• 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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China Main Port
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TT OR LC
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-
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 ensure the correct angle for a mitered corner joint?
To use a steel square to ensure the correct angle for a mitered corner joint, you can follow these steps: 1. Start by preparing the two pieces of material that will be joined at a mitered corner. Ensure that they are cut at a 45-degree angle, which is the standard angle for a miter joint. 2. Place the steel square on the corner where the two pieces of material will be joined. Make sure that one side of the square aligns with the edge of one piece, and the other side aligns with the edge of the other piece. 3. Check the alignment of the square against both pieces of material. The corner of the square should perfectly fit into the corner of the joint. If it doesn't, it means that the angle of the cut is incorrect. 4. If the corner is not aligned, adjust the angle of one or both of the pieces until the square fits perfectly into the joint. This may involve trimming or sanding the edges until they match up properly. 5. Once the square fits into the joint without any gaps or overlaps, you can proceed with joining the pieces together using your preferred method, such as nails, screws, or glue. By using a steel square to check the angle of the mitered corner joint, you can ensure that the joint is accurate and that the two pieces of material will fit together seamlessly. This is essential for achieving a professional and visually appealing finish in carpentry or woodworking projects.
Q:How do you use a steel square for creating accurate lap joints?
To use a steel square for creating accurate lap joints, first, mark the desired length of the lap joint on both pieces of wood. Next, position the steel square on each piece, aligning the edge of the square with the marked lines. Then, use a pencil to trace along the edge of the square on each piece. This will ensure precise and parallel lines. Finally, cut along the traced lines using a saw, and the resulting lap joints should fit together accurately.
Q:How do you use a steel square to determine the angle of a roof pitch?
To determine the angle of a roof pitch using a steel square, you would align the long edge of the square with the bottom edge of the roof and the tongue (shorter edge) with the slope of the roof. Then, you can read the angle measurement marked on the square to determine the roof pitch angle.
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 lay out a dovetail joint?
To use a steel square to lay out a dovetail joint, begin by marking the thickness of the boards on their ends using the square. Next, place the square on the end of one board, aligning it with the edge. Use the square to mark the desired angle for the dovetail, ensuring it is consistent across the joint. Repeat this step on the other board, ensuring both angles match. Finally, connect the marks on both boards to complete the layout of the dovetail joint.
Q:What are the markings on a steel square?
The markings on a steel square typically consist of a combination of numbers, lines, and symbols that are used for various measurements and angles. The most common markings found on a steel square include a ruler scale along the edges, which allows for accurate measurements of length and width. These ruler scales are often marked in both inches and centimeters, allowing for versatility in measurement systems. Additionally, there are markings on the face of the steel square that indicate angles. This includes a protractor scale, which is a circular marking that allows for measuring angles from 0 to 180 degrees. The protractor scale is useful for drawing or measuring angles in carpentry, metalworking, and other trades. Furthermore, steel squares often have markings that assist in making precise cuts or angles. This can include lines indicating common angles such as 45 degrees or 90 degrees, as well as markings for marking out common rafter lengths or stair stringer layouts. In summary, the markings on a steel square are designed to aid in accurate measurements, angles, and cuts in various trades.
Q:Can a steel square be used for deck building?
Yes, a steel square can definitely be used for deck building. Steel squares, also known as framing squares or carpenter squares, are versatile tools that are commonly used in construction projects, including deck building. They are typically made of steel and have a 90-degree angle, allowing for accurate measurements and angles to be marked and cut. Steel squares are particularly useful for laying out and measuring the framing of a deck, ensuring that the corners are square and the joists are properly aligned, resulting in a structurally sound and level deck. Additionally, steel squares are durable and can withstand the rigors of outdoor construction, making them a reliable tool for deck building.
Q:What are some common uses for a steel square in construction?
A steel square, also known as a framing square or carpenter square, is a versatile tool commonly used in construction for various purposes. Here are some common uses for a steel square in construction: 1. Measuring and layout: A steel square is often used to measure and mark straight lines, right angles, and other angles accurately. It allows construction professionals to lay out and mark dimensions on various materials such as wood, metal, and concrete. 2. Checking for squareness: One of the primary uses of a steel square is to check if corners and joints are square. By placing the square against the corner, it helps determine if the angle is exactly 90 degrees, ensuring precise and accurate construction. 3. Cutting and marking angles: Steel squares come with a protractor scale, allowing construction workers to measure and mark angles other than 90 degrees. This is particularly useful when cutting materials at specific angles, such as when creating miter cuts or roof rafters. 4. Determining roof pitches: Roofers use steel squares to measure and determine roof pitches or slopes. By aligning the square with the roof's edge, they can calculate the angle and ensure that the roof pitch is correct for proper water drainage. 5. Guiding circular saws and other power tools: Steel squares can act as a straight edge guide for circular saws, ensuring accurate cuts. By holding the square against the material and running the saw blade alongside it, construction professionals can make straight and precise cuts. 6. Creating parallel lines: Steel squares can be used to create parallel lines on various surfaces. By aligning the square's edge with a reference point and marking along the other side, construction workers can easily draw or mark parallel lines on the material. 7. Checking and marking stud locations: In framing or wall construction, steel squares are handy tools for locating and marking stud positions. By using the square's dimensions, construction professionals can measure and mark stud locations accurately, ensuring proper spacing and alignment. 8. Setting up right angles: Steel squares are commonly used to set up right angles during construction. They help ensure that walls, frames, and other structures are properly aligned and perpendicular, resulting in strong and sturdy construction. Overall, a steel square is an essential tool in construction due to its versatility and accuracy. It enables construction professionals to measure, layout, and mark various angles and dimensions, ensuring precise and high-quality construction projects.
Q:Can a steel square be used for measuring angles in plumbing pipe cuts?
Indeed, when it comes to measuring angles in plumbing pipe cuts, a steel square comes in handy. This tool, which is alternatively referred to as a framing square or carpenter's square, proves to be quite versatile in accurately measuring and marking angles. Its design typically incorporates a 90-degree angle and a 45-degree angle, both of which are frequently employed in plumbing pipe cuts. Plumbers can achieve precise and accurate cuts by aligning the square with the pipe and marking the desired angle. It is worth noting, however, that specialized tools like a miter saw or angle finder may be necessary for more intricate angles or cuts.
Q:Can a steel square be used for rafter layout and construction?
Yes, a steel square can be used for rafter layout and construction. Steel squares, also known as framing squares or carpenter squares, are versatile tools commonly used by carpenters and builders for various tasks, including laying out rafters. They have measurements and angles marked on their surfaces that allow for accurate measurements and cuts when constructing rafters.

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