X80 pipeline steel with good strain-aging performance, pipeline tube and method for producing same

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United States of America Patent

PATENT NO 11053563
APP PUB NO 20180073094A1
SERIAL NO

15559048

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Abstract

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A X80 pipeline steel with good strain-aging performance comprises (wt. %): C: 0.02-0.05%; Mn: 1.30-1.70%; Ni: 0.35-0.60%: Ti: 0.005-0.020%; Nb: 0.06-0.09%; Si: 0.10-0.30%; Al: 0.01-0.04%; N≤0.008%; P≤0.012%; S≤0.006%; Ca: 0.001-0.003%, and balance iron and unavoidable impurities.

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Patent Owner(s)

Patent OwnerAddress
BAOSHAN IRON & STEEL CO LTDSHANGHAI

International Classification(s)

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  • 2015 Application Filing Year
  • C21D Class
  • 776 Applications Filed
  • 539 Patents Issued To-Date
  • 69.46 % Issued To-Date
Click to zoom InYear of Issuance% of Matters IssuedCumulative IssuancesYearly Issuances20152016201720182019202020212022202320240255075100

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Bai, Mingzhuo Shanghai, CN 1 0
Sun, Leilei Shanghai, CN 4 5
Wu, Kougen Shanghai, CN 4 2
Xu, Guodong Shanghai, CN 25 49
Xu, Haisheng Shanghai, CN 12 115
Zheng, Lei Shanghai, CN 153 1088

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  • C21D Class
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Citation count rangeNumber of patents cited in rangeNumber of patents cited in various citation count ranges2345201 - 10020406080100120140160180200220240260

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