High Quality GB Standard Steel Square Bar 26mm-30mm

High Quality GB Standard Steel Square Bar 26mm-30mm System 1

High Quality GB Standard Steel Square Bar 26mm-30mm

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Loading Port:: Tianjin

Payment Terms:: TT OR LC

Min Order Qty:: 25 m.t

Supply Capability:: 10000 m.t/month

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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
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 Square Steel Bar:

Section 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
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

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.

Q:How do you use a steel square to find the square footage of a deck?: To use a steel square to find the square footage of a deck, you would start by measuring the length and width of the deck using the steel square. Then, multiply the length and width measurements together to calculate the square footage of the deck.

Q:How do you use a steel square to determine the angle of a rip cut?: To use a steel square to determine the angle of a rip cut, you will need to follow these steps: 1. Begin by placing the steel square against the edge of the board you want to cut, making sure it is flush and square. 2. Next, locate the scale on the steel square that represents degrees or angles. This is usually found on the outer edge of the square. 3. Align the scale with the edge of the board, ensuring that the blade of the square is perpendicular to the board's edge. 4. Once the square is aligned, look for the number on the scale that indicates the angle you want to cut. For example, if you need a 45-degree rip cut, locate the corresponding mark on the scale. 5. Once you have found the correct angle, mark the board along the blade of the steel square. This will indicate where the cut should be made. 6. Finally, use a saw or other cutting tool to follow the marked line and make the rip cut at the desired angle. Remember to always double-check your measurements and ensure the steel square is properly aligned before making any cuts. Using a steel square can help you achieve accurate and precise rip cuts by providing a reliable reference for determining the angle.

Q:How do you use a steel square to determine board footage?: Determining board footage using a steel square requires following a few simple steps. Firstly, utilize the shorter arm of the square to measure the width of the board. Align the square with the board's edge and ensure that the shorter arm matches the width. Make note of the measurement where the longer arm intersects the board's edge. Proceed to measure the length of the board using the longer arm of the steel square. Align the square with one end of the board and ensure that the longer arm matches the length. Again, make note of the measurement where the shorter arm intersects the board's end. Calculate the square footage of the board by multiplying the width and length measurements. For instance, if the width is 6 inches and the length is 8 feet, the calculation would be 6 inches multiplied by 8 feet, resulting in 48 square feet. To determine the board footage, which represents the board's volume, divide the square footage by 12 (due to the 12 inches in a foot) and round to the nearest whole number. In the previous example, dividing 48 square feet by 12 would yield a board footage of 4. The process of using a steel square to determine board footage is a simple one that can be easily accomplished with accurate measurements and basic multiplication and division calculations.

Q:Can a steel square be used for checking the squareness of a table?: Indeed, a table's squareness can be evaluated using a steel square. Functioning as a measurement device, a steel square comprises a metal blade complemented by a perpendicular handle. It is frequently employed in carpentry and various other trades to guarantee the presence of right angles and squareness. To assess a table's squareness, one can position the steel square against the table's edges or corners to ascertain if they create impeccable right angles. In the event that the table is square, the steel square's blade ought to flawlessly align with the edges, signifying the table's squareness. Nonetheless, it is crucial to ensure that the steel square itself is accurately manufactured and calibrated to guarantee dependable outcomes.

Q:How do you use a steel square to measure the height of a cabinet?: To use a steel square to measure the height of a cabinet, place the square vertically against the side of the cabinet, ensuring that it is flush with both the top and bottom edges. Then, read the measurement on the vertical side of the square where it aligns with the top of the cabinet. This will give you an accurate measurement of the cabinet's height.

Q:What are some safety precautions to follow when using a steel square?: To prevent accidents and ensure safe usage, it is crucial to adhere to certain safety precautions while utilizing a steel square. Take note of the following measures: 1. Prioritize personal safety by wearing appropriate personal protective equipment (PPE) like safety glasses and gloves to shield oneself from potential hazards. 2. Verify the integrity of the steel square by ensuring it is in good condition, devoid of cracks, bends, or any other indications of damage. 3. Treat the steel square with care at all times, refraining from dropping it or engaging in rough handling that may result in injury. 4. Utilize the steel square on a stable and secure surface, avoiding slippery or uneven surfaces that could cause it to slip or tip over. 5. Maintain proper posture and body mechanics while employing the steel square. Adopt a stable stance, avoid overreaching, and refrain from excessive bending that may strain muscles or disturb balance. 6. When implementing the steel square for marking or measuring, consistently secure the workpiece to prevent any movement during the process. 7. Employ the correct markings or measurements on the steel square, ensuring their accuracy. Double-check measurements to avoid errors that may lead to mistakes or accidents. 8. Refrain from exerting excessive force or pressure while using the steel square. Allow the tool's weight to do the work, avoiding unnecessary force that may cause slippage or damage to the workpiece. 9. Keep hands and fingers away from the cutting or marking edges of the steel square to prevent accidental cuts or injuries. 10. When not in use, store the steel square in a designated and safe location, keeping it away from potential hazards or areas where it may be knocked over or damaged. By adhering to these safety precautions, a secure and accident-free experience can be ensured when utilizing a steel square.

Q:Can a steel square be used for checking the levelness of a floor?: Using a steel square to check the levelness of a floor is not possible. This tool is mainly employed in carpentry and woodworking to measure and mark right angles. It lacks the design and calibration needed to assess the horizontal surface of a floor. For this task, a more suitable tool would be a level, such as a spirit level or laser level. These tools are explicitly created to determine the levelness of a floor and provide precise readings of the horizontal plane. Additionally, they can assist in identifying any unevenness or slopes present in the floor.

Q:Can a steel square be used for checking the alignment of tiles?: Certainly! A steel square is capable of being utilized to assess tile alignment. This versatile tool is frequently employed in both carpentry and tile work. Its straight edges and right angles render it highly suitable for guaranteeing the proper alignment and levelness of tiles. Placing the steel square against the tile edges facilitates an effortless determination of their correct alignment, allowing for necessary adjustments if required. Additionally, the steel square is also adept at examining the tile corners, ensuring the formation of flawless right angles. In conclusion, a steel square is a dependable instrument for assessing tile alignment and contributes to the attainment of a professional and visually appealing outcome.

Q:Round and square steel which is strong: The steel production and processing type of hot-rolled and cold drawn two. Hot rolled steel length of 5 ~ 250mm, 3 ~ 100mm length of cold drawn steel.According to the carbon content and the corresponding use, import and export of round steel can be divided into two categories: low carbon round bar and medium carbon. Low carbon raw materials mainly used for wire drawing, forging rivets, bolts and nuts and other metal products. Carbon steel and round steel commonly used to make mechanical parts.

Q:Can a steel square be used for checking the levelness of countertops?: No, a steel square is not typically used for checking the levelness of countertops.

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