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<P STYLE="margin: 0">&nbsp;</P>

<P STYLE="margin: 0"></P>

<!-- Field: Rule-Page --><DIV ALIGN="LEFT" STYLE="margin-top: 1pt; margin-bottom: 1pt"><DIV STYLE="font-size: 0.5pt; border-top: Black 0.5pt solid; border-bottom: Black 0.5pt solid; width: 100%">&nbsp;</DIV></DIV><!-- Field: /Rule-Page -->

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: center"><B>&nbsp;</B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: center"><B>UNITED STATES</B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: center"><B>SECURITIES AND EXCHANGE COMMISSION</B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: center"><B>Washington, D.C. 20549</B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0"><B>&nbsp;</B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: center">-------------------------</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: center"><B>FORM 8-K</B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0"><B>&nbsp;</B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: center"><B>CURRENT REPORT</B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: center"><B>Pursuant to Section 13 OR 15(d) of the Securities
Exchange Act of 1934</B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: center">Date of Report (Date of earliest event reported):
<B><U>&#9; January 26, 2012&#9;</U></B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: center"><B>&nbsp;</B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0 0 6pt; text-align: center"><B>NUCOR CORPORATION</B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: center">(Exact name of registrant as specified in its
charter)</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0">&nbsp;</P>

<P STYLE="font: bold 10pt Times New Roman, Times, Serif; margin: 0 0 6pt; text-align: center">Delaware</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: center; text-indent: 0.5in">(State or other jurisdiction
of incorporation)</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: center">&nbsp;</P>

<TABLE ALIGN="CENTER" CELLSPACING="0" CELLPADDING="0" STYLE="width: 100%; border-collapse: collapse; font: 10pt Times New Roman, Times, Serif">
<TR STYLE="vertical-align: top">
    <TD STYLE="width: 32%; padding-right: 5.4pt; padding-left: 5.4pt; font-weight: bold; text-align: center">1-4119</TD>
    <TD STYLE="width: 28%; padding-right: 5.4pt; padding-left: 5.4pt; font-weight: bold; text-align: center">&nbsp;</TD>
    <TD STYLE="width: 40%; padding-right: 5.4pt; padding-left: 5.4pt; font-weight: bold; text-align: center">13-1860817</TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; text-align: center">&nbsp;</TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; text-align: center">&nbsp;</TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; text-align: center">&nbsp;</TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; text-align: center">(Commission File Number)</TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; text-align: center">&nbsp;</TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; text-align: center">(IRS Employer Identification No.)</TD></TR>
</TABLE>
<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0">&nbsp;</P>

<TABLE ALIGN="CENTER" CELLSPACING="0" CELLPADDING="0" STYLE="width: 100%; border-collapse: collapse; font: 10pt Times New Roman, Times, Serif">
<TR STYLE="vertical-align: top">
    <TD STYLE="width: 72%; padding-right: 5.4pt; padding-left: 5.4pt; font-weight: bold">1915 Rexford Road, Charlotte, North Carolina</TD>
    <TD STYLE="width: 5%; padding-right: 5.4pt; padding-left: 5.4pt; font-weight: bold">&nbsp;</TD>
    <TD STYLE="width: 23%; padding-right: 5.4pt; padding-left: 5.4pt; font-weight: bold; text-align: center">28211</TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">&nbsp;</TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">&nbsp;</TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">&nbsp;</TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">(Address of principal executive offices)</TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">&nbsp;</TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; text-align: center">(Zip Code)</TD></TR>
</TABLE>
<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: center">Registrant's telephone number, including area
code: (<B>704) 366-7000</B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: center"><B>N/A</B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: center">(Former name or former address, if changed since
last report.)</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: center">-------------------------</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0">Check the appropriate box below if the Form 8-K filing is intended
to simultaneously satisfy the filing obligation of the registrant under any of the following provisions:</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0 0 0 0.75in; text-indent: -0.5in"><FONT STYLE="font-family: Wingdings; letter-spacing: -0.15pt">o</FONT><FONT STYLE="font: 10pt Times New Roman, Times, Serif">&nbsp;&nbsp;&nbsp;
</FONT>Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0 0 0 0.75in; text-indent: -0.5in"><FONT STYLE="font-family: Wingdings">o</FONT><FONT STYLE="font: 10pt Times New Roman, Times, Serif">&nbsp;&nbsp;&nbsp;
</FONT><FONT STYLE="letter-spacing: -0.15pt">Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)</FONT></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0 0 0 0.75in; text-indent: -0.5in"><FONT STYLE="font-family: Wingdings">o</FONT><FONT STYLE="font: 10pt Times New Roman, Times, Serif">&nbsp;&nbsp;&nbsp;
</FONT><FONT STYLE="letter-spacing: -0.15pt">Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17
CFR 240.14d-2(b))</FONT></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0 0 0 0.75in; text-indent: -0.5in"><FONT STYLE="font-family: Wingdings">o</FONT><FONT STYLE="font: 10pt Times New Roman, Times, Serif">&nbsp;&nbsp;&nbsp;
</FONT><FONT STYLE="letter-spacing: -0.15pt">Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17
CFR 240.13e-4(c))</FONT></P>

