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As a common cutting tool, circular saw blades are widely used in metal processing, construction, and other fields. The choice of its material directly affects the cutting efficiency, service life, cutting effect and safety. Therefore, understanding the common materials and characteristics of circular saw blades is crucial for choosing the right circular saw blade. This article will explore the common materials of circular saw blades in depth, including their performance characteristics, scope of application,n and precautions when choosing.
1. Basic structure of circular saw blades
The basic structure of circular saw blades usually consists of a saw blade body and teeth. The saw blade body is generally made of alloy steel, stainless steel, or other durable materials, while the teeth are mostly made of extremely hard materials such as cemented carbide, high-speed steel (HSS,) or diamond. The material, shape, and hardness of the teeth play a vital role in the cutting effect, so choosing the right material can ensure the best performance of the circular saw blade.
2. Common materials of circular saw blades
High-speed steel (HSS)
High-speed steel (HSS) is a high-alloy tool steel with high hardness and wear resistance. High-speed steel circular saw blades are widely used in cutting metal, wood, plastic, and other materials, especially suitable for occasions requiring high-speed and precision cutting.
Features of high-speed steel circular saw blades:
High hardness: The hardness of high-speed steel can reach more than 60HRC, which can maintain a good cutting effect.
Strong wear resistance: High-speed steel material has strong resistance to friction and can maintain its sharpness even in long-term high-speed cutting.
Good high-temperature resistance: High-speed steel has good high-temperature resistance and can withstand high operating temperatures without losing hardness.
Application areas:
High-speed steel circular saw blades are widely used to cut various metal materials, especially soft and hard metals such as aluminum, copper, steel, and alloys. At the same time, it can also be used for cutting non-metallic materials such as wood and plastic.
Cemented carbide
Cemented carbide is a composite material composed of metal and carbide (such as tungsten, titanium, etc.) with extremely high hardness and wear resistance. Cemented carbide materials are widely used in the manufacture of cutting tools, especially circular saw blades.
Features of carbide circular saw blades:
Extremely high hardness: The hardness of carbide is much higher than that of ordinary steel, usually reaching more than 80HRC, so it can easily cut various hard materials.
Excellent wear resistance: Carbide has extremely strong wear resistance, can maintain a sharp cutting edge, and reduces the cost of frequent replacement of saw blades.
Strong heat resistance: The high melting point of carbide enables it to withstand high-temperature cutting without losing hardness, so it is suitable for long-term high-speed cutting.
Application areas:
Carbide circular saw blades are suitable for cutting hard metals, stones, concrete, ceramics, and other materials. Especially when cutting hard metals such as steel and stainless steel, carbide circular saw blades show excellent performance. In addition, it is also commonly used in high-precision cutting, wood processing, and other industries.
Tungsten Carbide
Tungsten Carbide is a high-hardness alloy composed of tungsten and carbide and is one of the important materials for manufacturing circular saw blades. Tungsten carbide has very high hardness, wear resistance, and compressive strength, so it is suitable for high-load and high-precision cutting work.
Features of tungsten steel circular saw blades:
Extremely high hardness: Tungsten steel is several times harder than ordinary steel and can easily cut hard materials.
Strong wear resistance: Tungsten steel's wear resistance allows it to maintain a sharp cutting effect during long-term use, extending the service life of the circular saw blade.
Good heat resistance: Tungsten steel's high melting point allows it to remain stable at high temperatures and will not soften due to the high temperature generated during cutting.
Application areas:
Tungsten steel circular saw blades are widely used in cutting hard metals such as steel, alloy steel, stainless steel, and high-hardness materials such as concrete and stone. Its super wear resistance makes it widely used in industrial production, especially in the fields of precision machining and heavy-duty cutting.
Diamond
Diamond is the hardest natural material on earth, so it is widely used to cut the hardest materials. Diamond circular saw blades are made into superhard cutting tools by fixing diamond particles on the surface of the circular saw blade. Diamond circular saw blades usually use laser welding or brazing technology to embed diamond particles into the saw blade.
Features of diamond circular saw blades:
Super hardness: Diamond has the strongest hardness on earth, so diamond circular saw blades can easily cut almost all hard materials, such as stone, concrete, ceramics, glass, etc.
Long service life: Due to the extremely strong wear resistance of diamonds, the service life of diamond circular saw blades is much longer than that of circular saw blades of other materials.
Smooth cutting effect: Diamond circular saw blades produce less friction during cutting, so they can maintain a smooth cutting surface and reduce material breakage.
Application areas:
Diamond circular saw blades are mainly used to cut hard materials such as stone, marble, granite, concrete, ceramics, etc. It has been widely used in construction engineering, mining, precision cutting, and other fields. Diamond circular saw blades are also the preferred tool for cutting brittle materials such as glass and ceramics.
Alloy steel
Alloy steel is a material that improves the performance of steel by adding different alloy elements (such as chromium, nickel, molybdenum, etc.). Alloy steel circular saw blades are usually used to cut some medium-hard materials, such as certain types of metals and wood.
Characteristics of alloy steel circular saw blades:
Higher strength: Alloy steel can improve its strength and hardness by adding alloy elements, making it suitable for cutting medium-hardness materials.
Good wear resistance: Alloy steel circular saw blades have good wear resistance and are suitable for continuous cutting tasks.
Flexible processing: Alloy steel has good processing performance and can produce circular saw blades of different shapes and specifications.
Application areas:
Alloy steel circular saw blades are suitable for cutting softer metals, wood, plastics, and other materials. Due to its good wear resistance and cutting effect, it is often used for medium-load cutting tasks.
Carbon steel
Carbon steel is a steel with a high carbon content, and its hardness and strength are higher than ordinary steel. Carbon steel circular saw blades are often used for more common cutting tasks and are suitable for some low-demand cutting operations.
Characteristics of carbon steel circular saw blades:
Low cost: Carbon steel has a low production cost and is suitable for some cutting tasks that do not require high precision.
Strong adaptability: Carbon steel circular saw blades are suitable for cutting a variety of common materials, such as wood, plastic, aluminum alloy, etc.
Cutting effect is general: Although the cutting effect of carbon steel circular saw blades is not as fine as that of carbide or diamond circular saw blades, it is suitable for low-load and general cutting tasks.
Application areas:
Carbon steel circular saw blades are widely used for cutting wood, plastic, and light metal, and are often used for low-load operations such as carpentry and home repairs.
3. How to choose the right circular saw blade material
When choosing the right circular saw blade material, you first need to consider the hardness and properties of the cutting material. If you need to cut hard materials such as stainless steel, stone, etc., diamond or tungsten steel circular saw blades are the best choice. If you are cutting metal, wood, or other ordinary materials, high-speed steel or alloy steel circular saw blades are the right choice. At the same time, you also need to weigh factors such as the working environment, cutting speed, and budget.
The material of the circular saw blade directly determines its cutting effect, durability, and application range. Understanding the characteristics of circular saw blades of different materials can help users choose the most suitable tools according to their needs to ensure that the cutting work is more efficient, precise, and safe. With the development of materials science, the materials of circular saw blades are also constantly improving. In the future, more circular saw blades made of new materials will be on the market, providing more choices and higher work efficiency.
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DongGuan Chine Chern Machinery Co.,Ltd.
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