Hot Rolled Steel Flat Bars

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Loading Port:: Tianjin

Payment Terms:: TT OR LC

Min Order Qty:: -

Supply Capability:: 200000 m.t./month

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Specification of Hot Rolled Steel Flat Bar

Commodity: Hot Rolled Steel Flat Bar

Standard: GB;JIS

Material: Q195-Q235

Brand name: FLATSPACE

Origin place: China

Thickness: 3mm-30mm

Width:20mm-200mm

Length: Max 12m

Certification: SGS/BV

Chemical composition of Q235

Alloy No

Grade

Element(%)

Q235

0.12—0.20

0.3—0.7

≤0.045

≤0.3

Physical properties of Q235

Alloy No	Grade	Yielding strength point(Mpa)				Tensile strength (Mpa)	Elongation after fracture(%)
		Thickness (mm)					Thickness (mm)
		≤16	＞16--40	＞40--60	＞60--100		≤16	＞16--40	＞40--60	＞60--100
		≥					≥
Q235	B	235	225	215	205	375--500	26	25	24	23

Usage/Applications of Hot Rolled Steel Flat Bar

Widely used for construction, Machinery manufacturing, Iron tower steel structure, Shipbuilding; Steel grating, Staircase, Bridge, Viaduct, Railway spare parts, Boilers making etc.

Production Flow of Hot Rolled Steel Flat Bar

The steel flat bar is made through three processes:

1.Feeding the material: Feeding the row material (the steel plate) to Slitting Line.

2.Slitting:The steel plate would be slitted into expected width by lengthways cutter.

3. Leveled and cutting: The plat bar would be ground into level by the grinder and then cut into required length.

Packaging & Delivery of Hot Rolled Steel Flat Bar

1.Packaging Details: The Steel Flat Bars are packed in bundles and loaded in 20 feet/40 feet container, or shipped by bulk cargo ,also we can do as customer's requirements.

2.Delivery Details:30~45 days upon the receipt of buyer payment by T.T. or L/C.

3. Marks:

Color marking: There will be color marking on both end of the bundle for the cargo delivered by bulk vessel. That makes it easily to distinguish at the destination port.

Tag mark: there will be tag mark tied up on the bundles. The information usually including supplier logo and name, product name, made in China, shipping marks and other information request by the customer.

If loading by container the marking is not needed, but we will prepare it as customer requests.

Packing the Hot ROlled Steel Flat Bar in Bundles

Loading the Hot Rolled Steel Flat Bar in Containers

Q: Can a steel square be used for checking the squareness of a jointer guard?: Using a steel square to check the squareness of a jointer guard is not possible. The primary function of a steel square is to assess the squareness of edges and corners, and it may not yield precise outcomes when employed for examining the squareness of a jointer guard. Jointer guards have specific angles and dimensions that necessitate proper alignment for safety and optimal performance. It is advisable to utilize the appropriate tools and techniques recommended by the manufacturer or seek guidance from a professional to guarantee accurate squareness of a jointer guard.

Q: Can a steel square be used for checking the squareness of a drill press table?: No, a steel square is not suitable for checking the squareness of a drill press table. It is designed for measuring and marking right angles, but it does not provide the necessary accuracy and precision required for checking the squareness of a drill press table. A specialized tool such as a precision square or a machinist's square should be used for this purpose.

Q: Can a steel square be used for tile shower layout?: Indeed, a tile shower layout can benefit from the utilization of a steel square. Known as a framing square or carpenter's square, a steel square is a versatile tool commonly employed in construction and woodworking. Comprising a long arm and a shorter arm that intersect at a 90-degree angle, it is particularly suitable for ascertaining right angles and guaranteeing precision in measurements and layout. In terms of tile shower layout, incorporating a steel square can prove advantageous in guaranteeing the proper alignment and squareness of the walls, floors, and corners. It can facilitate the creation of straight lines, the assessment of squareness, and the assurance of even and symmetrical tile placement. To employ a steel square for tile shower layout, one can commence by measuring and marking the starting point on the wall or floor before aligning the square with these marks to verify squareness. This process assists in determining whether the walls are perpendicular and if the angles measure 90 degrees, which is crucial for achieving a properly aligned shower. Moreover, a steel square can also serve to measure and mark the tiles themselves. By aligning the square with the edges of the tiles, one can ensure accurate cuts, leading to a more precise and professionally finished tile installation. All in all, while alternative tools exist for tile shower layout, a steel square can undoubtedly be employed with efficacy. Its robust construction and precise measurements render it a reliable option for ensuring accuracy and attaining a well-aligned and aesthetically pleasing tile shower.

Q: How do you use a steel square to determine the angle of a compound miter and bevel cut?: To use a steel square to determine the angle of a compound miter and bevel cut, you will need to follow a few steps. First, ensure that your steel square is clean and in good condition. Place the square against the edge of the material you will be cutting. Next, adjust the square to align with the desired angle of the miter cut. This can be done by loosening the lock nut on the square and rotating the blade until it matches the desired angle. Once it is set, tighten the lock nut to secure the position. Now, take note of the angle indicated by the square. You can use the markings on the square to measure the angle accurately. For the bevel cut, you will need to adjust the square accordingly. Loosen the lock nut on the blade and tilt it until it aligns with the desired bevel angle. Once set, tighten the lock nut to secure the blade in place. Again, take note of the angle indicated by the square to ensure accuracy. It is important to note that a steel square is a manual tool and may not provide the same level of precision as specialized tools like a digital protractor or angle finder. However, with proper care and attention to detail, a steel square can still be a reliable tool for determining the angles of compound miter and bevel cuts.

