• Hot Rolled Square Steel Bar Q235, SAE1020, SAE1045 System 1
  • Hot Rolled Square Steel Bar Q235, SAE1020, SAE1045 System 2
  • Hot Rolled Square Steel Bar Q235, SAE1020, SAE1045 System 3
Hot Rolled Square Steel Bar Q235, SAE1020, SAE1045

Hot Rolled Square Steel Bar Q235, SAE1020, SAE1045

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Loading Port:
Shanghai
Payment Terms:
TT or LC
Min Order Qty:
25 m.t.
Supply Capability:
200000 m.t./month

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Product Description:

OKorder is offering Hot Rolled Square Steel Bar Q235, SAE1020, SAE1045 at great prices with worldwide shipping. Our supplier is a world-class manufacturer of steel, with our products utilized the world over. OKorder annually supplies products to European, North American and Asian markets. We provide quotations within 24 hours of receiving an inquiry and guarantee competitive prices.

 

Product Applications:

Hot Rolled Square Steel Bar Q235, SAE1020, SAE1045 are ideal for structural applications and are widely used in the construction of buildings and bridges, and the manufacturing, petrochemical, and transportation industries.

-The Square Steel is normally used as structure steel.

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

 

Product Advantages:

OKorder's Hot Rolled Square Steel Bar Q235, SAE1020, SAE1045 are durable, strong, and resist corrosion.

 

Main Product Features:

·         Premium quality

·         Prompt delivery & seaworthy packing (30 days after receiving deposit)

·         Corrosion resistance

·         Can be recycled and reused

·         Mill test certification

·         Professional Service

·         Competitive pricing

Product Description:

Specifications of High Quality Square Steel Bar Q235, SAE1020:

-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

Packaging & Delivery of Hot Rolled Square Steel Bar Q235, SAE1020, SAE1045:

-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.

FAQ:

Q1: How soon can we receive the product after purchase?

A1: Within three days of placing an order, we will begin production. The specific shipping date is dependent upon international and government factors, but is typically 7 to 10 workdays.

Q2: The products are invoicing on theoritical weight or on actual weight? 

A2: We can do it in both manners, according to the customers' request.

Q3: How do we guarantee the quality of our products?

A3: We have established an advanced quality management system which conducts strict quality tests at every step, from raw materials to the final product. At the same time, we provide extensive follow-up service assurances as required.

 

