Hot Rolled Square Bar Steel for Constrcution

Hot Rolled Square Bar Steel for Constrcution System 1

Hot Rolled Square Bar Steel for Constrcution

Ref Price:

Loading Port:: Tianjin

Payment Terms:: TT or LC

Min Order Qty:: 25 m.t.

Supply Capability:: 200000 m.t./month

Inquire Now

Add to My Favorites

OKorder Service Pledge

Quality Product, Order Online Tracking, Timely Delivery

OKorder Financial Service

Credit Rating, Credit Services, Credit Purchasing

Product Description:

OKorder is offering Hot Rolled Square Bar Steel for Constrction 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:

-The Hot Rolled Square Bar Steel for Constrction 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 Bar Steel for Constrction are durable, strong, and resist corrosion. Ang they satisfy the requirements of dififrent customers.

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 of Hot Rolled Square Bar Steel for Constrcution:

Specifications of Hot Rolled Square Bar Steel for Constrcution:

-Standard: GB,

-Grade: Q195/Q235 or equivalent.

Chemical Composition:

-Chemical Composition. Q195

Standard	Grade	Element (%)
GB	Q195	C	Mn	S	P	Si
GB	Q195	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
GB	Q235B	0.12~0.20	0.30~0.70	≤0.045	≤0.045	≤0.30

Measures and Tolerances of Hot Rolled Square Bar Steel for Constrcution:

Section of Square Steel Bar.

(The section of Hot Rolled Square Bar Steel for Constrcution)

-The length of a side and the theoretical weight of Hot Rolled Square Bar Steel for Constrcution.

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
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

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.

Hot Rolled Square Bar Steel for Constrcution

FAQ:

Q1: The products are invoicing on theoritical weight or on actual weight?

A1: We can do it in both manners, according to the customers' request.

Q2: How soon can we receive the product after purchase?

A2: 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.

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 determine the center of a circle using a steel square?: To find the center of a circle with the help of a steel square, the following procedure can be followed: 1. Ensure that the steel square is placed on a flat and stable surface. 2. Position the circle, which you intend to locate the center of, on the steel square. It is important to ensure that the circle is larger than the steel square, extending beyond its edges. 3. Align and center the circle with the edges of the steel square. A ruler or measuring tape can be used to confirm that the distance between the circle's edge and the square's edge is the same on all sides. 4. Once the circle is accurately aligned and centered, extend lines along the edges of the steel square, going beyond the circle. 5. Using a ruler or straightedge, draw a diagonal line that connects two opposite corners of the square. This diagonal line should pass through the center of the circle. 6. Repeat step 5 to draw another diagonal line, connecting the remaining two opposite corners of the square. The point where these two diagonal lines intersect is the center of the circle. 7. Clearly mark the center point on the circle by using a pencil or marker. By meticulously following these steps and utilizing the steel square's right angles and straight edges, an accurate determination of the circle's center can be achieved.

Q: Can a steel square be used for checking the levelness of shelves?: No, a steel square cannot be used for checking the levelness of shelves. A steel square, also known as a framing square, is primarily used in carpentry and woodworking to measure and mark angles and to ensure the accuracy of right angles. It is not designed or suitable for checking the levelness of shelves. To check the levelness of shelves, a level tool such as a spirit level or a laser level should be used. These tools are specifically designed to determine if a surface is perfectly horizontal or level. They provide a much more accurate and reliable measurement for ensuring the levelness of shelves.

Q: Can a steel square be used for checking the squareness of a shaper fence?: Yes, a steel square can be used for checking the squareness of a shaper fence. A steel square is a precision measuring tool that is commonly used in woodworking and metalworking to ensure that angles and edges are perfectly square. To check the squareness of a shaper fence, you can place the steel square against the fence and the table of the shaper, ensuring that it is flush against both surfaces. By observing the alignment of the square with the fence and table, you can determine if the fence is accurately set at a 90-degree angle. If the square does not align perfectly, adjustments can be made to the shaper fence until it is square.

Q: 4*4 steel welding frame tank do strong?: If you want to be firm, you can use the three and four sections. The middle slot can be clamped on the edge of the fish tank, and the tripod should be four. It's so convenient and strong!

