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首页> 外国专利> High-strength heat-resistant steel, process for producing high-strength heat-resistant steel, and process for producing high-strength heat-resistant pipe

High-strength heat-resistant steel, process for producing high-strength heat-resistant steel, and process for producing high-strength heat-resistant pipe

机译：高强度耐热钢，高强度耐热钢的制造方法以及高强度耐热管的制造方法

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摘要

An object is to provide a heat-resistant steel which can be produced at a low cost but possesses an excellent high-temperature strength. A high-strength heat-resistant steel is provided which comprises C in an amount of 0.06 to 0.15% by weight, Si in an amount of 1.5% by weight or less, Mn in an amount of 0.5 to 1.5% by weight, V in an amount of 0.05 to 0.3% by weight, and at least one of Nb, Ti, Ta, Hf, and Zr, in an amount of 0.01 to 0.1% by weight, the balance being Fe and unavoidable impurities, wherein the high-strength heat-resistant steel has a structure consisting mainly of a bainite structure.
机译：一个目的是提供一种可以低成本生产但具有优异的高温强度的耐热钢。提供了一种高强度耐热钢，其包含0.06至0.15重量％的C，1.5重量％以下的Si，0.5至1.5重量％的Mn，V in。含量为0.05至0.3％（重量），Nb，Ti，Ta，Hf和Zr中的至少一种含量为0.01至0.1％（重量），其余为铁和不可避免的杂质，其中高强度耐热钢具有主要由贝氏体组织组成的组织。

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