Q:How do you use a steel square to lay out a compound miter cut?
To use a steel square to lay out a compound miter cut, you need to understand the angles and measurements involved. First, determine the desired angle for the miter cut. Then, use the square to mark a 90-degree angle on the edge of the material. Next, align the square's long edge with the desired angle line on the material, making sure the blade of the square intersects the 90-degree line. Finally, mark the cut line along the square's blade, ensuring it aligns with the desired miter angle. This method helps in accurately marking the compound miter cut before making the actual cut.
Q:What are the different markings on a steel square and their purposes?
A steel square is a versatile tool used in carpentry and other trades for measuring, marking, and laying out angles. It consists of a long, straight blade with a perpendicular handle, forming an "L" shape. The blade of a steel square typically has several markings that serve different purposes. 1. Inch Markings: The most common markings on a steel square are the inch markings along the blade. These markings allow for precise measurements when measuring lengths or distances. They are typically marked in increments of 1/16th of an inch, providing accurate measurements for various construction tasks. 2. Degree Markings: Another important set of markings on a steel square are the degree markings found on the handle. These markings indicate the angles from 0 to 90 degrees, allowing for precise angle measurements. Degree markings are useful for tasks such as cutting or marking angles on wood or other materials. 3. Rafter Tables: Some steel squares feature rafter tables, which are additional markings on the blade. Rafter tables provide measurements and calculations for common roof framing tasks, such as determining the length of a rafter or the angles required for roof pitches. These tables save time and help ensure accurate measurements when working on roofing projects. 4. Brace Measurement: Steel squares often have markings on the inside of the handle that help measure the width of boards or other materials. These markings are useful for quickly determining the width of a piece of wood, ensuring accurate cuts or joints. 5. Scribe Lines: Along the blade of a steel square, there may be small indentations or notches called scribe lines. These lines are used for marking a cut or a line on a workpiece. By placing a pencil or a knife in the scribe line and sliding it along the edge of the square, precise and straight lines can be marked on the material. Overall, the different markings on a steel square serve to provide accurate measurements, assist in angle calculations, aid in rafter-related tasks, and facilitate marking straight lines. These markings make the steel square an essential tool for carpenters, builders, and anyone involved in construction or woodworking.
Q:How do you use a steel square for marking stair handrail height?
To use a steel square for marking stair handrail height, first, position the square against the vertical post or newel at the base of the stairs. Ensure that the square's short leg is aligned with the top of the post, while the long leg extends upward, representing the desired handrail height. Use a pencil to mark along the long leg of the square onto the post. Repeat this process on the opposite post to ensure accuracy and consistency. Finally, connect the marks with a straight edge or level, providing a clear guideline for installing the handrail at the appropriate height.
Q:How do you use a steel square to measure and mark 101.25-degree angles?
To use a steel square to measure and mark a 101.25-degree angle, you would need to follow these steps: 1. Start by placing the long side of the steel square, also known as the blade, flat against the edge of the material you want to mark. Ensure the square is aligned properly and securely against the edge. 2. Next, locate the degree scale on the square. This scale is usually found on the inside of the square near the corner where the blade and the tongue meet. 3. Look for the 90-degree mark on the degree scale. This is usually the largest mark on the scale and represents a right angle. Align the 90-degree mark with the edge of the material. 4. Now, locate the 0-degree mark on the scale. This is typically the starting point of the scale closest to the blade. It represents a straight angle. Align the 0-degree mark with the edge of the material as well. 5. With the 90-degree mark and the 0-degree mark aligned, you can now find the 101.25-degree mark on the scale. This might require some estimation, as most steel squares do not have specific markings for angles beyond 90 degrees. 6. Once you have identified the approximate position for 101.25 degrees, make a small mark on the material at that point. You can use a pencil or a scribe to ensure accuracy. 7. To double-check your measurement, you can use the square to draw a line through the marked point. This line should be at a 90-degree angle to the edge of the material. If the line is not perpendicular, you may need to readjust your measurement and mark. Remember, using a steel square to measure and mark angles beyond 90 degrees may require some estimation and accuracy may vary. It is always advisable to use a protractor or angle measuring tool for more precise measurements if available.
Q:How do you use a steel square to determine the length of a handrail?
To determine the length of a handrail using a steel square, follow these steps: 1. Start by checking that the steel square is clean and clear of any debris or rust that could impact the accuracy of your measurements. 2. Place the steel square against one end of the handrail, ensuring it is flush with the end. 3. Move the steel square along the handrail's length until it reaches the other end, making sure it remains flush against the handrail throughout. 4. Once the square is aligned with the handrail's other end, take note of the measurement shown on the square. This measurement represents the handrail's length. 5. Remember that steel squares usually have measurements on both the inside and outside edges. Be sure to refer to the appropriate measurement line based on your specific requirements. 6. If you are dealing with a handrail that has multiple sections or curves, repeat the above steps for each section. For curved handrails, additional measurements along the curve may be necessary to ensure accuracy. Using a steel square to determine the length of a handrail is a straightforward and efficient method, providing precise measurements for construction or renovation projects.
Q:Can a steel square be used for concrete formwork layout?
Yes, a steel square can be used for concrete formwork layout. The steel square is a versatile and accurate tool that can be used to measure, mark, and layout various angles and dimensions required for concrete formwork. Its sturdy construction and precise measurements make it suitable for ensuring the proper alignment and positioning of formwork components during concrete construction.
Q:What is the difference between a steel square and a framing square?
A steel square and a framing square are both measuring tools commonly used in construction, but they have some key differences. A steel square, also known as a carpenter's square or a rafter square, is typically made of steel and has a shorter blade with a longer tongue. It is used for various layout tasks, such as marking right angles, finding the angle of a roof, or measuring angles for cuts. It usually has multiple scales and markings on its surfaces to assist in precise measurements. On the other hand, a framing square, also called a carpenter's square or a rafter square, is typically made of aluminum or steel and has a longer blade and shorter tongue. It is specifically designed for framing work, such as laying out and cutting rafters, stairs, or other structural elements. It often features additional features like tables for rafter lengths, stair calculations, and common angles used in framing. In summary, while both steel squares and framing squares are used for construction measurements, a steel square is more versatile and suitable for general layout tasks, while a framing square is specialized for framing work and includes additional features specific to that trade.
Q:What are some common uses of a steel square in blacksmithing?
A steel square, also known as a layout square or framing square, is a versatile tool used in various aspects of blacksmithing. Here are some common uses of a steel square in blacksmithing: 1. Checking and verifying right angles: A steel square is primarily used to ensure that corners and angles are perfectly square. It is commonly used to check the squareness of workpieces, such as forging projects or structural components. This ensures precision and accuracy in the final product. 2. Layout and marking: Blacksmiths often use a steel square to lay out and mark patterns or designs on their workpieces. The square's straight edges and right angles help in creating consistent and symmetrical shapes. It can be used to draw parallel lines, perpendicular lines, or to measure and mark specific lengths. 3. Centering and alignment: Aligning or centering a workpiece is crucial in blacksmithing. A steel square aids in achieving this by providing a reference point. It can be used to ensure that a piece is centered on an anvil or other tools, guaranteeing a balanced and even distribution of forces during forging. 4. Testing flatness: A steel square is an excellent tool for checking the flatness of a surface. By placing the square's edge against a workpiece, a blacksmith can identify any gaps or irregularities. This is particularly helpful to ensure that a forging project is flat and evenly shaped, especially when working on blades, tools, or other items that require precise flatness. 5. Setting up tools and equipment: Blacksmiths frequently use a steel square to set up and align their tools and equipment. It helps in positioning various components, such as anvils, hammers, tongs, or vices, at right angles to each other. This ensures stability and consistency in the blacksmithing process. Overall, a steel square is an indispensable tool for a blacksmith. Its ability to measure, mark, align, and ensure right angles makes it a versatile and essential tool in various stages of the blacksmithing process.
Q:Can a steel square be used for checking the levelness of a surface?
No, a steel square is not typically used for checking the levelness of a surface. A steel square, also known as a carpenter's square or a try square, is primarily used for measuring and marking right angles in woodworking and construction. It is not specifically designed or calibrated for determining levelness. For checking the levelness of a surface, a level tool such as a spirit level or a laser level is more appropriate. These tools are specifically designed to indicate whether a surface is perfectly horizontal or vertical by utilizing a bubble or laser line respectively.
Q:Can a steel square be used for layout and design work?
Yes, a steel square can be used for layout and design work. Steel squares are commonly used in carpentry and metalworking to ensure accurate measurements and right angles. They are versatile tools that can be used for various layout and design tasks, such as marking and checking angles, laying out perpendicular lines, and measuring distances. Their durability and precision make them suitable for both professional and DIY projects.

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