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: How do you use a steel square to measure and mark out compound cuts?: To use a steel square to measure and mark out compound cuts, you will need to follow a few steps: 1. Understand the concept of compound cuts: Compound cuts involve making both angled and beveled cuts simultaneously on a workpiece, usually at different angles. This requires precise measurements and marking. 2. Choose the correct steel square: A steel square is a versatile measuring tool with a 90-degree angle. It typically consists of two arms: a shorter one called the tongue and a longer one called the blade. Select a steel square that is appropriate for your project and has clear markings for accurate measurements. 3. Measure the angles: Begin by determining the angles at which you need to make the compound cuts. Use the tongue of the steel square as a reference to measure the desired angles. Align the tongue with one edge of the workpiece and adjust the blade until it matches the desired angle. Take note of the angle readings on the steel square. 4. Mark the workpiece: Once you have determined the angles, use the steel square to mark the workpiece accordingly. Position the steel square on the workpiece, aligning the blade with one edge. Use a pencil or a scribe to mark the line along the blade. Repeat this process for each compound cut you need to make. 5. Transfer the marks: After marking the first cut on the workpiece, use the steel square to transfer the marks to other surfaces that need to be cut. Align the blade with the marked line and extend the mark onto the adjacent surface. 6. Double-check measurements: Before proceeding with cutting, double-check your measurements and marks to ensure accuracy. Use a protractor or angle gauge to verify the angles and make any necessary adjustments. 7. Cut the workpiece: With the measurements and marks in place, proceed to make the compound cuts on your workpiece using appropriate tools such as a saw or a miter saw. Follow the marked lines carefully to achieve the desired compound cuts. Remember, practice and precision are key when using a steel square to measure and mark out compound cuts. With experience, you will become more proficient in accurately measuring and marking complex angles for compound cuts.

Q: What are the markings on a steel square used for?: The markings on a steel square serve multiple purposes in carpentry and other construction-related tasks. They play a crucial role in accurately measuring and marking angles, distances, and dimensions when working with wood, metal, or other materials. The graduations along the edges are the most commonly seen markings on a steel square. These graduations, usually in inches, centimeters, or both, are used to measure lengths and distances. They allow carpenters to swiftly and precisely determine the dimensions of a material or the space between two points. Aside from the graduations, a steel square also features markings for measuring angles. The most significant angle markings are the 45-degree and 90-degree angles. These angles are essential for creating accurate right angles and bevels, which are vital in constructing symmetrical and square structures. Additionally, a steel square often incorporates a protractor scale. This scale enables the measurement and marking of angles other than 45 and 90 degrees. This feature proves particularly beneficial when working on projects that necessitate specific angles, such as roof structures or staircases. Certain steel squares may even possess extra markings like rafter tables or conversion charts. These markings provide precise measurements and calculations for various construction tasks, saving time and reducing the need for manual computations. All in all, the markings on a steel square function as a versatile and dependable tool for carpenters and builders. They facilitate accurate measurements, precise angle marking, and efficient calculations, making the steel square an indispensable tool in construction projects.

Q: How do you use a steel square to check for plumbness in a post?: To use a steel square to check for plumbness in a post, you would hold the square against the side of the post, ensuring that the 90-degree angle of the square is flush with the side. Then, align the vertical edge of the square with the top edge of the post. If the post is plumb, the square's vertical edge will be perfectly aligned with the post's vertical edge. If there is any deviation, it indicates that the post is not plumb and adjustments need to be made.

Q: How do you use a steel square to determine the angle of a spindle sanding cut?: To use a steel square to determine the angle of a spindle sanding cut, you can place the square against the spindle and adjust it until it is parallel to the angle you want to achieve. Once the square is aligned, you can use it as a guide to position the workpiece or the sanding tool accurately at the desired angle for the cut.

Q: Can a steel square be used for stair-building projects?: Certainly! A steel square is capable of being utilized in stair-building endeavors. Commonly known as a framing square or carpenter's square, this versatile tool is frequently employed in woodworking and construction undertakings. With its 90-degree angle, it is ideal for measuring and delineating right angles, a crucial element in stair construction. By means of a steel square, one can assess the precision of cuts and angles, guarantee the proper positioning of stringers and treads, and confirm the levelness and stability of the stair framework. This enduring and dependable instrument is applicable for both residential and commercial stair-building ventures.

Q: What are the common materials used to make a steel square?: Stainless steel, carbon steel, and tool steel are the primary materials typically employed in the production of a steel square. These materials are selected for their robustness, longevity, and resistance to corrosion. For outdoor or humid settings, stainless steel is often the preferred option owing to its exceptional resistance to rust and staining. Carbon steel, on the other hand, is frequently utilized in steel squares due to its affordability and superior tensile strength. For precise measurements and heavy-duty applications, tool steel, an alloy steel with high carbon content, is commonly implemented. Ultimately, the selection of material hinges upon the intended purpose and the specific requisites of the steel square.

Q: Can a steel square be used for checking the squareness of a drill press table?: No, a steel square is not suitable for checking the squareness of a drill press table. It is designed for measuring and marking right angles, but it does not provide the necessary accuracy and precision required for checking the squareness of a drill press table. A specialized tool such as a precision square or a machinist's square should be used for this purpose.

Q: Can a steel square be used for measuring the width of a door frame?: Indeed, one can employ a steel square to gauge the breadth of a door frame. The steel square, a multifunctional measuring instrument frequently utilized in carpentry and construction endeavors, encompasses a level metal blade accompanied by a perpendicular handle, thus forming a right angle. By situating the blade of the steel square against the internal perimeters of the door frame, one can obtain an exact measurement of the width. The right angle of the square serves to guarantee a perpendicular and accurate measurement.

Q: Can a steel square be used for laying out a garden bed?: Yes, a steel square can be used for laying out a garden bed. A steel square is a versatile tool that can be used for measuring and marking right angles, which is essential for creating straight and precise garden bed borders. Whether you are planning to create a rectangular or square garden bed, a steel square can help ensure that the corners are perfectly aligned. Additionally, the straight edge of the steel square can be used as a guide for creating straight lines and edges for your garden bed. Overall, using a steel square can help you achieve neat and symmetrical garden beds.

Q: What are the different techniques for using a steel square in woodworking joinery?: There are several techniques for using a steel square in woodworking joinery. One common technique is using it as a measurement tool to ensure accurate and precise cuts and angles. The square can be used to mark and measure straight lines, check for squareness, and mark angles for various joints such as mitered or dovetailed joints. Additionally, the steel square can be used as a guide for making straight cuts by aligning the square's edge with the material being cut. Overall, the steel square is a versatile and essential tool in woodworking joinery for achieving precise and well-fitted joints.

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