The global stainless steel pipes and tubes for data centers market was valued at USD 1.26 billion in 2025. It is estimated to reach USD 1.56 billion in 2026 and is forecast to grow to USD 9.85 billion by 2036, growing at a CAGR of 20.2% over 2026-2036. This report provides a detailed assessment of the market, covering liquid cooling architecture, wetted materials and coolant compatibility, pipe and tube standards, welding and commissioning practices, alloy surcharge pricing, installed cost by jointing method, trade measures, the supplier landscape, and future growth opportunities.
The market includes stainless steel pipe, tube, fittings, and fabricated assemblies in 304/304L, 316/316L, duplex, other austenitic, and ferritic grades, used in facility water and technology cooling circuits, make-up and treated water lines, and condensate and drainage systems. Carbon steel, ductile iron, and thermoplastic pipework, copper and aluminum tube, coolant distribution units, cold plates, pumps, valves, heat exchangers, flexible hose and quick-disconnect couplings, coolant fluids, and stainless pipe sold to other end markets are excluded.
An ASHRAE technical bulletin on liquid cooling for data center hardware recommends a coolant distribution unit between the facility water system and the technology cooling system, so each liquid-cooled building now carries two pipe networks with different material needs. Rules on what may touch the coolant are still missing, since the Open Compute Project's Cold Plate Wetted Materials workstream, at its September 9, 2026 page update, had published no approved or prohibited materials, stainless grades, or coolant chemistry requirements. According to Proclamation 10947 of June 3, 2025, Section 232 tariffs on steel, aluminum, and derivative products, including Chapter 73 pipe and tube, doubled from 25% to 50% in the U.S., and the definitive phase of the EU Carbon Border Adjustment Mechanism, which covers construction pipes, began on January 1, 2026.
Alloy surcharges are the main restraint, as austenitic pipe prices follow nickel and, for 316L, molybdenum, inputs that pipe makers cannot control and rarely hedge for construction contracts. This can delay awards on large campuses where buyers work to fixed budgets. A future wetted materials requirement could also admit lower-cost materials in parts of the circuit and remove some current volume. Key challenges include the lack of long-duration evidence on how elastomer seals in press-fit joints age in inhibited coolant, and split responsibility for coolant chemistry among equipment vendors, contractors, and operators, which exposes pipe suppliers to failures caused by fluid management they do not control.
Factory pressure-tested spools delivered cleaned, passivated, and capped are the strongest opportunity, as they solve schedule and cleanliness problems at once in circuits feeding narrow cold plate channels. Duplex substitution, press-fit systems proven for treated coolant service, and retrofit piping for air-cooled halls moving to liquid cooling also offer clear openings. Key trends include the movement of value from mill-length tube to tested assemblies, a gradual shift from an austenitic default toward duplex, and the concentration of stainless on the technology cooling system as the two-loop design becomes standard.
By grade, the stainless steel pipes and tubes for data centers market is segmented into 304 & 304L, 316 & 316L, duplex, other austenitic, and ferritic. The 316 & 316L grades are set to lead in 2026, as they tolerate chlorides better than 304L, withstand inhibited glycol coolants, and act as the safe default until wetted materials rules are published. Duplex is expected to record the highest CAGR, since its higher strength and lower nickel content permit thinner walls at the same pressure rating, cutting metal weight and surcharge exposure on long campus runs. Its uptake depends mainly on welding procedure qualification and installer familiarity, so it advances fastest where one contractor repeats a campus design across several projects.
By product type, the stainless steel pipes and tubes for data centers market is segmented into welded pipe, seamless pipe, welded tube, seamless tube, and prefabricated spools & assemblies. Welded pipe holds the largest share in 2026, given its cost advantage over seamless product at coolant pressures, its availability across the sizes used in cooling circuits, and its established supply into building services. Prefabricated spools & assemblies are expected to grow at the highest CAGR, as shop-built units that arrive tested, cleaned, and capped remove hot work permits, equipment screening, and much of the on-site commissioning. Factory conditions also keep debris and weld scale out of circuits that serve cold plates.
