Q275Cr High Quality Steel Square Bar System 1

Q275Cr High Quality Steel Square Bar

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Loading Port:: Tianjin

Payment Terms:: TT OR LC

Min Order Qty:: 1000 m.t.

Supply Capability:: 100000 m.t./month

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Product Description:

In the production of steel products, steel is molded and reshaped with different machinery at different temperatures. One process is steel rolling, which involves metal stock passing through a pair of rolls. Rolling produces flat steel sheets of a specific thickness, and the process is classified according to the temperature at which the metal is rolled. If the temperature of the metal is above its recrystallization temperature, or the temperature at which the grain structure of the metal can be altered, then the process is termed as hot rolling. If the temperature of the metal is below its recrystallization temperature, the process is termed as cold rolling.

Like cold rolling, cold drawing is performed at room temperature, but instead of producing a flat object like a coke can, cold drawing makes steel into the form of a wire like the spokes of a wheel or a paper clip. To start the process, Steel is usual hammered and rolled so that it can be fit through a die; a tool that turns the steel mass into a wire. The room temperature steel is pulled through the die which reshapes it into a thinner shape while maintaining the same volume. It is similar to the idea of syrup flowing out of a bottle through a tube in that it changes shape but not volume, but instead of squeezing the metal, it is pulled out. In order to get the wire down to the right diameter, it usually requires more than one pass through different dies.

Colddrawn steel, steel covered carbon steel, excellent carbon steel, alloy structural steel, carbon tool steel, spring steel, bearing steel, tool steel, cold heading steel, free cutting steel, martensite stainless steel; products include all kinds of shapes round, square steel, hexagonal, flat steel and other conventional products, including various special-shaped steel products. In all types of colddrawn steel industry has been widely used, these areas include automotive, machine tools, furniture, standard parts, textile machinery, agricultural machinery, military industry and other industries.

The total assets of more than 40 million, as of the end of 2010 with fixed assets of 34 million, with 60 tons from 5 tons a chain drawing machine 10 sets, horizontal and inverted coiled wire drawing machine 5 sets, steel and plate production line of blasting, high-power ham stove, various straightening machine and cold rolling mill and other major equipment.

Usage/Applications

-The Square Bar is normally used as structure steel.

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

Packaging & Delivery

-Packing Detail: The products can be packed in bundles by steel wires.

-Marks: We make tag marks and color marks. The tag marks with white background and red company logo will be tied up to each bundle of the products. The information is usually including basic information of products and company and other information requested by customers. As for color marks, we will paint both ends of bundles to make sure that it w

-Delivery Detail: 30~45 working days after receive buyer’s T.T. or L/C.

ill be more convenient for customers to distinguish them from other products.

Q:What are some common uses for a steel square in construction?: A steel square, otherwise referred to as a framing square or carpenter square, serves as a versatile tool extensively utilized in construction for a multitude of purposes. Below are several typical applications of a steel square in construction: 1. Measurement and layout: Construction workers frequently employ a steel square to accurately measure and mark straight lines, right angles, and other angles. This allows for the precise layout and marking of dimensions on a wide array of materials, including wood, metal, and concrete. 2. Verification of squareness: A primary function of a steel square is to verify the squareness of corners and joints. By placing the square against the corner, it aids in determining whether the angle is precisely 90 degrees, guaranteeing meticulous and precise construction. 3. Angle cutting and marking: Steel squares are equipped with a protractor scale, enabling construction professionals to measure and mark angles other than 90 degrees. This proves particularly useful when cutting materials at specific angles, such as when crafting miter cuts or roof rafters. 4. Determination of roof pitches: Roofers employ steel squares to measure and ascertain roof pitches or slopes. By aligning the square with the roof's edge, they can calculate the angle and ensure the roof pitch is correct for adequate water drainage. 5. Guidance for circular saws and other power tools: Steel squares can serve as straight edge guides for circular saws, thereby ensuring precise cuts. By holding the square against the material and running the saw blade alongside it, construction professionals can achieve straight and accurate cuts. 6. Creation of parallel lines: Steel squares can be utilized to produce parallel lines on a variety of surfaces. By aligning the square's edge with a reference point and marking along the opposite side, construction workers can effortlessly draw or mark parallel lines on the material. 7. Verification and marking of stud locations: In framing or wall construction, steel squares prove to be useful tools for locating and marking stud positions. By utilizing the square's dimensions, construction professionals can measure and mark stud locations precisely, guaranteeing proper spacing and alignment. 8. Establishment of right angles: Steel squares are commonly employed to establish right angles during construction. They aid in ensuring that walls, frames, and other structures are correctly aligned and perpendicular, resulting in robust and stable construction. All in all, a steel square is an indispensable tool in construction due to its adaptability and precision. It empowers construction professionals to measure, layout, and mark various angles and dimensions, thereby ensuring accurate and high-quality construction projects.

