用于炼钢的焦炭的各项指标

【专家解说】：炼钢的焦炭的各项指标 ...........>40............. >25 ....................25-40 灰分Ad/% Ⅰ...............不大于12.00 Ⅱ.........................12.01-13.50 Ⅲ.........................13.51-15.00 硫分St,d/% Ⅰ..............不大于0.060 Ⅱ.........................0.61-0.80 Ⅲ ........................0.81-1.00 机械强度 抗碎强度 M25/% Ⅰ............大于92.0 Ⅱ.................92.0-88.1.....................按供需双方协议 Ⅲ .................88.0-83.0 耐抹强度Ⅰ..........不大于7.0 M10/% ..Ⅱ...........8.5.........................按供需双方协议 ........Ⅲ ..........10.5 挥发分Vdaf/%..................不大于 1.9 水分含量Mt/% 4.0±1.0 ........5.0±2.0 ...........不大于12.0 焦末含量/% 不大于 4.0 ...........5.0................. 12.0 注:水分只作为生产操作中控制技术,不作质量考核依据