Hot Rolled Square Steel Bars Q235, A36 with Cr

Hot Rolled Square Steel Bars Q235, A36 with Cr System 1

Hot Rolled Square Steel Bars Q235, A36 with Cr

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Loading Port:: Shanghai

Payment Terms:: TT OR LC

Min Order Qty:: 25 m.t.

Supply Capability:: 200000 m.t./month

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Product Description:

OKorder is offering Hot Rolled Square Steel Bars Q235, A36 with Cr 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 HHot Rolled Square Steel Bars Q235, A36 with Cr 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 Bars Q235, A36 with Cr are durable, strong, and resist corrosion. Ang they satisfy the requirements of dififrent customers.

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 Description of Hot Rolled Square Bar Steel for Constrcution:

Specifications of Hot Rolled Square Steel Bars Q235, A36 with Cr:

-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 Hot Rolled Square Steel Bars Q235, A36 with Cr:

Section of Square Steel Bar.

(The section of Hot Rolled Square Steel Bars Q235, A36 with Cr)

-The length of a side and the theoretical weight of Hot Rolled Square Steel Bars Q235, A36 with Cr.

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 Hot Rolled Square Steel Bars Q235, A36 with Cr:

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

Packaging & Delivery of Hot Rolled Square Steel Bars Q235, A36 with Cr:

-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.

Hot Rolled Square Bar Steel for Constrcution

FAQ:

Q1: The products are invoicing on theoritical weight or on actual weight?

A1: We can do it in both manners, according to the customers' request.

Q2: How soon can we receive the product after purchase?

A2: 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.

Q3: How do we guarantee the quality of our products?

A3: 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.

Q:What are some common projects that require the use of a steel square?: A framing square, which is also referred to as a steel square, is a tool widely used in construction and woodworking projects due to its versatility. It is commonly utilized in various tasks such as: 1. Framing: Building walls, roofs, and floors necessitates the use of steel squares in order to accurately establish angles and measurements for cuts. This ensures the structural integrity of the framing. 2. Staircases: Precise measurements and angles are crucial when constructing stairs. Steel squares are employed to mark and cut the diagonal supports, known as stringers, ensuring their accurate positioning and alignment. 3. Roofing: Steel squares are used in roof installation or repair to determine the pitch or slope of the roof. This aids in cutting rafters and trusses at the correct angle for a proper fit and effective drainage. 4. Cabinetry: Steel squares are excellent for measuring and marking angles when constructing cabinets. They ensure that the corners are square, the cabinet doors are straight, and the shelves are level. 5. Decking: Accurate marking and cutting of posts, joists, and beams are essential when constructing a deck. Steel squares assist in ensuring that the deck is level and properly aligned. 6. Furniture making: In woodworking projects like building tables, chairs, or other furniture pieces, steel squares are utilized to mark and cut precise angles for joinery. This guarantees a tight and secure fit between the different components. 7. Shelving: Steel squares are valuable for marking and cutting supports and brackets for shelving units. They ensure that the shelves are level and properly aligned to distribute weight evenly. 8. Door and window installation: Steel squares aid in marking and confirming the squareness and proper alignment of door or window openings. This ensures precise installation and prevents potential issues with opening and closing. 9. Tile layout: Steel squares can be used to ensure straight lines and right angles when installing tiles. They assist in creating accurate reference lines and ensuring correct tile positioning. In summary, a steel square is an indispensable tool in construction and woodworking projects that demand precise measurements, angles, and squareness. Its versatility makes it essential for both professional builders and DIY enthusiasts.

Q:What are the different types of steel squares?: Various applications utilize several types of steel squares. One commonly used square is the framing square, also known as a carpenter's square. Carpenters and construction workers employ this type of square to ensure precise right angles when framing walls, roofs, and other structures. It consists of a long arm and a shorter arm meeting at a 90-degree angle. Another steel square is the combination square, which also has a 90-degree angle like the framing square. However, it possesses an adjustable ruler attached to one of the arms. This feature allows the combination square to measure and mark angles other than 90 degrees, as well as straight lines and depths. It is widely used in woodworking and metalworking. For woodworking purposes, the try square comes into play. While resembling a framing square, it is smaller and has a shorter arm. Try squares are primarily employed to mark and verify right angles when working with smaller wood pieces, such as joinery or cabinetmaking projects. Machinist squares are precision tools utilized in metalworking and machining. Typically made of hardened steel, they possess a high degree of accuracy. Machinist squares are utilized to check the squareness and alignment of machine parts, as well as for layout and marking in metalworking processes. Specialized steel squares, such as rafter squares or roofing squares, are utilized by carpenters and roofers to calculate and mark angles for roof rafters and other roofing elements. These squares often possess additional markings and features specific to roofing applications. In conclusion, the types of steel squares include framing squares, combination squares, try squares, machinist squares, and specialized squares for roofing. Each square serves its own specific purpose and finds application in various industries.