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<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0"><B>Item 2.02&#9;Results of Operations and Financial Condition</B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 27pt">&#9;On January 26, 2012, Nucor Corporation issued
a news release reporting its financial results for the year ended December 31, 2011. A copy of the news release is furnished as
Exhibit 99.1 and incorporated herein by reference.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 27pt">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in">The information contained in this Current Report
on Form 8-K, including the exhibit attached hereto, is being furnished and shall not be deemed to be &ldquo;filed&rdquo; for the
purposes of Section 18 of the Securities and Exchange Act of 1934, as amended, or otherwise subject to the liabilities of that
Section. Furthermore, the information contained in this Current Report on Form 8-K shall not be deemed to be incorporated by reference
into any registration statement or other document filed pursuant to the Securities Act of 1933, as amended.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 27pt">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0"><B>Item 9.01&#9;Financial Statements and Exhibits</B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0 0 0 0.5in">(d)&#9;Exhibits</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0 0 0 1in">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0 0 0 1in">99.1&#9;News Release of Nucor Corporation, issued January
26, 2012</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: center"><B>SIGNATURES</B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify; text-indent: 0.5in">Pursuant to the requirements
of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned
hereunto duly authorized.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0"><P STYLE="font: 10pt Times New Roman, Times, Serif; text-align: left; text-indent: 0; margin-top: 0pt; margin-bottom: 6pt">&nbsp;</P>

<TABLE BORDER="0" CELLSPACING="0" CELLPADDING="0" STYLE="width: 100%; font: 10pt Times New Roman, Times, Serif">
<TR>
    <TD STYLE="vertical-align: top">&nbsp;</TD>
    <TD COLSPAN="2">NUCOR CORPORATION</TD></TR>
<TR>
    <TD STYLE="vertical-align: top">&nbsp;</TD>
    <TD COLSPAN="2">&nbsp;</TD></TR>
<TR>
    <TD STYLE="vertical-align: top; width: 50%">&nbsp;</TD>
    <TD STYLE="width: 4%">By:&nbsp;</TD>
    <TD STYLE="vertical-align: top; width: 46%">/s/ James D. Frias</TD></TR>
<TR>
    <TD STYLE="vertical-align: top">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD STYLE="vertical-align: top; border-top: #000000 1px solid">James D. Frias<BR>Chief Financial Officer, Treasurer<BR>
and Executive Vice
President</TD></TR>
</TABLE>

<P STYLE="font: 10pt Times New Roman, Times, Serif; text-align: left; text-indent: 0pt; margin-top: 0pt; margin-bottom: 6pt">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; text-align: left; text-indent: 0pt; margin-top: 0pt; margin-bottom: 6pt">Date:&nbsp;&nbsp;January 26, 2012</P>