Q:What are the common materials used to make steel squares?: Steel squares are typically made using a variety of common materials. The main material used to make steel squares is, of course, steel. Steel is a widely used material due to its high strength, durability, and resistance to corrosion. It provides the necessary stability and hardness required for accurate measurements and precise marking. In addition to steel, other materials are also commonly used in the production of steel squares. One such material is brass. Brass is often used for the face of the square, as it is softer and less likely to damage delicate surfaces when used for marking or scribing. Another material that can be found in steel squares is wood. Wooden handles are often attached to steel squares to provide a comfortable grip and ease of use. Wood is chosen for its natural warmth, durability, and ability to absorb vibrations, ensuring a more stable and accurate measurement. Overall, steel squares are typically made using a combination of steel, brass, and wood. These materials work together to create a reliable and versatile tool that is commonly used in various industries such as carpentry, metalworking, and engineering.

Q:Can a steel square be used for measuring the pitch of a roof?: Indeed, the pitch of a roof can be measured with the aid of a steel square. Referred to as a framing square or carpenter's square, this versatile tool is utilized by both carpenters and roofers for a variety of measurements and calculations. To gauge the pitch of a roof, one can employ the square's graduated scales and angles to ascertain the roof's angle and slope. By situating the square on the roof's surface and aligning it with the rafters or trusses, the pitch can be effortlessly determined by reading the scale or utilizing the square's built-in formulas. However, it is essential to acknowledge that when dealing with intricate or irregular roof shapes, a steel square may not yield the most precise measurements, and it may be more fitting to employ specialized roofing tools or instruments in such instances.

Q:Can a steel square be used for checking the alignment of a wall frame?: Indeed, one can utilize a steel square to assess the alignment of a wall frame. Commonly referred to as a framing square, a steel square is a versatile tool extensively employed in carpentry and construction. Comprised of a lengthy blade and a shorter tongue that intersect at a right angle, it assumes the shape of an L. Its purpose is specifically tailored to facilitate the measurement and marking of right angles, as well as to inspect the alignment of various building components. Concerning the evaluation of a wall frame's alignment, a steel square serves multiple functions. Firstly, it guarantees the perfect squareness of the frame's corners. Carpenters can ascertain the precision of the 90-degree corners by placing the square's blade and tongue against the frame's edges. This step is crucial in maintaining the frame's structural integrity and ensuring its proper alignment. Furthermore, a steel square can be employed to verify the straightness and alignment of the frame's studs or joists. By positioning the square against the surface of the studs, carpenters can conveniently discern any deviations from the desired alignment. This enables them to make necessary adjustments before proceeding with further construction activities. Ultimately, a steel square stands as an indispensable tool for evaluating the alignment of a wall frame. Its capacity to measure and mark right angles, validate square corners, and identify misalignments in studs or joists renders it an essential instrument within the construction industry.

Q:Can a steel square be used for measuring lengths as well?: Using a measuring tape or a ruler would be more suitable for measuring lengths, as a steel square is primarily intended for measuring and marking angles in carpentry and woodworking. Known as a framing square or carpenter's square, it has a right angle shape with a long arm and a shorter perpendicular arm, which are specifically designed for checking and marking 90-degree angles.

Q:Can a steel square be used for checking the squareness of a door frame?: The squareness of a door frame can indeed be checked using a steel square. A steel square, also referred to as a framing square or carpenter's square, is a versatile tool commonly employed in construction and woodworking. With its 90-degree angle, it aids in determining whether something is square or perpendicular. To assess the squareness of a door frame utilizing a steel square, simply position one arm of the square flush against the inner edge of the door frame and the other arm against the inner edge of the adjacent wall. By visually examining the alignment of the square with the frame and wall, one can ascertain whether the frame is square or if any adjustments are necessary. Nevertheless, it is worth noting that while a steel square can provide a decent initial indication of squareness, it may not be as precise as more specialized tools like a laser level or a framing square. Furthermore, it is crucial to take into account the overall stability of the door frame, as additional checks and adjustments may be required to ensure proper installation.

