ISO releases two standards on steel  

出　　处：《China Standardization》2025年第1期15-15,共1页中国标准化(英文版)

摘　　要：Two international standards, ISO 6331:2024, Chromium ores and concentrates—Determination of chromium content—Titrimetric method, and ISO 6934-2:2024, Steel for the prestressing of concrete—Part 2:Cold-drawn wire, were officially published, to which Chinese experts have contributed efforts.

关 键 词：STEEL CHROMIUM CONTENT 

分 类 号：TG1[金属学及工艺—金属学]