Metinox Overseas is the major manufacturer and supplier of commendable grade of 904L stainless steel pipe which is a non-stabilized low carbon high alloy austenitic stainless steel pipe. There should be no pre-heat on these SS 904L pipe and in the majority of cases there is no need of post weld heat treatment. The Type 904L Pipe is intended to work in harsh environments. Grade 904L pipes with high content of chromium, nickel, molybdenum and copper has good corrosion resistance. Owing to the addition of copper to 904L SS Pipes, it becomes highly resistant to highly reducing acids, especially the sulphuric acid. Alloy 904L Pipes has a very significant content of two expensive constituents which are nickel and molybdenum. 904L seamless pipes are also very resistant to chloride attack pitting/crevice corrosion and stress corrosion cracking.
Table of Contents
- Stainless Steel 904L Pipe Specification
- Stainless Steel 904L Pipes Welding Characteristics & Material Behavior
- Stainless Steel 904L Pipes Manufacturing Capability & Product Range
- Stainless Steel 904L Pipes Standards, Sizes & Technical Specifications
- Stainless Steel 904L Pipes Forms, End Finishes & Length Options
- Inspection, Certification & Packaging at Metinox Overseas
- Stainless Steel 904L Pipes Related Types
- 904L Stainless Steel Pipe Price List
- Stainless Steel UNS N08904 Pipe Equivalent Grades
- 904L Stainless Steel Pipe Chemical Composition
- ASME SA312 SS TP904L Pipe Mechanical Properties
- Stainless Steel 904L Pipes Physical Properties
- SS 904L Pipes: Key Application Industries
- Why Choose Metinox Overseas?
- Export Destinations - USA, Europe, Middle East, LATAM
- SS 904L Pipe Delivery Time & CIF Pricing by Country
- Other types of SS 904L Pipes
- Popular Locations Where We Supply Stainless Steel 904L Pipes
- People Search 904L SS Pipe For
- Supplier and Exporter of Stainless Steel 904L Pipes in Cities
- Supplier and Exporter of Stainless Steel 904L Pipes in Countries
- Frequently Asked Questions (FAQ)
Stainless Steel 904L Pipe Specification
Our comprehensive specifications ensure that our 904L pipes meet the most rigorous industrial standards for dimensions and delivery conditions.
| Specification | Details |
| Specifications | ASTM A312 / ASME SA312 |
| Outside Diameter | 6.00 mm OD up to 914.4 mm OD, Sizes up to 24" NB available Ex-stock, OD Size Steel Tubes available Ex-stock |
| Thickness Range | 0.3mm � 50 mm, SCH 5, SCH10, SCH 40, SCH 80, SCH 80S, SCH 160, SCH XXS, SCH XS |
| Type | Seamless / ERW / Welded / Fabricated / CDW |
| Form | Round Pipes, Square Pipes, Rectangular Pipes |
| Length | Single Random, Double Random & Required Length |
| End | Plain End, Beveled End, Treaded |
| Outside Finish | 2B, No.4, No.1, No.8 Mirror Finish for Stainless Steel Pipes, Finish as per customer Requirements |
| Delivery Condition | Annealed and Pickled, Polished, Bright Annealed, Cold Drawn |
| EN 10216-5 | EN 10216 904L Seamless Steel Pipe, EN 10216-5 1.4539 Seamless Steel Pipes for pressure purposes |
| EN 10217-7 | EN 10217 904L Welded Steel Pipe, Steel EN 10217-7 1.4539 Welded Pipes for pressure purposes |
Stainless Steel 904L Pipes Welding Characteristics & Material Behavior
Welded pipes made of stainless steel 904L is a high purity and low sulphur grade and therefore will not machine well. A large portion of the applications where stainless steel 904L EFW pipes have been used successfully in the past can be met at reduced cost thus is not used as much as before. First, SS 904L smooth pipes are produced with corrosion resistance over sulfuric acid. The SS 904L welded pipes are non-magnetic under all conditions and have good weldability and formability. The corrosion performance of SS 904L EFW pipes in most of the environments is intermediate between the standard austenitic grade of SS 316L pipe and the exceptionally highly alloyed 6% molybdenum and suchlike austenitic grade.
Stainless Steel 904L Pipes Manufacturing Capability & Product Range
Metinox Overseas deals with Stainless Steel ASTM A312 TP904L Seamless Pipes that are produced under the close supervision of professionals and are made according to the national and international standards. We produce all our ASTM A213 Stainless Steel 904L Pipes at our units through the aid of optimum grade materials and under the assistance of our best state of technology. Our pipes come in high quality round stainless steel 904l pipes, rectangular stainless steel 904l pipes, hollow stainless steel 904l pipes and square stainless steel 904l pipes of different wall thickness and diameter. The manufacturing of these Stainless Steel 904l Pipes is mostly done using very high quality raw materials. We are also referred to as the One of the Largest Suppliers of Super Duplex Seamless Pipe in India.
Stainless Steel 904L Pipes Standards, Sizes & Technical Specifications
ASTEM A358 Stainless Steel 904L EFW Pipe has the best possible prices that we are offering to all our customers, and the stocks of all types, materials, and sizes are in stock and are instantly available across the world. The qualitative range of Stainless Steel 904l Pipes available to us is only designed in a number of piping applications.
