000 - Document - Document And Entity Information link:calculationLink link:definitionLink link:presentationLink 001 - Statement - Consolidated Income Statement link:calculationLink link:definitionLink link:presentationLink 002 - Statement - Consolidated Statement of Comprehensive Income link:calculationLink link:definitionLink link:presentationLink 003 - Statement - Consolidated Statement of Financial Position link:calculationLink link:definitionLink link:presentationLink 004 - Statement - Consolidated Statement of Changes In Equity link:calculationLink link:definitionLink link:presentationLink 005 - Statement - Consolidated Statement of Changes In Equity (Parentheticals) link:calculationLink link:definitionLink link:presentationLink 006 - Statement - Consolidated Statement of Cash Flows link:calculationLink link:definitionLink link:presentationLink 007 - Disclosure - I. General Information link:calculationLink link:definitionLink link:presentationLink 008 - Disclosure - II. Accounting Policies link:calculationLink link:definitionLink link:presentationLink 009 - Disclosure - III. Financial Risk Management link:calculationLink link:definitionLink link:presentationLink 010 - Disclosure - Note 1 - Segment Information link:calculationLink link:definitionLink link:presentationLink 011 - Disclosure - Note 2 - Cost of Sales link:calculationLink link:definitionLink link:presentationLink 012 - Disclosure - Note 3 - Selling, General and Administrative Expenses link:calculationLink link:definitionLink link:presentationLink 013 - Disclosure - Note 4 - Labor Costs - Labor Costs (Included in Cost of Sales and in Selling, General and Administrative Expenses) link:calculationLink link:definitionLink link:presentationLink 014 - Disclosure - Note 5 - Other Operating Income and Expenses link:calculationLink link:definitionLink link:presentationLink 015 - Disclosure - Note 6 - Financial Results link:calculationLink link:definitionLink link:presentationLink 016 - Disclosure - Note 7 - Income Tax link:calculationLink link:definitionLink link:presentationLink 017 - Disclosure - Note 8 - Dividends Distribution link:calculationLink link:definitionLink link:presentationLink 018 - Disclosure - Note 9 - Property, Plant and Equipment, Net link:calculationLink link:definitionLink link:presentationLink 019 - Disclosure - Note 10 - Intangible Assets, Net link:calculationLink link:definitionLink link:presentationLink 020 - Disclosure - Note 11 - Right-of-use Assets, Net and Lease Liabilities link:calculationLink link:definitionLink link:presentationLink 021 - Disclosure - Note 12 - Investments in Non-consolidated Companies link:calculationLink link:definitionLink link:presentationLink 022 - Disclosure - Note 13 - Receivables - Non Current link:calculationLink link:definitionLink link:presentationLink 023 - Disclosure - Note 14 - Inventories, Net link:calculationLink link:definitionLink link:presentationLink 024 - Disclosure - Note 15 - Receivables and Prepayments, Net link:calculationLink link:definitionLink link:presentationLink 025 - Disclosure - Note 16 - Current Tax Assets and Liabilities link:calculationLink link:definitionLink link:presentationLink 026 - Disclosure - Note 17 - Trade Receivables, Net link:calculationLink link:definitionLink link:presentationLink 027 - Disclosure - Note 18 - Cash and Cash Equivalents and Other Investments link:calculationLink link:definitionLink link:presentationLink 028 - Disclosure - Note 19 - Borrowings link:calculationLink link:definitionLink link:presentationLink 029 - Disclosure - Note 20 - Deferred Income Tax link:calculationLink link:definitionLink link:presentationLink 030 - Disclosure - Note 21 - Other Liabilities link:calculationLink link:definitionLink link:presentationLink 031 - Disclosure - Note 22 - Non-current Allowances and Provisions link:calculationLink link:definitionLink link:presentationLink 032 - Disclosure - Note 23 - Current Allowances and Provisions