316LUJ不锈钢#低镍铁 双相尿素级合金钢板
发布时间:2013-8-28 14:24:35 字体:
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316LUJ不锈钢#低镍铁 双相尿素级合金钢板
316 luj all austenitic stainless steel: at room temperature with austenitic stainless steel of the organization. Contains about 18% of Cr, Ni in steel by 13% ~ 15%, about 0.03% C, has the stable austenite rust including famous high chromium nickel steel and on this basis, increase the content of Cr, Ni and Mo, Cu, Si, N, P and other elements of high Cr - Ni series steel. All austenitic stainless steel nonmagnetic and has high toughness and plasticity, but strength is low, cannot by phase transformation strengthening, can only be reinforced by cold working. As with other elements, such as good free cutting. This kind of steel in addition to the oxidizing acid medium corrosion resistance, if it contains the elements such as Mo, Cu and ability of sulfuric acid, phosphoric acid and the corrosion of formic acid, acetic acid, urea, etc. If the carbon content of steel is lower than 0.03% can significantly improve the intergranular corrosion and corrosion resistance. High silicon austenitic stainless steel nitric acid have good corrosion resistance. Because the austenitic stainless steel has comprehensive and good comprehensive performance, in walks
316LUJ不锈钢:在使用状态下以铁素体组织为主的不锈钢。含铬量在11%~30%,具有体心立方晶体结构。这类钢一般不 含镍,有时还含有少量的Mo、Ti、Nb等到元素,这类钢具导热系数大,膨胀系数小、抗氧化性好、抗应力腐蚀优良等特点,多用于制造耐大气、水蒸气、水及氧化性酸腐蚀的零部件。这类钢存在塑性差、焊后塑性和耐蚀性明显降低等 缺点,因而限制了它的应用。炉外精炼技术(AOD或VOD)的应用可使碳、氮等间隙元素大大降低,因此使这类钢获得广泛应用。