Kunshan Meiyaxing Hardware Machinery Co., Ltd. is a direct branch of Hong Kong Meiya International Trading Company in China. It has its own tool brand: MANF, engaged in CNC tool sales and operation services. Provide tungsten steel milling cutters, milling blades, turning blades, grooving and cutting blades, drilling and boring blades, multi-functional blades, threading blades and other indexable blades and their matching handles and cutter discs. And reached long-term strategic cooperation with many well-known production factories. The two sides jointly developed, designed, and produced teams, advanced equipment, and continuously innovative technical strength. They are committed to mutual cooperation, guided by technical services, and formed a form of mutual reliance in the industrial chain to solve various processing problems for processing and manufacturing companies. How to choose high-quality stainless steel blades
(I) Look at the material number
Different material numbers represent different compositions and performances. This is the first point to pay attention to when selecting stainless steel blades. Common stainless steel material numbers are 420, 440C, 154CM, etc. 420 Stainless steel is a martensitic stainless steel with a certain hardness and corrosion resistance. It has a relatively low carbon content and is relatively affordable. It is often used for some daily knives that do not require particularly high performance, such as ordinary kitchen knives and utility knives. 440C stainless steel is a high-carbon, high-chromium martensitic stainless steel with higher carbon and chromium content than 420. Its hardness and wear resistance have been significantly improved. It also has good corrosion resistance and is often used to make high-end knives, such as high-quality razor blades and outdoor knives. 154CM stainless steel is also a high-performance stainless steel with a high molybdenum content, which makes it have excellent corrosion resistance and toughness while maintaining high hardness and wear resistance. It is widely used in some professional industrial knives and high-end kitchen knives. When we are choosing a stainless steel blade, if it is used for daily simple cutting work, a 420 stainless steel blade may meet the needs; but if it needs to be used for a long time and at high intensity, and the sharpness and durability of the blade are required, then a blade made of materials such as 440C or 154CM will be a better choice. .
(II) Observe the appearance and craftsmanship
The appearance and craftsmanship are important bases for judging the quality of stainless steel blades. First, carefully observe the surface flatness of the blade. The surface of a high-quality stainless steel blade should be smooth and flat, without obvious bumps, scratches or flaws. If the surface of the blade is uneven, it will not only affect the appearance, but also cause uneven cutting during use, and even affect the service life of the blade. When choosing a kitchen knife blade, you can put the blade in a well-lit place and observe its surface from different angles. If you can see obvious uneven reflection or slight ups and downs, then the quality of this blade may be questionable. Secondly, edge grinding is also the key. The sharp edge is the core of the blade. A good edge is finely polished, the edge line is straight, and the angle is uniform. Touch the edge gently with your hand (pay attention to safety and avoid scratches), you can feel the sharpness and smoothness of the edge. If the edge is rough or uneven, it is easy to get stuck and unable to cut when cutting. In addition, you can also observe whether the thickness of the blade is uniform, whether the connection between the handle and the blade is firm, and other details, which can reflect the overall craftsmanship level of the blade.
(III) Refer to brand reputation
Brand reputation and product quality are often closely related. When choosing stainless steel blades, referring to brand reputation is a good method. Well-known brands usually have strict standards and rich experience in production processes, quality control, etc. Like Germany's ZWILLING, as a world-renowned knife brand, the stainless steel blades it produces are made of high-quality steel and use advanced forging and grinding processes. The products are known for their sharpness, durability and stable quality. Japan's KAI is also a highly acclaimed knife brand. Its stainless steel blades have outstanding performance in sharpness, corrosion resistance and process details. DELI is a well-known domestic office supplies brand. Its stainless steel utility knife blades have a high reputation in the market due to their good quality and cost-effectiveness. When consumers buy stainless steel blades, they can learn about the reputation and user feedback of different brands by checking product reviews and consulting professionals, so as to choose reliable products.