link:calculationLink link:definitionLink link:presentationLink 033 - Disclosure - Note 24 - Derivative Financial Instruments link:calculationLink link:definitionLink link:presentationLink 034 - Disclosure - Note 25 - Contingencies, Commitments and Restrictions On the Distribution of Profits link:calculationLink link:definitionLink link:presentationLink 035 - Disclosure - Note 26 - Agreement to Build a Welded Pipe Plant in West Siberia link:calculationLink link:definitionLink link:presentationLink 036 - Disclosure - Note 27 - Business Combinations link:calculationLink link:definitionLink link:presentationLink 037 - Disclosure - Note 28 - Cash Flow Disclosures link:calculationLink link:definitionLink link:presentationLink 038 - Disclosure - Note 29 - Discontinued Operations link:calculationLink link:definitionLink link:presentationLink 039 - Disclosure - Note 30 - Related Party Transactions link:calculationLink link:definitionLink link:presentationLink 040 - Disclosure - Note 31 - Fees Paid to the Company's Principal Accountant link:calculationLink link:definitionLink link:presentationLink 041 - Disclosure - Note 32 - Principal Subsidiaries link:calculationLink link:definitionLink link:presentationLink 042 - Disclosure - Note 33 - Nationalization of Venezuelan Subsidiaries link:calculationLink link:definitionLink link:presentationLink 043 - Disclosure - Note 34 - Delisting of Tenaris's Shares from the Buenos Aires Stock Exchange link:calculationLink link:definitionLink link:presentationLink 044 - Disclosure - Note 35 - Subsequent Events link:calculationLink link:definitionLink link:presentationLink 045 - Disclosure - Note 36 - Update as of April 29, 2020 link:calculationLink link:definitionLink link:presentationLink 046 - Disclosure - Significant Accounting Policies (Policies) link:calculationLink link:definitionLink link:presentationLink 047 - Disclosure - II. Accounting Policies (Tables) link:calculationLink link:definitionLink link:presentationLink 048 - Disclosure - III. Financial Risk Management (Tables) link:calculationLink link:definitionLink link:presentationLink 049 - Disclosure - Note 1 - Segment Information (Tables) link:calculationLink link:definitionLink link:presentationLink 050 - Disclosure - Note 2 - Cost of Sales (Tables) link:calculationLink link:definitionLink link:presentationLink 051 - Disclosure - Note 3 - Selling, General and Administrative Expenses (Tables) link:calculationLink link:definitionLink link:presentationLink 052 - Disclosure - Note 4 - Labor Costs - Labor Costs (Included in Cost of Sales and in Selling, General and Administrative Expenses) (Tables) link:calculationLink link:definitionLink link:presentationLink 053 - Disclosure - Note 5 - Other Operating Income and Expenses (Tables) link:calculationLink link:definitionLink link:presentationLink 054 - Disclosure - Note 6 - Financial Results (Tables) link:calculationLink link:definitionLink link:presentationLink 055 - Disclosure - Note 7 - Income Tax (Tables) link:calculationLink link:definitionLink link:presentationLink 056 - Disclosure - Note 9 - Property, Plant and Equipment, Net (Tables) link:calculationLink link:definitionLink link:presentationLink 057 - Disclosure - Note 10 - Intangible Assets, Net (Tables) link:calculationLink link:definitionLink link:presentationLink 058 - Disclosure - Note 11 - Right-of-use Assets, Net and Lease Liabilities (Tables) link:calculationLink link:definitionLink link:presentationLink 059 - Disclosure - Note 12 - Investments in Non-consolidated Companies (Tables) link:calculationLink link:definitionLink link:presentationLink 060 - Disclosure - Note 13 - Receivables - Non Current (Tables) link:calculationLink link:definitionLink link:presentationLink 061 - Disclosure - Note 14 - Inventories, Net (Tables) link:calculationLink link:definitionLink link:presentationLink 062 - Disclosure - Note 15 - Receivables and Prepayments, Net (Tables) link:calculationLink