GB/T 44148.2-2024
ActiveSteel forgings and rolled or forged bars for pressure equipments—Part 2: Low-alloy and alloy(Mo,Cr and CrMo) steels with specified elevated temperature properties
承压设备用钢锻件、轧制或锻制钢棒 第2部分:规定高温性能的低合金及合金(钼、铬和铬钼)钢
承压设备用钢锻件、轧制或锻制钢棒 第2部分:规定高温性能的低合金及合金(钼、铬和铬钼)钢