Q:Can a steel square be used for stair stringer layout and construction?: Yes, a steel square can be used for stair stringer layout and construction. A steel square, also known as a framing square or carpenter's square, is a versatile tool that can be used for various construction tasks, including layout and cutting of stair stringers. The square has two arms, one long and one shorter, joined at a 90-degree angle. This allows for accurate measurements and layout of angles, making it suitable for determining the rise and run of each step in a stair stringer. The long arm can be used to mark the rise, while the shorter arm can be used to mark the run. By aligning the square with the stringer board and marking the appropriate measurements, one can easily layout and construct stair stringers using a steel square. However, it is important to ensure that the square is properly calibrated and that the measurements are accurately transferred to avoid any errors in the construction process.

Q:How do you maintain a steel square?: In order to maintain a steel square, it is crucial to adhere to a few simple guidelines. Firstly, it is of utmost importance to thoroughly clean the steel square after each use, ensuring the removal of any accumulated dirt, dust, or debris from its surface. This can be achieved by utilizing a soft cloth or brush, along with mild soap and water if necessary. Subsequently, it becomes imperative to completely dry the steel square to prevent the occurrence of rust or corrosion caused by moisture. Once dry, it is recommended to apply a thin layer of lubricant or rust inhibitor to safeguard the steel square against moisture and maintain its smooth surface. This can be accomplished by applying a small quantity of oil or a specialized rust inhibitor and evenly spreading it across the entire square's surface. Moreover, storing the steel square in a dry and clean environment is absolutely essential to avoid any further exposure to moisture or contaminants. It is advisable to keep it in a dedicated case or storage box to shield it from accidental damage or scratches. Furthermore, regular inspection is vital to identify any indications of wear or damage. If any issues are detected, it is crucial to promptly address them in order to prevent further deterioration. This may involve replacing any worn or damaged parts or seeking professional assistance if necessary. By adhering to these maintenance practices, one can ensure that a steel square remains in excellent condition, guaranteeing its accuracy and longevity for years to come.

Q:TIG welding of stainless steel plate and steel, how to regulate the argon arc welding: Wear zinc coating first, otherwise it is easy to form inclusion and other defects, and damage the strength of matrix.

Q:How do you use a steel square to determine the slope of a sidewalk?: To use a steel square to determine the slope of a sidewalk, you would need to follow these steps: 1. Start by finding a flat area on the sidewalk where you can place your steel square. Make sure it is a section of the sidewalk that you want to measure the slope of. 2. Position the steel square on the sidewalk, ensuring that one edge of the square is parallel to the direction of the slope or slant you want to measure. 3. Hold the square firmly against the sidewalk, making sure it is level and not tilted in any way. It is crucial to keep the square steady and stable for an accurate measurement. 4. Look at the measuring scale on the steel square. Typically, there will be two scales on the square – one on the shorter side and one on the longer side. These scales usually provide measurements in inches or centimeters. 5. Observe where the edge of the sidewalk aligns with the measuring scale on the steel square. The corresponding measurement on the scale will indicate the vertical distance or rise from the sidewalk edge to the square's edge. 6. Next, measure the horizontal distance or run from the point where the sidewalk edge aligned with the square's edge to the end of the square. Use a tape measure or ruler to get an accurate measurement. 7. Finally, calculate the slope by dividing the rise (vertical distance) by the run (horizontal distance). This will give you the slope expressed as a ratio or a percentage. For example, if the rise is 4 inches and the run is 10 feet (120 inches), the slope would be 4/120 or 1/30, which can also be expressed as 1:30 or approximately 3.33%. Remember, using a steel square to determine slope requires precision and accuracy in measurements, so take your time and ensure you are using the square correctly to get an accurate result.

