Limiting device for seamless steel pipe production
ZHANG HONGJUN, ZHU LIANG, QI ZEQUAN, ZHU HONGAN, ZOU YINGDONG, HE ZHICONG
Year of Publication 26.08.2022
Get full text
Year of Publication 26.08.2022
Patent
Niobium-containing stainless steel and preparation method thereof
SUN GUOYANG, QI ZEQUAN, LI XU, XU PENG, ZHANG XIULI, ZHOU KAIMING, LI ZAOYU, ZHANG YONGQIANG, DONG XIAOLIANG
Year of Publication 01.08.2023
Get full text
Year of Publication 01.08.2023
Patent
Limiting device for seamless steel pipe production
ZHANG HONGJUN, ZHU LIANG, QI ZEQUAN, ZHU HONG'AN, ZOU YINGDONG, HE ZHICONG
Year of Publication 27.08.2021
Get full text
Year of Publication 27.08.2021
Patent
Guide cylinder device for rolling steel pipe
ZHANG HONGJUN, QI ZEQUAN, SHAO FUAN, ZHU HONGAN, ZOU YINGDONG, HE ZHICONG, LIU YUANSONG
Year of Publication 15.07.2022
Get full text
Year of Publication 15.07.2022
Patent
Steel feeding method for Assel pipe mill
ZHANG HONGJUN, QI ZEQUAN, DU KUN, FEI XINGANG, XING SHENGLIN, MA XIANGJUN, PAN XIANMING
Year of Publication 01.02.2022
Get full text
Year of Publication 01.02.2022
Patent
Guide cylinder device for rolling steel pipe
ZHANG HONGJUN, QI ZEQUAN, ZHU HONG'AN, SHAO FU'AN, ZOU YINGDONG, HE ZHICONG, LIU YUANSONG
Year of Publication 24.08.2021
Get full text
Year of Publication 24.08.2021
Patent