• Hot rolled square bar System 1
  • Hot rolled square bar System 2
  • Hot rolled square bar System 3
  • Hot rolled square bar System 4
Hot rolled square bar

Hot rolled square bar

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Loading Port:
China Main Port
Payment Terms:
TT OR LC
Min Order Qty:
-
Supply Capability:
-

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-Standard: GB,

-Grade: Q195 or equivalent.

-Chemical Composition:

Standard

Grade

Element (%)

GB

Q195

C

Mn

S

P

Si

0.06~0.12

0.25~0.50

≤0.050

≤0.045

≤0.30

Measures of HR Square Bar (small measures):

HR Square Bar.

(Section of HR Square Bar)

-Length of a side and Theoretical weight of Square Bar.

Length of a side(mm)

Theoretical weight(kg/m)

Length of a side(mm)

Theoretical weight(kg/m)

7

0.385

22

3.80

8

0.502

24

4.52

9

0.636

25

4.91

10

0.785

26

5.30

11

0.950

28

6.15

12

1.13

30

7.06

13

1.33

32

8.04

14

1.54

34

9.07

15

1.77

36

10.17

16

2.01

38

11.24

17

2.27

40

12.56

18

2.54

42

13.85

19

2.82

45

15.90

20

3.14

48

18.09

21

3.46

50

19.63

Notes:

1, The theoretical weights in the list, base on the density of 7.85 g/cm3.

2, Formula for theoretical weight of Square bar: (length of a side)2 * 0.00785

3, The numbers with *mean that they are not regular or we don’t offer them.

-Regular length of Square Bar:

Steel

Length of a side (mm)

Length of steel (m)

Normal steel

< 25

4~10

> 25

3~9

Steel of high quality

All measure

2~6

Tool steel >75

1~6

Usage/Applications of HR Square Bar:

-The Square Bar is normally used as structure steel.

-Row material for other structure steel like steel angles, channels, I-beams, H-beams, etc…

Packaging & Delivery of HR Square Bar:

-Packing Detail: The products can be packed in bundles by steel wires.

-Marks: We make tag marks and color marks. The tag marks with white background and red company logo will be tied up to each bundle of the products. The information is usually including basic information of products and company and other information requested by customers. As for color marks, we will paint both ends of bundles to make sure that it will be more convenient for customers to distinguish them from other products.

-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 are usually transported to the nearest port from the production place.

