High Quality GB Standard Steel Square Bar 38mm-45mm

High Quality GB Standard Steel Square Bar 38mm-45mm System 1

High Quality GB Standard Steel Square Bar 38mm-45mm

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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:How do you use a steel square to mark angles?: Before you can effectively utilize a steel square to designate angles, it is essential to have a grasp of its components. A steel square, which is also referred to as a framing square or carpenter's square, is a versatile tool comprising two primary parts: the body and the tongue. To designate angles, commence by situating the body of the square against one edge of the material you are working with, such as a board or a piece of metal. Confirm that the body is aligned with the edge in a manner that allows it to lie flat against it. Subsequently, extend the tongue of the square along the opposite edge of the material, ensuring it runs parallel to the body. The tongue can be adjusted by loosening the screw that connects it to the body, granting you the ability to slide it into the desired position. Once the square is positioned correctly, you can proceed to mark the angle. To accomplish this, employ a pencil or a scribe to draw a line along the inner edge of the tongue. This line serves as a representation of the angle you are marking. If your intention is to create a right angle, merely align the body and tongue of the square to form a 90-degree angle. Subsequently, draw a line along the inner edge of the tongue to designate the angle. For angles other than a right angle, you have the option to adjust the position of the tongue based on the degrees you wish to mark. Steel squares generally feature degree markings engraved onto the body, facilitating the easy establishment of the desired angle. By employing a steel square, you can ensure the precise marking of angles on various materials, leading to accurate cuts and measurements in your woodworking or metalworking endeavors. It is important to always double-check your measurements and exercise caution when working with sharp tools.

Q:Can a steel square be used for checking the squareness of a miter saw blade?: No, a steel square cannot be used for checking the squareness of a miter saw blade. While a steel square is a useful tool for measuring and checking right angles, it is not specifically designed to accurately gauge the squareness of a miter saw blade. Miter saws have their own mechanisms and adjustments to ensure the blade is perfectly perpendicular to the table. To check the squareness of a miter saw blade, it is recommended to use a specialized tool called a squareness gauge or a dedicated square specifically designed for miter saws. These tools are designed to provide precise measurements and angle checks, ensuring accurate and square cuts.

Q:Can a steel square be used for checking the alignment of walls?: Yes, a steel square can be used for checking the alignment of walls. A steel square, also known as a framing square, is a versatile tool that is commonly used in carpentry and other construction work. It consists of a flat, triangular-shaped piece of steel with various measurements and angles marked on its surface. To check the alignment of walls, a steel square can be placed against the wall's surface, ensuring that one edge of the square is flush against the wall. By visually inspecting the square against the wall, any discrepancies in the alignment can be easily identified. For example, if the square does not sit flush against the wall along its entire length, it indicates that the wall is not perfectly straight or aligned. Additionally, the angles marked on the steel square can be used to ensure that the corners of the walls are square. By placing the square in the corner and checking if the edges align with the walls, any deviations from a perfect 90-degree angle can be detected. Overall, while a steel square may not be the most precise tool for checking the alignment of walls, it can certainly provide a good indication of any irregularities. It is a simple and affordable tool that can be effectively used by both professionals and DIY enthusiasts to ensure the accuracy and quality of wall construction.

Q:How does a steel square assist in determining the correct angle for a cove cut?: When trying to achieve a cove cut, it is crucial to have the appropriate angle for the desired shape and fit. This is where a steel square comes in handy. Serving as a precise and accurate measurement tool, a steel square aids in determining the correct angle. Typically featuring a 90-degree angle, the steel square acts as a reference point. By aligning it with the material's edge that needs to be cut, you can establish a perpendicular line. This perpendicular line is then used to ascertain the correct angle for the cove cut. To find the correct angle, measure the distance from the perpendicular line to the desired endpoint of the cove cut. This measurement will provide the angle necessary to achieve the desired shape and fit. Furthermore, a steel square often includes other angle markings like 45 degrees. These markings can be utilized to create various types of cove cuts or to verify the accuracy of the measurement. Overall, a steel square is a reliable and precise measurement reference that assists in determining the correct angle for a cove cut. By ensuring accuracy and quality, it guarantees the desired outcome of the cut.

Q:Can a steel square be used for checking the squareness of door jambs?: Yes, a steel square can be used to check the squareness of door jambs. Steel squares are known for their accuracy and precision, making them a reliable tool for ensuring the perpendicularity and squareness of door frames.

Q:The steel structure material can do?: The steel can be used as structural materials to use, but not commonly used, are generally only used in the special requirements of the situation

Q:Can a steel square be used for creating perpendicular lines?: Yes, a steel square can be used for creating perpendicular lines.

Q:Can a steel square be used for checking the squareness of a foundation?: Yes, a steel square can be used for checking the squareness of a foundation. A steel square is a versatile tool commonly used in carpentry and construction for checking and marking right angles. It consists of two arms, one of which is longer than the other, connected at a 90-degree angle. By placing the longer arm against a straight edge of the foundation and aligning the shorter arm with another edge, one can determine if the foundation is square or not. If the angles formed are 90 degrees, then the foundation is square. However, it is important to note that for larger foundations or when more accurate measurements are required, more precise tools like laser levels or transit levels may be used in conjunction with the steel square.

Q:Can a steel square be used for checking the alignment of metal studs?: Indeed, the alignment of metal studs can be assessed using a steel square. A steel square, also referred to as a framing square or carpenter's square, is a versatile instrument extensively employed in the realms of carpentry and construction. It comprises two arms, one of which is longer than the other, interconnected at a right angle. The longer arm typically measures around 24 inches, while the shorter arm measures approximately 16 inches. To evaluate the alignment of metal studs, one can position the steel square against the stud's edge or face and ensure its impeccable vertical or horizontal orientation. The longer arm of the square is suitable for aligning the stud's edge, whereas the shorter arm can be employed to align the stud's face. By visually examining and comparing the alignment of multiple studs, one can guarantee their parallelism and straightness, which are crucial for the structural soundness and stability of the constructed wall or structure. Besides alignment assessment, a steel square can fulfill diverse functions related to metal stud installation, encompassing marking and cutting studs, verifying and transferring angles, and measuring distances. Its robust and precise design establishes it as a dependable tool for various applications within the domains of construction and carpentry.

Q:Can a steel square be used for checking the squareness of a floor tile?: Indeed, the squareness of a floor tile can be assessed using a steel square. A steel square, a tool frequently employed in construction and carpentry, serves to establish right angles and assess squareness. It comprises a metal ruler equipped with a perpendicular handle, thus forming an impeccable 90-degree angle. When the steel square is positioned against the border of the floor tile, it can be utilized to validate whether the tile is correctly aligned and forms a right angle with the neighboring tiles or walls. This guarantees a meticulous tile installation, resulting in a level and visually appealing floor.

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