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Heat resisting steel, steam turbine rotor shaft using the steel, steam turbine, and steam turbine power plant
Heat resisting steel, steam turbine rotor shaft using the steel, steam turbine, and steam turbine power plant
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机译:耐热钢,使用该钢的汽轮机转子轴,汽轮机和汽轮机发电厂
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摘要
The invention provides a heat resisting steel having superior high-temperature strength and notch rupture strength, a rotor shaft using the heat resisting steel, a steam turbine using the rotor shaft, and a power plant using the steam turbine. The heat resisting steel is made of a Cr—Mo—V low-alloy steel containing 0.15-0.40% by weight of C, not more than 0.5% of Si, 0.05-0.50% of Mn, 0.5-1.5% of Ni, 0.8-1.5% of Cr, 0.8-1.8% of Mo and 0.05-0.35% of V, and having a (Ni/Mn) ratio of 3.0-10.0.
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