Wachtell, Lipton, Rosen & Katz
MARTIN LIPTON HERBERT M. WACHTELL BERNARD W. NUSSBAUM LAWRENCE B. PEDOWITZ PAUL VIZCARRONDO, JR. PETER C. HEIN HAROLD S. NOVIKOFF MEYER G. KOPLOW THEODORE N. MIRVIS EDWARD D. HERLIHY DANIEL A. NEFF ERIC M. ROTH ANDREW R. BROWNSTEIN MICHAEL H. BYOWITZ PAUL K. ROWE MARC WOLINSKY DAVID GRUENSTEIN STEPHEN G. GELLMAN STEVEN A. ROSENBLUM STEPHANIE J. SELIGMAN	JOHN F. SAVARESE SCOTT K. CHARLES DAVID S. NEILL JODI J. SCHWARTZ ADAM O. EMMERICH GEORGE T. CONWAY III RALPH M. LEVENE RICHARD G. MASON MICHAEL J. SEGAL DAVID M. SILK ROBIN PANOVKA DAVID A. KATZ ILENE KNABLE GOTTS DAVID M. MURPHY JEFFREY M. WINTNER TREVOR S. NORWITZ BEN M. GERMANA ANDREW J. NUSSBAUM RACHELLE SILVERBERG STEVEN A. COHEN	51 WEST 52ND STREET		DEBORAH L. PAUL DAVID C. KARP RICHARD K. KIM JOSHUA R. CAMMAKER MARK GORDON JOSEPH D. LARSON LAWRENCE S. MAKOW JEANNEMARIE O’BRIEN WAYNE M. CARLIN STEPHEN R. DiPRIMA NICHOLAS G. DEMMO IGOR KIRMAN JONATHAN M. MOSES T. EIKO STANGE DAVID A. SCHWARTZ JOHN F. LYNCH WILLIAM SAVITT ERIC M. ROSOF MARTIN J.E. ARMS GREGORY E. OSTLING DAVID B. ANDERS	ADAM J. SHAPIRO NELSON O. FITTS JEREMY L. GOLDSTEIN JOSHUA M. HOLMES DAVID E. SHAPIRO DAMIAN G. DIDDEN ANTE VUCIC IAN BOCZKO MATTHEW M. GUEST DAVID E. KAHAN DAVID K. LAM BENJAMIN M. ROTH JOSHUA A. FELTMAN ELAINE P. GOLIN EMIL A. KLEINHAUS KARESSA L. CAIN RONALD C. CHEN GORDON S. MOODIE DONGJU SONG BRADLEY R. WILSON
		NEW YORK, N.Y. 10019-6150
		TELEPHONE: (212) 403-1000
		FACSIMILE: (212) 403-2000
		GEORGE A. KATZ (1965-1989)
		JAMES H. FOGELSON (1967-1991)
		OF COUNSEL
		WILLIAM T. ALLEN	ROBERT M. MORGENTHAU
		PETER C. CANELLOS	ERIC S. ROBINSON
		DAVID M. EINHORN	PATRICIA A. ROBINSON*
		KENNETH B. FORREST	LEONARD M. ROSEN
		THEODORE GEWERTZ RICHARD D. KATCHER THEODORE A. LEVINE DOUGLAS K. MAYER ROBERT B. MAZUR PHILIP MINDLIN	MICHAEL W. SCHWARTZ ELLIOTT V. STEIN WARREN R. STERN PATRICIA A. VLAHAKIS J. BRYAN WHITWORTH AMY R. WOLF
		* ADMITTED IN THE DISTRICT OF COLUMBIA
		COUNSEL
		DAVID M. ADLERSTEIN	PAULA N. GORDON
		MICHELE J. ALEXANDER	NANCY B. GREENBAUM
		AMANDA K. ALLEXON**	MAURA R. GROSSMAN
		LOUIS J. BARASH	MARK A. KOENIG
		DIANNA CHEN	J. AUSTIN LYONS
		ANDREW J.H. CHEUNG	AMANDA N. PERSAUD
		PAMELA EHRENKRANZ	JEFFREY A. WATIKER
		KATHRYN GETTLES-ATWA
		** ADMITTED IN THE STATE OF ILLINOIS

May 13, 2013

VIA EDGAR AND FEDERAL EXPRESS

Ms. Pamela Long

Division of Corporation Finance

U.S. Securities and Exchange Commission

100 F Street, N.W.

Washington, DC 20549

Re: Constellium Holdco B.V.

Confidential Draft Amendment No. 6 to Registration Statement on Form F-1

Submitted May 10, 2013

File No. 377-00059

Dear Ms. Long:

On behalf of Constellium Holdco B.V., a company incorporated in the Netherlands that will be renamed Constellium N.V. (the “Company” and, together with its subsidiaries, “Constellium”), we advise the Staff of the Division of Corporation Finance (the “Staff”) of the U.S. Securities and Exchange Commission (the “Commission”) that the Company is confidentially submitting today a further amendment to its draft Registration Statement on Form F-1 (“Amendment No. 7”). Amendment No. 7 contains additional disclosure in response to comments that the Staff verbally conveyed to the Company on May 10, 2013, with respect to the confidential draft Registration Statement referenced above.

We are providing supplementally to the Staff six copies of Amendment No. 7 blacklined to show the changes to the draft Registration Statement Amendment No. 6 that was submitted to you on May 10, 2013.

Ms. Pamela Long

U.S. Securities and Exchange Commission

May 13, 2013

Page 2

*      *       *

If you have any questions, please do not hesitate to contact the undersigned at (212) 403-1128 or Alison M. Zieske at
(212) 403-1107.

Very truly yours,

/s/ Karessa L. Cain

Karessa L. Cain

Enclosure

cc: Jeremy Leach (Constellium Holdco B.V.)

Keith L. Halverstam (Latham & Watkins LLP)