Q: How do you use a steel square to find angles for compound mitered corners?
To use a steel square to find angles for compound mitered corners, you need to follow a few steps. First, ensure that your steel square is properly calibrated and free of any defects that could affect its accuracy. Next, take the two pieces of material that you will be joining together to create the compound mitered corner. Place one piece vertically and the other piece horizontally, forming an L-shape. Using the steel square, align one side of the square against the vertical piece of material, ensuring that it is flush with the edge. Then, rotate the square until the other side of the square aligns with the horizontal piece of material. At this point, you will have a reference angle formed by the two sides of the square. Take note of this angle or use a protractor to measure it. Now, to determine the compound miter angle, you need to divide this reference angle by 2. For example, if the reference angle is 90 degrees, the compound miter angle would be 45 degrees. Once you have the compound miter angle, you can set your miter saw or other cutting tool accordingly and make the necessary cuts on the material to achieve the compound mitered corner. It is important to note that compound mitered corners can be complex, especially when dealing with irregular shapes or multiple angles. In such cases, it is advisable to consult a professional or refer to specialized resources that provide detailed instructions for specific scenarios.
Q: How do you use a steel square to determine the angle of a compound bevel and miter cut?
To determine the angle of a compound bevel and miter cut using a steel square, you would first place the steel square against the edge of the material you are cutting. Then, align one leg of the square with the bevel cut line and the other leg with the miter cut line. By reading the measurement on the square where the two lines intersect, you can determine the angle of the compound bevel and miter cut.
Q: What are the different angles that can be measured with a steel square?
A versatile tool for measuring and creating various angles is a steel square, also known as a framing square or carpenter's square. Let's explore some of the angles that can be measured using this tool: 1. Right Angle: The most common angle that can be measured with a steel square is 90 degrees, representing a perfect right angle. Simply align the long edge of the square with one side of the object or surface to determine this angle easily. 2. Acute Angle: An acute angle is any angle measuring less than 90 degrees. To measure an acute angle with a steel square, align one side of the square with the object or surface and observe the gap between the other side of the square and the object. 3. Obtuse Angle: An obtuse angle is any angle measuring more than 90 degrees but less than 180 degrees. To measure an obtuse angle using a steel square, align one side of the square with the object or surface and observe the gap between the other side of the square and the object. 4. Scalene Angle: A scalene angle has three unequal sides. Align the steel square with one side of the object or surface and observe the gap between the other side of the square and the object to measure a scalene angle. 5. Isosceles Angle: An isosceles angle has two equal sides. To measure an isosceles angle with a steel square, align one side of the square with one of the equal sides of the object or surface and observe the gap between the other side of the square and the object. 6. Equilateral Angle: An equilateral angle has three equal sides. Align the steel square with one side of the object or surface and observe the gap between the other side of the square and the object to measure an equilateral angle. These examples provide a glimpse into the range of angles that can be measured with a steel square. However, it's important to note that a steel square is primarily designed for measuring right angles, and measuring other angles may require additional tools or techniques.
Q: How do you use a steel square for measuring roof pitch?
To measure the pitch of a roof using a steel square, you can follow these steps: 1. Get acquainted with the steel square: The steel square, also known as a framing square, is a versatile tool that has a long body and a shorter tongue perpendicular to it. The body typically measures 24 inches, while the tongue is around 16 inches. This square comes with different markings and angles that aid in precise measurement and cutting. 2. Determine the desired pitch: The pitch of a roof refers to its slope or steepness. It is commonly measured as rise over run, where the rise represents the vertical distance and the run symbolizes the horizontal distance. For instance, a 4:12 pitch means that for every 12 inches of horizontal distance, the roof rises 4 inches. 3. Align the square: Position the steel square with the body against the roof rafters or trusses, ensuring it runs parallel to the eaves. The eaves are the lower edges of the roof that extend beyond the walls. Align the square in a way that the tongue points upward towards the peak of the roof. 4. Measure the pitch: Locate the pitch scale on the body of the steel square. This scale is typically found on the outer edge and consists of a series of numbers representing pitch ratios. Place the square on the roof, aligning the edge with the eaves. Read the pitch ratio where the tongue intersects the scale. This will give you the measurement of the roof pitch. 5. Interpret the measurements: The obtained pitch ratio will indicate the steepness of the roof. For example, a 6:12 pitch means that the roof rises 6 inches for every 12 inches of horizontal distance. Using a steel square to measure roof pitch is a straightforward and efficient method. It enables you to accurately determine the slope of the roof, which is crucial for various roofing tasks such as shingle installation, rafter cutting, or estimating materials required for repairs or replacements.
Q: How do you use a steel square for creating precise miter joints?
