Sunday, September 11, 2022
Sunday, September 11, 2022
Sunday, September 11, 2022
Sunday, September 11, 2022
Monday, November 13, 2023
Sunday, September 11, 2022
问题:经CAPL处理后的钢带屈服强度一般应小于250N/mm2。...
Friday, September 15, 2023
问题:DRAPL退火炉正常作业时,炉子最小张力为0.75~()T。...
Monday, September 12, 2022
Thursday, August 24, 2023
问题:退化加热过程中炉台气氛实际温度较设定温度允许波动()℃...
Sunday, September 11, 2022
问题:有甲、乙两个工件,甲工件硬度是230HBS,乙工件的硬度是HRC...
Sunday, September 11, 2022
问题:热退火酸洗线在线6辊轧机在轧制过程中喷轧制油对带钢和轧辊实施冷却,在轧机出口设有(),以清除带钢表面残油。...
Tuesday, October 11, 2022
问题:作布氏硬度试验时,当试验条件相同时,其压痕直径越小,材料的硬度越...
Sunday, September 11, 2022
问题:铁碳合金中有铁素体、奥氏体、珠光体、渗碳体、莱氏体等五种基本组织...
Monday, September 12, 2022
问题:退火炉操作工点炉前,必须检查所有()、阀门是否严密可靠。...
Thursday, March 28, 2024
问题:在可见光波长范围,光学显微镜分辨本领的极限为()埃...
Sunday, September 11, 2022
问题:冷轧带钢在罩式炉中进行再结晶退火时,有紧卷退火和松卷退火两种方式。()...
Monday, December 18, 2023
Sunday, September 11, 2022
问题:在选用电热元件材料时,必须考虑炉子的形状和工作状态,以免造成烧坏...
Sunday, September 11, 2022
Sunday, September 11, 2022