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<p>The author discovered that there is a type of "fragile" people in this world. This special physique does not mean that a person is fragile, but that once a valuable item reaches his hand, cracks appear on the surface within a short time, and even breaks into pieces as soon as he gets it. Among them, the most common type of guns are mobile phones, and even laptops, not to mention other glass products.</p><p><br></p><p>As far as watches are concerned, a lot depends on the material of the case. Generally speaking, as long as it is not a watch sold at a night market stall, the watch case is made of metal. At present, the most commonly used "civilian" type metals are tungsten steel and stainless steel.</p><p><br></p><p>However, the characteristics of both 316L stainless steel and tungsten steel have always been controversial. Some people believe that tungsten steel is durable, while opponents believe that stainless steel is resistant to falls. So what is the truth?</p><p><br></p><p>316L stainless steel</p><p><br></p><p>Stainless steel, as the name suggests, has the corrosion resistance and toughness that 18K gold can't match. There are many members in the stainless steel family, and the stainless steel commonly used in watches is mostly 316L stainless steel. 316L stainless steel is more common in chemical processing equipment and is suitable for acid and alkali working environments. It is conceivable that a <a href="https://www.jinhuashengwatch.com/stainless-steel-watch" rel="noopener noreferrer" target="_blank">stainless steel watch </a>made of 316L stainless steel can fully adapt to humid environments such as the seaside, provided that the coating on the surface of the stainless steel is not damaged.</p><p><br></p><p>In addition, the reason for the resistance of stainless steel to fall is that the nickel and chromium contained in it increase its impact resistance, so that even if it is subjected to a heavy hammer, the case is bent instead of broken. But this also exposed the 316L stainless steel short plate-not wear-resistant. It is important to know that the surface of stainless steel has a layer of coating, and the used coating will gradually wear out in the daily wear and tear of life. Finally, the surface of stainless steel has pits and pits, and rust spots appear at the same time, which is very ugly. And this aspect will not appear on tungsten steel watches.</p><p><br></p><p>Tungsten Steel</p><p><br></p><p>The tungsten steel in the watch is made by sintering at least one kind of desalinated metal under the bonding of metallic cobalt, and tungsten carbide is commonly used. Refining at high temperatures makes tungsten steel materials more wear-resistant, so the hardness is actually higher than that of stainless steel, and it can maintain extremely high wear resistance even at high temperatures of 500°C. However, the carbonized structure of tungsten steel also exposes a problem that does not exist in stainless steel-high brittleness, that is, lack of impact resistance: perhaps a powerful drop and bump in life may cause the tungsten steel watch case to be on the watch. Cracks appear; perhaps a heavy hammer can smash the watch body of the tungsten steel watch in half. However, after eliminating these difficulties, after a long time use of tungsten steel watches, there are few pits and pits on the surface.</p><p><br></p><p>It can be seen that, in fact, the characteristics of tungsten steel and stainless steel are complementary. Stainless steel has impact resistance that tungsten steel does not have, while tungsten steel has wear resistance that stainless steel lacks; at the same time, both have good corrosion resistance. And hardness.</p>
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