By jointing method, the stainless steel pipes and tubes for data centers market is segmented into orbital & fusion welded, press-fit, grooved mechanical, and flanged & threaded. Welded joints lead in 2026, as welding is the reference method for pressurized coolant service, the joint has no elastomer seal, and specifiers trust its long-term behavior in treated fluid. Press-fit is expected to post the highest CAGR, as it takes welding out of the building and shortens commissioning on projects with fixed energization dates. Seal compatibility with inhibited coolant, not mechanical strength, sets the limit on its spread.
By loop, the stainless steel pipes and tubes for data centers market is segmented into facility water system, technology cooling system, make-up & treated water, and condensate & drainage. The facility water system holds the largest share in 2026, reflecting the larger diameters and longer runs that carry heat from coolant distribution units to rejection plant, even though only part of this loop uses stainless. The technology cooling system is expected to grow at the highest CAGR, as it scales with rack density, carries treated coolant directly into IT equipment, and is where stainless specification is concentrating. Demand per megawatt therefore rises with density even when the building footprint stays the same.
By diameter range, the stainless steel pipes and tubes for data centers market is segmented into up to 2 inches, 2 to 6 inches, and above 6 inches. The 2 to 6 inches range leads in 2026, as it is used for distribution piping between coolant distribution units and rack manifolds and for secondary mains in data halls, the longest stainless runs on most projects. The up to 2 inches range is expected to grow at the highest CAGR, driven by more manifold and branch connections at higher densities, rack-level assemblies built mostly from small-bore tube, and the good fit of small sizes with press-fit joints.
By data center type, the stainless steel pipes and tubes for data centers market is segmented into hyperscale, colocation, and enterprise & edge. Hyperscale facilities lead in 2026, as liquid-cooled capacity is concentrated in large campus phases, repeated hall designs suit prefabricated supply, and high densities make the secondary circuit substantial. Colocation is expected to register the highest CAGR, driven by liquid cooling retrofits in occupied halls, where welding is often impractical, and by tenants that need liquid-cooled space at short notice. Providers converting leased halls also cannot accept site fabrication risk, which supports modular manifold assemblies.
Asia-Pacific is set to hold the largest share of the global market in 2026, as the region holds most of the world's stainless pipe and tube capacity and heavy data center construction in China, Japan, India, Singapore, Malaysia, and South Korea. Nearby fabrication capacity supports prefabricated supply, and the region also exports pipe, tube, and spools to other markets.
North America is expected to grow at the highest CAGR, supported by committed liquid-cooled capacity in the U.S., the high rack densities of AI training clusters, and Section 232 duties that are charged on steel content and therefore favor domestically made and fabricated supply. In Europe, CBAM costs weigh heavily on products that are almost entirely steel and alloy, rewarding regional supply with documented origin, while local specialist tube makers and jointing suppliers are well placed for the shift toward prefabricated assemblies.
Suppliers in the stainless steel pipes and tubes for data centers market fall into three groups with very different pricing power. Mills compete on grade range, diameters, surcharge terms, and delivery for products bought against standard designations. Fabricators sell tested, passivated assemblies built to a construction schedule, which earn higher margins, and jointing suppliers sell qualified methods backed by seal performance data. Advantage is shifting toward the firms closest to the installation constraint, not the lowest-cost mills, because on projects tied to a fixed energization date a finished, tested assembly is worth more to the buyer than a lower metal price. Fabrication and qualification capability near large construction clusters is therefore a stronger asset than added tube capacity, and producers that compete only on surcharge terms are left holding a link in the value chain whose share of project value is falling.
Key companies profiled in the report include Alleima AB (Sweden), Outokumpu Oyj (Finland), Tubacex, S.A. (Spain), BUTTING Group (Germany), Marcegaglia Steel Group (Italy), Zhejiang Jiuli Hi-tech Metals Co., Ltd. (China), Tsingshan Holding Group Co., Ltd. (China), Nippon Steel Corporation (Japan), JFE Steel Corporation (Japan), POSCO Holdings Inc. (South Korea), Jindal SAW Limited (India), Ratnamani Metals & Tubes Limited (India), Plymouth Tube Company (U.S.), Webco Industries, Inc. (U.S.), Mueller Industries, Inc. (U.S.), Viega GmbH & Co. KG (Germany), Victaulic Company (U.S.), and Georg Fischer Ltd (Switzerland).
