Ana Çeşitleri Of Paslanmaz Çelik

Paslanmaz çelik genellikle bölünmüş içine Martensit çelik% 2c ferritik çelik% 2c östenitik çelik% 2c östenitik ferritik (dubleks) paslanmaz çelik ve yağış sertleşme paslanmaz çelik göre yapı durum. Ekleme% 2c it olabilir bölünmüş içine krom paslanmaz çelik% 2c krom nikel paslanmaz çelik% 2c ve krom manganez azot paslanmaz çelik buna göre kendi bileşimine. Orada ayrıca a özel paslanmaz çelik kullanılan basınç kaplar% 2c GB% 7b% 7b0% 7d% 7d paslanmaz Çelik Plaka ve Şerit için Basınç Ekipman.
Ferritik paslanmaz çelik
İçerir 15 yüzde 30 yüzde krom. Korozyon direnç, tokluk, ve kaynaklanabilirlik artış ile the artış krom içerik, ve klorür stres korozyon direnç üstün diğer tipleri paslanmaz çelik. Crl7, Cr17Mo2Ti, Cr25, Cr25Mo3Ti, Cr28, etc. ait bu kategori. Ferritik paslanmaz çelik has iyi korozyon direnç ve oksidasyon direnç nedeniyle - yüksek krom içerik% 2c ama onun mekanik ve teknolojik özellikler fakirdir. Bu sık sık kullanılan asit dirençli yapılar ile düşük stres ve as an oksidasyon dirençli çelik. Bu tip çelik olabilir direnç korozyon gelen atmosferik% 2c nitrik asit% 2c ve salin çözeltiler% 2c ve has özellikleri böyle iyi iyi yüksek sıcaklık oksidasyon direnç ve düşük termal genleşme katsayı. O kullanılan in nitrik asit ve gıda fabrika ekipman, ve can ayrıca yapılmış parçalara yapılmış parçalara bu iş yüksek sıcaklıklar, böyle gaz türbin parçalar.
%0östenitik paslanmaz çelik
It contains more than 18 percent chromium, as well as about 8 percent nickel and a small amount of elements such as molybdenum, titanium, and nitrogen. Good comprehensive performance and resistance to corrosion in various media. The commonly used grades of austenitic stainless steel include 1Cr18Ni9, 0Cr19Ni9, etc. The Wc of 0Cr19Ni9 steel is less than 0.08 percent and is marked as "0" in the steel grade. This type of steel contains a large amount of Ni and Cr, resulting in the steel being in an austenitic state at room temperature. This type of steel has good plasticity, toughness, weldability, corrosion resistance, and non magnetic or weak magnetic properties. It has good corrosion resistance in oxidizing and reducing media, and is used to make acid resistant equipment, such as corrosion resistant containers and equipment linings, transportation pipelines, nitric acid resistant equipment parts, etc. In addition, it can also be used as the main material for stainless steel watch accessories. Austenitic stainless steel generally adopts solid solution treatment, which means heating the steel to 1050~1150 degree and then water cooling or air cooling to obtain single-phase austenite structure.
Östenitik ferrit dubleks paslanmaz çelik
It has the advantages of both austenitic and ferritic stainless steel, and has superplasticity. Stainless steel with austenite and ferrite structures accounting for about half each. In the case of low carbon content, the chromium (Cr) content ranges from 18 percent to 28 percent , and the nickel (Ni) content ranges from 3 percent to 10 percent . Some steels also contain alloying elements such as Mo, Cu, Si, Nb, Ti, and N. This type of steel has the characteristics of both austenitic and ferritic stainless steel. Compared with ferrite, it has higher plasticity and toughness, no room temperature brittleness, significantly improved intergranular corrosion resistance and welding performance. At the same time, it also maintains the brittleness of ferrite stainless steel at 475 degree , high thermal conductivity, and superplasticity. Compared with austenitic stainless steel, it has higher strength and significantly improved resistance to intergranular corrosion and chloride stress corrosion. Duplex stainless steel has excellent resistance to pitting corrosion and is also a nickel saving stainless steel.