Home / Standards / GB/T 4335-2013 GB/T 4335-2013 Active Determination of ferrite grain size for cold rolled low carbon steel sheets 低碳钢冷轧薄板铁素体晶粒度测定法 Standard Type GBT ICS 77.040.99 CCS H24 Status 现行 Issue Date 2013-12-17 Implementation 2014-09-01 Responsible Dept 中国钢铁工业协会 Drafting Unit N/A