标准摘要
[中文适用范围]： 本文件规定了在加盖坩埚中加热硬煤时测定其膨胀性能的方法。 注："坩埚膨胀数"（CSN）也称为"自由膨胀指数"（FSI）。 [外文原描述]： This document specifies a method for determining the swelling properties of hard coal when heated in a covered crucible. NOTE The "crucible swelling number" (CSN) is also known as the "free swelling index" (FSI).
英文名称Hard coal — Determination of the crucible swelling number