Surface treatment of stainless steel standard parts
Stainless steel standard parts have the advantages of corrosion resistance, high-quality appearance and image, high strength, easy production and welding, no need for painting, electroplating or heat treatment, and can be 100% recycled and reused. The impact and burden on the environment during manufacturing, use, and processing are minimal. Although the initial cost is high and the lifecycle cost is low, it is the most cost-effective component solution. The heat treatment of stainless steel fasteners used to rely heavily on the use of nickel in the process of using stainless steel as the material. However, with the global price increase of nickel, the price of fasteners has also been greatly affected. In order to alleviate cost pressure and improve the competitiveness of stainless steel fasteners, manufacturers of stainless steel fasteners have specifically sought alternative materials and produced low nickel stainless steel fasteners. If stainless steel is used as the main material for standard stainless steel parts, it is also necessary to understand the magnetic properties of stainless steel itself. Stainless steel is generally considered non magnetic, but in reality, austenitic series materials may exhibit certain magnetism after certain processing techniques. However, it is inaccurate to assume that magnetism is the standard for judging the quality of stainless steel fasteners.
04-20
Surface treatment and rust removal methods for stainless steel
In order to better improve the performance of stainless steel, surface treatment is often carried out on stainless steel materials, and the surface of stainless steel can also rust. Below, I will share with you common methods of stainless steel surface treatment and methods of stainless steel surface rust removal. Stainless steel surface treatment method: 1. The method of ion deposition of oxides or oxides is to place stainless steel workpieces in a vacuum deposition machine for vacuum evaporation plating: for example, watch cases and watch belts plated with titanium gold. It is usually golden in color. This method is suitable for large-scale product processing. Due to high investment and cost, small batch products are not cost-effective. 2. High temperature oxidation method is to immerse the workpiece in a specific molten salt to maintain a certain process range, forming a certain thickness of oxide film on the workpiece, and presenting various colors. 3. Chemical method is the process of forming a film's color through chemical oxidation in a specific solution. Generally, there are many methods that can be used, but to ensure that a batch of products have the same color, a reference telegram must be used to control it. 4. Electrochemical method is the commercial application of the color of a film formed by electrochemical oxidation in a specific solution. 5. The gas phase cracking method is relatively complex and has few industrial applications. Stainless steel surface rust removal method: 1. Dust containing other metal elements or attachments of dissimilar metal particles accumulate on the surface of stainless steel. In humid air, the condensate between the attachments and the stainless steel forms a micro battery, triggering an electrochemical reaction and damaging the protective film, which is called electrochemical corrosion. 2. The surface of stainless steel adheres to organic juices (such as melons and vegetables, noodle soup, phlegm, etc.), forming organic acids in the presence of water and oxygen. Over time, organic acids corrode the metal surface. 3. The surface of stainless steel adheres to substances containing acids, alkalis, and salts (such as alkaline water and lime water splashing during wall decoration), causing local corrosion. 4. In polluted air (such as atmospheres containing a large amount of sulfides, carbon oxides, and nitrogen oxides), condensation water forms sulfuric acid, nitric acid, and acetic acid droplets, causing chemical corrosion.
The Development History of Door Studs
From the development history of door studs, it can be seen that the initial function of door studs was only to strengthen the door core plate and threading, making it more sturdy and durable. However, in the feudal society, everything in architecture is not just for practical and beautiful purposes...
Five Precautions for Choosing High Quality Aluminum Handle Gold
The market for aluminum alloy handles is growing, and now many buildings use aluminum alloy handles. Therefore, learning to distinguish the quality of aluminum alloy handles has become a necessary knowledge for consumers.
Fun crosstalk about door nails
"Yandu" magazine once published Yin Wenshuo's stand-up comedy "Mandarin Yanjing": Even the door nails on the gate are all graded.
China's hardware industry needs to "take advantage of the void" to open up overseas markets
If China's hardware industry wants to develop and expand the market, it is necessary to retain the European and American international markets while gradually turning its eyes to other overseas markets to avoid the lesson of "all eggs in one cage". After the careful training and careful observation of China's hardware people, it has lived up to expectations, and the overseas market is delightful, and all indications are that China's hardware industry is "organic".
Hardware accessories such as hardware pulling tend to be works of art
As we all know, the development of door and window building materials to the present, has experienced several stages such as wooden doors and windows, metal doors and windows, hardware handles FONT zinc alloy handles, and aluminum alloy doors and windows, plastic doors and windows widely used in the market now. Now, the development of the door and window industry has gradually moved towards the micro part, that is, door locks, door touches, cables, etc. In the past, door and window hardware emphasized more on its mechanical properties, rust resistance, moisture resistance and other qualities. Today, hardware is no longer willing to play a supporting role, their designs have begun to become more and more humane, more and more fashionable, and the style of furniture changes is closely linked.
What are the main hardware components of doors and windows
1. Hinge It is available in iron, copper and stainless steel. It is one of the necessary hardware for doors and windows. 2. Hinge Hinges are divided into clear hinges and dark hinges, and open hinges are mostly used on doors and windows. 3. Orbit Sliding doors and windows need to be installed with door and window slides, often equipped with ball bearings to facilitate the sliding of doors and windows. 4. Door suction Door suction is a hardware accessory installed behind the door to prevent wind blowing and make the door close automatically. 5. Door closer The door closer can ensure that the door is opened accurately, timely closed to the initial position, it is a kind of hydraulic device that can automatically close or fix the open door leaf in a certain position, including ground spring, door top spring, door slingshot, magnetic door suction head, etc.
Transform high-end furniture hardware companies how to meet the trend
With the development and progress of industrial technology in China, furniture production has evolved from traditional manual workshops to mechanized mass production. Hardware accessories have higher requirements for universality, interchangeability, functionality, and decoration...
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