle. This angle can be easily determined by aligning the square's long edge with one side of the object or surface being measured. 2. Acute Angle: An acute angle is any angle that measures less than 90 degrees. To measure an acute angle with a steel square, align one side of the square with the object or surface and observe the opening between the other side of the square and the object. 3. Obtuse Angle: An obtuse angle is any angle that measures more than 90 degrees but less than 180 degrees. To measure an obtuse angle with a steel square, align one side of the square with the object or surface and observe the opening between the other side of the square and the object. 4. Scalene Angle: A scalene angle is an angle with three unequal sides. It can be measured by aligning the steel square with one side of the object or surface and observing the opening between the other side of the square and the object. 5. Isosceles Angle: An isosceles angle is an angle with two equal sides. To measure an isosceles angle with a steel square, align one side of the square with one of the equal sides of the object or surface and observe the opening between the other side of the square and the object. 6. Equilateral Angle: An equilateral angle is an angle with three equal sides. It can be measured by aligning the steel square with one side of the object or surface and observing the opening between the other side of the square and the object. These are just a few examples of the different angles that can be measured with a steel square. However, it is worth noting that a steel square is primarily designed for measuring right angles, and measuring other angles may require additional tools or techniques.

Q:Can a steel square be used for barn construction?: Yes, a steel square can be used for barn construction. A steel square is a versatile and durable tool that can be used for various tasks in construction, including layout, marking, and checking right angles. It can be used to ensure precise measurements and angles when framing walls, installing rafters, or creating trusses in a barn. Additionally, steel squares are resistant to warping and corrosion, making them a reliable choice for long-term use in barn construction. However, it is important to note that the specific requirements and regulations for barn construction may vary depending on the location and building codes, so it is advisable to consult with a professional or local authorities to ensure compliance with the necessary standards.

Q:How do you use a steel square to find the square footage of a patio?: To use a steel square to find the square footage of a patio, you need to follow a few steps. First, ensure that the steel square is clean and free from any debris. Next, measure one side of the patio using the long edge of the steel square. Place the steel square against the edge of the patio, aligning the long edge with the side you want to measure. Hold the square firmly in place and make sure it is flush against the edge. Once the square is properly aligned, take note of the measurement indicated on the steel square's short edge. This measurement represents the length of one side of the patio. Repeat the process for the remaining sides of the patio, measuring each side with the steel square. Take note of the measurements for each side. To find the square footage, multiply the length of one side by the length of the adjacent side. For example, if one side measures 10 feet and the adjacent side measures 12 feet, multiply 10 by 12 to get 120 square feet. If the patio has irregular shapes or curves, you can still use the steel square to measure the square footage. Break the patio into smaller sections with straight edges and measure each section individually. Then, add up all the individual measurements to get the total square footage of the patio. Remember to account for any openings or obstacles in your calculations, as you may need to subtract their square footage from the total area. Using a steel square to find the square footage of a patio ensures accuracy and precision in your measurements, helping you determine the right amount of materials needed for your project.

Q:How do you use a steel square to measure and mark 202.5-degree angles?: To measure and mark a 202.5-degree angle using a steel square, you can utilize the protractor feature on the tool. Align one side of the square with the baseline of the angle, ensuring the corner of the square is at the vertex. Then, rotate the square until you reach the 202.5-degree mark on the protractor scale. Finally, use a pencil to mark the intersection point of the square and the angle's arms, indicating the desired 202.5-degree angle.

Q:How do you use a steel square for marking and cutting tenons with shoulders?: To use a steel square for marking and cutting tenons with shoulders, follow these steps: 1. Start by ensuring that your steel square is clean and free from any rust or debris. This will ensure accurate measurements and markings. 2. Begin by measuring the width of the tenon on the piece of wood you are working with. Place the steel square on the edge of the wood, aligning the inside edge of the square with the desired width measurement. 3. Once you have aligned the square, use a pencil or marking knife to mark the width of the tenon on the wood. Make sure to mark both sides of the wood for accuracy. 4. Next, determine the depth of the tenon. Measure the desired depth on the end of the wood, perpendicular to the width marking. This will be the length of the shoulder on each side of the tenon. 5. Place the steel square on the end of the wood, aligning the inside edge of the square with the depth measurement. Use a pencil or marking knife to mark the shoulder depth on each side of the wood. 6. Now that you have marked the width and shoulder depth of the tenon, you can proceed to cut it. Use a saw to carefully cut along the width marking, stopping at the shoulder depth marking. Repeat this on the other side of the wood to create the tenon. 7. Once the tenon is cut, you can refine the shoulders by using a chisel or shoulder plane. Carefully remove any excess wood to create a clean, flat surface for the shoulders. 8. Finally, test the fit of the tenon by inserting it into the corresponding mortise or joint. Make any necessary adjustments to the width or shoulder depth until the tenon fits snugly. By using a steel square, you can ensure precise measurements and markings when marking and cutting tenons with shoulders. This will result in a strong and accurate joint that fits together seamlessly.

Q:How do you use a steel square to measure board lengths at different angles?: To use a steel square to measure board lengths at different angles, you would start by placing the square's long side (blade) against the edge of the board. Next, rotate the square until the desired angle aligns with the edge of the board. Once aligned, mark the board along the shorter side (tongue) of the square. Finally, measure the distance from the marked point to the end of the board to determine the length at the specific angle.

Q:How do you determine if a steel square is square?: To determine if a steel square is square, you can use a few methods. Firstly, you can visually inspect the square by placing it against a straight edge or surface and checking if all sides and angles are perfectly perpendicular. Additionally, you can use a precision measuring tool like a caliper or micrometer to measure the sides and angles of the square, ensuring they are equal and at right angles. A more accurate method involves using a surface plate or a flat reference surface to check if the square lays flat and doesn't rock or wobble. Finally, you can perform a test by drawing lines at right angles on a piece of paper or a flat surface using the steel square, and then measuring the angles formed by the lines using a protractor or angle measuring tool.

Q:Can a steel square be used for wainscoting installation?: Wainscoting installation can indeed utilize a steel square. A steel square is a tool that is both versatile and durable, frequently employed in carpentry and woodworking projects. Its primary function is aiding in the measurement and marking of right angles, as well as guaranteeing accurate cuts and joinery. During wainscoting installation, a steel square proves useful for marking and measuring the height and width of the panels, ensuring proper alignment and levelness. Additionally, it can assist in verifying squareness and making precise cuts when trimming panels to accommodate corners or obstacles. In summary, a steel square serves as a valuable asset for achieving meticulous and professional wainscoting installation.

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