High Quality GB Standard Steel Square Bar 32mm-36mm

High Quality GB Standard Steel Square Bar 32mm-36mm System 1

High Quality GB Standard Steel Square Bar 32mm-36mm

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Loading Port:: Tianjin

Payment Terms:: TT OR LC

Min Order Qty:: 25 m.t

Supply Capability:: 10000 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:

Section 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.

Q: Can a steel square be used for checking the flatness of a surface?: No, a steel square is not typically used for checking the flatness of a surface. It is primarily used for measuring right angles and ensuring accuracy in woodworking and metalworking projects. For checking flatness, other tools such as a straight edge or surface plate are more suitable.

Q: Can a steel square be used for checking the alignment of a scroll saw table?: Yes, a steel square can be used for checking the alignment of a scroll saw table. A steel square is a versatile tool that is commonly used in woodworking and metalworking for checking the accuracy and alignment of various components. When it comes to checking the alignment of a scroll saw table, a steel square can be used to ensure that the table is perfectly perpendicular to the blade, which is crucial for precise and accurate cuts. By placing the steel square against the table and the blade, you can easily determine if the table is aligned correctly. If there is any deviation, adjustments can be made to ensure proper alignment, resulting in improved cutting accuracy and quality.

Q: Can a steel square be used for checking the squareness of a foundation?: Checking the squareness of a foundation can be accomplished with the use of a steel square. In the field of carpentry and construction, a steel square is a versatile tool that is frequently employed for the purpose of verifying and marking right angles. Comprised of two arms connected at a 90-degree angle, one of these arms being longer than the other, the steel square is an effective instrument. When the longer arm is placed against a straight edge of the foundation and the shorter arm is aligned with another edge, it becomes possible to determine whether the foundation is square or not. If the angles formed measure 90 degrees, then the foundation is indeed square. However, it is crucial to acknowledge that when dealing with larger foundations or when a higher degree of precision is required, more accurate tools such as laser levels or transit levels may be employed in conjunction with the steel square.

Q: How do you use a steel square to determine the angle of a miter cut?: To determine the angle of a miter cut with a steel square, follow these steps: 1. Position the steel square against the material's edge, ensuring the long side aligns with the edge, at a 90-degree angle. 2. Use a pencil or marker to draw a line along the inside edge of the square, representing the 90-degree angle. 3. Adjust the steel square along the edge until the desired miter cut angle is achieved. For example, if you want a 45-degree miter cut, align one of the square's edges with the previously drawn line at the 90-degree angle. 4. Once the steel square is aligned for the desired angle, draw another line along the inside edge of the square, representing the miter cut angle. 5. Connect the starting point of the 90-degree line with the endpoint of the miter cut line using a straight edge or ruler. This will create an accurate cutting guide representing the miter cut angle. By employing a steel square in this manner, you can effortlessly determine and mark the precise angle for a miter cut, ensuring precise and accurate cuts in your woodworking or construction projects.

Q: Can a steel square be used for masonry work?: Using a steel square for masonry work is not recommended. Steel squares are typically meant for woodworking purposes, such as measuring angles and marking straight lines. Masonry work, on the other hand, requires specialized tools like a mason's square or a level. These tools are designed specifically for working with heavy materials like bricks or stones, ensuring precise measurements and proper alignment. Opting for a steel square in masonry work can result in inaccurate measurements, incorrect angles, and an overall unsatisfactory outcome. It's always advisable to use the suitable tools for each task to achieve the best result possible.

Q: Can a steel square be used for marking out sliding dovetail joints?: Yes, a steel square can be used for marking out sliding dovetail joints.

Q: How do you use a steel square to measure and mark equal angles?: In order to measure and mark equal angles using a steel square, the following steps should be followed: 1. Begin by placing the steel square onto the surface or material where you intend to work. Make certain that one edge of the square aligns with a straight edge of the material. 2. Identify the specific angle you wish to measure and mark. For instance, if you desire to mark a 45-degree angle, locate the corresponding line on the steel square. 3. Align the identified angle line on the steel square with the straight edge of the material. Ensure that the angle line passes through the exact point where you intend to mark the angle. 4. Securely hold the steel square in place and utilize a pencil or scribe to mark the material along the edge of the steel square. This will result in a straight line representing the desired angle. 5. Repeat this process for any other angles that you wish to measure and mark. The steel square offers precise and consistent measurements, allowing you to effortlessly create equal angles throughout your project. Always remember to verify your measurements and confirm that the square is properly aligned before marking the material. Taking your time and maintaining precision will lead to accurate and evenly marked angles using a steel square.

Q: How does a steel square assist in determining the correct angle for a mitered dovetail joint?: A steel square is a useful tool in determining the correct angle for a mitered dovetail joint because it allows for precise measurements and angles to be taken. When creating a mitered dovetail joint, it is important to have each angle at 45 degrees to achieve a perfect fit. With a steel square, one can easily measure and mark the desired angle on both the piece being joined and the piece it will be attached to. By aligning the steel square against the edges of these pieces, it becomes easier to ensure that the angles are accurate and consistent. Additionally, the steel square can be used to check the squareness of the joint by placing it against the inside corner of the joint. This helps to ensure that the joint is properly aligned and that both pieces are flush against each other before assembly. In summary, a steel square is an essential tool in determining the correct angle for a mitered dovetail joint because it allows for precise measurements, marking, and checking of angles, ultimately ensuring a strong and accurate joint.

Q: What are some common uses for a steel square in roofing?: A steel square is commonly used in roofing for tasks such as measuring and marking angles, cutting straight lines, checking for squareness, and laying out roof rafters and trusses accurately.

Q: Can a steel square be used for checking the squareness of shelf brackets?: Yes, a steel square can be used for checking the squareness of shelf brackets. A steel square is a versatile tool that is commonly used in carpentry and woodworking to check the accuracy of right angles. By placing the steel square against the corner of the shelf bracket, you can verify if it is perfectly square or if any adjustments need to be made. The steel square's straight edge can also be used to ensure that the bracket is aligned properly with the shelf or wall. Overall, a steel square is an effective tool for checking the squareness of shelf brackets.

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