DIN EN 10276-1:2000 铁素体材料的化学分析.钢铁中氧含量的测定.第1部分:氧测定用钢样品的取样和制备
Chemical analysis of ferrous materials - Determination of oxygen in steel and iron - Part 1: Sampling and preparation of steel samples for oxygen determination; German version EN 10276-1:2000