NI-FREE MICRO-ALLOYED HIGH-STRENGTH STEEL WITH ULTRA-LOW TEMPERATURE TOUGHNESS, AND PREPARATION METHOD THEREOF

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United States of America

APP PUB NO 20250043375A1
SERIAL NO

18436033

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Abstract

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A Ni-free micro-alloyed high-strength steel with ultra-low temperature toughness and a preparation method thereof are provided. The micro-alloyed high-strength steel includes the following chemical components by mass percentage: 0.011% to 0.099% of C, 0.051% to 0.24% of Si, 1.21% to 1.49% of Mn, 0.030% to 0.059% of Nb, 0.009% to 0.016% of Ti, 0.001% to 0.018% of Zr, 0.001% to 0.018% of rare earth (RE), and the balance of Fe and inevitable impurities. The mass percentage also meet the following formulas: 0.21%

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Patent Owner(s)

Patent OwnerAddress
WUHAN UNIVERSITY OF SCIENCE AND TECHNOLOGY430081 NO 947 HEPING AVENUE QINGSHAN DISTRICT HUBEI WUHAN WUHAN CITY HUBEI PROVINCE 430081
WUKE XINCAI (WUHAN) TECHNOLOGY CO LTDNO 168 1ST FLOOR BLOCK A BUILDING 9 GUANGGU ENTREPRENEURSHIP STREET EAST LAKE HIGH-TECH DEVELOPMENT ZONE HUBEI WUHAN 430074
SINO-ENERGY HUAYUAN FLOATING WIND INSTITUTENO 1 RONGDE COAST XUEJIADAO STREET HUANGDAO DISTRICT SHANDONG QINGDAO 266520
WUKE COMPOSITE MATERIALS (HAIKOU) TECHNOLOGY CO LTDROOM A28-34 5TH FLOOR BUILDING A ENTREPRENEURSHIP INCUBATION CENTER NO 266 NANHAI AVENUE NATIONAL HIGH-TECH INDUSTRIAL DEVELOPMENT ZONE HAINAN HAIKOU 570100

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
WU, Kaiming Wuhan, CN 8 0
XIANG, Shaoguan Wuhan, CN 4 0

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