Method and system for measuring uniform elongation of pipeline steel
ZHANG HAI, LI SHAOPO, WANG ZHIYONG, DING WENHUA, LI ZHANJUN, LI QUN, MA CHANGWEN
Year of Publication 31.12.2019
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Year of Publication 31.12.2019
Patent
Quenched and tempered low yield ratio X60Q pipeline steel and preparation method
ZHANG HAI, CHEN XIA, LI SHAOPO, DING WENHUA, WANG WEIHUA, MA CHANGWEN, HAO NING
Year of Publication 01.01.2019
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Year of Publication 01.01.2019
Patent
Rear earth alloying method for avoiding continuous casting water gap scaffolding
ZHANG HAI, CHU RENSHENG, LI SHAOPO, DING WENHUA, LI ZHANJUN, LIU JINGANG, MA CHANGWEN, HAO NING
Year of Publication 29.11.2019
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Year of Publication 29.11.2019
Patent
Method for reducing transverse-longitudinal strength difference of medium-thickness plate pipeline steel
ZHANG HAI, LI SHAOPO, DING WENHUA, LI ZHANJUN, MA CHANGWEN, LI QUN, BAI XUEJUN
Year of Publication 18.10.2019
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Year of Publication 18.10.2019
Patent
X65 hot-rolled steel plate for marine riser and preparation method of steel plate
ZHANG HAI, LI SHAOPO, DING WENHUA, LI ZHANJUN, LI QUN, MA CHANGWEN, BAI XUEJUN
Year of Publication 09.08.2019
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Year of Publication 09.08.2019
Patent
Water supply control method for water-turbine generator set technique
PU ENREN, DING WENHUA, XIONG LIANG, LIU RUNBING, CAI CHUO, YAN HONGJUN
Year of Publication 21.07.2017
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Year of Publication 21.07.2017
Patent
High strength ductile steel plate for pipe fitting in service at extremely low temperature environment and manufacturing method of high strength ductile steel plate
ZHANG HAI, LIU JIANMING, LI SHAOPO, LIU YINGFEN, DING WENHUA, WANG XUESONG, LI QUN, MA CHANGWEN
Year of Publication 16.04.2019
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Year of Publication 16.04.2019
Patent