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STEAM TURBINE LONG BLADE AND LOW STEAM TURBINE HAVING THE SAME
STEAM TURBINE LONG BLADE AND LOW STEAM TURBINE HAVING THE SAME
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机译：汽轮机长叶片和低汽轮机具有相同的功能
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摘要
PROBLEM TO BE SOLVED: To provide a log blade of a steam turbine capable of being manufactured at low cost without damaging strength, toughness and corrosion resistance, and to provide a steam turbine having the same.;SOLUTION: The steam turbine long blade contains, by mass%, C:0.055% or less, Si:1%% or less, Mn:0.5%% or less, Ni:3.8% to 4.5%, Cr:15% to 16%, Nb:0.15% to 0.35%, Cu:3% to 3.7%, Al:0.05%% or less, N:0.05%% or less and the balance Fe with inevitable impurities and is constituted by a stainless steel having -3.3 or less of a Cr equivalent defined by the formula (1):Cr+6Si+4Mo+1.5 W+11 V+5 Nb+2.5Ta-40C-2Mn-4 Ni-2Co-30 N-Cu.;COPYRIGHT: (C)2015,JPO&INPIT
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机译：解决的问题：提供一种能够以低成本制造而又不损害强度，韧性和耐腐蚀性的蒸汽轮机的原木叶片，并提供一种具有该原木叶片的汽轮机。质量％，C：0.055％以下，Si：1％以下，Mn：0.5％以下，Ni：3.8％〜4.5％，Cr：15％〜16％，Nb：0.15％〜0.35％ ，Cu：3％〜3.7％，Al：0.05％以下，N：0.05 ％％以下，余量的Fe具有不可避免的杂质，由Cr含量为-3.3以下的不锈钢构成。式（1）：Cr + 6Si + 4Mo + 1.5 W + 11 V + 5 Nb + 2.5Ta-40C-2Mn-4 Ni-2Co-30 N-Cu .;版权：（C）2015，日本特许会计师事务所
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