Hot Rolled Square Steel Bar Q235, SAE1020, SAE1045

Hot Rolled Square Steel Bar Q235, SAE1020, SAE1045 System 1

Hot Rolled Square Steel Bar Q235, SAE1020, SAE1045

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Loading Port:: Shanghai

Payment Terms:: TT or LC

Min Order Qty:: 25 m.t.

Supply Capability:: 200000 m.t./month

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Product Description:

Specifications of High Quality Square Steel Bar Q235, SAE1020:

-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:

(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

Packaging & Delivery of Hot Rolled Square Steel Bar Q235, SAE1020, SAE1045:

-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.

Hot Rolled Square Steel Bar Q235, SAE1020, SAE1045

FAQ:

Q1: How soon can we receive the product after purchase?

A1: Within three days of placing an order, we will begin production. The specific shipping date is dependent upon international and government factors, but is typically 7 to 10 workdays.

Q2: The products are invoicing on theoritical weight or on actual weight?

A2: We can do it in both manners, according to the customers' request.

Q3: How do we guarantee the quality of our products?

A3: We have established an advanced quality management system which conducts strict quality tests at every step, from raw materials to the final product. At the same time, we provide extensive follow-up service assurances as required.

Q:How do you use a steel square to determine the angle of a spindle sanding cut?: Follow these steps to determine the angle of a spindle sanding cut using a steel square: 1. Position the steel square against the edge of a flat surface, like a workbench. 2. Align the leg of the steel square with the spindle sander. 3. Adjust the cutting angle of the spindle sander to your preference. This can be done by loosening the angle adjustment knob or lever and tilting it until it aligns with the steel square's leg. 4. Once the spindle sander is aligned, secure the desired cutting angle by tightening the angle adjustment knob or lever. 5. Use the steel square as a reference point to check if the spindle sander is at the correct angle for your sanding cut. Place the edge of the steel square against the spindle sander and visually confirm if the sander's angle aligns with the leg of the square. By utilizing a steel square in this manner, you can guarantee that your spindle sander is accurately set at the desired angle for consistent and precise sanding cuts.

Q:How do you use a steel square to measure and mark 157.5-degree angles?: In order to measure and mark a 157.5-degree angle using a steel square, the following steps can be followed: 1. Begin by aligning the short side of the steel square with the desired material or surface's edge where the angle needs to be marked. 2. Rotate the square until the long side is aligned with one of the reference points or edges on the material. This reference point can either be an existing line or a corner. 3. Identify the 45-degree angle on the steel square, typically indicated by a small notch or line. 4. Proceed by adding another 45 degrees in the same direction from the 45-degree angle. This will result in a 90-degree angle. 5. Continue by adding another 45 degrees in the same direction from the 90-degree angle. This will result in a 135-degree angle. 6. Lastly, add another 22.5 degrees in the same direction from the 135-degree angle, bringing the total to 157.5 degrees. 7. With the steel square properly positioned, create a small mark or draw a line to indicate the desired 157.5-degree angle. It is important to keep in mind that steel squares typically have limited degree markings, usually up to 45 degrees or 90 degrees. For measuring angles beyond these limits, multiple angles or other measuring tools like a protractor or bevel gauge must be utilized.

Q:How do you use a steel square to check for squareness?: Typically, when checking for squareness using a steel square, the following steps are followed: 1. Ensure that the steel square is securely and evenly placed on a flat surface, such as a workbench or table. 2. Align one edge of the steel square with the surface you want to assess for squareness. This could be the edge of a wooden piece, a wall, or any other object that should ideally form a perfect 90-degree angle. 3. Examine the corner where the two edges of the steel square intersect. If the object you are evaluating is square, the two edges should create a flawless 90-degree angle. 4. To guarantee accuracy, you may utilize a measuring tape or ruler to measure the distance between the two edges of the steel square at various points along the edges. If the object is square, the measurements should be equal. 5. Repeat these steps on different sides or corners of the object to ensure overall squareness. If the steel square consistently exhibits a perfect 90-degree angle, then the object is square. It is essential to note that while a steel square is a trustworthy tool for assessing squareness, it is vital to have a flat and even surface to obtain accurate results. Additionally, some steel squares may include additional features, such as a level or a lip, which can provide further assistance in checking for squareness.

Q:Can a steel square be used for deck railing installation?: Certainly! Deck railing installation can indeed make use of a steel square. This multipurpose tool, known as a steel square, is highly adaptable and finds utility in a wide range of construction and carpentry tasks. One such task is the installation of deck railings. Thanks to its straight edges and right-angle corners, the steel square becomes an invaluable aid in accurately measuring and marking precise angles. This ensures that the railing is aligned and level as it should be. Moreover, the steel square's durability and strength make it perfectly suited for withstanding the forces and weight that deck railings must bear. However, it is worth mentioning that a complete and secure installation may require the use of other tools and materials, including screws, brackets, and a drill.

Q:Can a steel square be used for cabinet-making projects?: Yes, a steel square can be used for cabinet-making projects. A steel square, also known as a framing square or a carpenter's square, is a versatile tool commonly used in woodworking. It has a 90-degree angle and is often used to check and mark right angles, measure and mark straight lines, and ensure accuracy during the construction of cabinets or other woodworking projects. The steel square is durable, precise, and can be a reliable tool for cabinet-making tasks such as measuring and marking lumber, checking the squareness of joints, or verifying the alignment of cabinet components. However, it is important to note that there are also specialized squares specifically designed for cabinet-making, such as cabinetmaker's squares or combination squares, which may offer additional features or benefits specific to cabinet-making tasks.