link:definitionLink link:presentationLink 063 - Disclosure - Note 16 - Current Tax Assets and Liabilities (Tables) link:calculationLink link:definitionLink link:presentationLink 064 - Disclosure - Note 17 - Trade Receivables, Net (Tables) link:calculationLink link:definitionLink link:presentationLink 065 - Disclosure - Note 18 - Cash and Cash Equivalents and Other Investments (Tables) link:calculationLink link:definitionLink link:presentationLink 066 - Disclosure - Note 19 - Borrowings (Tables) link:calculationLink link:definitionLink link:presentationLink 067 - Disclosure - Note 20 - Deferred Income Tax (Tables) link:calculationLink link:definitionLink link:presentationLink 068 - Disclosure - Note 21 - Other Liabilities (Tables) link:calculationLink link:definitionLink link:presentationLink 069 - Disclosure - Note 22 - Non-current Allowances and Provisions (Tables) link:calculationLink link:definitionLink link:presentationLink 070 - Disclosure - Note 23 - Current Allowances and Provisions (Tables) link:calculationLink link:definitionLink link:presentationLink 071 - Disclosure - Note 24 - Derivative Financial Instruments (Tables) link:calculationLink link:definitionLink link:presentationLink 072 - Disclosure - Note 27 - Business Combinations (Tables) link:calculationLink link:definitionLink link:presentationLink 073 - Disclosure - Note 28 - Cash Flow Disclosures (Tables) link:calculationLink link:definitionLink link:presentationLink 074 - Disclosure - Note 29 - Discontinued Operations (Tables) link:calculationLink link:definitionLink link:presentationLink 075 - Disclosure - Note 30 - Related Party Transactions (Tables) link:calculationLink link:definitionLink link:presentationLink 076 - Disclosure - Note 31 - Fees Paid to the Company's Principal Accountant (Tables) link:calculationLink link:definitionLink link:presentationLink 077 - Disclosure - Note 32 - Principal Subsidiaries (Tables) link:calculationLink link:definitionLink link:presentationLink 078 - Disclosure - Note 36 - Update as of April 29, 2020 (Tables) link:calculationLink link:definitionLink link:presentationLink 079 - Disclosure - II. Accounting Policies (Details Textual) link:calculationLink link:definitionLink link:presentationLink 080 - Disclosure - Accounting Policies - Estimated Useful Lives of Property, Plant and Equipment (Details) link:calculationLink link:definitionLink link:presentationLink 081 - Disclosure - Accounting Policies - Changes in Key Assumptions That Would Cause the Recoverable Amount to Equal the Carrying Value (Details) link:calculationLink link:definitionLink link:presentationLink 082 - Disclosure - III. Financial Risk Management (Details Textual) link:calculationLink link:definitionLink link:presentationLink 083 - Disclosure - Financial Risk Management - Financial Assets and Liabilities Which Impact Profit and Loss (Details) link:calculationLink link:definitionLink link:presentationLink 084 - Disclosure - Financial Risk Management - Proportions of Variable-rate and Fixed-rate Debt (Details) link:calculationLink link:definitionLink link:presentationLink 085 - Disclosure - Financial Risk Management - Financial Instruments and Classification Within the Fair Value Hierarchy (Details) link:calculationLink link:definitionLink link:presentationLink 086 - Disclosure - Financial Risk Management - Changes in Level 3 Assets and Liabilities (Details) link:calculationLink link:definitionLink link:presentationLink 087 - Disclosure - Note 1 - Segment Information (Details Textual) link:calculationLink link:definitionLink link:presentationLink 088 - Disclosure - Note 1 - Segment Information - Reportable Operating Segments (Details) link:calculationLink link:definitionLink link:presentationLink 089 - Disclosure - Note 1 - Segment Information - Geographical Information (Details) link:calculationLink link:definitionLink link:presentationLink 090 - Disclosure - Note 1 - Segment Information - Tubes Segment Revenues By