VI. Maintenance Tips for Stainless Steel Blades
(I) Look at the material number
Different material numbers represent different compositions and properties, which is the first point to pay attention to when choosing stainless steel blades. Common stainless steel material numbers include 420, 440C, 154CM, etc. 420 stainless steel is a martensitic stainless steel with a certain hardness and corrosion resistance. It has a relatively low carbon content and is relatively affordable. It is often used for some daily knives that do not require particularly high performance, such as ordinary kitchen knives and utility knives. 440C stainless steel is a high-carbon, high-chromium martensitic stainless steel with higher carbon and chromium contents than 420. Its hardness and wear resistance have been significantly improved. It also has good corrosion resistance and is often used to make high-end knives, such as high-quality razor blades, outdoor knives, etc. 154CM stainless steel is also a high-performance stainless steel with a high molybdenum content, which makes it have excellent corrosion resistance and toughness while maintaining high hardness and wear resistance. It is widely used in some professional industrial knives and high-end kitchen knives. When we choose stainless steel blades, if it is used for daily simple cutting work, 420 stainless steel blades may be able to meet the needs; but if it needs to be used for a long time and at high intensity, and the sharpness and durability of the blade are required to be high, then blades made of materials such as 440C or 154CM will be better choices.
(II) Observe the appearance process
The appearance process is an important basis for judging the quality of stainless steel blades. First, carefully observe the surface flatness of the blade. The surface of a high-quality stainless steel blade should be smooth and flat, without obvious bumps, scratches or flaws. If the surface of the blade is uneven, it will not only affect the appearance, but may also cause uneven cutting during use, and even affect the service life of the blade. When choosing a kitchen knife blade, you can put the blade in a well-lit place and observe its surface from different angles. If you can see obvious uneven reflection or slight undulations, then the quality of this blade may be questionable. Secondly, edge grinding is also key. A sharp edge is the core of the blade. A good edge is finely polished, with a straight edge line and uniform angle. Touch the blade gently with your hand (pay attention to safety and avoid scratches), you can feel the sharpness and smoothness of the blade. If the blade is rough or uneven, it is easy to get stuck and unable to cut when cutting. In addition, you can also observe whether the thickness of the blade is uniform, whether the connection between the handle and the blade is firm, and other details, which can reflect the overall craftsmanship level of the blade.
(III) Refer to brand reputation
Brand reputation is often closely related to product quality. When choosing stainless steel blades, referring to brand reputation is a good method. Well-known brands usually have strict standards and rich experience in production technology, quality control, etc. . Like Germany's ZWILLING, as a world-renowned knife brand, the stainless steel blades it produces are made of high-quality steel and use advanced forging and grinding technology. The products are famous for their sharpness, durability and stable quality. Japan's KAI is also a highly acclaimed knife brand. Its stainless steel blades have outstanding performance in sharpness, corrosion resistance and craftsmanship details. DELI is a well-known domestic office supplies brand. Its stainless steel utility knife blades have a high reputation in the market due to their good quality and cost-effectiveness. When purchasing stainless steel blades, consumers can learn about the reputation and user feedback of different brands by checking product reviews and consulting professionals, so as to choose products with reliable quality.
VI. Maintenance tips for stainless steel blades
(I) Key points for cleaning after use
It is crucial to clean the stainless steel blades in time after each use. Taking kitchen knives as an example, various food residues will remain after use, such as vegetable juice and meat grease. If these substances remain on the blades for a long time, they will not only breed bacteria, but also may corrode the blade surface. The correct way is to rinse the blade with clean water first to rinse off most of the food residue, then use a soft damp cloth or sponge dipped in an appropriate amount of neutral detergent, gently wipe the blade surface to remove the remaining stains. For some stains that are difficult to remove, you can wipe them a few more times with a little force, but be careful not to use hard cleaning tools such as steel wool to avoid scratching the blade surface and damaging its protective film. After wiping it clean, rinse it thoroughly with clean water to ensure that the detergent is completely removed. Finally, wipe the blade dry with a clean dry cloth, especially the blade part, to ensure that there is no moisture residue. Because even stainless steel blades may rust if they are in a humid environment for a long time. If they are not wiped dry in time, the moisture will form tiny water droplets on the surface of the blade. These water droplets will increase the salt concentration in the local area during evaporation, thereby accelerating the corrosion of the blade.