The market includes stainless steel pipe, tube, fittings, and fabricated assemblies in 304/304L, 316/316L, duplex, other austenitic, and ferritic grades, used in facility water and technology cooling circuits, make-up and treated water lines, and condensate and drainage systems. Carbon steel, ductile iron, and thermoplastic pipework, copper and aluminum tube, coolant distribution units, cold plates, pumps, valves, heat exchangers, flexible hose and quick-disconnect couplings, coolant fluids, and stainless pipe sold to other end markets are excluded.
An ASHRAE technical bulletin on liquid cooling for data center hardware recommends a coolant distribution unit between the facility water system and the technology cooling system, so each liquid-cooled building now carries two pipe networks with different material needs. Rules on what may touch the coolant are still missing, since the Open Compute Project's Cold Plate Wetted Materials workstream, at its September 9, 2026 page update, had published no approved or prohibited materials, stainless grades, or coolant chemistry requirements. According to Proclamation 10947 of June 3, 2025, Section 232 tariffs on steel, aluminum, and derivative products, including Chapter 73 pipe and tube, doubled from 25% to 50% in the U.S., and the definitive phase of the EU Carbon Border Adjustment Mechanism, which covers construction pipes, began on January 1, 2026.
Market Dynamics
The shift from air cooling to direct liquid cooling is the main driver for the stainless steel pipes and tubes for data centers market. Air-cooled halls hold very little pipework, whereas liquid-cooled halls need a pressurized coolant loop reaching every rack, its manifolds, and the cold plates on individual accelerators. A leak above energized IT equipment is so costly that buyers choose pipe on reliability rather than price, and stainless is chosen where treated coolant with inhibitors and biocides enters equipment. The secondary circuit expands with rack density instead of floor area, so stainless content per megawatt rises as densities increase. With no wetted materials list in place, engineers also default to 316L, which handles chlorides better than 304L and avoids galvanic couples a later ruling could ban.Alloy surcharges are the main restraint, as austenitic pipe prices follow nickel and, for 316L, molybdenum, inputs that pipe makers cannot control and rarely hedge for construction contracts. This can delay awards on large campuses where buyers work to fixed budgets. A future wetted materials requirement could also admit lower-cost materials in parts of the circuit and remove some current volume. Key challenges include the lack of long-duration evidence on how elastomer seals in press-fit joints age in inhibited coolant, and split responsibility for coolant chemistry among equipment vendors, contractors, and operators, which exposes pipe suppliers to failures caused by fluid management they do not control.
Factory pressure-tested spools delivered cleaned, passivated, and capped are the strongest opportunity, as they solve schedule and cleanliness problems at once in circuits feeding narrow cold plate channels. Duplex substitution, press-fit systems proven for treated coolant service, and retrofit piping for air-cooled halls moving to liquid cooling also offer clear openings. Key trends include the movement of value from mill-length tube to tested assemblies, a gradual shift from an austenitic default toward duplex, and the concentration of stainless on the technology cooling system as the two-loop design becomes standard.
Segment Analysis
The report analyzes the market by grade, product type, jointing method, loop, diameter range, data center type, and geography, helping stakeholders identify the most attractive areas for supply, fabrication, and investment.By grade, the stainless steel pipes and tubes for data centers market is segmented into 304 & 304L, 316 & 316L, duplex, other austenitic, and ferritic. The 316 & 316L grades are set to lead in 2026, as they tolerate chlorides better than 304L, withstand inhibited glycol coolants, and act as the safe default until wetted materials rules are published. Duplex is expected to record the highest CAGR, since its higher strength and lower nickel content permit thinner walls at the same pressure rating, cutting metal weight and surcharge exposure on long campus runs. Its uptake depends mainly on welding procedure qualification and installer familiarity, so it advances fastest where one contractor repeats a campus design across several projects.