Q:Can a steel square be used for window installation?: Yes, a steel square can be used for window installation. A steel square, also known as a framing square, is a versatile tool commonly used by carpenters and construction professionals. While it is primarily used for measuring and marking right angles, it can also be used to ensure accurate window installation. When installing windows, it is essential to ensure that the window frame is perfectly square to prevent any issues with operation and sealing. By using a steel square, one can easily check the corners of the window frame to ensure they are at perfect right angles. This helps to ensure that the window will fit properly and function correctly once installed. Additionally, a steel square can also be used to mark and measure the dimensions of the window opening accurately. This is crucial for determining the size of the window and making necessary adjustments during the installation process. The straight edges and angles of the steel square provide a reliable reference point for precise measurements. In conclusion, a steel square is a useful tool that can be effectively utilized for window installation. Its ability to measure and mark right angles accurately makes it an essential tool for ensuring the proper fit and functionality of windows in any construction or renovation project.

Q:What are the different types of steel squares used in metalworking?: In metalworking, steel squares are essential tools used for measuring, marking, and checking right angles in various applications. There are several types of steel squares commonly used in metalworking, each with its own specific features and advantages. 1. Engineer's Square: This type of square is the most commonly used in metalworking. It typically has a blade that is longer than its beam, allowing for easier measurement of larger workpieces. Engineer's squares are known for their accuracy and are ideal for general layout work. 2. Machinist's Square: Machinist's squares are precision tools used for extremely accurate measurements. They have a hardened blade and a heavier construction than engineer's squares, providing improved stability and accuracy. Machinist's squares are commonly used for setup and alignment tasks. 3. Combination Square: Combination squares are versatile tools that combine a square, level, and protractor in one device. They usually consist of a steel rule with a sliding head that can be locked at different angles. Combination squares are useful for measuring, marking, and checking angles, as well as for setting depths and heights. 4. Try Square: Try squares, also known as tri-squares, have a shorter blade and beam than engineer's squares. They are primarily used for checking and marking right angles on smaller workpieces, such as woodworking projects. Try squares are lightweight and easy to handle. 5. Miter Square: Miter squares are specialized squares used for accurately marking and cutting angles for miter joints. They have adjustable blades that can be set at different angles. Miter squares are commonly used in woodworking and carpentry, but they can also be useful in metalworking when precise angled cuts are required. These are just a few examples of the different types of steel squares used in metalworking. Each square serves a specific purpose, providing metalworkers with the necessary tools to ensure accurate measurements, precise marking, and the creation of well-aligned structures.

Q:Can a steel square be used for crown molding installation?: Indeed, crown molding installation can be accomplished with the aid of a steel square. This multipurpose and precise instrument proves invaluable for a multitude of carpentry endeavors, including the installation of crown molding. By utilizing a steel square, one can expertly delineate and gauge angles, guaranteeing the utmost accuracy in cuts and a seamless fit for crown molding segments. However, it is essential to recognize that utilizing a steel square for crown molding installation necessitates supplementary calculations and adjustments due to the intricate nature of crown molding angles. It is highly recommended to seek guidance from a professional or consult a comprehensive manual for precise measurements and cutting techniques tailored to the installation of crown molding.

Q:Can a steel square be used for concrete formwork layout?: Concrete formwork layout can be accomplished with the use of a steel square. The steel square, a versatile tool commonly employed in carpentry and construction work, consists of a long, straight edge and a shorter, perpendicular edge that together form an L-shape. Its primary function is to measure and mark right angles, making it suitable for laying out concrete formwork. When establishing concrete formwork, it is crucial to guarantee the corners are precisely square in order to ensure proper alignment and stability of the structure. To achieve this, a steel square can be utilized to accurately measure and mark right angles, ensuring the corners of the formwork are properly aligned. To employ a steel square for concrete formwork layout, adhere to these steps: 1. Determine and mark the desired dimensions for the formwork on the designated ground or surface. 2. Position the steel square on the marked points, aligning one edge with the reference line or surface. 3. Verify that the perpendicular edge of the steel square is perfectly square with the reference line or surface, making adjustments as necessary. 4. Utilize a marking tool to trace along the edge of the steel square, transferring the right angle mark onto the surface or ground. 5. Repeat this procedure for all corners and edges of the formwork, ensuring that they are all square. By utilizing a steel square for concrete formwork layout, one can ensure that the formwork is accurately established with precisely square corners. This will result in a more stable and structurally sound concrete structure.

Q:Can a steel square be used for setting up a jointer?: Certainly! A jointer can be set up using a steel square. The steel square is a highly adaptable tool that guarantees precision and accuracy in a range of woodworking duties, such as the setup of a jointer. It serves to confirm the perfect alignment of the jointer's tables, a crucial requirement for achieving impeccable and seamless cuts. By placing the square against the jointer's fence and table, any gaps or misalignments can be detected. Adjustments can then be made based on the square's measurements, resulting in the accurate configuration of the jointer and the guarantee of precise and straight cuts.

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