ওয়েনজু কিক্সিন কেক্সিন মেটাল কোং, লিমিটেড
The BWG system is widely used in industries like construction and manufacturing. It provides a reliable way to determine the diameter and thickness of tubes. Knowing how to use the BWG table can ensure compatibility and safety in your projects.
What is BWG (Birmingham Wire Gauge)?
BWG, known as Birmingham Wire Gauge, is a historical system for measuring the thickness of tubes and wires. This standard originated in the UK and remains prevalent in various industries today. BWG measures thickness inversely; a higher number means a thinner material.
It’s crucial to differentiate BWG from other gauge systems. Though similar to American Wire Gauge (AWG), BWG is primarily used for tubes rather than wires. Below are key characteristics of BWG:
- Ranges from size 1 থেকে 36
- Higher numbers indicate thinner tubes
- Used in numerous industrial applications
Understanding the BWG Size Chart
The BWG size chart is a vital tool for anyone dealing with tubes. It offers a clear visual representation of the diameter and thickness of tubes, ranging from size 1, the thickest, to size 36, the thinnest.
By using the BWG chart, you can easily convert BWG numbers to their corresponding millimeter or inch measurements. This conversion is crucial in ensuring that the selected tube fits its intended purpose. Here’s how the BWG size chart assists:
- Provides thickness measurements
- Facilitates easy conversion to other units
- Enhances accuracy in selecting tube sizes
BWG Tube Size Chart (Table)
| Table. principal BWG sizes | |||||||||||
| ব্যাস বাইরে | 20 | 18 | 16 | 15 | 14 | 13 | 12 | 11 | 10 | ||
| (0.89মিমি) | (1.26মিমি) | (1.65মিমি) | (1.83মিমি) | (2.11মিমি) | (2.41মিমি) | 2.77মিমি) | (3.05মিমি) | (3.40মিমি) | |||
| in | মিমি | Standard Wire Gauge (BWG)/ওজন, কেজি/মি(average wall1) | |||||||||
| 1/4 | 0.25 | 6.35 | 0.12 | 0.16 | 0.19 | ||||||
| 5/16 | 0.31 | 7.95 | 0.15 | 0.21 | 0.25 | 0.28 | |||||
| 3/8 | 0.38 | 9.53 | 0.19 | 0.25 | 0.31 | 0.34 | 0.39 | ||||
| 1/2 | 0.50 | 12.70 | 0.25 | 0.34 | 0.45 | 0.49 | 0.55 | 0.61 | 0.68 | 0.72 | |
| 5/8 | 0.63 | 15.88 | 0.33 | 0.45 | 0.58 | 0.64 | 0.71 | 0.8 | 0.89 | 0.97 | |
| 3/4 | 0.75 | 19.05 | 0.4 | 0.55 | 0.72 | 0.77 | 0.88 | 0.98 | 1.12 | 1.2 | 1.31 |
| 7/8 | 0.88 | 22.23 | 0.46 | 0.64 | 0.83 | 0.92 | 1.04 | 1.18 | 1.32 | 1.44 | 1.58 |
| 1 | 1.00 | 25.40 | 0.54 | 0.74 | 0.97 | 1.06 | 1.21 | 1.37 | 1.55 | 1.68 | 1.92 |
| 11/8 | 1.13 | 28.58 | 0.61 | 0.83 | 1.1 | 1.21 | 1.37 | 1.56 | 1.76 | 1.92 | 2.11 |
| 11/4 | 1.25 | 31.75 | 0.68 | 0.94 | 1.23 | 1.35 | 1.53 | 1.76 | 1.96 | 2.16 | 2.4 |
| 13/8 | 1.38 | 34.93 | 0.74 | 1.03 | 1.35 | 1.49 | 1.7 | 1.93 | 2.19 | 2.4 | 2.65 |
| 11/2 | 1.50 | 38.10 | 0.82 | 1.13 | 1.49 | 1.64 | 1.87 | 2.17 | 2.4 | 2.63 | 2.92 |
| 13/4 | 1.75 | 44.45 | 0.97 | 1.32 | 1.74 | 1.92 | 2.2 | 2.5 | 2.84 | 3.1 | 3.44 |
| 2 | 2.00 | 50.80 | 1.52 | 1.99 | 2.2 | 2.53 | 2.89 | 3.27 | 3.59 | 3.97 | |
| 21/4 | 2.25 | 57.15 | 1.73 | 2.26 | 2.48 | 2.87 | 3.26 | 3.7 | 4.06 | 4.51 | |
| 23/8 | 2.38 | 60.33 | 1.81 | 2.38 | 2.63 | 3.02 | 3.44 | 3.93 | 4.3 | 4.78 | |
| 21/2 | 2.50 | 63.50 | 1.91 | 2.52 | 2.78 | 3.18 | 3.66 | 4.14 | 4.54 | 5.04 | |
| 27/8 | 2.88 | 73.03 | 2.2 | 2.9 | 3.2 | 3.68 | 4.2 | 4.79 | 5.25 | 5.83 | |
| 3 | 3.00 | 76.20 | 2.31 | 3.04 | 3.35 | 3.85 | 4.39 | 5 | 5.49 | 6.1 | |
| 31/2 | 3.50 | 88.90 | 2.69 | 3.56 | 3.93 | 4.51 | 5.15 | 5.86 | 6.44 | 7.17 | |
| 4 | 4.00 | 101.60 | 4.11 | 4.54 | 5.21 | 5.95 | 6.8 | 7.47 | 8.3 | ||
| Notes Conventional weights are quoted, assuming the tube is specified as average wall. যোগ করুন 10% to the weight for minimum wall tube. Multiply quoted weights by 1.014 for austenitic and duplex steels, by 0.985 for ferritic and martensitic steels. | |||||||||||
How to Use the BWG Table for Tube Sizing
The BWG table is a handy tool for selecting the right tube size. It aids in identifying the correct diameter and thickness for various applications, enhancing both safety and efficiency.
To use the BWG table:
- Locate the desired BWG number.
- Reference the corresponding thickness in millimeters or inches.
- Choose the size that aligns with your project requirements.
BWG vs. Other Gauge Systems
The BWG system, while focused on tube thickness, is not the only gauge available. It contrasts with systems like the American Wire Gauge (AWG), which measures wire thickness.
Key differences include:
- BWG is for tubes; AWG is for wires.
- Higher BWG numbers mean thinner tubes.
- BWG is globally recognized, especially in construction.
Common Applications of BWG Tube Sizes
BWG tube sizes play a vital role in various industries. Their applications are widespread due to their adaptability and standardization. Different sectors rely on these sizes for specific needs.
Some common applications include:
- Construction projects, for structural components
- Manufacturing processes, for machine parts
- Medical devices, such as needles
Key Takeaways for Using the BWG Size Chart
Understanding the BWG size chart enhances precision in metalwork. This chart is essential for choosing appropriate tube sizes. Knowledge of the chart helps maintain quality and compatibility in projects.
Here are key points to remember:
- BWG sizes vary inversely with thickness.
- Accurate measurements ensure structural integrity.
- A comprehensive understanding minimizes waste and costs.
These insights make using the BWG size chart crucial for effective project outcomes.