By product type, the stainless steel pipes and tubes for data centers market is segmented into welded pipe, seamless pipe, welded tube, seamless tube, and prefabricated spools & assemblies. Welded pipe holds the largest share in 2026, given its cost advantage over seamless product at coolant pressures, its availability across the sizes used in cooling circuits, and its established supply into building services. Prefabricated spools & assemblies are expected to grow at the highest CAGR, as shop-built units that arrive tested, cleaned, and capped remove hot work permits, equipment screening, and much of the on-site commissioning. Factory conditions also keep debris and weld scale out of circuits that serve cold plates.
By jointing method, the stainless steel pipes and tubes for data centers market is segmented into orbital & fusion welded, press-fit, grooved mechanical, and flanged & threaded. Welded joints lead in 2026, as welding is the reference method for pressurized coolant service, the joint has no elastomer seal, and specifiers trust its long-term behavior in treated fluid. Press-fit is expected to post the highest CAGR, as it takes welding out of the building and shortens commissioning on projects with fixed energization dates. Seal compatibility with inhibited coolant, not mechanical strength, sets the limit on its spread.
By loop, the stainless steel pipes and tubes for data centers market is segmented into facility water system, technology cooling system, make-up & treated water, and condensate & drainage. The facility water system holds the largest share in 2026, reflecting the larger diameters and longer runs that carry heat from coolant distribution units to rejection plant, even though only part of this loop uses stainless. The technology cooling system is expected to grow at the highest CAGR, as it scales with rack density, carries treated coolant directly into IT equipment, and is where stainless specification is concentrating. Demand per megawatt therefore rises with density even when the building footprint stays the same.
By diameter range, the stainless steel pipes and tubes for data centers market is segmented into up to 2 inches, 2 to 6 inches, and above 6 inches. The 2 to 6 inches range leads in 2026, as it is used for distribution piping between coolant distribution units and rack manifolds and for secondary mains in data halls, the longest stainless runs on most projects. The up to 2 inches range is expected to grow at the highest CAGR, driven by more manifold and branch connections at higher densities, rack-level assemblies built mostly from small-bore tube, and the good fit of small sizes with press-fit joints.
By data center type, the stainless steel pipes and tubes for data centers market is segmented into hyperscale, colocation, and enterprise & edge. Hyperscale facilities lead in 2026, as liquid-cooled capacity is concentrated in large campus phases, repeated hall designs suit prefabricated supply, and high densities make the secondary circuit substantial. Colocation is expected to register the highest CAGR, driven by liquid cooling retrofits in occupied halls, where welding is often impractical, and by tenants that need liquid-cooled space at short notice. Providers converting leased halls also cannot accept site fabrication risk, which supports modular manifold assemblies.
Regional Analysis
The report covers Asia-Pacific, North America, Europe, Latin America, and the Middle East & Africa, spanning 18 countries, the Nordic countries, the GCC countries, and four rest-of-region groups. Regional coverage of the stainless steel pipes and tubes for data centers market weighs liquid-cooled construction, local pipe and fabrication capacity, trade and carbon border measures, and the uptake of prefabricated and press-fit methods.Asia-Pacific is set to hold the largest share of the global market in 2026, as the region holds most of the world's stainless pipe and tube capacity and heavy data center construction in China, Japan, India, Singapore, Malaysia, and South Korea. Nearby fabrication capacity supports prefabricated supply, and the region also exports pipe, tube, and spools to other markets.
North America is expected to grow at the highest CAGR, supported by committed liquid-cooled capacity in the U.S., the high rack densities of AI training clusters, and Section 232 duties that are charged on steel content and therefore favor domestically made and fabricated supply. In Europe, CBAM costs weigh heavily on products that are almost entirely steel and alloy, rewarding regional supply with documented origin, while local specialist tube makers and jointing suppliers are well placed for the shift toward prefabricated assemblies.