Q: What are some common uses of a steel square in metal fabrication?: A steel square, also known as a framing square or carpenter's square, is a versatile tool that has numerous uses in metal fabrication. Here are some common uses: 1. Measuring and marking: A steel square is used to measure and mark straight lines accurately. It has a long blade and a shorter tongue that meet at a 90-degree angle, allowing precise measurements and marking of right angles. 2. Checking squareness: In metal fabrication, it is crucial to ensure that corners and joints are perfectly square to ensure structural integrity. A steel square can be used to check the squareness of components, ensuring they are aligned correctly before welding or fastening. 3. Layout work: A steel square is often used in layout work, where precise measurements and marking are necessary. It helps in marking out angles, notches, or other specific dimensions on metal pieces, ensuring accuracy and consistency. 4. Cutting and sawing: When cutting metal sheets or bars, a steel square can be used to guide the saw or cutting tool, ensuring straight and accurate cuts. It acts as a guide, allowing fabricators to maintain straight lines and angles during cutting operations. 5. Checking flatness: A steel square can also be used to check the flatness of metal surfaces. By placing the square against a surface, fabricators can identify any deviations or irregularities, ensuring the metal is flat and suitable for further fabrication processes. 6. Checking diagonals: When fabricating structures such as frames or supports, it is essential to check their squareness by measuring the diagonals. A steel square simplifies this process, allowing fabricators to measure the diagonals accurately, ensuring the structure is properly aligned. 7. Making accurate 45-degree cuts: A steel square typically has a 45-degree angle marked on its blade, allowing fabricators to make precise 45-degree cuts on metal pieces. This is particularly useful when creating mitre joints or other angled cuts. In summary, a steel square is an indispensable tool in metal fabrication that helps with measurement, marking, layout work, checking squareness, guiding cutting operations, and ensuring flatness. Its versatility and accuracy make it a staple tool for metal fabricators.

Q: How do you use a steel square to determine the angle of a compound spindle sanding cut?: To use a steel square to determine the angle of a compound spindle sanding cut, you would first position the steel square against the spindle at the desired angle. Then, you can measure the angle formed between the square and the spindle using the markings on the square. This measurement will help you determine the exact angle for your compound spindle sanding cut.

Q: What are the different ways to hold a steel square when making measurements in metalworking?: There are several different ways to hold a steel square when making measurements in metalworking, depending on the specific task at hand and personal preference. Here are a few common methods: 1. Handheld Method: This is the most basic and commonly used method. Simply hold the steel square firmly in your hand and align it with the edge or surface you're measuring. Ensure that the square is flush against the material to get accurate measurements. 2. Clamping Method: When measuring large or heavy pieces of metal, it may be challenging to hold the square with one hand. In such cases, clamping the square to the workbench or workpiece can provide stability. Use a C-clamp or a quick-release clamp to secure the square in place, ensuring that it does not move during the measurement process. 3. Magnetic Method: Some steel squares have built-in magnets, allowing them to stick to metal surfaces. This can be useful when you need to measure a piece that is already attached to a magnetic surface, such as a machine or tool. Simply place the square on the metal surface, and it will stay in place due to the magnetic force. 4. Vise Method: A vise is a common tool in metalworking, and it can be utilized to hold a steel square securely. Open the vise, place the square between the jaws, and tighten the vise to grip the square tightly. This method is particularly useful when you need both hands free to perform other tasks while keeping the square in place. 5. Double-Sided Tape Method: In situations where you don't want to leave any marks or damage the material, you can use double-sided tape. Apply a strip of strong adhesive tape to one side of the steel square and press it firmly onto the surface you're measuring. The tape will hold the square securely, allowing you to take measurements without any obstruction. Remember, regardless of the method you choose, always ensure that the steel square is aligned properly and tightly held to obtain accurate measurements in metalworking.

Q: Can a steel square be used for checking the squareness of shelving units?: Yes, a steel square can be used for checking the squareness of shelving units.

Q: Are there any safety precautions to consider when using a steel square?: Yes, there are safety precautions to consider when using a steel square. Firstly, it is important to handle the square with care to avoid any injuries or cuts from its sharp edges. Additionally, one should ensure that the working area is well-lit and free from any obstructions to prevent accidents. It is also necessary to use the square on a stable and flat surface to ensure accurate measurements and avoid any instability that could lead to injuries. Lastly, it is advisable to wear appropriate protective gear, such as gloves and safety glasses, to minimize any potential hazards.