Q345B High Quality Steel Square Bar System 1

Q345B High Quality Steel Square Bar

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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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square steel billet
1.3SP, 5SP
2.terms of payment: L/C at sight
3.size: 120*120mm
4.length: 5.8~12m

square steel billet
Specifications

square steel billets
1)We procure world class quality steel billets which meets the specific requirements of the clients
The Billets produced by the company can be broadly divided into three main types i.e.
M.S. Billets
CRS Billets
Special Alloy Billets
M.S. Billets are used for rolling of TMT Re-Bars of Fe415 and Fe500 Grade and various other structural steel products.
CRS Billets are used fro rolling of CRS TMT Re-Bars.
Special Alloy Billets are used for rolling of any special grade TMT Re-Bars like Earthquake resistant TMT Re-Bars and for special grade structural steel products.
The following are the sizes of Billets available with Shyam Steel Industries Ltd.:
100 X 100
120x120
150 X 150
Physical Properties:
Description
As per IS 2830
Shyam Billets
Bend (max.) 5 mm per meter >= 5 mm per meter
Carbon (max.) 3mm per meter >= 3 mm per meter
Length 3 mt - 13 mt 3 mt - 9 mt
Chemical Properties:
Ladle Analysis:
Designation
Carbon
Manganese
C15 0.12-0.18 0.30-0.60
C18 0.15-0.21 0.30-0.60
C20 0.17-0.23 0.30-0.60
C15 MMn 0.12-0.18 0.60-1.00
C18 MMn 0.15-0.21 0.60-1.00
C20 MMn 0.17-0.23 0.60-1.00
C15 HMn 0.12-0.18 1.00-1.50
C18 HMn 0.15-0.21 1.00-1.50
C20 HMn
0.17-0.23 1.00-1.50
Billets of different designations are manufactured in three different grades namely A, B, C having sulphur, phosphorous content (on ladle analysis) and carbon equivalent as follows:
Chemical Analysis:
Grade Sulphur Phosphorous Carbon Equivalent (CE)1
Max Max Max
A 0.05 0.05 0.42
B 0.045 0.045 0.41
C 0.04 0.04 0.39

Q:How do you use a steel square to measure and mark 78.75-degree angles?: In order to measure and mark a 78.75-degree angle using a steel square, a few steps need to be followed. Firstly, it is imperative to ensure that the steel square is clean and devoid of any debris or rust. Following this, locate the 45-degree angle on the steel square. This angle is commonly denoted as a right angle and will possess a 45-degree angle on one of its sides. Afterward, locate the 90-degree angle on the steel square. This angle forms a perfect right angle and is typically labeled as "90" on the square. Once the 45-degree and 90-degree angles have been identified, the measurement of the 78.75-degree angle can commence. Place the steel square on the surface or material to be measured, ensuring that the 90-degree corner aligns with one side of the material. Next, rotate the square until the 45-degree angle aligns with the opposite side of the material. This action will result in a 45-degree angle. Finally, make a slight adjustment to the square until the desired 78.75-degree angle is achieved. Take note of the intersection point between the 78.75-degree line and the opposite side of the material, and mark it accordingly. It is important to be aware that a steel square typically possesses fixed angles of 45 and 90 degrees. Consequently, measuring a 78.75-degree angle accurately with a steel square may necessitate some estimation and adjustment.

Q:What are the key features of a steel square?: A steel square, also referred to as a framing square or carpenter's square, plays a crucial role in carpentry and woodworking due to its versatility. It comprises a lengthy, straight blade and a shorter, perpendicular tongue that creates a perfect 90-degree angle. Here are the primary characteristics of a steel square: 1. Precision: The design of the steel square guarantees accurate measurements and angles, making it indispensable for achieving precise cuts and joints in woodworking projects. 2. Right angle reference: The blade and tongue form a 90-degree angle, allowing for effortless and rapid verification of squareness. This ensures that corners and edges are perfectly perpendicular. 3. Layout instrument: The steel square is typically utilized as a layout tool to mark and transfer measurements. The long blade is marked with measurements in inches and centimeters, facilitating precise marking of lines, angles, and square cuts. 4. Rafter tables: Numerous steel squares feature rafter tables on the blade, providing convenient calculations for common roof framing tasks. These tables aid in determining the length, angle, and pitch of rafters, simplifying the construction of roofs. 5. Leveling implement: The long blade of a steel square can also serve as a straightedge, enabling the leveling and assessment of surface flatness. This makes it invaluable for checking the alignment of shelves, tabletops, and other woodworking projects. 6. Sturdiness: Steel squares are typically manufactured from high-quality steel, rendering them durable and resistant to wear and tear. They are designed to withstand extensive use while maintaining precise measurements for an extended period. 7. Versatility: Steel squares possess a wide range of applications, including marking, measuring, rafter layout, squareness verification, and leveling tasks. They are an indispensable tool for carpenters, woodworkers, and DIY enthusiasts. In conclusion, the key attributes of a steel square encompass precision, a right angle reference, versatility, durability, rafter tables, and its role as a layout and leveling instrument. It is an essential tool for individuals working with wood, ensuring accurate measurements and angles in diverse woodworking endeavors.

