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: What are the different ways to read measurements on a steel square?: There are several ways to read measurements on a steel square. One common method is to use the markings on the blade and tongue of the square, which indicate inches or centimeters. Another way is to align the square with a ruler or tape measure to find the exact measurement. Additionally, some steel squares have built-in scales or protractors that allow for more precise readings.

Q: What are the different techniques for using a steel square in metalworking welding?: There are several techniques for using a steel square in metalworking welding. One common technique is using the steel square as a guide for making accurate right-angle cuts. The square can be placed against the metal surface and used as a reference to guide the cutting tool, ensuring precise and straight cuts. Another technique is using the steel square as a measuring tool. The square has markings and measurements on its blade, which can be used to measure and mark accurate dimensions on the metal surface. This is particularly useful when fabricating or fitting metal pieces together. The steel square can also be used as a guide for welding joints at right angles. By positioning the square on the metal surface, it can serve as a reference for aligning the welding torch or electrode, ensuring that the weld is performed evenly and at the desired angle. In addition, the steel square can be utilized for checking the squareness and flatness of welded joints. By placing the square against the welded joint, any deviations from a true right angle can be identified and corrected. Similarly, the square can be used to check the flatness of a metal surface, ensuring that it is even and free from any imperfections. Overall, the steel square is a versatile tool in metalworking welding, serving as a guide for accurate cuts, measurements, alignment, and quality control. Its precise design and functionality make it an essential tool for welders who strive for precision and accuracy in their work.

Q: How do you use a steel square to measure and mark 258.75-degree angles?: To use a steel square to measure and mark a 258.75-degree angle, you would align the long side of the square with the reference line or edge. Next, locate the degree markings on the square's blade and place the square on the reference line accordingly. Look for the closest degree marking to 258.75 degrees and mark the angle using a pencil or any appropriate marking tool.

Q: What are the different techniques for using a steel square in metal fabrication?: There are several techniques for using a steel square in metal fabrication. Some common techniques include measuring and marking angles, checking for squareness, and laying out or transferring measurements accurately. The steel square can be used to measure and mark precise angles by aligning it with the workpiece and drawing lines accordingly. It can also be used to check for squareness by comparing the perpendicularity of different edges or corners. Additionally, the steel square is useful for laying out or transferring measurements accurately by using its straight edges and right angles as reference points. Overall, the steel square is a versatile tool that aids in achieving accuracy and precision in metal fabrication processes.

Q: Can a steel square be used for precision measuring?: Yes, a steel square can be used for precision measuring. A steel square, also known as a combination square, is a versatile measuring tool that is commonly used in woodworking and metalworking. It consists of a steel blade and a steel head, which can be adjusted and locked at various angles to accurately measure and mark materials. Steel squares are designed to be accurate and reliable, with clear markings and precise measurements. They can be used for a variety of measurements, such as determining right angles, measuring and marking 45-degree angles, checking the flatness of surfaces, and transferring measurements. The steel construction ensures durability and stability, making it suitable for precise measurements over extended periods of time. However, it is important to note that while steel squares can provide precise measurements, they have their limitations. They may not be suitable for measuring extremely small dimensions or for highly sensitive measurements that require specialized tools. In such cases, more precise measuring instruments, such as micrometers or calipers, may be required. Nonetheless, for most general precision measuring tasks, a steel square can be a reliable and accurate tool.

Q: Can a steel square be used for deck stair layout and construction?: Yes, a steel square can definitely be used for deck stair layout and construction. Steel squares are versatile tools that can be used to accurately measure and mark angles, lengths, and dimensions, making them suitable for laying out and constructing deck stairs. They provide precise measurements and angles, ensuring that the stairs are built correctly and safely.

Q: The joiner board is fixed on the square on how: With self tapping screws, that is, with drill screws, building materials market can buy. Electric screwdriver, you can put the wood board through self tapping screws into the steel. But attention should be paid to buy the self tapping screw length, short patch does not live too long into the square, too much is not good.

Q: What are the common materials used to make a steel square?: The common materials used to make a steel square are typically stainless steel, carbon steel, or tool steel. These materials are chosen for their strength, durability, and resistance to corrosion. Stainless steel is often preferred as it offers excellent resistance to rust and staining, making it ideal for outdoor use or in humid environments. Carbon steel is another commonly used material for steel squares due to its affordability and high tensile strength. Tool steel, which is a high-carbon alloy steel, is often used in specialized squares designed for precision measurements and heavy-duty applications. Overall, the choice of material depends on the intended use and the specific requirements of the steel square.

Q: Can a steel square be used for measuring angles in welding?: Yes, a steel square can be used for measuring angles in welding. A steel square is typically L-shaped and has a 90-degree angle, making it an appropriate tool to measure and verify right angles in welding. It can be used to ensure accuracy and precision when welding joints and corners.

Q: Can a steel square be used for measuring angles in sheet metal work?: In sheet metal work, a steel square is a valuable tool for measuring angles. This versatile tool, also referred to as a framing square or a carpenter's square, can be utilized for various measurements and layout tasks. The steel square features a ruler or blade that is perpendicular to the handle, enabling accurate measurements and marking of angles. To determine the angle, simply position the square against the sheet metal and align the edges of the square with the desired angle. This efficient method makes the steel square a dependable and practical tool for measuring angles in sheet metal work.

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