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 determine the length of a stair stringer?: To use a steel square to determine the length of a stair stringer, you will need to follow a few steps: 1. Start by measuring the total rise of the stairs, which is the vertical distance from the top of the landing to the ground or the lower landing. Ensure this measurement is accurate as it is crucial for determining the length of the stringer. 2. Next, measure the total run, which is the horizontal distance covered by the stairs. This measurement should be taken from the edge of the upper landing to the edge of the lower landing or the ground. Again, precision is important for accurate results. 3. Once you have both the rise and run measurements, use the steel square to calculate the length of the stringer. Place the square on a flat surface with the blade (long side) firmly against the edge. 4. Align the tongue (short side) of the square with the bottom edge of the stringer material. Ensure the blade extends past the top edge of the stringer. 5. Using the rise measurement, mark the blade of the square at the appropriate point along the run measurement. For instance, if the rise is 7 inches and the run is 10 inches, mark the blade at the 7-inch point measured from the edge. 6. Carefully remove the square from the stringer material and draw a straight line from the bottom corner of the stringer to the mark on the blade. This line will represent the length of the stringer. 7. Repeat this process for the opposite side of the stringer, if applicable, to achieve symmetry. By following these steps and using a steel square properly, you can accurately determine the length of a stair stringer. Remember to double-check your measurements and calculations to ensure the safety and stability of the stairs.

Q: What are the markings on a steel square used for?: The markings on a steel square are used for measuring and marking angles, laying out lines and marking distances accurately in carpentry and other trades.

Q: Can a steel square be used for drawing straight lines?: Yes, a steel square can be used for drawing straight lines. A steel square, also known as a framing square or a carpenter's square, is a versatile tool used in carpentry and other trades. It consists of two arms, one longer than the other, which meet at a right angle. The longer arm usually has measurements marked along its edge, allowing for accurate measurements and angles. To draw a straight line using a steel square, one can align the longer arm of the square with the desired line and hold it securely in place. By using a pencil or a marking tool against the edge of the longer arm, one can then easily draw a straight line. The steel construction of the square ensures its durability and stability, making it a reliable tool for drawing straight lines. However, it is important to note that the accuracy of any straight line drawn with a steel square depends on proper alignment and positioning of the tool. It is recommended to use a level or another straight edge to double-check the accuracy of the line. Additionally, when using the steel square, it is essential to hold it firmly and steady to prevent any unintentional movement that could affect the straightness of the line.

Q: How do you use a steel square to determine the length of a miter cut?: To use a steel square to determine the length of a miter cut, you can follow these steps: 1. Start by placing the steel square on the edge of the material that needs to be cut at a 45-degree angle. Ensure that one arm of the square is aligned with the edge of the material. 2. Once the square is properly aligned, use a pencil or a scribe to mark along the other arm of the square. This will create a line on the material that represents the angle of the miter cut. 3. Measure the length of this line using a tape measure or a ruler. This measurement represents the length of the miter cut. 4. Transfer this measurement to the material that needs to be cut. Mark the length on the material using the pencil or scribe. 5. Double-check the alignment of the steel square and the marked line to ensure accuracy. Make any necessary adjustments before proceeding with the cut. 6. Using a saw suitable for the material, cut along the marked line to create the miter cut. By using a steel square in this manner, you can accurately determine the length of a miter cut and ensure that your material is cut at the desired angle.

Q: How do you use a steel square to determine the angle of a compound roundover cut?: To use a steel square to determine the angle of a compound roundover cut, follow these steps: 1. Start by identifying the two surfaces that will be connected by the compound roundover cut. Let's call them Surface A and Surface B. 2. Place the steel square on Surface A, aligning one edge of the square with the edge of the surface. Make sure the square is perpendicular to Surface A. 3. Extend Surface B towards the steel square, ensuring it overlaps with the square's blade. 4. Observe the intersection point between the steel square's blade and Surface B. This point represents the angle at which the compound roundover cut needs to be made. 5. Use a protractor or a digital angle finder to measure the angle formed at the intersection point. Take note of the measurement. 6. Transfer the angle measurement onto your workpiece, either by marking it directly or by using a bevel gauge to replicate the angle. 7. Double-check the accuracy of the angle measurement before proceeding with the compound roundover cut. Adjust the square or re-measure if necessary. By using a steel square in this manner, you can effectively determine the angle of a compound roundover cut and ensure precise and accurate results in your woodworking or carpentry projects.

Q: How does a steel square assist in determining the correct angle for a chamfer cut?: A steel square can assist in determining the correct angle for a chamfer cut by providing a reliable and accurate reference for measuring and marking angles. When using a steel square, one of its sides can be aligned with the edge of the material being cut. The right angle formed by the square can then be used as a guide to determine the desired angle for the chamfer cut. By adjusting the position of the square or material, different angles can be achieved. Additionally, the steel square typically includes markings or measurements along its edges, allowing for precise measurement of angles. This helps in achieving the desired chamfer angle by providing a visual reference and ensuring accuracy during the cutting process. Overall, the steel square acts as a versatile tool that can be used to establish and maintain the correct angle for a chamfer cut, providing accuracy and consistency in the final result.

Q: How do you use a steel square to lay out a diamond shape?: To use a steel square to lay out a diamond shape, start by marking a reference line on the material using the long arm of the square. Then, align the short arm of the square with the reference line and mark a point to the left and right of the reference line to create the width of the diamond. Next, rotate the square 45 degrees and align the short arm with the left point previously marked. Mark a point above and below the reference line to determine the height of the diamond. Repeat this step for the right point. Finally, connect the points to form the diamond shape.

Q: How do you use a steel square to find roof pitch?: To use a steel square to find roof pitch, you will need to follow a few simple steps. First, ensure that your steel square is properly calibrated and in good condition. Next, position the square on the roof in a way that the long edge of the square is aligned with the bottom edge of the roof. Make sure the square is level and firmly in place. Once the square is in position, use a level to ensure that the square is perfectly horizontal. This will help you get accurate measurements. Now, look at the markings on the square. On one of the arms of the square, you will find a pitch scale that represents the roof pitch in inches per foot or degrees. Align the scale on the square with the bottom edge of the roof and read the corresponding pitch measurement on the scale. This measurement will indicate the steepness of the roof pitch. Remember that the measurements on the steel square are standardized, so you can easily compare them to building codes or other references to determine if the roof pitch is within acceptable limits. Using a steel square is a simple and reliable method to find the roof pitch, allowing you to accurately assess the slope of the roof and make informed decisions when it comes to repairs or construction projects.

Q: What are some alternative uses for a steel square outside of construction?: Some alternative uses for a steel square outside of construction include measuring angles in woodworking, checking for squareness in DIY projects, creating straight and precise lines in arts and crafts, and as a guide for cutting or marking materials in various hobbies and activities.

Q: Can a steel square be used for checking the plumbness of a post?: No, a steel square cannot be used for checking the plumbness of a post. A steel square is primarily used for measuring and marking angles in woodworking and carpentry projects. For checking plumbness, a level or a plumb bob would be more suitable tools.

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