Market (Details) link:calculationLink link:definitionLink link:presentationLink 091 - Disclosure - Note 2 - Cost of Sales - Components of Cost of Sales (Details) link:calculationLink link:definitionLink link:presentationLink 092 - Disclosure - Note 3 - Selling, General and Administrative Expenses - Components of Selling, General and Administrative Expenses (Details) link:calculationLink link:definitionLink link:presentationLink 093 - Disclosure - Note 4 - Labor Costs - Summary of Labor Costs (Included in Cost of Sales and in Selling, General and Administrative Expenses) (Details) link:calculationLink link:definitionLink link:presentationLink 094 - Disclosure - Note 4 - Labor Costs - Labor Costs (Included in Cost of Sales and in Selling, General and Administrative Expenses) - Number of Employees (Details) link:calculationLink link:definitionLink link:presentationLink 095 - Disclosure - Note 5 - Other Operating Income and Expenses - Components of Other Operating Income and Expenses (Details) link:calculationLink link:definitionLink link:presentationLink 096 - Disclosure - Note 6 - Financial Results (Details Textual) link:calculationLink link:definitionLink link:presentationLink 097 - Disclosure - Note 6 - Financial Results - Financial Income (Cost) (Details) link:calculationLink link:definitionLink link:presentationLink 098 - Disclosure - Note 7 - Income Tax (Details Textual) link:calculationLink link:definitionLink link:presentationLink 099 - Disclosure - Note 7 - Income Tax - Summary of Income Tax Expense (Benefit) (Details) link:calculationLink link:definitionLink link:presentationLink 100 - Disclosure - Note 7 - Income Tax - Summary of Differences Between Income Tax and Theoretical Amount Using Tax Rate in Each Country (Details) link:calculationLink link:definitionLink link:presentationLink 101 - Disclosure - Note 8 - Dividends Distribution (Details Textual) link:calculationLink link:definitionLink link:presentationLink 102 - Disclosure - Note 9 - Property, Plant and Equipment, Net (Details Textual) link:calculationLink link:definitionLink link:presentationLink 103 - Disclosure - Note 9 - Property, Plant and Equipment, Net - Components of Property, Plant and Equipment, Net (Details) link:calculationLink link:definitionLink link:presentationLink 104 - Disclosure - Note 10 - Intangible Assets, Net (Details Textual) link:calculationLink link:definitionLink link:presentationLink 105 - Disclosure - Note 10 - Intangible Assets, Net - Intangible Assets and Goodwill (Details) link:calculationLink link:definitionLink link:presentationLink 106 - Disclosure - Note 10 - Intangible Assets, Net - Goodwill Allocated by CGU (Details) link:calculationLink link:definitionLink link:presentationLink 107 - Disclosure - Note 11 - Right-of-use Assets, Net and Lease Liabilities (Details Textual) link:calculationLink link:definitionLink link:presentationLink 108 - Disclosure - Note 11 - Right-of-use Assets, Net and Lease Liabilities - Evolution of Right-of-use Assets (Details) link:calculationLink link:definitionLink link:presentationLink 109 - Disclosure - Note 11 - Right-of-use Assets, Net and Lease Liabilities - Evolution of Lease Liability (Details) link:calculationLink link:definitionLink link:presentationLink 110 - Disclosure - Note 12 - Investments in Non-consolidated Companies (Details Textual) link:calculationLink link:definitionLink link:presentationLink 111 - Disclosure - Note 12 - Investments in Non-consolidated Companies - Summary of Investments in Non-consolidated Companies (Details) link:calculationLink link:definitionLink link:presentationLink 112 - Disclosure - Note 12 - Investments in Non-consolidated Companies - Principal Non-consolidated Companies (Details) link:calculationLink link:definitionLink link:presentationLink 113 - Disclosure - Note 12 - Investments in Non-consolidated Companies - Summary of Selected Financial Information (Details) link:calculationLink link:definitionLink