Standard No.:	YS/T 63.25-2012
English Name:	Carbonaceous materials used in the production of aluminiumPart 25：Cathode blocks — Determination of expansion due to sodium penetration without application of pressure
Chinese Name:	铝用炭素材料检测方法 第25部分：无压下底部炭块钠膨胀率的测定
Chinese Classification:	Q52    Carbon material
Professional Classification:	YS    Professional Standard - Non-ferrous Metal
ICS Classification:	71.100.10 71.100.10    Materials for aluminium production 71.100.10
Source Content Issued by:	MIIT
Issued on:	2012-5-24
Implemented on:	2012-11-1
Status:	valid
Target Language:	English
File Format:	PDF
Word Count:	4000 words
Translation Price(USD):	120.0
Delivery:	via email in 1~3 business day

本标准规定了铝用阴极炭块由于钠渗透引起的线性膨胀率（即钠膨胀率）的测定方法。
本标准适用于测定铝用阴极炭块由于钠渗透引起的线性膨胀率（即钠膨胀率），线性膨胀率还取决于取样方向的各向异性。