EDGAR Filing Documents for 0001144204-06-014523

Form F-6EF - Registration of American Depository Receipt shares, immediately effective:

SEC Accession No. 0001144204-06-014523

Filing Date

2006-04-10

Accepted

2006-04-10 12:28:15

Documents

Effectiveness Date

2006-04-10

Document Format Files

Seq	Description	Document	Type	Size
1		v040131_f6ef.htm	F-6EF	97859
2		v040131_ex99a2.htm	EX-99.(A)(2)	104699
3		v040131_ex99d.htm	EX-99.(D)	11242
4		v040131_ex99e.htm	EX-99.(E)	5944
	Complete submission text file	0001144204-06-014523.txt		221106

Mailing Address 23 AVENUE MONTEREY LUXEMBOURG N4 L 2086

Business Address 420 FIFTH AVENUE 18TH FLOOR NEW YORK NY 10018 212-376-6500

TENARIS SA (Filer) CIK: 0001190723 (see all company filings)

IRS No.: 000000000
Type: F-6EF | Act: 33 | File No.: 333-133159 | Film No.: 06750121
SIC: 3312 Steel Works, Blast Furnaces & Rolling Mills (Coke Ovens)