阀体和内件由高温合金钢制造，其特点是高温下耐磨和阀体寿命长。
The valve body and internals are made from high-temperature alloy which features high-temperature abrasion resistance and long service life.
齿轮材料选用高级低碳合金钢，使用自动化高温渗碳淬火处理。
Top low carbon alloy steel as gear material, adapting automatic carburizing and quenching heat treatment.
通过试验，制备出适用于在高温状态下，阻止镍铬合金钢钢坯氧化的涂料。
Anti oxidation coating created is applicable to prevent oxidation of Ni Cr alloy steel blank at high temperature.
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