0.3% De Chemial Element Cr For Steel Square Bar
- Ref Price:
-
- Loading Port:
- China main port
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 25 m.t.
- Supply Capability:
- 10000 m.t./month
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Product Description
There are two types of Square Bar, one is hot rolled square bar and other one is cold drawn square bar. Our principal products is hot rolled square bar. We dedicate to products with material Q195 and Q235. We offer products with high quality and low price.
Specifications
-Standard: GB,
-Grade: Q195/Q235 or equivalent.
-Chemical Composition:
Standard | Grade | Element (%) | ||||
C | Mn | S | P | Si | ||
GB | Q195 | 0.06~0.12 | 0.25~0.50 | ≤0.050 | ≤0.045 | ≤0.30 |
GB | Q235B | 0.12~0.20 | 0.30~0.70 | ≤0.045 | ≤0.045 | ≤0.30 |
-Mechanical Properties:
Mechanical Properties | Grade | Steel diameter（mm） | |||
≤16 | 16~40 | 40~60 | 60~100 | ||
Yield Point Δs/MPa | Q195 | ≥195 | ≥185 | - | - |
Q235 | 235 | 225 | 215 | 205 | |
Tensile Strength | Q195 | 315~390 | |||
Q235 | 375~500 | ||||
Elongation δ5% | Q195 | ≥33 | ≥32 | - | - |
Q235 | 26 | 25 | 24 | 23 | |
Measures (Big measures):
(Section of Hot-rolled Square Steel Bar)
-Length of a side and Theoretical weight of Square Bar (Big measures).
Length of a side(mm) | Theoretical weight(kg/m) | Length of a side(mm) | Theoretical weight(kg/m) |
53 | 22.05 | 80 | 50.24 |
56 | 24.61 | 85 | 56.72 |
60 | 28.26 | 90 | 63.59 |
63 | 31.16 | 95 | 70.85 |
70 | 38.49 | 100 | 78.50 |
75 | 44.16 |
Notes:
1, The theoretical weights in the list, base on the density of 7.85 g/cm3.
2, Formula for theoretical weight of Square bar: a(length of a side) * a * 0.00785
3, The numbers with ＊mean that they are not regular or we don’t offer them.
-Regular length of Square Bar:
Steel | Length of a side (mm) | Length of steel (m) |
Normal steel | < 25 | 4~10 |
> 25 | 3~9 | |
Steel of high quality | All measure | 2~6 |
Tool steel >75 | 1~6 |
Usage/Applications
-The Square Steel is normally used as structure steel.
-Row material for other structure steel like steel angles, channels, I-beams, H-beams, etc…
-Row material for steel pipes.
Packaging & Delivery
-Packing Detail:
1, The products can be packed in bundles by steel wires.
2, The weight of each bundle no exceed normally 3 tons.
-Marks: We make tag marks and color marks for each bundle. The tag marks with white background and red company log will be tied up to each bundle. The information is usually including basic information of company and products like product name, specification, etc...and other information required by customers. As for color marks, we will paint both ends of each bundles to make sure that it will be more convenient for customers to distinguish theme from other products.
-Delivery Detail: 30~45 working days after receive buyer’s T.T. or L/C.
Payment:
-Invoicing on theoretical weight or actual weight as customer’s request.
-FOB, CFR or CIF.
-Regular terms of payment:
1, 30% payment in advance, the remaining balance (70% payment) against the copy of B/L.
2, 30% payment in advance, the remaining balance (70% L/C) against the copy of B/L.
3, Negotiable.
-The payment terms will be written in contraction detailed.
- Q: Can a steel square be used for plumbing and pipefitting?
- Yes, a steel square can be used for plumbing and pipefitting. It is a versatile tool that can be used to measure and mark angles, ensure accurate cuts, and check for squareness when working with pipes and fittings. The steel square's durability and precision make it a reliable choice for these tasks in plumbing and pipefitting work.
- Q: Is a steel square resistant to rust?
- Indeed, a steel square exhibits resistance against rust. Typically crafted from stainless steel or other alloys that are corrosion-resistant, steel squares possess a formidable resistance to the formation of rust. These alloys contain chromium, which facilitates the creation of a safeguarding layer on the steel's surface, thereby impeding rust formation. Nevertheless, it is essential to acknowledge that although steel squares possess a high resistance to rust, they are not completely impervious to it. Prolonged exposure to harsh environmental conditions or sustained contact with moisture can still lead to some rusting over time. Therefore, it is prudent to diligently maintain and properly store steel squares to ensure their durability and ongoing protection against rust.
- Q: How do you use a steel square to find the correct angle for a miter joint?
- To use a steel square to find the correct angle for a miter joint, you would place the square against the edge of the workpiece with one arm extending along the face and the other arm perpendicular to it. Then, you can adjust the position of the square until the desired angle is formed at the intersection of the two arms. This angle can then be transferred or marked onto the workpiece to guide the cutting or joining process for the miter joint.
- Q: Can a steel square be used for checking the verticality of a wall?
- No, a steel square cannot be used for checking the verticality of a wall. A steel square, also known as a framing square, is a tool primarily used in carpentry for measuring angles and making straight cuts. It is not designed or calibrated to determine verticality. To check the verticality of a wall, a level or plumb bob is typically used. A level is a tool with a bubble vial that helps indicate if a surface is perfectly vertical or horizontal. Plumb bobs, on the other hand, consist of a weighted string that hangs from a fixed point. By observing the alignment of the string with a reference point, one can determine if the wall is perfectly vertical. These tools are specifically designed for vertical measurements and provide more accurate results compared to a steel square.
- Q: How do you use a steel square to lay out a diagonal line on a curved surface?