link:presentationLink 114 - Disclosure - Note 13 - Receivables - Non Current - Components of Receivables Non Current (Details) link:calculationLink link:definitionLink link:presentationLink 115 - Disclosure - Note 14 - Inventories, Net - Components of Inventories (Details) link:calculationLink link:definitionLink link:presentationLink 116 - Disclosure - Note 15 - Receivables and Prepayments, Net - Summary of Receivables and Prepayments (Details) link:calculationLink link:definitionLink link:presentationLink 117 - Disclosure - Note 16 - Current Tax Assets and Liabilities - Summary of Current Tax Assets (Details) link:calculationLink link:definitionLink link:presentationLink 118 - Disclosure - Note 16 - Current Tax Assets and Liabilities - Summary of Current Tax Liabilities (Details) link:calculationLink link:definitionLink link:presentationLink 119 - Disclosure - Note 17 - Trade Receivables, Net - Summary of Current Trade Receivables (Details) link:calculationLink link:definitionLink link:presentationLink 120 - Disclosure - Note 17 - Trade Receivables, Net - Summary of the Aging of Trade Receivables (Details) link:calculationLink link:definitionLink link:presentationLink 121 - Disclosure - Note 18 - Cash and Cash Equivalents and Other Investments - Components of Cash and Cash Equivalents and Other Investments (Details) link:calculationLink link:definitionLink link:presentationLink 122 - Disclosure - Note 19 - Borrowings - Non-current and Current Borrowings (Details) link:calculationLink link:definitionLink link:presentationLink 123 - Disclosure - Note 19 - Borrowings - Maturity of Borrowings (Details) link:calculationLink link:definitionLink link:presentationLink 124 - Disclosure - Note 19 - Borrowings - Significant Borrowings as of Closing Date (Details) link:calculationLink link:definitionLink link:presentationLink 125 - Disclosure - Note 19 - Borrowings - Weighted Average Interest Rates of Borrowings (Details) link:calculationLink link:definitionLink link:presentationLink 126 - Disclosure - Note 19 - Borrowings - Borrowings by Currency and Rate (Details) link:calculationLink link:definitionLink link:presentationLink 127 - Disclosure - Note 19 - Borrowings - Borrowings Evolution (Details) link:calculationLink link:definitionLink link:presentationLink 128 - Disclosure - Note 20 - Deferred Income Tax (Details Textual) link:calculationLink link:definitionLink link:presentationLink 129 - Disclosure - Note 20 - Deferred Income Tax - Deferred Tax Assets and Liabilities (Details) link:calculationLink link:definitionLink link:presentationLink 130 - Disclosure - Note 20 - Deferred Income Tax - Recovery Analysis of Deferred Tax Assets and Liabilities (Details) link:calculationLink link:definitionLink link:presentationLink 131 - Disclosure - Note 20 - Deferred Income Tax - Net Deferred Tax Liabilities (Assets) (Details) link:calculationLink link:definitionLink link:presentationLink 132 - Disclosure - Note 21 - Other Liabilities (Details Textual) link:calculationLink link:definitionLink link:presentationLink 133 - Disclosure - Note 21 - Other Liabilities - Other Noncurrent Liabilities (Details) link:calculationLink link:definitionLink link:presentationLink 134 - Disclosure - Note 21 - Other Liabilities - Post-employment Benefits (Details) link:calculationLink link:definitionLink link:presentationLink 135 - Disclosure - Note 21 - Other Liabilities - Actuarial Assumptions (Details) link:calculationLink link:definitionLink link:presentationLink 136 - Disclosure - Note 21 - Other Liabilities - Plan Assets (Details) link:calculationLink link:definitionLink link:presentationLink 137 - Disclosure - Note 21 - Other Liabilities - Other Current Liabilities (Details) link:calculationLink link:definitionLink link:presentationLink 138 - Disclosure - Note 22 - Non-current Allowances and Provisions - Deducted From Non-current Receivables (Details) link:calculationLink link:definitionLink link:presentationLink 