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:How the steel columns and I-beam steel structure connection: The characteristics of the steel is of high strength, light weight, good integral rigidity, deformation ability, it is used in the construction of large span and super high and super heavy buildings especially suitable; homogeneous and isotropic material, an ideal elastic body, the most consistent with the basic assumption of the general engineering mechanics; material has good plasticity and toughness that can have large deformation, can well withstand dynamic loads; short construction period; the high degree of industrialization, can carry out specialized production of high degree of mechanization; the processing of high precision, high efficiency, good sealing performance, so it can be used in the construction of tank, tank and transformer etc..

Q:Can a steel square be used for measuring stair angles?: Stair angles can be measured using a steel square, which is also referred to as a framing square or carpenter's square. This versatile tool is commonly utilized by carpenters and woodworkers and comprises a long blade and a shorter tongue that creates a right angle. The blade is often engraved with various measurements and angles, enabling its suitability for a wide array of applications, including stair angle measurement. By positioning the steel square against the stair tread's edge and aligning it with the riser, one can effortlessly ascertain the stair's angle. The steel square's reliability, accuracy, and stability make it an excellent choice for measuring stair angles, guaranteeing precise and consistent outcomes during stair construction and installation.

Q:How do you use a steel square to determine the slope of a gutter?: To determine the slope of a gutter using a steel square, you can place one edge of the square against the gutter's bottom and extend it towards the opposite end. By adjusting the angle of the square until it is level, you can read the slope measurement marked on the square.

Q:Can a steel square be used for tile grouting?: Tile grouting cannot be done with a steel square as it is intended for measuring and marking right angles in carpentry. Grouting tiles necessitates the use of specialized tools like a grout float or a grout spreader, which are designed specifically for spreading and removing excess grout. Opting to use a steel square for grouting would not only yield ineffective results, but it could also potentially harm the tiles or the grout lines. To achieve the best outcome and avoid any unnecessary difficulties, it is always advisable to employ the appropriate tools for each particular task.

Q:Can a steel square be used for checking the squareness of a wall frame?: Yes, a steel square can be used for checking the squareness of a wall frame.

Q:Can a steel square be used for stair-building projects?: Certainly! A steel square is capable of being utilized in stair-building endeavors. Commonly known as a framing square or carpenter's square, this versatile tool is frequently employed in woodworking and construction undertakings. With its 90-degree angle, it is ideal for measuring and delineating right angles, a crucial element in stair construction. By means of a steel square, one can assess the precision of cuts and angles, guarantee the proper positioning of stringers and treads, and confirm the levelness and stability of the stair framework. This enduring and dependable instrument is applicable for both residential and commercial stair-building ventures.

Q:How does a steel square assist in determining the correct angle for a beaded joint?: There are several ways in which a steel square can be utilized to determine the correct angle for a beaded joint. To begin with, the steel square possesses a 90-degree angle that can be employed as a point of reference to ensure that the beaded joint is perfectly perpendicular to the workpiece. By placing the square against the workpiece and aligning it with the joint, one can visually verify whether the joint is at a right angle or necessitates adjustment. Furthermore, the steel square enables the measurement and transfer of angles. Along its edges, the square typically features various degree markings that facilitate precise angle measurements. This proves particularly advantageous when dealing with beaded joints that require specific angles, such as mitered corners or angled cuts. By utilizing the square as a guide, one can accurately mark the desired angle on the workpiece and guarantee a precise beaded joint. Moreover, the steel square can function as a guide during the cutting or shaping of materials for the joint. By aligning the square with the workpiece and marking the desired angle, one can utilize the square as a reference point during the cutting or shaping process. This aids in achieving accurate and consistent angles across multiple pieces, resulting in a well-fitted and aesthetically pleasing beaded joint. In summary, a steel square proves indispensable in determining the correct angle for a beaded joint by virtue of its ability to provide a 90-degree reference, facilitate angle measurements and transfers, and serve as a guide during cutting and shaping operations. Its versatility and precision make it an essential tool for ensuring the accuracy and quality of beaded joints.

Q:Can a steel square be used for measuring angles in sheet metal work?: Yes, a steel square can be used for measuring angles in sheet metal work.

Q:How do you use a steel square for cutting rafters?: In order to cut rafters, there are several steps to follow. Begin by marking the desired pitch of the roof on the rafter timber. The pitch refers to the slope or angle of the roof, and this information can typically be found in building plans or by measuring an existing roof. Next, position the steel square on the timber. Place the long arm (body) of the square along the edge of the timber and extend the shorter arm (tongue) towards the middle of the timber. Align the edge of the square with the previously marked pitch. Once the square is correctly positioned, use a pencil or marking knife to trace along the edge of the square, marking the timber. This will create a straight line that represents the rafter's angle. After marking one side, rotate the square and align it with the opposite edge of the timber. Repeat the process of tracing along the edge to mark the second side of the rafter. Now, you have a clear outline of the rafter shape on the timber. To cut the rafter, carefully follow the marked lines using a saw. Take your time and ensure the cuts are straight and accurate. It is important to note that if you need to cut multiple rafters, you can use the first one as a template for the others. Simply align the steel square with the already cut rafter and trace along the edges to mark the remaining ones. Using a steel square for cutting rafters is a precise and dependable method that guarantees the correct angles and dimensions for a successful roof construction.

Q:How do you use a steel square for marking stair newel post angles?: To use a steel square for marking stair newel post angles, you will need to follow a few steps. First, ensure that you have a steel square, which is a triangular-shaped tool with various measurements marked on its edges. 1. Start by positioning the steel square against the newel post, aligning one edge of the square with the post's surface. Make sure the square is flush against the post and held firmly in place. 2. Next, locate the angle you want to mark on the steel square. The square will have different angle measurements marked on it, such as 45 degrees or 90 degrees. Choose the appropriate angle based on your requirements. 3. Once you have identified the desired angle, take a pencil or marker and trace along the edge of the steel square that corresponds to that angle. This will transfer the angle onto the newel post. 4. Repeat this process for any additional angles you need to mark on the newel post, using the appropriate edges of the steel square. 5. After marking the angles, double-check the accuracy and alignment by using a protractor or other measuring tool. This will help ensure that the newel post is cut and installed correctly. By using a steel square to mark stair newel post angles, you can achieve precise and consistent measurements, resulting in a professional-looking installation. Remember to always double-check your measurements before making any cuts to ensure accuracy.

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