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Note 36 - Closure of Prudential Steel LTD	12 Months Ended
	Dec. 31, 2020
Prudential Steel Limited [Member]
Disclosure of information about unconsolidated structured entities controlled by investment entity [line items]
Note 36 - Closure of Prudential Steel LTD	36 Closure of Prudential Steel LTD Tenaris’s facility of Prudential Steel LTD, located in Calgary, Alberta, has been closed down and the pipe manufacturing operations of seamless, welded and premium products in Canada will be consolidated at Algoma Tubes Inc. in Sault Ste. Marie, Ontario with an additional investment of $72 million. This repositioning of the industrial activities, which will be completed by November 2021, will strengthen the competitiveness and increase the domestic production capabilities for the Canadian market.

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- Definition

The disclosure of information about unconsolidated structured entities controlled by an investment entity. [Refer: Disclosure of investment entities [text block]; Unconsolidated structured entities [member]]

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IFRS
-Number 12
-IssueDate 2019-01-01
-Paragraph 19F
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-URIDate 2019-03-27

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- Definition

Line items represent concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes of the table.

+ References

No definition available.

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