12mm*1.13kg/m square bar for construction
- Ref Price:
-
- 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:
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 |
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 |
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 | ||
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.
- Q: Can a steel square be used for checking the alignment of posts?
- Yes, a steel square can be used for checking the alignment of posts. It is a versatile tool that can help ensure that the posts are properly aligned and perpendicular. The steel square can be used to measure angles and make precise markings, making it an ideal tool for checking alignment in construction or woodworking projects.
- Q: Can a steel square be used for checking the squareness of a lathe tool rest?
- Using a steel square to check the squareness of a lathe tool rest is not possible. Steel squares are typically employed to examine the squareness of flat surfaces or right angles, like those found in woodworking or construction. Since the tool rest on a lathe is a curved or angled surface, a different tool is needed to assess its squareness. A more appropriate option would be a precision square or a bevel gauge, which are specially designed to measure angles and can handle curved or angled surfaces.
- Q: Can a steel square be used for checking the squareness of a planer fence?
- Indeed, the squareness of a planer fence can be assessed by employing a steel square. This particular tool serves the purpose of measuring right angles and discerning the squareness of an object. Placing the steel square in contact with the planer fence and examining whether the square's edges align flawlessly with the fence enables one to ascertain its squareness. Should the edges of the square fail to align with the fence, adjustments can be implemented to guarantee its absolute squareness. This step is of utmost importance in achieving meticulous and exact planing.
- Q: What are the different ways to read angles on a steel square?
- There are typically three different ways to read angles on a steel square: 1. Degree scale: Steel squares often have a degree scale on one of the arms, allowing you to directly read the angle in degrees. This scale is useful for precise measurements and accurate angle readings. 2. Protractor scale: Some steel squares feature a protractor scale, which allows you to measure angles more precisely. By aligning the square's edge with the angle you want to measure, you can read the angle directly from the protractor scale. 3. Vernier scale: Certain steel squares may also have a vernier scale, which provides a more detailed measurement of angles. By aligning the square's edge with the angle you want to measure, you can read the angle from the vernier scale and get a more precise reading than with a regular degree scale.
- Q: How do you use a steel square for laying out stair stringers?
- Follow these steps to lay out stair stringers using a steel square: 1. Begin by determining the total rise and run of the stairs. The rise represents the vertical height between each step, while the run refers to the horizontal distance. 2. Divide the total rise by the desired height of each step to calculate the number of steps needed. Round the number to the nearest whole number and adjust the height of each step if necessary. 3. Determine the tread depth, which is the horizontal distance from the front to the back of each step. This measurement typically ranges from 10-11 inches, but it can vary based on building codes and personal preference. 4. Place the steel square against the edge of the stringer board, with the long side against the board and the short side pointing upward. 5. Align the square so that the 7-inch mark on the tongue meets the tread depth mark on the blade. This will provide the correct angle for the stringer. 6. Trace along the edge of the square on the stringer board using a pencil or marking knife to mark the angle. 7. Repeat the process on the other side of the stringer board, ensuring consistent angles. 8. Measure and mark the rise and run on each step, starting from the bottom and working upward. Use the steel square to ensure accuracy and consistency in your measurements. 9. Once all steps are marked, use a circular saw or handsaw to cut along the marked lines and create the stringers. 10. Test fit the stringers in place and make any necessary adjustments before securing them to the deck or landing. Always adhere to local building codes and regulations when constructing stairs, as they may have specific requirements for dimensions such as rise, run, and more.
- Q: Can a steel square be used for checking the squareness of a jointer knife?
- Using a steel square to check the squareness of a jointer knife is not possible. Although a steel square is commonly employed to assess the squareness of woodworking tools and machinery, it is not appropriate for this particular undertaking. Jointer knives necessitate the use of a specialized tool, such as a jointer knife gauge or a magnetic jointer knife setting gauge, which is specifically designed to accurately measure the squareness of the knife. These gauges typically feature a magnet that can be attached to the knife, enabling precise and dependable measurements. Utilizing a steel square for this purpose may yield inaccurate readings and potentially compromise the jointer's performance.
