Method for producing vanadium, titanium, nickel and chrome alloy steel by using marine placer and laterite nickel ore
The invention discloses a method for producing vanadium, titanium, nickel and chrome alloy steel by using marine placer and laterite nickel ore. The alloy steel comprises, by weight, no more than 0.28% of V, no more than 0.07% of Ti, 38-46% of Ni, 19.5-23.5% of Cr, no more than 1.00% of Si, no more...
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Format | Patent |
Language | Chinese English |
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17.10.2017
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Abstract | The invention discloses a method for producing vanadium, titanium, nickel and chrome alloy steel by using marine placer and laterite nickel ore. The alloy steel comprises, by weight, no more than 0.28% of V, no more than 0.07% of Ti, 38-46% of Ni, 19.5-23.5% of Cr, no more than 1.00% of Si, no more than 0.030% of P, no more than 0.5% of Cu, no more than 0.010% of S and the balance Fe and inevitable impurities. In the method disclosed by the invention, the vanadium and titanium refining grains and stable carbides formed are strong in tendency, and the strength, hardness and wear resistance of cast iron can be improved obviously; nickel and chrome elements have high acid resistance and high resistance to alkali corrosion, and the alloy containing nickel components has effective resistance to stress corrosion cracking and high corrosion resistance.
本发明公开了种海砂矿与红土镍矿生产钒钛镍铬合金钢材的方法,其化学组成按质量百分比计为:V≤0.28;Ti≤0.07;Ni38~46;Cr19.5~23.5;Si≤1.00;P≤0.030;Cu≤0.5;S≤0.010;余量为Fe和不可避免的杂质。本发明中的钒、钛元素细化晶粒及形成稳定碳化物的倾向很强,可显著提高铸铁的强度、硬度和耐 |
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AbstractList | The invention discloses a method for producing vanadium, titanium, nickel and chrome alloy steel by using marine placer and laterite nickel ore. The alloy steel comprises, by weight, no more than 0.28% of V, no more than 0.07% of Ti, 38-46% of Ni, 19.5-23.5% of Cr, no more than 1.00% of Si, no more than 0.030% of P, no more than 0.5% of Cu, no more than 0.010% of S and the balance Fe and inevitable impurities. In the method disclosed by the invention, the vanadium and titanium refining grains and stable carbides formed are strong in tendency, and the strength, hardness and wear resistance of cast iron can be improved obviously; nickel and chrome elements have high acid resistance and high resistance to alkali corrosion, and the alloy containing nickel components has effective resistance to stress corrosion cracking and high corrosion resistance.
本发明公开了种海砂矿与红土镍矿生产钒钛镍铬合金钢材的方法,其化学组成按质量百分比计为:V≤0.28;Ti≤0.07;Ni38~46;Cr19.5~23.5;Si≤1.00;P≤0.030;Cu≤0.5;S≤0.010;余量为Fe和不可避免的杂质。本发明中的钒、钛元素细化晶粒及形成稳定碳化物的倾向很强,可显著提高铸铁的强度、硬度和耐 |
Author | HUANG YUHONG CAI HENGZHONG CHEN XIAOGANG ZHOU HEMIN LYU HUAMIN KE XUELI |
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DocumentTitleAlternate | 种海砂矿与红土镍矿生产钒钛镍铬合金钢材的方法 |
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Notes | Application Number: CN20171258704 |
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Snippet | The invention discloses a method for producing vanadium, titanium, nickel and chrome alloy steel by using marine placer and laterite nickel ore. The alloy... |
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SubjectTerms | ALLOYS CHANGING THE PHYSICAL STRUCTURE OF NON-FERROUS METALS ANDNON-FERROUS ALLOYS CHEMISTRY FERROUS OR NON-FERROUS ALLOYS MANUFACTURE OF IRON OR STEEL METALLURGY METALLURGY OF IRON TREATMENT OF ALLOYS OR NON-FERROUS METALS |
Title | Method for producing vanadium, titanium, nickel and chrome alloy steel by using marine placer and laterite nickel ore |
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