Hot-rolled Square Steel Bar

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Loading Port:: Tianjin 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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There are two types of Square Bar, one is hot rolled square bar and other one is cold drawn square bar. Our principal products is hot rolled square bar. We dedicate to products with material Q195 and Q235. We offer products with high quality and low price.

Specifications of Hot-rolled Square Steel Bar:

-Standard: GB,

-Grade: Q195/Q235 or equivalent.

-Chemical Composition:

Standard	Grade	Element (%)
Standard	Grade	C	Mn	S	P	Si
GB	Q195	0.06~0.12	0.25~0.50	≤0.050	≤0.045	≤0.30
GB	Q235B	0.12~0.20	0.30~0.70	≤0.045	≤0.045	≤0.30

-Mechanical Properties:

Mechanical Properties	Grade	Steel diameter（mm）
Mechanical Properties	Grade	≤16	16~40	40~60	60~100
Yield Point Δs/MPa	Q195	≥195	≥185	-	-
Yield Point Δs/MPa	Q235	235	225	215	205
Tensile Strength	Q195	315~390
Tensile Strength	Q235	375~500
Elongation δ5%	Q195	≥33	≥32	-	-
Elongation δ5%	Q235	26	25	24	23

Measures of Hot-rolled Square Steel Bar (Big measures):

Section of Square Bar.

(Section of Hot-rolled Square Steel Bar)

-Length of a side and Theoretical weight of Square Bar (Big measures).

Length of a side(mm)	Theoretical weight(kg/m)	Length of a side(mm)	Theoretical weight(kg/m)
53	22.05	80	50.24
56	24.61	85	56.72
60	28.26	90	63.59
63	31.16	95	70.85
70	38.49	100	78.50
75	44.16

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 Steel 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 Steel Bar:

-Packing Detail:

1, The products can be packed in bundles by steel wires.

2, The weight of each bundle no exceed normally 3 tons.

-Marks: We make tag marks and color marks for each bundle. The tag marks with white background and red company log will be tied up to each bundle. The information is usually including basic information of company and products like product name, specification, etc...and other information required by customers. As for color marks, we will paint both ends of each bundles to make sure that it will be more convenient for customers to distinguish theme from other products.

-Delivery Detail: 30~45 working days after receive buyer’s T.T. or L/C.

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.

-The payment terms will be written in contraction detailedly.

Photos of Hot-rolled Square Steel Bar:

Square Bar.

We sincerely welcome partners around the world to establish business cooperation with us on the basis of mutual trust, benefit and development.

Q: Can a steel square be used for checking the flatness of a surface?: Checking the flatness of a surface cannot be done using a steel square. A steel square, also referred to as a framing square or carpenter's square, is primarily designed for measuring right angles and ensuring squareness in woodworking and construction projects. It comprises a metal blade with a handle forming an L-shape. To assess the flatness of a surface, a different tool is necessary. A commonly employed tool for this purpose is a straightedge. A straightedge is a lengthy, flat, and rigid object that can be positioned on a surface to determine its flatness. It can be crafted from various materials such as metal, wood, or plastic. When examining the flatness of a surface, the straightedge is placed in multiple positions across it, and any gaps or inconsistencies between the straightedge and the surface are observed. If there is rocking or visible gaps, it indicates that the surface is not flat. Therefore, although a steel square serves various functions, it is unsuitable for checking the flatness of a surface. A straightedge is the appropriate tool to use in this case.

Q: How do you use a steel square to lay out a common rafter?: To use a steel square to lay out a common rafter, you would first determine the desired pitch and span of the roof. Then, using the measurements, you would locate the corresponding values on the steel square's body and tongue. Next, you would align the square's body along the rafter stock and mark the plumb and seat cuts based on the measurements indicated on the square. Finally, you would transfer those marks onto the rafter stock and cut accordingly to create the common rafter.

Q: Can a steel square be used for checking the squareness of a bandsaw blade?: No, a steel square cannot be used for checking the squareness of a bandsaw blade. While a steel square is commonly used for checking the squareness of other tools, such as table saw blades or miter saw fences, it is not suitable for checking the squareness of a bandsaw blade. Bandsaw blades have a unique shape and configuration, with teeth and a curved blade, which makes it difficult to accurately measure their squareness using a steel square. Additionally, the steel square is designed to check the squareness of flat surfaces, whereas bandsaw blades have a curved shape. To check the squareness of a bandsaw blade, it is best to use a specialized tool designed for this purpose, such as a bandsaw blade square or a dial indicator. These tools are specifically designed to measure the squareness of bandsaw blades accurately. They provide a more precise and reliable measurement, ensuring that the blade is properly aligned for accurate cutting.