Q: How do you use a steel square to determine angles for window trim?: Achieving accurate angles for window trim can be accomplished by following these steps with a steel square: 1. Begin by measuring the width and height of the window opening using a tape measure. Make note of these measurements. 2. Proceed by positioning the steel square against the corner of the window opening, ensuring that one edge of the square aligns with the side of the window frame. 3. Take a pencil or marker and create markings along the edge of the square where it intersects with the top and bottom of the window frame, effectively forming two lines on the square's edge. 4. Subsequently, detach the steel square from the window frame and align the marked lines on the square with the corresponding sides on the ruler of the square. 5. Observe the angle measurement on the ruler where the opposite edge of the square intersects. This measurement provides the angle required for cutting the window trim. 6. Transfer this angle measurement onto the window trim material using a protractor or an adjustable angle tool for precise accuracy. Make a mark on the trim material indicating the angle. 7. Utilize a miter saw or handsaw to carefully cut the window trim along the marked angle. Ensure that the cut aligns precisely with the marked line. 8. Verify the fit of the cut trim piece against the window opening to ensure it is appropriately sized. If necessary, make any required adjustments to the angle by recutting the trim. By utilizing a steel square, one can achieve precise angle measurements for window trim, resulting in a professional finish and a proper fit.

Q: How do you use a steel square to lay out a stair stringer?: To use a steel square for laying out a stair stringer, follow these steps: 1. Gather the necessary tools: a steel square, a tape measure, a pencil, a framing square, and a saw. 2. Start by determining the total rise of the stairs. Measure the vertical distance from the finished floor at the bottom to the finished floor at the top of the stairs. This measurement will determine the number of risers needed. 3. Determine the desired height of each riser. Building codes typically require a riser height between 6 and 8 inches. Divide the total rise by the desired riser height to calculate the number of risers. 4. Next, determine the tread depth. Building codes typically require a tread depth between 9 and 11 inches. Measure the horizontal distance between the finished floor at the bottom and the finished floor at the top of the stairs. Divide this measurement by the number of treads to determine the tread depth. 5. Lay the framing square on the edge of the stringer, aligning the heel of the square with the bottom of the stringer and the blade with the tread depth measurement. Mark a line along the blade of the square. 6. Move the square up to the top of the stringer, aligning the heel with the top and the blade with the riser height measurement. Mark a line along the blade of the square. 7. Connect the two lines marked on the stringer to form the outline of the stringer. Use a straight edge to ensure that the lines are straight and square. 8. Repeat this process for the desired number of stringers, typically two for a standard staircase. 9. Use a saw to cut along the lines marked on the stringer to create the stair stringer. By following these steps and using a steel square, you can accurately lay out a stair stringer and ensure the construction of a safe and properly aligned staircase.

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 determine the slope of a sidewalk?: To use a steel square to determine the slope of a sidewalk, you would need to follow these steps: 1. Start by finding a flat area on the sidewalk where you can place your steel square. Make sure it is a section of the sidewalk that you want to measure the slope of. 2. Position the steel square on the sidewalk, ensuring that one edge of the square is parallel to the direction of the slope or slant you want to measure. 3. Hold the square firmly against the sidewalk, making sure it is level and not tilted in any way. It is crucial to keep the square steady and stable for an accurate measurement. 4. Look at the measuring scale on the steel square. Typically, there will be two scales on the square – one on the shorter side and one on the longer side. These scales usually provide measurements in inches or centimeters. 5. Observe where the edge of the sidewalk aligns with the measuring scale on the steel square. The corresponding measurement on the scale will indicate the vertical distance or rise from the sidewalk edge to the square's edge. 6. Next, measure the horizontal distance or run from the point where the sidewalk edge aligned with the square's edge to the end of the square. Use a tape measure or ruler to get an accurate measurement. 7. Finally, calculate the slope by dividing the rise (vertical distance) by the run (horizontal distance). This will give you the slope expressed as a ratio or a percentage. For example, if the rise is 4 inches and the run is 10 feet (120 inches), the slope would be 4/120 or 1/30, which can also be expressed as 1:30 or approximately 3.33%. Remember, using a steel square to determine slope requires precision and accuracy in measurements, so take your time and ensure you are using the square correctly to get an accurate result.

Q: Can a steel square be used for checking the plumbness of a post?: No, a steel square cannot be used for checking the plumbness of a post. A steel square is primarily used for measuring and marking angles in woodworking and carpentry projects. For checking plumbness, a level or a plumb bob would be more suitable tools.

Q: How do you use a steel square for measuring and marking out rafter lengths?: To use a steel square for measuring and marking out rafter lengths, you first need to understand the different markings and features of the square. A standard steel square typically consists of two arms – a longer one called the blade and a shorter one called the tongue. To begin, place the square on the edge of the rafter board with the tongue pointing upwards. Align the tongue with the edge of the board and ensure that the blade is perpendicular to it. Next, locate the "pivot point" on the square. This is usually marked by a series of numbers and lines along the blade and tongue. The pivot point is used as a reference for making measurements. To measure and mark out the rafter length, start by determining the desired length and angle for the rafter. Let's assume we want a 45-degree angle. First, find the 45-degree mark on the blade of the square. Align this mark with the pivot point on the rafter board. Next, slide the square along the board until the desired length is reached. The length is measured along the tongue of the square. Once you have positioned the square at the desired length, make sure the blade and tongue are still aligned with the edge of the board. Now, use a pencil or marker to mark along the edge of the square, creating a line that represents the rafter length. This line will guide you when cutting the rafter. Once the first rafter is marked and cut, you can use it as a template to mark out additional rafters. Simply align the square with the edge of the board, align the pivot point with the previous mark, and repeat the process for each rafter. It's important to note that there are other features on a steel square, such as the stair gauge and scribe bar, which can be used for more advanced measurements and layout tasks. However, the basic method described above will suffice for measuring and marking out rafter lengths.

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