hor rolled steel billet

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Loading Port:: China Main Port

Payment Terms:: TT OR LC

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Product Description:

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:

Q: Can a steel square be used for checking the squareness of a jointer fence?: No, a steel square cannot be used for checking the squareness of a jointer fence. A jointer fence is typically made of cast iron, and using a steel square would not provide accurate results. It is recommended to use a precision square that matches the material of the jointer fence, such as a cast iron square, to ensure precise and accurate measurements. Using the correct tool for the job is essential to achieve a properly squared jointer fence, which is crucial for accurate and precise woodworking.

Q: How do you use a steel square to determine the length of a stair stringer?: In order to determine the length of a stair stringer using a steel square, there are a few steps that need to be followed: 1. Begin by accurately measuring the total rise of the stairs, which is the vertical distance from the top of the landing to the ground or lower landing. This measurement is crucial for calculating the stringer's length. 2. Next, measure the total run, which is the horizontal distance covered by the stairs. This measurement should be taken from the edge of the upper landing to the edge of the lower landing or the ground. Precision is important for obtaining accurate results. 3. Once you have obtained both the rise and run measurements, utilize the steel square to compute the stringer's length. Place the square on a flat surface and firmly position the blade (long side) against the edge. 4. Align the tongue (short side) of the square with the bottom edge of the stringer material, ensuring that the blade extends beyond the top edge of the stringer. 5. Using the rise measurement, mark the appropriate point along the run measurement on the blade of the square. For example, if the rise is 7 inches and the run is 10 inches, mark the blade at the 7-inch point from the edge. 6. Carefully remove the square from the stringer material and draw a straight line from the bottom corner of the stringer to the marked point on the blade. This line represents the length of the stringer. 7. If applicable, repeat this process for the opposite side of the stringer to achieve symmetry. By following these steps and correctly utilizing a steel square, one can accurately determine the length of a stair stringer. Remember to double-check measurements and calculations to ensure the stairs' safety and stability.

Q: The difference between cold and hot galvanized steel hollow where: Hot rolling process is: the ingot directly into square tube, and then galvanized, also known as seamless pipe.Usually than cold-rolled steel hot-rolled square steel prices high.

Q: Can a steel square be used for creating perpendicular lines?: A steel square, which is also referred to as a framing square or carpenter's square, is capable of being utilized in the creation of perpendicular lines. In the realm of carpentry and woodworking, a steel square proves to be a versatile tool. This tool comprises of a long arm and a shorter arm, both of which converge at a precise 90-degree angle. The presence of this 90-degree angle renders it ideal for the formation of perpendicular lines. By aligning one side of the square with an existing line or surface, the other side can be employed as a guide to accurately draw a line that is perpendicular to the initial one. The steel square, being dependable and precise, acts as an essential tool for any woodworking or construction undertaking in order to ensure that lines are flawlessly perpendicular.

Q: What are some common uses for a steel square in cabinet making?: A steel square, also known as a combination square, is a versatile tool that finds various applications in cabinet making. Here are some common uses for a steel square in cabinet making: 1. Measuring and marking: A steel square is ideal for measuring and marking straight lines, right angles, and other angles accurately. It helps in ensuring precise dimensions for cabinet components like shelves, doors, and panels. 2. Checking for squareness: Cabinet construction requires accurate right angles to ensure the proper alignment and stability of the structure. A steel square is used to check if corners and joints are perfectly square, allowing for adjustments if necessary. 3. Layouts and cuttings: The steel square is helpful in laying out and marking cut lines on materials such as plywood or lumber. It aids in establishing accurate reference points for cutting cabinet parts, ensuring they fit together seamlessly. 4. Marking out joinery: Joinery techniques like dovetail, mortise and tenon, or box joints require precise measurements and markings. A steel square assists in marking out these joints accurately, resulting in strong and well-fitted connections. 5. Positioning hardware: Steel squares can be utilized for positioning hardware such as hinges, drawer slides, or handles. By aligning the square with the cabinet's edges and corners, it helps in ensuring consistent and proper placement of hardware elements. 6. Checking for flatness: A steel square can be used to verify the flatness of cabinet surfaces, such as tabletops or cabinet doors. By placing the square against the surface, any gaps or irregularities can be detected, allowing for adjustments or corrections. Overall, a steel square is an indispensable tool in cabinet making. Its ability to measure, mark, check for squareness, and aid in various layout tasks makes it an essential companion for cabinet makers, ensuring precision and accuracy in their work.

Q: How accurate are steel squares in measuring angles?: Known for their high accuracy in measuring angles, steel squares are typically crafted with precision and designed to deliver precise measurements. Widely utilized in the construction and woodworking industries, where precision is of utmost importance, these squares boast a steel construction that guarantees durability and stability, thereby enabling consistent and reliable angle measurements. Nevertheless, it is crucial to acknowledge that factors such as user technique and the square's condition can impact the accuracy of steel squares. Therefore, regular maintenance and calibration are advised to uphold their accuracy over time. All in all, steel squares prove to be exceptionally accurate tools for measuring angles when utilized correctly and maintained in good condition.

Q: Can a steel square be used for checking the alignment of a door frame?: Yes, a steel square can be used for checking the alignment of a door frame. A steel square, also known as a framing square or carpenter's square, is a versatile tool that is commonly used in carpentry and woodworking. It consists of a long arm, called the blade, and a shorter arm, called the tongue, joined at a 90-degree angle. To check the alignment of a door frame, the steel square can be placed against the edges of the frame to ensure that they are perfectly perpendicular to each other. This is important for ensuring that the door will fit properly and function smoothly. Additionally, a steel square can be used to check other aspects of the door frame alignment, such as the corners being square. By placing the square in the corners of the frame, you can easily determine if they are properly aligned or if any adjustments are needed. Overall, a steel square is a reliable and commonly used tool for checking the alignment of a door frame and ensuring that it is installed correctly.

Q: How do you use a steel square to mark out parallel lines on curved surfaces?: To use a steel square to mark out parallel lines on curved surfaces, you will need to follow a few steps: 1. Choose the appropriate size steel square for your project. The size of the steel square will depend on the scale and curvature of the surface you are working with. 2. Place the steel square against the curved surface, ensuring that one edge of the square aligns with the desired starting point of the parallel line. 3. Use a pencil or marker to trace along the other edge of the steel square, marking the first parallel line. 4. Slide the steel square along the curved surface, aligning the marked line with the desired distance for the parallel lines. 5. Repeat the process of tracing along the other edge of the steel square, marking each parallel line at the desired distance. 6. Continue sliding and marking the steel square along the curved surface until you have marked out all the parallel lines you need. It's important to note that when working with curved surfaces, the parallel lines may not be perfectly straight due to the curvature. However, using a steel square will help you maintain a consistent distance between the lines, creating a visually pleasing and accurate result.

Q: Can a steel square be used for door and window installation?: Door and window installation can benefit from the use of a steel square. This versatile tool, also called a framing square, is commonly employed in construction and carpentry work. Its primary purpose is to aid in the creation of right angles and accurate length measurements. Proper alignment and squareness are crucial when installing doors and windows. A steel square can be utilized to verify the corners and angles, ensuring that the door or window is level and plumb. It can also be used to mark and measure distances for precise installation. The durability and strength of a steel square make it an ideal tool for this task. It can withstand the pressure and weight of the door or window, providing stability during installation. Additionally, its metal composition prevents warping or bending, guaranteeing reliable and precise measurements. To sum up, a steel square is an effective tool for door and window installation. It excels at creating right angles, measuring accurately, and withstanding the demands of the job. With its assistance, a professional and precise installation can be achieved.

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