First, dry brush drawing
The most common on the market are filaments and short filaments. After processing such surfaces, 304 stainless steel sheets exhibit good decorative effects and can meet the requirements of general decorative materials. In general, 304 series stainless steel can form a good effect after a single scrub. Because such processing equipment is low in cost, simple in operation, low in processing cost, and widely used, it becomes a necessary equipment for the machining center. Therefore, most machining centers can provide sanding plates with filaments and short wires, of which 304 steel accounts for more than 80%.
Second, oil brushed wire
The 304 series stainless steel has a perfect decorative effect after oil grinding, and is widely used in decorative panels such as elevators and home appliances. Cold-rolled 304 series stainless steel can generally achieve good results after a sanding pass. There are also some machining centers on the market that can provide oil-based frosting of hot-rolled stainless steel, and the effect is comparable to that of cold-rolled oil mill. Oily drawing is also divided into filaments and short filaments. Elevator decoration generally uses filaments, and all kinds of small household appliances, kitchen utensils and other lines have a choice.
Difference from 316
Now the two most commonly used stainless steel 304, 316 (or 1.4308, 1.4408 corresponding to the German / European standard), the main difference between the chemical composition of 316 and 304 is that 316 contains Mo, and it is generally recognized that 316 has better corrosion resistance. It is more resistant to corrosion than 304 in high temperature environments. Therefore, in high temperature environments, engineers generally use components of 316 materials.
304 is widely used in household products (1, 2 types of tableware), cabinets, indoor pipelines, water heaters, boilers, bathtubs, auto parts, medical equipment, building materials, chemicals, food industry, agriculture, ship parts.
The corrosion resistance of stainless steel plates depends mainly on its alloy composition (chromium, nickel, titanium, silicon, aluminum, manganese, etc.) and the internal structure, and the main role is chromium.
Chromium has high chemical stability and can form a passivation film on the steel surface to isolate the metal from the outside, protect the steel plate from oxidation, and increase the corrosion resistance of the steel plate. After the passivation film is destroyed, the corrosion resistance is lowered.
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Anna H.//SMC Editor
Guest contributors are welcome at the Alloy Wiki.It is a weekly wiki and guide on alloy information and processing technology, while also about the vast array of opportunities that are present in manufacturing. Our team of writers consists of a Machining Material Supplier / Machinist / Tool and Die Maker, a Biomedical Engineer / Product Development Engineer, a Job Development Coordinator / Adjunct Professor, and a President and CEO of a manufacturing facility.