</P>

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<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: center"><B>INDEX TO EXHIBITS</B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: center">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: center">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: center"></P>

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    <TD STYLE="width: 12%; padding-right: 5.4pt; padding-left: 0pt; font-weight: bold; text-decoration: underline">Exhibit No.</TD>
    <TD STYLE="width: 88%; padding-right: 5.4pt; padding-left: 0pt; font-weight: bold; text-decoration: underline">Description</TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">&nbsp;</TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">&nbsp;</TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="padding-right: 5.4pt; text-indent: 0in">99.1</TD>
    <TD STYLE="padding-right: 5.4pt; text-indent: 0in">News Release of Nucor Corporation, issued January 26, 2012</TD></TR>
</TABLE>


<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: center"></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin-top: 0; margin-bottom: 0; text-align: left">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin-top: 0; margin-bottom: 0; text-align: left"></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin-top: 0; margin-bottom: 0; text-align: left">&nbsp;</P>

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{"company-data": {"conformed-name": "NUCOR CORP", "cik": "0000073309", "assigned-sic": "3312", "irs-number": "131860817", "state-of-incorporation": "DE", "fiscal-year-end": "1231"}, "filing-values": {"form-type": "8-K", "act": "34", "file-number": "001-04119", "film-number": "12546195"}, "business-address": {"street1": "1915 REXFORD RD", "city": "CHARLOTTE", "state": "NC", "zip": "28211", "phone": "7043667000"}, "mail-address": {"street1": "1915 REXFORD ROAD", "city": "CHARLOTTE", "state": "NC", "zip": "28211"}, "former-company": [{"former-conformed-name": "NUCLEAR CORP OF AMERICA INC", "date-changed": "19680911"}, {"former-conformed-name": "AZTEC MECHANICAL CONTRACTORS INC", "date-changed": "19660629"}]}
UNITED STATES
SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549
-------------------------
FORM 8-K
CURRENT REPORT
Pursuant to Section 13 OR 15(d) of the Securities
Exchange Act of 1934
Date of Report (Date of earliest event reported):
January 26, 2012
NUCOR CORPORATION
(Exact name of registrant as specified in its
charter)
Delaware
(State or other jurisdiction
of incorporation)
1-4119
13-1860817
(Commission File Number)
(IRS Employer Identification No.)
1915 Rexford Road, Charlotte, North Carolina
28211
(Address of principal executive offices)
(Zip Code)
Registrant's telephone number, including area
code: (
704) 366-7000
N/A
(Former name or former address, if changed since
last report.)
-------------------------
Check the appropriate box below if the Form 8-K filing is intended
to simultaneously satisfy the filing obligation of the registrant under any of the following provisions:
o
Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)
o
Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)
o
Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17
CFR 240.14d-2(b))
o
Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17
CFR 240.13e-4(c))
Item 2.02	Results of Operations and Financial Condition
On January 26, 2012, Nucor Corporation issued
a news release reporting its financial results for the year ended December 31, 2011. A copy of the news release is furnished as
Exhibit 99.1 and incorporated herein by reference.
The information contained in this Current Report
on Form 8-K, including the exhibit attached hereto, is being furnished and shall not be deemed to be "filed" for the
purposes of Section 18 of the Securities and Exchange Act of 1934, as amended, or otherwise subject to the liabilities of that
Section. Furthermore, the information contained in this Current Report on Form 8-K shall not be deemed to be incorporated by reference
into any registration statement or other document filed pursuant to the Securities Act of 1933, as amended.
Item 9.01	Financial Statements and Exhibits
(d)	Exhibits
99.1	News Release of Nucor Corporation, issued January
26, 2012
SIGNATURES
Pursuant to the requirements
of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned
hereunto duly authorized.
NUCOR CORPORATION
By:
/s/ James D. Frias
James D. Frias
Chief Financial Officer, Treasurer
and Executive Vice
President
Date:  January 26, 2012
2
INDEX TO EXHIBITS
Exhibit No.
Description
99.1
News Release of Nucor Corporation, issued January 26, 2012
3