首钢京唐钢铁联合有限责任公司对2018年5月到2019年1月间生产的耐火耐候钢SQ460FRW薄板,用伽马射线测厚仪(Thermo-electron)进行了厚度测量,规格分别为6mm、10mm和14mm,各规格都按正公差控制,且最大公差分别为0.22mm、0.18和0.18mm,不超过0.20mm,满足课题任务书的技术要求。
The thickness of SQ460FRW sheet of refractory weathering steel produced from May 2018 to January 2019 by Shougang Jingtang Iron & Steel Joint Co., LTD was measured by Gamma ray thickness gauge (Thermo-electron) with specifications of 6mm, 10mm and 14mm respectively. All specifications were controlled according to positive tolerance. And the maximum tolerance of 0.22mm, 0.18 and 0.18mm, not more than 0.20mm, meet the technical requirements of the task book.