Q:How do you use a steel square to determine angles for door casing?: To use a steel square to determine angles for door casing, you need to follow a few simple steps. 1. First, ensure that the steel square is clean and in good condition. Any dirt or damage can affect the accuracy of your measurements. 2. Place the steel square against the door casing, ensuring that one leg is flush with the horizontal surface and the other leg is aligned with the vertical surface. 3. Once the square is properly positioned, use a pencil or marker to mark the edge of the square on the casing. 4. Next, measure the angle indicated by the steel square. This can be done by reading the markings on the square's edge. The most common steel squares have markings for 45-degree and 90-degree angles, but some also have additional markings for other angles. 5. Once you have determined the angle, transfer the measurement to your door casing. Use a protractor or angle finder tool to ensure accuracy, if necessary. 6. Finally, use a saw or other appropriate tools to cut the door casing at the marked angle. Double-check the fit by placing the cut piece against the door frame to ensure a proper fit. It is important to note that using a steel square requires practice and accuracy to obtain precise angles for door casing. Taking your time, double-checking measurements, and using the appropriate tools will help you achieve the best results.

Q:How do you use a steel square for marking and cutting finger joints?: To use a steel square for marking and cutting finger joints, follow these steps: 1. Start by ensuring that your steel square is clean and free from any rust or debris. This will help ensure accurate measurements and markings. 2. Measure and mark the desired length and width of each finger joint on the workpiece. Use a ruler or measuring tape to make precise measurements and transfer them onto the workpiece using the steel square. The long side of the steel square can be used to mark the length, while the shorter side can mark the width. 3. Align the steel square against the edge of the workpiece, making sure it is perfectly square and flush. Secure the square in place with a clamp or by holding it firmly against the workpiece. 4. Use a pencil or marking knife to trace along the edges of the steel square onto the workpiece. This will create clear and accurate guidelines for cutting the finger joints. 5. Repeat the marking process for each finger joint, ensuring that the measurements and alignments are consistent throughout. 6. Once all the finger joints are marked, use a saw or chisel to cut along the marked lines. Take your time and work carefully to ensure clean and precise cuts. 7. Test the fit of the finger joints by joining the pieces together. If necessary, make any adjustments or refinements to the joints using a file or sandpaper. By following these steps and using a steel square to mark and cut finger joints, you can achieve accurate and professional-looking results in your woodworking projects.

Q:Can a steel square be used for shelving installation?: Shelving installation can indeed utilize a steel square. This multipurpose tool, also referred to as a framing square or carpenter's square, finds widespread application in construction and woodworking projects. Composed primarily of steel, this tool comprises two arms that intersect at a 90-degree angle, forming a right angle. Utilizing this right angle, one can ensure that shelving units are installed in a level and square manner. By employing the steel square, one can effectively mark and measure the positioning of brackets or supports, guaranteeing their proper alignment and even spacing. Moreover, the straight edge of the steel square serves to verify the straightness and alignment of the shelves themselves. Overall, the steel square proves to be a dependable tool that greatly aids in the precise and accurate installation of shelving units.

Q:Are there any specialty steel squares available for specific tasks?: Yes, there are specialty steel squares available for specific tasks. Steel squares are versatile tools used in various industries such as carpentry, metalworking, and engineering. While standard steel squares can handle most tasks, there are specialized versions designed to meet specific requirements. For instance, in woodworking, there are specialty steel squares called rafter squares or carpenter's squares. These squares have additional features like tables or scales that aid in measuring angles and making complex cuts for rafters, stairs, and other applications. In metalworking, there are steel squares specifically designed for welding and fabrication tasks. These squares often have heat-resistant coatings or materials to withstand the high temperatures associated with welding. They may also have precise measurements and markings to ensure accurate layout and alignment. In engineering and machining, precision steel squares are commonly used. These squares are made with high accuracy and tight tolerances to ensure precise measurements and alignment. They are often used for setting up machinery, checking angles, and verifying perpendicularity. Furthermore, some specialty steel squares are designed for specific trades or industries. For example, there are masonry squares made from steel with rust-resistant coatings, specifically for bricklaying and other masonry tasks. Similarly, there are roofing squares with angled scales and markings for roofers to measure and cut accurately. Overall, specialty steel squares cater to the specific needs of different tasks and industries. Whether it's woodworking, metalworking, engineering, or other trades, there is likely a specialized steel square available to enhance precision, accuracy, and efficiency in those particular applications.

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