square steel; square bar;billet System 1

square steel; square bar;billet

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Loading Port:: Tianjin

Payment Terms:: TT OR LC

Min Order Qty:: 1000 m.t.

Supply Capability:: 30000 m.t./month

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Product Description:

Specifications of Square Steel:

-The Square Steel is hot rolled,

-Standard: GB,

-Grade: Q195 or equivalent.

Some details of Square Steel:

-List 1.The length of a side and the theoretical weight of Square Bar.

Length of a side(mm)	Theoretical weight(kg/m)	Length of a side(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	70	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.

-List 2. 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

Chemical Composition:

Standard	Grade	Element (%)
GB	Q195	C	Mn	S	P	Si
GB	Q195	≤0.12	≤0.50	≤0.04	≤0.035	≤0.3

-Method of deoxidation: F, b, Z

Usage/Applications of Square Steel:

-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 Square Steel:

-Packing Detail: The products can be packed in bundles by steel wires.

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

Transportation & Marking:

-Transportation:

1, The products can be delivered by bulk vessel or by container.

2, The maximum quantity of loading of container is 25 tons.

3, The products usually are transported to the nearest port from the production place.

-Marks:

1, Color mark: there will be color marking on both ends of the bundles for the cargo delivered by bulk vessel. That makes is easily to distinguish at the destination port.

2, Tag mark: the tag marks will be tied up to each bundle. The information is usually including supplier’s logo and name, product name, made in China, products’ specifications and other information requested by customers.

Payment:

-Invoicing on theoretical weight or actual weight as customer’s request.

-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.

Q:How do you use a steel square to mark a line perpendicular to a board edge at a specific distance?: To achieve a line perpendicular to a board edge with a specific distance using a steel square, the following instructions should be followed: 1. Position the steel square against the board's edge, aligning one arm of the square with the edge. 2. Adjust the square until the other arm forms a 90-degree angle with the edge, indicating perpendicularity. 3. Securely hold the square against the board once it is appropriately aligned. 4. Determine the desired distance from the edge where the line should be marked. For instance, if a 6-inch gap is desired, employ a tape measure or ruler to measure 6 inches from the edge. 5. Employ a pencil or marking tool to make a mark on the board along the arm of the square that corresponds to the measured distance. 6. Continuously mark along the entire length of the board, ensuring that each mark is both perpendicular to the edge and at the exact measured distance. 7. Once all marks are made, employ a ruler or straight edge to connect them, thus forming a straight line. By adhering to these steps, it is possible to accurately mark a line perpendicular to a board edge at a specific distance using a steel square.

Q:Are there any safety considerations when using a steel square?: Using a steel square involves a number of safety considerations. Firstly, it is crucial to handle the steel square with caution due to its sharp edges and corners, which can cause injuries if mishandled. To prevent cuts or abrasions, it is advisable to wear protective gloves when using a steel square. In addition, when using a steel square for measuring or marking, it is essential to ensure proper alignment and positioning. Incorrect alignment can lead to inaccurate measurements or markings, resulting in construction errors or other related tasks. Furthermore, when using a steel square in conjunction with other tools or equipment, it is important to exercise caution and follow safety protocols. For instance, when using a steel square with a saw or other cutting tools, maintaining a safe distance between hands and the blade is crucial to prevent accidental injuries. Lastly, storing the steel square in a safe and organized manner when not in use is essential. This involves securely storing it to prevent accidental falls or tripping hazards. Regularly inspecting the steel square for signs of damage or wear that may compromise its structural integrity and safety is also recommended. By being mindful of these safety considerations, individuals can effectively and safely use a steel square in various applications.

Q:Can a steel square be used for checking the squareness of a door opening?: A door opening's squareness can be assessed using a steel square. This versatile tool, also known as a framing square or carpenter's square, is typically crafted from steel and features markings for angle measurement and right angle verification. With its 90-degree angle, the steel square proves useful for checking the squareness of various objects, including door openings. To examine the squareness of a door opening using a steel square, one must position the square against the door jamb or frame's edges, ensuring a flush and flat fit on both sides. By observing the alignment of the square's edge against the door jamb, one can determine if the opening's corners form perfect 90-degree angles or deviate from a square shape. If the steel square fits flawlessly against both sides of the door jamb, with no gaps or overlaps, then the door opening is square. However, the presence of a gap or improper alignment with the edges indicates that the opening is not square, necessitating adjustments to ensure the door's proper installation. In summary, a steel square serves as an effective tool for evaluating the squareness of a door opening. Its accurate measurement and assessment capabilities contribute to ensuring the proper fit and functioning of the door post-installation.

