日本新日铁和住友金属公司提出的锅炉用新材料SAVE12AD(9Cr3W3Co Nd B)进入ASME规范案例的申请已持续2年,该材料的主要特点是持久强度比现有的P92高20%,申请材料提交的数据包括:化学成分、单轴拉伸性能、冲击性能、硬度、热处理要求、焊接接头性能和室温~700℃温度范围内材料的线性膨胀量、热膨胀系数、弹性模量、泊松比、密度、高温拉伸以及7个温度点18个应力下的持久强度、5个温 Japan’s Nippon Steel and Sumitomo Metal proposed a new boiler material SAVE12AD (9Cr3W3Co Nd B) into the ASME Code Case application has lasted two years, the main features of the material is 20% longer durability than the existing P92, the application materials Data submitted include: chemical composition, uniaxial tensile properties, impact properties, hardness, heat treatment requirements, weld joint properties and linear expansion of the material at room temperature to 700 ° C, thermal expansion coefficient, elastic modulus, Poisson’s ratio, Density, tensile strength at high temperature and long-lasting strength under 18 stress at 7 temperature points, 5 temperature