<DOCUMENT>
<TYPE>EX-24
<SEQUENCE>2
<FILENAME>doc1.txt
<DESCRIPTION>POWER OF ATTORNEY (PUBLIC): POWER OF ATTORNEY
<TEXT>
LIMITED POWER OF ATTORNEY

The undersigned, being an executive officer of MRC Global Inc.
(the ?Corporation?), who will thereby be subject to the
reporting obligations of Section 16 of the Securities Exchange
Act of 1934, as amended (the ?Act?), with respect to securities
of the Corporation, hereby constitutes and appoints, with
full power of substitution or revocation, each of Daniel J.
Churay and Jeffrey P. Bennett, or such attorney-in-fact?s
substitute or substitutes, as the undersigned?s true and
lawful attorneys-in-fact and agents to execute and file for
and on behalf of the undersigned Forms 3, 4 and 5 with the
Securities and Exchange Commission (the ?SEC?), and to
perform all acts necessary in order to execute and file such
Forms 3, 4 and 5, as he or she, as applicable, shall deem
appropriate. The undersigned hereby ratifies and confirms all
that said attorneys-in-fact and agents, or such
attorney-in-fact?s substitute or substitutes, shall do or
cause to be done by virtue hereof.

The undersigned acknowledges that the foregoing
attorneys-in-fact, in serving in such capacity at the request
of the undersigned, or such attorney-in-fact?s substitute or
substitutes, are not assuming, nor is the Corporation
assuming, any of the undersigned?s responsibilities to comply
with Section 16 of the Act.  This Limited Power of Attorney
shall remain in full force and effect until the undersigned
is no longer required to file Forms 4 and 5 with respect to
the undersigned?s holdings of and transactions in securities
issued by the Corporation, unless earlier revoked by the
undersigned in a signed writing delivered to the foregoing
attorneys-in-fact.

This Limited Power of Attorney is effective as of
September 1, 2014, and any previous power of attorney issued
by the undersigned for the purpose of executing and filing
Forms 3, 4 and 5 with the SEC with respect to holdings of
and transactions in securities issued by the Corporation is
hereby revoked (without affecting the effectiveness of any
such power of attorney prior to the date hereof).


/s/ Scott A. Hutchinson		/s/ James E. Dionisio
Scott A. Hutchinson		James E. Dionisio


</TEXT>
</DOCUMENT>