(II) Correct storage method
Choosing a suitable storage location and method is also critical to protecting the performance of stainless steel blades and extending their service life. In the kitchen, knives are best stored on a special knife rack. The knife rack can be made of wood or plastic. They can play a certain buffering role and prevent the blade from directly colliding with other hard objects. Insert the blade into the knife slot of the knife rack to ensure that the blade is stable and will not shake or fall. If there is no knife holder, you can also put the knife in a knife box. The knife box usually has a partition design inside, which can store different knives separately to prevent them from colliding with each other and damaging the blade. When storing, be sure to place both the blade and the handle in a dry, ventilated place to avoid a humid environment. Humid air will accelerate the rusting process of the blade, especially in the rainy season in the south, and pay more attention to moisture-proof. If the blade is not used for a long time, you can apply a thin layer of cooking oil, such as olive oil, rapeseed oil, etc. on its surface, and then wrap it with plastic wrap. This will form a protective film to isolate air and moisture and further prevent rust.
(III) Tips for regular maintenance
Regular sharpening is an important means to keep stainless steel blades sharp. The frequency of sharpening depends on the frequency of use of the blade and the material being cut. If it is a kitchen knife that is used frequently, it is generally more appropriate to sharpen the knife every 1-2 months; for blades that are used less frequently, such as utility knife blades, you can sharpen the blade when you feel the blade is dull according to the actual situation. When sharpening a knife, you must first choose a suitable whetstone. A whetstone usually has two sides, one is a coarse grinding surface and the other is a fine grinding surface. For a relatively blunt blade, first use the coarse grinding surface for preliminary grinding to repair the shape of the blade and remove large gaps and wear; then use the fine grinding surface for fine grinding to make the blade sharper. When sharpening the knife, pay attention to maintaining the correct angle. Generally speaking, the angle between the blade and the whetstone is about 15-20 degrees. Place the blade flat on the whetstone, and push it evenly from the root of the blade to the tip of the blade at a certain angle. Each time you push it, turn the blade over and grind the other side, alternating between the two sides until the blade becomes sharp. During the sharpening process, constantly sprinkle water on the whetstone to lower the temperature and prevent the blade from overheating and annealing, which affects the hardness and sharpness. At the same time, pay attention to safety and avoid scratching your fingers when sharpening the knife. After sharpening the knife, rinse the blade with clean water to remove metal debris on the surface, then wipe it dry and apply an appropriate amount of cooking oil to protect the blade.
Stainless steel blades, this small object that is everywhere in our lives, contains huge energy and value. With its sharpness, durability and corrosion resistance, it plays an indispensable role in various fields such as kitchen, industry, and medical treatment, and has become a trustworthy partner in our life and work.
However, the performance and service life of stainless steel blades not only depend on their own materials and manufacturing processes, but also closely related to our selection, use and maintenance methods. I hope that through the introduction of this article, everyone can better understand stainless steel blades, and in the future life, pay attention to and use stainless steel blades correctly. Choose high-quality blades and follow the correct use and maintenance methods to make these small blades serve us better and bring more convenience and beauty to our lives.
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Contact us:Company name:Kunshan Meiyaxing Hardware Machinery Co., Ltd;Tel:8618962438699;Address: Room 3003, Building 3, Zhengtailong, No. 1288 Chengbei Middle Road, Kunshan City, Jiangsu Province, China;Email:myxcuttingtools@gmail.com;Website: https://www.myxcuttingtools.com
