Standard No.:	YB/T 139-2024
English Name:	Composite cast steel back-up roll
Chinese Name:	复合铸钢支承辊
Professional Classification:	YB    Professional Standard - Metallurgy
Source Content Issued by:	Ministry of Industry and Information Technology
Issued on:	2024-4-10
Implemented on:	2024-10-1
Status:	valid
Superseding:	YB/T 139-1998 Non-water alumina-silicate refractory mortar
Target Language:	English
File Format:	PDF

本文件规定了复合铸钢支承辊的技术要求、试验方法、检验规则、标识、包装和质量证书。 本文件适用于板、带轧机及平整机使用的复合铸钢支承辊。薄板坯连铸连轧和超薄带轧机使用的复合铸钢支承辊亦可参照使用。