Competitive Landscape
The report provides a detailed review of the competitive landscape, covering key growth strategies, competitive benchmarking, the competitive dashboard, and market share analysis. Company profiles include business overviews, financial performance, product portfolios, strategic developments, and SWOT analyses.Suppliers in the stainless steel pipes and tubes for data centers market fall into three groups with very different pricing power. Mills compete on grade range, diameters, surcharge terms, and delivery for products bought against standard designations. Fabricators sell tested, passivated assemblies built to a construction schedule, which earn higher margins, and jointing suppliers sell qualified methods backed by seal performance data. Advantage is shifting toward the firms closest to the installation constraint, not the lowest-cost mills, because on projects tied to a fixed energization date a finished, tested assembly is worth more to the buyer than a lower metal price. Fabrication and qualification capability near large construction clusters is therefore a stronger asset than added tube capacity, and producers that compete only on surcharge terms are left holding a link in the value chain whose share of project value is falling.
Key companies profiled in the report include Alleima AB (Sweden), Outokumpu Oyj (Finland), Tubacex, S.A. (Spain), BUTTING Group (Germany), Marcegaglia Steel Group (Italy), Zhejiang Jiuli Hi-tech Metals Co., Ltd. (China), Tsingshan Holding Group Co., Ltd. (China), Nippon Steel Corporation (Japan), JFE Steel Corporation (Japan), POSCO Holdings Inc. (South Korea), Jindal SAW Limited (India), Ratnamani Metals & Tubes Limited (India), Plymouth Tube Company (U.S.), Webco Industries, Inc. (U.S.), Mueller Industries, Inc. (U.S.), Viega GmbH & Co. KG (Germany), Victaulic Company (U.S.), and Georg Fischer Ltd (Switzerland).
How This Report Helps
- Provides reliable market size estimates and long-term forecasts for the market worldwide.
- Explains how direct liquid cooling and the two-loop design are creating new stainless pipe demand.
- Assesses how the unpublished wetted materials specification affects grade selection and demand.
- Analyzes alloy surcharges, installed cost by jointing method, U.S. tariffs, and EU carbon border costs.
- Identifies high-growth opportunities across all six segmentations and every region covered.
- Benchmarks mills, fabricators, and jointing suppliers by product range and qualification.
- Supports capacity, fabrication, pricing, and market entry decisions for suppliers and investors.
Key Questions Answered
- How big is the global stainless steel pipes and tubes for data centers market, and how will it grow through 2036?
- How does the two-loop design shape where stainless is specified?
- What are the main drivers, restraints, opportunities, challenges, and trends?
- How could a wetted materials requirement change demand for 316L?
- How are surcharges, tariffs, and carbon border costs affecting pricing?
- Which grades, products, jointing methods, loops, and sizes will grow fastest?
- How quickly will prefabricated spools, press-fit, and duplex be adopted?
- Which regions and countries offer the best opportunities?
- Who are the leading suppliers, and how do they compete?
Table of Contents
1. Introduction
2. Research Methodology
3. Executive Summary
4. Market Insights
5. Global Stainless Steel Pipes and Tubes for Data Centers Market Assessment, by Grade
6. Global Stainless Steel Pipes and Tubes for Data Centers Market Assessment, by Product Type
7. Global Stainless Steel Pipes and Tubes for Data Centers Market Assessment, by Jointing Method
8. Global Stainless Steel Pipes and Tubes for Data Centers Market Assessment, by Loop
9. Global Stainless Steel Pipes and Tubes for Data Centers Market Assessment, by Diameter Range
10. Global Stainless Steel Pipes and Tubes for Data Centers Market Assessment, by Data Centre Type
11. Global Stainless Steel Pipes and Tubes for Data Centers Market Assessment, by Geography
12. Competition Analysis
13. Company Profiles
14. Appendix
LIST OF TABLES
LIST OF FIGURES
Companies Mentioned
- Alleima AB
- Outokumpu Oyj
- Tubacex, S.A.
- BUTTING Group
- Marcegaglia Steel Group
- Zhejiang Jiuli Hi-tech Metals Co., Ltd.
- Tsingshan Holding Group Co., Ltd.
- Nippon Steel Corporation
- JFE Steel Corporation
- POSCO Holdings Inc.
- Jindal SAW Limited
- Ratnamani Metals & Tubes Limited
- Plymouth Tube Company
- Webco Industries, Inc.
- Mueller Industries, Inc.
- Viega GmbH & Co. KG
- Victaulic Company
- Georg Fischer Ltd