Q:What are some common measurements that can be taken with a steel square in electrical rough-ins?: Some common measurements that can be taken with a steel square in electrical rough-ins include checking for squareness of boxes, marking 45-degree angles for conduit bends, and measuring the depth of electrical boxes for proper installation.

Q:How do you use a steel square to measure and mark 16.875-degree angles?: To measure and mark angles of 16.875 degrees using a steel square, follow these instructions: 1. Begin by selecting the side of the steel square that will serve as your reference. Typically, the long side called the blade is the most precise for angle measurements. 2. Place the steel square on a level surface or workbench, ensuring proper alignment. 3. Identify the 90-degree angle on the steel square, usually indicated by a right angle symbol. This will be your starting point. 4. Locate the 45-degree angle on the steel square, typically marked by a diagonal line or a 45° symbol. 5. To measure and mark a 16.875-degree angle, you will need to find the midpoint between the 45-degree and 90-degree angles. Since 16.875 degrees is less than half of 45 degrees, it will be closer to the 90-degree angle. 6. Align the blade of the steel square between the 45-degree and 90-degree angles, ensuring it runs parallel to both lines. 7. Once the blade is correctly aligned, make a mark or draw a line at the point where it intersects with the steel square. 8. This mark or line will represent a 16.875-degree angle when utilized in your project or measurement. Always verify your measurements and employ appropriate tools for accuracy. A protractor or angle finder may also be useful in confirming the precision of your marked angle.

Q:Can a steel square be used for checking the squareness of a planer table?: No, a steel square cannot be used for checking the squareness of a planer table. A planer table requires a precision measuring tool like a precision square or a machinist square to accurately assess its squareness.

Q:Can a steel square be used for measuring angles in welding?: Yes, a steel square can be used for measuring angles in welding. A steel square, also known as a framing square or a carpenter's square, is a versatile tool that is commonly used in construction and welding. It has a right angle shape and features measurements and markings on its surface. While it may not be as precise as specialized angle measuring tools like protractors or angle finders, a steel square can still be used effectively to measure and mark angles in welding. To measure an angle using a steel square, you can align one side of the square with the reference line or surface and then use the other side to find the desired angle. The degree markings on the square can help you determine the angle accurately. Additionally, the straight edge of the square can be used to draw lines or make cuts at specific angles. However, it is important to note that the accuracy of the measurement depends on the precision of the steel square and the skill of the user. If high levels of accuracy are required, it is recommended to use specialized angle measuring tools or digital angle finders that provide more precise measurements.

Q:How do you use a steel square to determine angles for baseboards?: To use a steel square to determine angles for baseboards, first, place the square against the corner where the baseboard will be installed. Then, adjust the square until one of its edges aligns with the wall and the other edge touches the baseboard. Next, read the angle measurement indicated on the square where the baseboard edge meets the square's markings. This measurement can be used as a guide to cut the baseboard accurately at the desired angle.

Q:How do you use a steel square for framing walls?: Before using a steel square for framing walls, it is important to verify that the square is clean and devoid of any debris. Afterward, position the square on the lumber's edge, ensuring that one leg is flush against the edge while the other leg is perpendicular to it. To create a straight line, securely hold the square against the lumber's edge and employ a pencil or marker to trace along the leg of the square. This will provide a precise guideline for making accurate cuts or marking measurements. When it comes to making angled cuts, such as for roof rafters or stair stringers, the steel square can be utilized to determine the angle. Place the square on the lumber in a manner that aligns the desired angle with the square's edge, and then mark the line accordingly. Moreover, the steel square can be employed to determine squareness and verify right angles. By positioning the square in the corner where two walls intersect, you can ensure that the corner is perfectly square. If the square fits tightly and the legs align with the walls, then the corner is indeed square. Otherwise, adjustments will need to be made accordingly. In conclusion, the steel square is an essential and versatile tool for framing walls. It enables precise measurements, facilitates straight cuts and angled cuts, and ensures the accuracy of corners.

Q:How do you use a steel square for cutting rafters?: To use a steel square for cutting rafters, first, place the square along the edge of the rafter board and align the tongue (longer side) with the desired pitch of the roof. Next, mark the plumb (vertical) and seat (horizontal) cuts on the rafter board using the appropriate measurements provided by the steel square. Once marked, use a circular saw or handsaw to carefully cut along the marked lines, ensuring accurate and precise cuts for a properly fitting rafter.

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

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