Q: How do you use a steel square to determine the correct angle for a bevel cut?: To use a steel square to determine the correct angle for a bevel cut, you align the long edge of the square with the edge of the material you want to cut. Then, you adjust the square until the desired angle is achieved. Once the square is in position, you can mark the angle on the material to guide your bevel cut.

Q: How do you choose the right size of a steel square?: When it comes to selecting the appropriate size for a steel square, several factors should be taken into account. To begin with, the nature of the task or project that the square will be utilized for must be considered. By determining the dimensions of the material at hand and the measurements that need to be taken, you can get a sense of the minimum size that might be necessary. In addition, your own comfort and ease of use should be factored in. Although a larger square may offer increased stability and accuracy, it can also be heavier and more challenging to handle. If you anticipate utilizing the square for extended periods or in confined spaces, a smaller size may be more suitable. Moreover, the level of precision and accuracy required should be contemplated. Smaller squares are generally more precise and well-suited for intricate tasks, while larger squares excel in general layout and framing endeavors. Lastly, your budget and the range of options available should be taken into consideration. Steel squares are available in various sizes, and the cost varies accordingly. Striking a balance between your needs and affordability is crucial. Ultimately, the most appropriate size for a steel square will depend on the specific requirements of your project, your personal comfort, and the level of accuracy necessitated. By taking these factors into account, you can make an informed decision and select the size that best suits your needs.

Q: Can a steel square be used for checking the alignment of a jointer table?: Certainly, a steel square has the capability to verify the alignment of a jointer table. This tool, known for its versatility, serves multiple purposes in woodworking, one of which is assessing the alignment of machinery. To evaluate the jointer table's alignment, simply position the steel square against both the fence and table of the jointer, ensuring absolute perpendicularity. This step will enable you to ascertain whether the jointer table is correctly aligned or necessitates adjustments. It is crucial to employ a top-notch steel square that guarantees precision and dependability for accurate outcomes.

Q: Can a steel square be used for deck construction?: Yes, a steel square can be used for deck construction. Steel squares, also known as framing squares or rafter squares, are versatile tools commonly used by carpenters in construction projects, including deck building. They are typically made of steel and have markings and measurements that help with layout and angle calculations. Steel squares can be used to measure and mark cuts, check for squareness, and lay out the framing components of a deck, such as joists, beams, and posts. They are durable and provide accurate measurements, making them a suitable choice for deck construction.

Q: Can a steel square be used for setting up a miter saw?: Certainly! A miter saw can utilize a steel square for its setup. Known as a try square or carpenter's square, a steel square is a versatile tool that serves various woodworking purposes, including the setup of a miter saw. In setting up a miter saw, the steel square guarantees accuracy and alignment of the cutting angle. By positioning the square against the saw's fence and blade, it aids in determining if the blade is perpendicular to the fence. Moreover, the square assists in verifying the proper alignment of the miter gauge for precise angle cuts. In summary, a steel square plays a vital role in configuring a miter saw, ensuring precision and cleanliness in the cuts made.

Q: How do you use a steel square to measure the height of a bookshelf?: To measure the height of a bookshelf with a steel square, follow these steps: 1. Vertically position the steel square against the side of the bookshelf, ensuring it is straight and aligned with the shelf's edge. 2. Securely hold the steel square against the side of the shelf, ensuring it remains stationary throughout the measurement process. 3. Extend the steel blade of the square upward until it reaches the highest point of the bookshelf. 4. Observe the measurement markings on the blade of the steel square, starting from the bottom, to determine the bookshelf's height. Read the measurement where the top of the bookshelf aligns with the blade. 5. Make a note of the measurement or record it for future reference. Using a steel square offers precise measurements due to its straight edge and reliable nature as a tool for accurately gauging height. It is crucial to maintain a steady grip on the square against the bookshelf to avoid any potential errors or inaccuracies.

Q: 25-30mm drill pipe steel, to drill a lot, need what equipment: purposeApplicable to steel structure, shipbuilding, equipment manufacturing, equipment installation, bridge engineering, wind power generation, oil drilling platform, power construction, railway manufacturing and other fields.

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