- Q: Can a steel square be used for checking the plumbness of a support beam?
- Typically, a steel square is not employed to assess the plumbness of a support beam. A steel square, otherwise referred to as a framing square or carpenter's square, is primarily utilized in carpentry and woodworking to measure and mark right angles. Although it may assist in different construction tasks, it is not specifically crafted for plumbness verification. For this purpose, it is advisable to employ a plumb bob or a spirit level, both of which are explicitly designed and offer more precise outcomes.
- Q: Can a steel square be used for shed construction?
- Yes, a steel square can be used for shed construction. A steel square is a versatile tool commonly used in construction and carpentry for measuring and marking right angles. It can be used to ensure accurate measurements and square corners during the construction process of a shed.
- Q: What are the different markings on a steel square and their purposes?
- A steel square, an essential tool in carpentry and other trades, is used to measure, mark, and lay out angles. Its design consists of a long, straight blade and a perpendicular handle, forming an "L" shape. The blade is typically adorned with various markings, each serving a specific purpose. 1. Inch Markings: Predominantly featured along the blade, inch markings provide precise measurements for lengths and distances. These markings are typically denoted in 1/16th of an inch increments, ensuring accuracy for different construction tasks. 2. Degree Markings: Located on the handle, degree markings indicate angles ranging from 0 to 90 degrees. These markings enable precise angle measurements, making them valuable for cutting or marking angles on wood or other materials. 3. Rafter Tables: Some steel squares include rafter tables, which offer additional markings on the blade. Rafter tables provide measurements and calculations for common roof framing tasks, such as determining rafter lengths or the angles required for specific roof pitches. By utilizing these tables, time is saved, and accurate measurements are guaranteed when working on roofing projects. 4. Brace Measurement: Inside the handle, there are markings that aid in measuring the width of boards or other materials. These markings are beneficial for swiftly determining the width of a piece of wood, ensuring precise cuts or joints. 5. Scribe Lines: Along the blade, one may find small indentations or notches known as scribe lines. These lines are utilized to mark cuts or lines on a workpiece. By placing a pencil or knife in the scribe line and sliding it along the square's edge, the material can be marked with precise and straight lines. Overall, the diverse markings on a steel square fulfill the purposes of providing accurate measurements, assisting in angle calculations, aiding rafter-related tasks, and facilitating the marking of straight lines. Carpenters, builders, and individuals engaged in construction or woodworking benefit greatly from these markings, making the steel square an indispensable tool.
- Q: How do you use a steel square for marking and cutting bridle joints?
- Achieving accurate and precise measurements when marking and cutting bridle joints using a steel square involves the following steps: 1. Prioritize cleanliness and ensure the steel square is free from debris and rust. This will aid in achieving accurate measurements. 2. Utilize a measuring tape or ruler to measure and mark the desired width and depth of the bridle joint on the wood. The width of the joint should be half the thickness of the wood, while the depth can vary depending on project requirements. 3. Align the steel square with the marked lines for the width and depth of the joint. Press the square firmly against the wood to prevent any movement or slippage. 4. Employ a marking knife or pencil to trace along the edge of the steel square, creating a clear and accurate guideline for cutting the bridle joint. Taking the time to ensure straight and precise lines is crucial. 5. With the lines marked, carefully cut along the traced lines using a saw or chisel. Employing sharp and suitable tools is essential for achieving clean and accurate cuts. 6. After cutting the bridle joint, use the steel square once again to verify the accuracy and squareness of the joint. Place the square against the cut edges to confirm they are perfectly perpendicular to the wood's face. At this stage, any necessary adjustments can be made to achieve a precise fit. Overall, a steel square is a vital tool for accurately and efficiently marking and cutting bridle joints. By following these steps, you can attain clean and precise joints that enhance the strength and appearance of your woodworking projects.
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12mm*1.13kg/m square bar for construction
- Ref Price:
-
- Loading Port:
- Tianjin
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 25 m.t.
- Supply Capability:
- 100000 m.t./month
OKorder Service Pledge
OKorder Financial Service
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