Hot Rolled Square Steel Bars Q235 System 1

Hot Rolled Square Steel Bars Q235

Ref Price:

Loading Port:: Tianjin

Payment Terms:: TT OR LC

Min Order Qty:: -

Supply Capability:: 200000 m.t./month

Inquire Now

Add to My Favorites

OKorder Service Pledge

Quality Product, Order Online Tracking, Timely Delivery

OKorder Financial Service

Credit Rating, Credit Services, Credit Purchasing

Hot Rolled Square Bar Details:

Minimum Order Quantity:	50Tons	Unit:	m.t.	Loading Port:	Tianjin Port
Supply Ability:	500 tons per month	Payment Terms:	TT or LC

Product Description:

Specifications of Hot Rolled Square Bar Q235:

-Standard: GB,

-Grade: Q235 or equivalent.

Chemical Composition:

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 of Hot Rolled Square Bar:

(Section of HR Square Bar)

-Length of a side and Theoretical weight of Square Bar.

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	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, 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 of Hot Rolled 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…

-Row material for steel pipes.

Packaging & Delivery of Hot Rolled 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 are usually transported to the nearest port from the production place.

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.

Photos of Hot Rolled Square Bar:

-Products in the factory:

Hot Rolled Sqaure Bar.

-Products during transportation:

Hot Rolled Sqaure 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 clean and maintain a steel square?: To clean and maintain a steel square, start by wiping it down with a clean cloth to remove any dirt or debris. If there are any stubborn stains or rust spots, you can use a mild abrasive cleaner or a mixture of vinegar and water to gently scrub the affected areas. After cleaning, make sure to dry the steel square thoroughly to prevent any moisture-induced corrosion. Additionally, it is essential to store the steel square in a dry location to avoid exposure to humidity or moisture. Regularly inspecting and oiling the moving parts of the square will help keep it in optimal working condition.

Q: How do you use a steel square to lay out a common rafter?: To lay out a common rafter, you can follow these steps by employing a steel square: 1. Begin by determining the roof pitch, which indicates the angle of the roof's slope. It is typically expressed as a ratio like 4:12 or 6:12, with the first number representing the rise and the second number representing the run. 2. Measure the span of the roof, which is the horizontal distance from one outer wall to the other. This measurement determines the length of the rafter. 3. Place the steel square on a flat surface with the blade facing towards you and the tongue pointing away. 4. Locate the pivot point on the square, where the blade and tongue meet. This point is usually marked with a small hole or notch. 5. Align the square's pivot point with the end of the square against the edge of the lumber from which you will be cutting the rafter. Ensure that the square is parallel to the lumber's edge. 6. Using the rise and run measurements, find the corresponding numbers on the steel square. These markings are typically present along the blade and tongue. 7. Once you identify the rise and run measurements, mark the points on the lumber where the blade and tongue intersect using a pencil or marker. 8. Connect the marked points with a straight line to create the rafter's outline. 9. Repeat this procedure for each rafter, taking into account any variations in the roof's pitch or span. By utilizing a steel square to lay out a common rafter, you can achieve precise and accurate cuts, ensuring that the rafter fits correctly and provides the necessary support for the roof structure.

Q: Can a steel square be used for drywall corner installation?: Yes, a steel square can be used for drywall corner installation. A steel square is a versatile tool that can be used for measuring, marking, and creating precise angles, making it suitable for accurately installing drywall corners.

Q: Can a steel square be used for laying out a raised bed garden?: Certainly! A raised bed garden can indeed benefit from the use of a steel square. This tool, which goes by various names such as framing square or carpenter's square, is commonly employed in woodworking and construction due to its versatility. It consists of two arms that intersect at a right angle, giving it an L-shaped appearance. The longer arm is typically 24 inches long, while the shorter one measures around 16 inches. When it comes to the layout of a raised bed garden, employing a steel square ensures precise and accurate measurements. It proves invaluable in creating straight lines, right angles, and level surfaces, all of which are crucial for establishing a well-designed raised bed garden. By employing a steel square, you guarantee proper alignment and equal spacing of garden beds, resulting in a more organized and visually pleasing arrangement. Moreover, a steel square can also be utilized to verify squareness and levelness throughout the construction process. This proves especially useful when constructing the framework or structure of the raised bed garden, as it guarantees that all corners are perfectly square and that the height remains consistent. All in all, a steel square serves as an invaluable tool for planning and constructing a raised bed garden. It facilitates precise measurements, straight lines, and accurate angles, all of which contribute to a well-ordered and visually appealing garden space.

Q: How do you use a steel square to measure the height of a door opening?: To use a steel square to measure the height of a door opening, follow these steps: 1. Hold the steel square vertically against the side of the door opening, ensuring that the long side of the square is flush against the door frame. 2. Make sure the square is positioned in a way that one of its edges is aligned with the floor or any other reference point you wish to use as a starting point. 3. Slide the square upwards along the door frame until the other edge of the square reaches the top of the door opening. 4. Once the square is in position, look at the markings on the square's vertical edge. These markings indicate measurements in inches or centimeters. 5. Take note of the measurement where the top edge of the door opening aligns with the square. This measurement represents the height of the door opening. 6. Repeat the process on the opposite side of the door opening to ensure accuracy. If the measurements vary slightly, take the average of the two for a more precise result. Using a steel square to measure the height of a door opening is a simple and effective method that provides accurate measurements for various purposes, such as installing a new door or ordering a customized one.