Achieving precise miter joints using a steel square involves the following steps: 1. Begin by selecting an accurately calibrated steel square with clear markings. Ensure it is in good condition, free from rust or damage. 2. Measure and mark the desired angles for the miter joints on the wooden pieces you are working with. Typically, miter joints are cut at a 45-degree angle, but this may vary depending on your project. 3. Place the steel square along the edge of one of the wooden pieces, aligning it with the marked line for the miter joint. 4. Securely hold the square against the wood and use a pencil or marking knife to mark the cut line along the square's edge. Ensure the marking is clear and precise. 5. Repeat this process on the other wooden piece, ensuring both pieces are accurately marked and aligned. 6. Once the marking is complete, use a miter saw or hand saw to cut along the marked lines. Take your time and make precise cuts to ensure a tight and accurate miter joint. 7. After cutting, test-fit the two wooden pieces together to verify the accuracy of the miter joint. Make any necessary adjustments or refinements to achieve a perfect fit. Creating precise miter joints with a steel square is a simple process that requires precise measurement, marking, and accurate cutting. By following these steps and paying attention to detail, you can achieve seamless and clean miter joints for your woodworking projects.
Q: Can a steel square be used for laying out a raised bed garden?
Yes, a steel square can be used for laying out a raised bed garden. A steel square, also known as a framing square, is a versatile tool that can be used for measuring and marking right angles. It can help ensure that the corners of the raised bed garden are square and the sides are straight, making it easier to create a well-organized and aesthetically pleasing garden bed.
Q: Can a steel square be used for measuring angles in welding?
Indeed, measuring angles in welding can be achieved by utilizing a steel square. The steel square, which is also referred to as a framing square or a carpenter's square, is a highly adaptable tool extensively utilized in construction and welding. With its distinctive right angle shape, the steel square is equipped with markings and measurements on its surface. While it may not possess the same level of precision as specialized angle measuring instruments such as protractors or angle finders, a steel square can still serve effectively in measuring and marking angles in welding. To measure an angle using a steel square, one can align a side of the square with the reference line or surface, and subsequently employ the other side to ascertain the desired angle. The degree markings on the square facilitate accurate determination of the angle. Furthermore, the straight edge of the square can be employed to draw lines or execute cuts at specific angles. It is crucial to acknowledge, however, that the accuracy of the measurement hinges upon the precision of the steel square and the proficiency of the user. If elevated levels of accuracy are essential, it is advisable to employ specialized angle measuring instruments or digital angle finders that offer more meticulous measurements.
Q: What are some common measurements that can be taken with a steel square in metal fabrication?
In metal fabrication, one can employ a steel square to carry out various common measurements. To begin with, the steel square enables the determination of right angles. By aligning one side of the square with an edge or corner of a metal piece, one can utilize the other sides to assess if the angle is an exact 90 degrees. This step is pivotal in guaranteeing precise fabrication and welding. Furthermore, the steel square allows for the measurement and marking of straight lines. By aligning one edge of the square with a reference point on the metal, one can employ the other edges as a guide to draw straight lines or create accurate marks for cutting or drilling. Moreover, the steel square serves as a means to measure and mark angles. By adjusting the square to the desired angle, one can mark the angles on the metal for the purpose of cutting or bending. This proves especially beneficial when aiming to achieve precise bends or mitre cuts. Additionally, the steel square permits the verification of the flatness or levelness of a metal surface. By placing the square on the surface, one can identify any gaps or deviations from flatness. This aspect is crucial in ensuring the quality and accuracy of the fabricated metal piece. To sum up, the steel square serves as a versatile tool in metal fabrication, allowing for the measurement of right angles, straight lines, angles, and the checking of flatness or levelness. Its role in ensuring precision and accuracy throughout the metal fabrication process is of utmost importance.
Q: What are some common techniques for using a steel square in furniture making?
Some common techniques for using a steel square in furniture making include checking for squareness and ensuring accurate angles when cutting and joining wood pieces. The steel square is often used as a guide for marking and measuring right angles, as well as for creating precise miter cuts. It can also be used to ensure accurate placement of hardware and components during assembly. Overall, the steel square is an essential tool for maintaining accuracy and precision in furniture making.
Q: How do you use a steel square to measure diagonal distances?
To use a steel square to measure diagonal distances, you will need to follow a few simple steps. First, position the steel square on the object or surface you wish to measure. Make sure that one edge of the square aligns with the starting point of the diagonal distance you want to measure. Next, extend the other edge of the square until it reaches the endpoint of the diagonal distance. Ensure that the square is firmly held against the object or surface, maintaining a straight and accurate line. Once the square is in position, take note of the point where the extended edge intersects with the diagonal distance. This intersection point will help you determine the measurement. Finally, measure the distance from the starting point to the intersection point using the markings on the steel square. The steel square typically has clear and precise measurements etched onto its surface, allowing you to easily determine the diagonal distance. Remember to always handle the steel square with care and ensure it is properly aligned for accurate measurements.

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