Q:How do you use a steel square to determine the height of a window sill?: To use a steel square to determine the height of a window sill, you can place the square vertically against the window frame and extend it downwards until it reaches the top of the sill. Then, read the measurement marked on the square where it aligns with the top of the sill. This measurement will give you the height of the window sill.

Q:How do you use a steel square to measure and mark 90-degree angles?: To use a steel square to measure and mark 90-degree angles, place one arm of the square against the edge of the material you want to measure. Ensure that the other arm is perpendicular to the first arm and aligns with the edge of the material. Once aligned, use a pencil or a scribe to mark the 90-degree angle at the intersection of the two arms of the square.

Q:What are some common applications for a steel square in roofing installations?: The steel square, also referred to as a framing square or carpenter's square, is a highly versatile tool commonly utilized in the installation of roofs. It possesses a wide array of applications that aid in guaranteeing precise measurements and accurate angles, ultimately resulting in a well-constructed roof. Presented below are several typical uses of the steel square in roofing installations: 1. Roof pitch determination: A primary function of the steel square in roofing involves ascertaining the pitch or slope of the roof. Roofers can effectively measure and calculate the pitch with the aid of markings and graduations on the square. 2. Rafter and cut layout: Roofers employ the steel square to lay out and mark cuts for rafters, hips, and valleys. This facilitates the determination of appropriate angles and lengths for each rafter, thereby ensuring a proper fit and structural integrity. 3. Creation of bird's mouth cuts: The bird's mouth refers to a notch that is carved into the rafter, enabling it to securely sit on the top plate of the wall. Roofers utilize the steel square to accurately mark and execute these notches, guaranteeing a tight and secure fit. 4. Squareness and alignment verification: The steel square serves as a tool for roofers to verify the squareness and alignment of the roof structure. They are able to measure and confirm that corners and edges are perfectly square, a crucial aspect for achieving a well-balanced and visually appealing roof. 5. Roof sheathing marking and cutting: Roof sheathing materials, such as plywood or oriented strand board (OSB), necessitate precise cutting and fitting. The steel square assists roofers in marking and cutting the sheathing to the appropriate dimensions, ensuring a tight and seamless installation. 6. Rafter length and spacing determination: By utilizing the measurements and angles provided by the steel square, roofers can calculate the correct lengths and spacing for rafters. This aids in establishing a stable roof structure that can adequately support the weight of the roofing materials. 7. Valleys and hips checking and marking: When it comes to marking and cutting valleys and hips, which are the angled intersections between different roof sections, the steel square is an invaluable tool. It enables roofers to accurately measure and mark these areas, resulting in precise cuts and seamless transitions between roof sections. All in all, the steel square is an indispensable tool in roofing installations. It enables roofers to measure angles, mark cuts, determine pitch, and ensure accurate alignment. Through the utilization of the steel square, roofers are able to achieve a professionally installed roof that possesses structural integrity and aesthetic appeal.

Q:How do you use a steel square to measure and mark obtuse angles?: In order to measure and mark obtuse angles using a steel square, a few steps must be followed. Begin by ensuring that the steel square is clean and free from any dirt or debris that could impact its precision. Then, place the steel square flat onto the surface or material that needs to be measured and marked. Next, locate the 90-degree angle on the steel square, which is formed by the intersection of the longer side (blade) and the shorter side (tongue). This point is typically indicated by a right angle symbol (∠). To measure an obtuse angle, the steel square must be opened wider than 90 degrees. Gradually open the steel square by pivoting the tongue away from the blade until the desired angle is reached. It is important to keep the blade edge flush with the working surface or material. Once the steel square has been opened to the correct angle, firmly hold it in place and use a pencil or marker to mark the desired point on the material. The blade edge can also serve as a guide for drawing a straight line. To verify the accuracy of the marked obtuse angle, a protractor can be used to measure the angle precisely. This will ensure that the measurements are correct and the obtuse angle is accurately marked. Remember to handle the steel square with caution and avoid applying excessive pressure, as this could impact its precision. With practice and attention to detail, a steel square can be effectively used to measure and mark obtuse angles.

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