139 - Disclosure - Note 22 - Non-current Allowances and Provisions - Liabilities (Details) link:calculationLink link:definitionLink link:presentationLink 140 - Disclosure - Note 23 - Current Allowances and Provisions - Deducted From Assets (Details) link:calculationLink link:definitionLink link:presentationLink 141 - Disclosure - Note 23 - Current Allowances and Provisions - Liabilities (Details) link:calculationLink link:definitionLink link:presentationLink 142 - Disclosure - Note 24 - Derivative Financial Instruments (Details Textual) link:calculationLink link:definitionLink link:presentationLink 143 - Disclosure - Note 24 - Derivative Financial Instruments - Net Fair Values (Details) link:calculationLink link:definitionLink link:presentationLink 144 - Disclosure - Note 24 - Derivative Financial Instruments - Foreign Exchange Derivative Contracts and Hedge Accounting (Details) link:calculationLink link:definitionLink link:presentationLink 145 - Disclosure - Note 24 - Derivative Financial Instruments - Hedge Reserve Evolution (Details) link:calculationLink link:definitionLink link:presentationLink 146 - Disclosure - Note 25 - Contingencies, Commitments and Restrictions On the Distribution of Profits (Details Textual) link:calculationLink link:definitionLink link:presentationLink 147 - Disclosure - Note 26 - Agreement to Build a Welded Pipe Plant in West Siberia (Details Textual) link:calculationLink link:definitionLink link:presentationLink 148 - Disclosure - Note 27 - Business Combinations (Details Textual) link:calculationLink link:definitionLink link:presentationLink 149 - Disclosure - Note 27 - Business Combinations - Assets and Liabilities Assumed (Details) link:calculationLink link:definitionLink link:presentationLink 150 - Disclosure - Note 28 - Cash Flow Disclosures - Cash Flow Disclosures (Details) link:calculationLink link:definitionLink link:presentationLink 151 - Disclosure - Note 29 - Discontinued Operations (Details Textual) link:calculationLink link:definitionLink link:presentationLink 152 - Disclosure - Note 29 - Discontinued Operations - Components of Discontinued Operation's Net Income (Details) link:calculationLink link:definitionLink link:presentationLink 153 - Disclosure - Note 29 - Discontinued Operations - Components Gain on Sale After Income Tax for Disposals (Details) link:calculationLink link:definitionLink link:presentationLink 154 - Disclosure - Note 29 - Discontinued Operations - Discontinued Operations (Details) link:calculationLink link:definitionLink link:presentationLink 155 - Disclosure - Note 30 - Related Party Transactions (Details Textual) link:calculationLink link:definitionLink link:presentationLink 156 - Disclosure - Note 30 - Related Party Transactions - Transactions Carried Out With Related Parties (Details) link:calculationLink link:definitionLink link:presentationLink 157 - Disclosure - Note 31 - Fees Paid to the Company's Principal Accountant - Fees Accrued for Professional Services (Details) link:calculationLink link:definitionLink link:presentationLink 158 - Disclosure - Note 32 - Principal Subsidiaries (Details Textual) link:calculationLink link:definitionLink link:presentationLink 159 - Disclosure - Note 32 - Principal Subsidiaries - Percentage of Ownership of Each Controlled Company (Details) link:calculationLink link:definitionLink link:presentationLink 160 - Disclosure - Note 33 - Nationalization of Venezuelan Subsidiaries (Details Textual) link:calculationLink link:definitionLink link:presentationLink 161 - Disclosure - Note 35 - Subsequent Events (Details Textual) link:calculationLink link:definitionLink link:presentationLink 162 - Disclosure - Note 36 - Update as of April 29, 2020 (Details Textual) link:calculationLink link:definitionLink link:presentationLink 163 - Disclosure - Note 36 - Update as of April 29, 2020 - Assets and Liabilities Assumed (Details) link:calculationLink link:definitionLink link:presentationLink