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Title:
SUPER-THICK-GAUGE HOT ROLLED H-BEAM AND PRODUCTION METHOD THEREFOR
Document Type and Number:
WIPO Patent Application WO/2022/095761
Kind Code:
A1
Abstract:
Disclosed in the present invention are a super-thick-gauge hot rolled H-beam and a production method therefor, the chemical components thereof comprising in mass percentage: C: 0.04-0.11, Si: 0.10-0.40, Mn: 0.40-1.00, Cr: 0.40-1.00, Cu: 0.10-0.40, Nb: 0.020-0.060, V: 0.040-0.100, Ti: 0.010-0.025, Al: 0.010-0.030, N: 0.0060-0.0120, P: ≤0.015, S: ≤0.005, O: ≤0.0060, 0.090%≤Nb+V+Ti≤0.170%, 6.5≤(V+Ti)/N≤10.5, the remainder being Fe and trace residual elements, 0.30%≤CEV≤0.48%; the present invention has a flange thickness of 90 mm to 150 mm and excellent comprehensive mechanical properties, and can well satisfy the requirements of heavy supporting structural parts of high-rise buildings, large squares, and bridge structures.

Inventors:
XIA MENG (CN)
WU BAOQIAO (CN)
WU MEIZHUANG (CN)
XING JUN (CN)
WANG JIE (CN)
CHEN HUI (CN)
YAN JINGCHENG (CN)
HUANG QI (CN)
PENG LIN (CN)
HE JUNWEI (CN)
DING ZHAOHUI (CN)
SHEN QIANCHENG (CN)
Application Number:
PCT/CN2021/126546
Publication Date:
May 12, 2022
Filing Date:
October 27, 2021
Export Citation:
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Assignee:
MAANSHAN IRON&STEEL CO LTD (CN)
International Classes:
B21B1/088; C22C38/02; B21B37/74; B21B37/76; C21D6/00; C21D8/00; C22C38/04; C22C38/06; C22C38/42; C22C38/46; C22C38/48; C22C38/50
Foreign References:
CN112458364A2021-03-09
CN104487604A2015-04-01
CN110291218A2019-09-27
JPH1060576A1998-03-03
JP2016084524A2016-05-19
Attorney, Agent or Firm:
WEN PARTNERS, P.C. (CN)
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