12mm*1.13kg/m square bar for construction

12mm*1.13kg/m square bar for construction System 1

12mm*1.13kg/m square bar for construction

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Loading Port:: Tianjin

Payment Terms:: TT OR LC

Min Order Qty:: 25 m.t.

Supply Capability:: 100000 m.t./month

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Product Description:

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:

(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.

12mm*1.13kg/m square bar for construction

Q:Can a steel square be used for checking the levelness of floors?: The levelness of floors cannot be checked using a steel square. A steel square, also called a carpenter's square, is mainly utilized in woodworking to measure and mark right angles. It is not intended for accurately assessing surface levelness. To ensure the levelness of floors, it is recommended to employ a tool like a spirit level or laser level. These tools are specially designed for this task and offer precise measurements of horizontal or vertical levelness.

Q:How do you use a steel square to find the height of a wall?: To use a steel square to find the height of a wall, you can follow these steps: 1. Ensure that the base of the wall is level and the steel square is perpendicular to the ground. 2. Hold the steel square against the wall with one of its legs touching the ground. 3. Slide the square upwards along the wall until the other leg is touching the top edge of the wall. 4. While keeping the square in place, mark the point where the top leg of the square intersects the wall. 5. Measure the distance from the ground to the marked point, and that will give you the height of the wall.

Q:Can a steel square be used for masonry work?: No, a steel square should not be used for masonry work. Steel squares are typically used in woodworking for measuring angles and marking straight lines. Masonry work requires specific tools designed for the job, such as a mason's square or a level. These tools have features that make them suitable for working with heavy materials like bricks or stones, ensuring accurate measurements and proper alignment. Using a steel square for masonry work may lead to inaccurate measurements, improper angles, and an overall subpar result. It is always best to use the appropriate tools for each specific task to achieve the best possible outcome.

Q:How do you use a steel square to mark a line parallel to an edge?: To mark a line parallel to an edge using a steel square, follow these instructions: 1. Position the steel square on the surface, making sure that one side is touching the edge you want to mark parallel to. 2. Verify that the square is properly aligned and flush against the edge. 3. Securely hold the square in place to prevent any movement. 4. Employ a pencil or a scribe to trace a line alongside the edge of the steel square. 5. Continue marking the line until you reach your desired length. Remember to periodically check the square to guarantee it hasn't shifted while marking the line. Additionally, it is advised to use a sharp pencil or scribe for precise markings.

Q:How does a steel square assist in determining the correct angle for a compound miter cut?: A steel square, also known as a combination square, is a versatile tool that can assist in determining the correct angle for a compound miter cut. When making a compound miter cut, it is crucial to accurately measure and set the angles of both the miter and bevel cuts. This is where a steel square comes into play. Firstly, a steel square has a built-in protractor that allows you to measure and set the desired angle for the miter cut. This protractor is typically marked with degree increments, making it easy to set precise angles. In addition to the protractor, a steel square also has a ruler along its edge, which can be used to measure the length of the workpiece and ensure accurate cuts. To determine the correct angle for a compound miter cut, you would typically start by setting the desired miter angle using the protractor on the steel square. Once the miter angle is set, you can use the ruler to measure the length of the workpiece and mark the desired cut line. After completing the miter cut, you would then need to adjust the bevel angle to create the compound angle. Again, the steel square can be used to accurately measure and set the bevel angle. By utilizing the steel square's protractor and ruler, you can ensure that the miter and bevel angles are precisely set, leading to accurate and clean compound miter cuts. This is important for achieving tight joints and proper alignment when working on projects such as furniture, cabinetry, or trim work.

Q:Can a steel square be used for measuring pipe angles?: Yes, a steel square can be used for measuring pipe angles. The square's right angle can be aligned with the pipe's edge to determine the angle accurately.

Q:Can a steel square be used for marking out dovetail joints?: Yes, a steel square can be used for marking out dovetail joints. A steel square is a versatile tool commonly used in woodworking for measuring, marking, and checking the accuracy of right angles. When marking out dovetail joints, precision and accuracy are crucial, and a steel square can provide the necessary reference for ensuring the correct angles and dimensions are achieved. By aligning the square along the edges of the workpiece, it can help guide the marking of the dovetail angles and provide a straight edge for accurate cutting. However, it is important to note that while a steel square can be a useful tool, it is recommended to also use a dovetail marking gauge or a dovetail template to ensure the best results and maintain consistency throughout the project.

Q:How do you use a steel square for marking roof ridge angles?: To use a steel square for marking roof ridge angles, first, position the square on the ridge board and align it with the top of the roof. Next, pivot the square until the desired angle is reached, ensuring that the square's edge aligns with the roof rafters. Finally, mark the angle on the ridge board and use it as a reference for cutting rafters or installing ridge beams.

Q:Can a steel square be used for shed post layout and installation?: Indeed, shed post layout and installation can be accomplished using a steel square. These tools, known as framing squares or carpenter squares, possess great versatility and are commonly employed in construction and woodworking projects. They boast a right angle shape, featuring a long tongue and a shorter blade, which enables them to accurately measure angles and distances. When it comes to shed post layout and installation, there are several ways in which a steel square can be utilized. First and foremost, it can be employed to guarantee that the shed posts are aligned at right angles to one another. By placing the square against the edge of one post, extending the tongue along the adjacent post, and utilizing the blade to verify the presence of a 90-degree angle, one can ensure the posts are properly aligned, resulting in a structurally sound and square foundation. Furthermore, a steel square can also be utilized to mark the appropriate height for each post. By positioning the square against the side of the post and aligning it with the desired height, one can accurately mark the cutting point using a pencil or marker. This ensures that all posts are cut to the correct length, thereby establishing a level and even foundation for the shed. Moreover, a steel square can play a role in verifying the plumbness of the posts, meaning their perfect vertical alignment. By aligning the square against the side of each post and examining for any gaps or deviations, adjustments can be made to guarantee that all posts are installed in a straight and upright manner. To summarize, a steel square is an adaptable tool that proves highly effective in shed post layout and installation. Its usage ensures the proper alignment, correct length, and plumb and level positioning of the posts, resulting in a sturdy and well-constructed shed.

Q:Can a steel square be used for carpentry tasks?: Absolutely, carpentry tasks can definitely make use of a steel square. This tool, which is also referred to as a framing square or a carpenter's square, is extremely versatile and commonly employed in the field of carpentry. Crafted from sturdy steel, it boasts a 90-degree angle, as well as a variety of other angles and measurements carefully etched onto its surface. Carpenters rely on this tool for an extensive range of duties, including measuring and marking right angles, verifying squareness, planning cuts, and generating precise lines and angles. In the realm of carpentry, it is an indispensable instrument that guarantees accuracy and exactness, rendering it highly prized by both seasoned professionals and avid DIY enthusiasts.

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