Q:Can a steel square be used for checking the alignment of a door frame?: Yes, a steel square can be used for checking the alignment of a door frame. It can be used to ensure that the corners of the door frame are square and that the sides are perpendicular.

Q:What are some common uses for a steel square in furniture making?: A steel square, also known as a framing square or carpenter's square, is a versatile tool that is widely used in furniture making. Here are some common uses for a steel square in furniture making: 1. Measuring and marking: A steel square is primarily used for measuring and marking straight lines and angles. It has a long blade and a shorter tongue, allowing for precise measurements and marking of dimensions on wood or other materials. This is essential for making accurate cuts and ensuring the furniture pieces fit together correctly. 2. Checking for squareness: One of the most important uses of a steel square is checking for squareness. By aligning the blade along the edge of a piece of furniture or a joint, you can determine if it is perfectly square or if adjustments need to be made. This ensures the furniture pieces are properly aligned and will fit together seamlessly. 3. Determining angles: Steel squares often come with different angle markings, such as 45 degrees and 90 degrees. These markings allow furniture makers to easily determine and replicate specific angles required for various joints, bevels, or miter cuts. This ensures precise and accurate angles, resulting in better-fitted and more visually appealing furniture. 4. Transferring measurements: A steel square can be used to transfer measurements from one piece of wood to another. By aligning the square with a measurement point on one piece of wood and then marking the corresponding measurement on another piece, you can ensure consistency and accuracy throughout the furniture making process. 5. Squaring up assemblies: When assembling furniture, it is crucial to ensure all parts are square and properly aligned. A steel square can be used to check the squareness of assembled pieces, making adjustments as necessary. This helps in achieving stability, structural integrity, and a professional finish for the furniture. 6. Laying out geometric shapes: Steel squares can also be used to lay out geometric shapes, such as squares, rectangles, and triangles. By utilizing the square's straight edges and angle markings, furniture makers can easily create accurate templates or patterns for various furniture components. Overall, a steel square is an indispensable tool in furniture making. Its ability to measure, mark, check for squareness, determine angles, transfer measurements, and lay out shapes makes it an essential companion for any furniture maker seeking precision, accuracy, and quality in their craftsmanship.

Q:Can a steel square be used for concrete formwork layout?: Yes, a steel square can be used for concrete formwork layout. The steel square is a versatile and accurate tool that can be used to measure, mark, and layout various angles and dimensions required for concrete formwork. Its sturdy construction and precise measurements make it suitable for ensuring the proper alignment and positioning of formwork components during concrete construction.

Q:What is the weight of a typical steel square?: The weight of a typical steel square can vary depending on its dimensions, but it is generally calculated by multiplying the density of steel (usually around 7850 kg/m^3) by the volume of the square.

Q:Can a steel square be used for marking out dovetails?: Yes, a steel square can be used for marking out dovetails. A steel square is a versatile tool that is commonly used for measuring, marking, and checking right angles. When marking out dovetails, a steel square can be used to ensure straight and accurate lines are drawn to create the angled dovetail cuts. The square's straight edge can be aligned with the edge of the wood to create the baseline from which the dovetail angles can be marked. Additionally, the square's perpendicular edges can be used to check and verify the accuracy of the angles and slopes during the marking out process. So, while there are specialized dovetail marking tools available, a steel square can certainly be used effectively for marking out dovetails.

Q:Can a steel square be used for measuring inside corners?: No, a steel square cannot be used for measuring inside corners as it is typically designed for measuring and marking right angles and straight lines. For measuring inside corners, a different tool like a combination square or a protractor would be more suitable.

Q:How do you use a steel square to ensure the correct angle for a dovetail joint?: To use a steel square to ensure the correct angle for a dovetail joint, you would first align one edge of the square with the end grain of the board that will have the dovetail joint. Then, you would adjust the square until the desired angle is achieved, typically 90 degrees for a standard dovetail joint. Once the square is properly aligned, you can use it as a guide to mark the angle on the board, ensuring accurate and precise cuts for a perfect dovetail joint.

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