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Heat-resistant and corrosion-resistant weld metal alloy and welded structure
Heat-resistant and corrosion-resistant weld metal alloy and welded structure
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机译：耐热耐腐蚀的焊接金属合金及其焊接结构
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摘要
A heat-resistant and corrosion-resistant weld metal alloy consisting essentially of, by weight, less than 0.08% of C, 0.1 to 1.0% of Si, 2 to 3% of Mn, 32 to 42% of Ni, 21 to 25% of Cr, 0.8 to 1.7% of Mo, 0.1 to 1.0% of Nb, up to 0.5% of Ti, up to 2% of Co, up to 2% of Cu, up to 1% of W, up to 0.2% of N, up to 1.0% of V, up to 1.0% of Zr, up to 1.0% of Ta and the balance Fe, wherein the following conditions are met Ti+Zr≦1.0%, Ni+Co≦42%, W+V≦1.0%, Nb+Ta≦1.0%, and 4≦Nb/C≦15; and an austenitic welded structure composed of an austenitic structural alloy and of a weld metal of the above-mentioned kind are provided by the invention.
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机译：一种耐热且耐腐蚀的焊接金属合金，按重量计主要由少于0.08％的C，0.1％至1.0％的Si，2-3％的Mn，32％至42％的Ni，21％至25％组成Cr的含量，Mo的0.8％至1.7％，Nb的0.1％至1.0％，Ti的最高0.5％，Co的最高2％，Cu的最高2％，W的最高1％，W的最高0.2％ N，V的最高达1.0％，Zr的最高达1.0％，Ta的最高达1.0％，其余部分为Fe，其中满足以下条件Ti +Zr≤1.0％，Ni +Co≤42％，W + V ≤1.0％，Nb +Ta≤1.0％，且4≤Nb/C≤15;本发明提供了一种由奥氏体结构合金和上述焊接金属构成的奥氏体焊接结构。
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