- In order to lay out a diagonal line on a curved surface using a steel square, several steps need to be followed: 1. Begin by positioning the steel square on the curved surface, aligning one edge horizontally and the other vertically. Make sure the square is securely placed and doesn't shift. 2. Determine the starting point of the diagonal line on the curved surface. This can be any desired point along the curve. 3. Locate the desired diagonal measurement on the steel square. This measurement will determine the length and angle of the diagonal line to be laid out. 4. Align the chosen diagonal measurement on the vertical edge of the steel square with the starting point of the line on the curved surface. This point can be marked with a pencil or marker for reference. 5. Rotate the steel square along the curved surface while maintaining alignment between the vertical edge of the square and the marked starting point. As you rotate, the horizontal edge of the square will trace a diagonal line on the curved surface. 6. Keep rotating the square until you reach the desired endpoint of the diagonal line. The horizontal edge will continue to mark the line on the curved surface as you rotate. 7. Once the endpoint is reached, mark the line on the curved surface using a pencil or marker, following the path traced by the horizontal edge of the steel square. By following these steps, a diagonal line can be accurately laid out on a curved surface using a steel square. It is crucial to ensure the square remains firmly in place throughout the process to maintain precision.
- Q: Can a steel square be used as a level?
- Using a steel square as a level is not possible. Although a steel square is handy for measuring angles and verifying right angles, it lacks the essential components to ascertain surface levelness. A level usually comprises a lengthy, straight body containing a liquid-filled bubble vial. This bubble vial enables accurate measurement of both horizontal and vertical surfaces, guaranteeing their perfect levelness. Consequently, if you require level determination, it is advised to employ an appropriate level tool instead of a steel square.
- Q: Can a steel square be used for measuring curved surfaces?
- No, a steel square cannot be used for measuring curved surfaces as it is designed for measuring and marking right angles and straight lines.
- Q: How do you use a steel square to mark out 60-degree angles?
- To use a steel square to mark out 60-degree angles, you can follow these steps: 1. Start by placing the steel square on the surface or material you want to mark the angle on. Ensure that one edge of the square aligns with the starting point of the angle. 2. Locate the 60-degree angle on the steel square. Most steel squares have markings or notches indicating different angles. Look for the one that represents 60 degrees. 3. Align the marking for 60 degrees on the steel square with the edge of the material or surface. Make sure the square is securely held in place to avoid any movement. 4. Once the steel square is properly aligned, use a pencil or a marking tool to trace along the edge of the square, marking the 60-degree angle on the material. 5. Repeat the process if necessary, ensuring that the square is aligned correctly each time to maintain accuracy. Using a steel square to mark out 60-degree angles is an efficient way to achieve precise measurements. Remember to always double-check your alignment and use a sharp marking tool for accurate results.
- Q: How do you use a steel square to lay out stairs?
- Before beginning the process of laying out stairs, it is necessary to gather the essential tools: a steel square, a tape measure, a pencil, and a saw. To commence, establish the desired height of each stair riser, ensuring uniformity throughout the staircase for safety purposes. Measure the total height from the top to the bottom of the stairs and divide it by the desired riser height to ascertain the required number of steps. Subsequently, employ the steel square to indicate the dimensions of the rise and run on a stringer board, which serves as the inclined support. The rise denotes the vertical height of the step, while the run indicates its horizontal depth. The steel square possesses markings that facilitate the determination of these dimensions. To mark the rise, position the steel square against the stringer board, aligning the square's corner with the lower edge of the board. Locate the marking corresponding to the desired rise height and draw a line across the board. For the run, once again place the steel square against the stringer board, this time aligning the corner with the previously drawn rise line. Identify the marking corresponding to the desired run depth and draw a perpendicular line across the board. Repeat these steps for each step, maintaining consistency by employing the same measurements for both the rise and run. It is crucial to verify the accuracy of your measurements and markings. Once all the steps are marked on the stringer board, employ a saw to cut along the drawn lines. Exercise caution to ensure the steps fit correctly by staying within the marked lines. Lastly, assemble the stairs by attaching the stringer board to the structural support and securing the treads (the horizontal section of each step) to the stringer board. Utilize screws or nails to fasten them securely, ensuring even spacing and levelness. By adhering to these steps and utilizing a steel square for the layout of stairs, you can construct a secure and well-structured staircase.
- Q: Can a steel square be used for framing a wall?
- Framing a wall can be accomplished using a steel square. This versatile tool, alternatively called a framing square or carpenter's square, is commonly employed in construction for a range of framing and layout tasks. It possesses a right-angle shape with a lengthy blade and a shorter tongue, typically fashioned from steel or aluminum. When engaging in wall framing, a steel square proves invaluable in ensuring precise and square corners. It aids in the marking and measurement of cuts for studs, rafters, and other framing components. The long blade of the square can be utilized to mark straight lines and assess the straightness and levelness of walls and other surfaces. Apart from wall framing, a steel square finds utility in various framing undertakings, such as the layout of roof rafters, the cutting of stair stringers, and the verification of squareness in diverse construction projects. Its robust and durable construction renders it a dependable tool suitable for both professional contractors and DIY enthusiasts. Nevertheless, it is essential to acknowledge that although a steel square is a valuable asset for framing walls, it may not be the sole requisite tool. Other instruments, including a level, tape measure, and power tools, may also be indispensable for a successful framing endeavor.
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0.3% De Chemial Element Cr For Steel Square Bar
- Ref Price:
-
- Loading Port:
- China main port
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 25 m.t.
- Supply Capability:
- 10000 m.t./month
OKorder Service Pledge
OKorder Financial Service
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