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: How do you use a steel square to lay out a stair stringer?: In order to lay out a stair stringer using a steel square, the following steps should be followed: 1. Collect the necessary tools: a steel square, a tape measure, a pencil, a framing square, and a saw. 2. Begin by determining the total rise of the stairs. Measure the vertical distance from the finished floor at the bottom to the finished floor at the top of the stairs. This measurement will establish the required number of risers. 3. Establish the desired height for each riser. Building codes generally mandate a riser height ranging from 6 to 8 inches. Divide the total rise by the desired riser height to calculate the number of risers needed. 4. Subsequently, ascertain the tread depth. Building codes typically demand a tread depth between 9 and 11 inches. Measure the horizontal distance between the finished floor at the bottom and the finished floor at the top of the stairs. Divide this measurement by the number of treads to determine the tread depth. 5. Position the framing square on the edge of the stringer, aligning the heel of the square with the bottom of the stringer and the blade with the tread depth measurement. Proceed to mark a line along the blade of the square. 6. Shift the square up to the top of the stringer, aligning the heel with the top and the blade with the riser height measurement. Proceed to mark a line along the blade of the square. 7. Connect the two lines marked on the stringer to outline the shape of the stringer. Utilize a straight edge to ensure the lines are straight and perpendicular. 8. Repeat this procedure for the desired number of stringers, usually two for a standard staircase. 9. Employ a saw to cut along the lines marked on the stringer, thereby creating the stair stringer. By adhering to these steps and utilizing a steel square, one can accurately lay out a stair stringer and guarantee the construction of a secure and properly aligned staircase.

Q: Can a steel square be used for fabricating metal parts?: Yes, a steel square can be used for fabricating metal parts. It is a versatile tool that provides accurate measurements, right angles, and straight lines, making it useful for layout work, marking, and checking dimensions while working on metal fabrication projects.

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 checking the flatness of a workbench?: No, a steel square is not the appropriate tool for checking the flatness of a workbench.

Q: How do you use a steel square to measure the height of a step?: To use a steel square to measure the height of a step, place the square's blade against the vertical face of the step and align the tongue with the horizontal top surface. Then, read the measurement on the blade where it meets the top surface to determine the step's height.

Q: Can a steel square be used for barn construction?: Yes, a steel square can be used for barn construction. Steel squares are versatile tools commonly used in carpentry and construction, including the framing and layout of barn structures. They provide accurate measurements, angles, and straight edges, making them suitable for various tasks involved in barn construction.

Q: What are the different techniques for using a steel square in metalworking projects?: Some of the different techniques for using a steel square in metalworking projects include measuring and marking angles, checking for squareness, drawing straight lines, and scribing parallel lines. It can also be used as a guide for cutting and shaping metal, as well as for checking the accuracy of right angles and ensuring precise measurements.

Q: How do you use a steel square to measure and mark irregular angles?: To use a steel square to measure and mark irregular angles, you need to follow a few steps. First, position the steel square against the angle you want to measure, making sure one edge of the square aligns with one side of the angle. Next, tighten the square against the angle by holding it firmly in place. Once the square is secure, look at the markings on the square's body. These markings typically include degrees or angles, allowing you to accurately measure the angle you are working with. Align the appropriate marking on the square with the other side of the angle, and take note of the measurement. To mark the irregular angle, you can use a pencil or a scribe tool. Hold the square against the angle, aligning the desired measurement with the other side of the angle. With the square in place, use the pencil or scribe tool to mark the angle on the material you are working with. Be sure to hold the square steady while marking to ensure accuracy. If the angle you are working with is particularly complex or irregular, you may need to use additional tools or techniques to accurately measure and mark it. In such cases, consulting a professional or referring to specific resources for measuring irregular angles can be helpful.

Q: How do you use a steel square to create bevel cuts?: To use a steel square to create bevel cuts, you will need to follow the steps below: 1. Start by selecting the desired angle for your bevel cut. Measure and mark this angle on the edge of the material you want to cut. 2. Place the steel square on the material, aligning one edge of the square with the marked angle. Ensure that the square is securely held in place. 3. Using a pencil or a scribe, trace along the other edge of the square, creating a line that represents the bevel cut. 4. Once the line is marked, you can proceed to cut the material using a saw. It is important to ensure that the saw blade aligns with the marked line as accurately as possible. 5. Begin cutting the material, following the marked line and maintaining a steady hand. Take your time and make sure to keep the saw blade aligned with the line throughout the cutting process. 6. Once the cut is complete, double-check the angle to ensure it meets your desired specifications. If needed, you can make adjustments by repeating the process or using other tools such as a file or sandpaper to refine the bevel cut. Remember to always prioritize safety when using any cutting tools, wear appropriate protective gear such as goggles and gloves, and work in a well-ventilated area.

Q: Can a steel square be used for stair layout?: Stair layout can indeed be accomplished using a steel square. This multipurpose tool, also referred to as a framing square or carpenter's square, is commonly employed by builders and carpenters for various layout tasks, including stair layout. Comprised of two arms, with one being longer than the other and meeting at a 90-degree angle, a steel square offers versatility. The longer arm is typically equipped with measurements and markings that facilitate precise measuring and marking of stair components such as risers, tread lengths, and angles. By skillfully utilizing the diverse features and angles of a steel square, carpenters can effortlessly undertake the layout and construction of stairs with utmost precision and accuracy.

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