Steel alloy exhibiting reinforced combination of high temperature strength, oxidation resistance and thermal conductivity and method of making same

A steel alloy having a unique and superior combination of properties such as high temperature strength, oxidation resistance, thermal conductivity and wear resistance. The disclosed embodiments comprise or consist essentially of: from 0.2% by weight to 0.45% by weight of C; 0.6% by weight to 1.1% by weight of Si; mn < = 1.1 wt%; from 2.5% by weight to 4.0% by weight of Cr; mo or W, wherein the total amount of Mo or W is less than or equal to 0.9 wt%; from 0.035% by weight to 0.14% by weight of Ti; 0.18% to 1.1% by weight of V; and the balance of Fe and common impurities. 一种钢合金，其具有独特而优越的如高温强度、抗氧化性、导热性和耐磨性等性能的组合。所公开的实施方式包含以下或基本上由以下组成：0.2重量％～0.45重量％的C；0.6重量％～1.1重量％的Si；≤1.1重量％的Mn；2.5重量％～4.0重量％的Cr；Mo或W中的一种或两种，Mo或W的总量≤0.9重量％；0.035重量％～0.14重量％的Ti；0.18重量％～1.1重量％的V；其余为Fe和常见的杂质。