Q: What are some common uses of a steel square in metalworking sculpture?: A steel square, also known as a framing square or a carpenter's square, is a versatile tool that is commonly used in metalworking sculpture for various purposes. Some of the common uses of a steel square in metalworking sculpture include: 1. Layout and marking: A steel square is an essential tool for marking and laying out precise measurements on metal sheets or other materials. It helps in creating straight lines, right angles, and accurate measurements, ensuring the proper alignment and symmetry of the sculpture. 2. Checking for squareness: Metalworking sculptures often require precise angles and right-angled corners. A steel square allows sculptors to check for squareness and ensure that all corners and edges are perfectly aligned, preventing any distortions or irregularities in the final piece. 3. Measuring and transferring dimensions: Metalworking sculptures require precise measurements for cutting, shaping, and joining various components. A steel square enables sculptors to measure and transfer dimensions accurately, ensuring the correct sizing and fit of different parts of the sculpture. 4. Creating miter cuts: Miter cuts, which are angled cuts made on the ends of metal pieces to create clean, tight joints, are a common technique in metalworking sculpture. A steel square aids in marking and cutting precise angles, allowing sculptors to achieve seamless connections between different metal elements. 5. Checking for flatness: A steel square can be used to check the flatness of metal surfaces, ensuring that they are level and even. This is particularly important when working with large metal sheets or when joining different components, as any unevenness can affect the overall stability and appearance of the sculpture. 6. Creating parallel lines: Parallel lines are often required in metalworking sculpture to achieve symmetry or to guide the placement of various elements. A steel square allows sculptors to easily create parallel lines, ensuring uniformity and balance in the design. Overall, a steel square is an indispensable tool in metalworking sculpture, helping artists and craftsmen achieve precision, accuracy, and consistency in their work.

Q: What is the history of steel squares?: Steel squares have a long and rich history, dating back to ancient times. The concept of a square tool for measuring right angles can be traced back to the ancient Egyptians and Mesopotamians. However, it was during the 18th and 19th centuries that steel squares as we know them today began to emerge. These squares were initially made from cast iron and gradually evolved into being made from steel, which provided increased durability and accuracy. They became an essential tool for carpenters, masons, and other craftsmen, enabling them to measure and mark right angles with precision. Over the years, steel squares have undergone technological advancements, such as incorporating additional measurements and features like protractors and scales. They continue to be widely used in various industries for layout work, framing, and woodworking. In summary, the history of steel squares is one of evolution and refinement, starting from ancient origins to becoming an indispensable tool for professionals across different trades.

Q: How do you use a steel square to determine the angle of a dado cut?: To use a steel square to determine the angle of a dado cut, you will need to follow a few simple steps. First, ensure that your steel square is clean and in good condition. It should have clear markings and a straight edge. Next, place the square against the edge of the material where you plan to make the dado cut. Make sure that the square is aligned properly and flush against the material. Then, adjust the square until the blade of the square is parallel to the surface of the material. This means that the blade should be perfectly horizontal or vertical, depending on the angle you want to measure. Once the square is aligned, look for the angle markings on the square. These markings are usually located on the blade or the body of the square. Read the angle measurement that corresponds to the alignment of the square. Finally, take note of the angle measurement you obtained from the steel square. This measurement will help you set up the appropriate angle on your saw or cutting tool to make the dado cut accurately. Remember to double-check your measurements and ensure that the square is properly aligned to get the most accurate angle measurement for your dado cut.

Q: Can a steel square be used for measuring miter cuts?: Certainly! A steel square is capable of measuring miter cuts. Referred to as a framing square or a carpenter's square, a steel square is a versatile tool suitable for various woodworking measurements and layout tasks. In terms of miter cuts, a steel square proves to be incredibly handy. By aligning the square's edge with the material to be cut and utilizing the angles indicated on the square, one can precisely measure and mark the desired miter angle on the workpiece. As a result, precise and consistent miter cuts are achievable, guaranteeing a neat and secure joint during assembly.

Q: Can a steel square be used for laying out roof rafters?: Laying out roof rafters can be achieved with the use of a steel square. This tool, also known as a framing square or carpenter's square, is highly versatile in carpentry and is capable of performing numerous tasks, including the laying out of roof rafters. It is composed of two arms positioned at a 90-degree angle, featuring engraved measurements and markings on its surface. To begin the process of laying out roof rafters with a steel square, the first step typically involves determining the pitch or slope of the roof. This can be accomplished through the consultation of building plans or with the aid of a pitch-finding tool. Once the pitch is established, the steel square can then be employed to mark the angles and measurements for each individual rafter. The steel square proves invaluable in marking the plumb cut and bird's mouth (notch) at the top end of each rafter, ensuring a proper fit and alignment. Additionally, it aids in establishing the length and angle cuts at the bottom end of each rafter, which will ultimately be attached to either the wall plate or ridge beam. All in all, the steel square represents a dependable and precise tool for laying out roof rafters, offering accurate measurements and angles that contribute to the successful installation of rafters.

Send your message to us

*Email

*TEL

*Quantity

*Unit