- The standard specification of it is ASTM A312, ASME SA312.
- It has the dimension API, ASME, and ASTM.
- Its pipe size is ranging between 1/2"NB to 16" NB, The standard size of it is between 1/8"NB to 30" NB IN, ERW 904L pipes 1/2" NB to 24" NB and EFW 904L 6" NB to 100" NB.
- It has the following schedule: SCH 20, 30, 80, 60, 120, 160 and 140, STD, XS, and XXS.
Stainless Steel 904L Pipes Forms, End Finishes & Length Options
Stainless Steel 904L pipes are available in a wide range of manufacturing types, shapes, end finishes, and length options to suit diverse industrial and application-specific requirements.
- Its form of availability is seamless, ERW, fabricated, LSAW and welded.
- The shapes of this pipe can take: hydraulic, square, rectangle, round etc.
- The ends are plain beveled treaded.
- The single random length, the double random length and the custom length are single random in length.
Inspection, Certification & Packaging at Metinox Overseas
Metinox Overseas delivers Stainless Steel 904L Pipes and full quality documentation including Mill Test Certificates (MTC) according to EN 10204 3.1 / 3.2, certificate of test of the raw material, third party inspection report and 100 percent radiography test report where necessary. The buyers are able to order these pipes in large quantities with specification on their technical and dimensional needs in advance to obtain competitive industry prices and an efficient supply package.
Stainless Steel 904L Pipes Related Types
Alloy 20 Pipe Manufacturer
3LPE Coating Seamless Manufacturer
Hastelloy Pipes Manufacturer
Cu-Ni 70/30 Pipes Manufacturer
Cu-Ni 90/10 Pipes Manufacturer
Corten Steel Pipes Manufacturer
Stainless Steel 904L Pipes Manufacturer
Super Duplex Seamless Pipe Manufacturer
Duplex Seamless Pipe Manufacturer
Carbon Steel Seamless Pipes Manufacturer
904L Stainless Steel Pipe Price List
The following price list provides current market rates for various 904L piping solutions, reflecting the value of its high-alloy content.
Note: Prices are subject to change based on market fluctuations. Contact us for the latest quote.
| Product Description | Price (USD/Kg) | Price (INR/Kg) |
| SS 904L Pipe Price | $310 - $725 | ?225 |
| 904L SS Pipe Price | $630 - $820 | ?190 |
| 904L Stainless Steel Pipe Price | $410 - $615 | ?210 |
| Stainless Steel 904L Pipe Price In Delhi | $345 - $720 | ?201 |
| 904L Stainless Steel Pipe Price In India | $890 - $930 | ?155 |
Stainless Steel UNS N08904 Pipe Equivalent Grades
These international equivalency standards facilitate seamless procurement for global projects.
| STANDARD | UNS | WERKSTOFF NR. | AFNOR | EN | JIS | BS | KS |
| SS 904L | N08904 | 1.4539 | Z2 NCDU 25-20 | X1NiCrMoCu25-20-5 | SUS 904L | 904S13 | STS 317J5L |
904L Stainless Steel Pipe Chemical Composition
The chemical makeup of 904L is engineered with high molybdenum and copper to provide exceptional resistance to localized corrosion.
| Grade | C | Mn | Si | P | S | Cr | Mo | Ni | Cu |
| SS 904L | 0.020 max | 2.00 max | 1.00 max | 0.040 max | 0.030 max | 19.00 � 23.00 | 4.00 � 5.00 max | 23.00 � 28.00 | 1.00 � 2.00 |
ASME SA312 SS TP904L Pipe Mechanical Properties
Metinox Overseas guarantees high tensile and yield strength in our 904L pipes, ensuring structural integrity under pressure.
| Grade | Tensile Strength | Yield Strength (0.2% Offset) | Elongation |
| SS 904L | Psi � 71000, MPa � 490 | Psi � 32000, MPa � 220 | 35 % |
Stainless Steel 904L Pipes Physical Properties
This data highlights the material's thermal and electrical characteristics, essential for precision engineering in heat exchangers and sensitive equipment.
| Grade | Density (kg/m�) | Elastic Modulus (GPa) | Mean Coefficient of Thermal Expansion (�m/m/�C) 0-100�C | Thermal Conductivity (W/m.K) at 100�C | Specific Heat 0-100�C (J/kg.K) | Electrical Resistivity (nO.m) |
| 904L | 8000 | 200 | 15.0 | 13.0 | 500 | 850 |
SS 904L Pipes: Key Application Industries
Metinox Overseas specializes in providing premium 904L Stainless Steel Pipes tailored for the most demanding industrial environments. Due to its superior resistance to reducing acids and localized corrosion, this grade is a critical asset across various high-performance sectors.
Textile Machinery
In the textile sector, SS 904L pipes are vital for dyeing and bleaching machines. They withstand harsh chemical baths and concentrated acidic environments, preventing pitting and ensuring equipment longevity during intensive fabric processing cycles.
Oil and Gas Industry
Grade 904L is essential for offshore oil and gas platforms. Its high nickel and molybdenum content provides excellent resistance to chloride-induced stress corrosion cracking and pitting in aggressive maritime and subsea deep-sea environments.
Pulp and Paper Industry
The pulp and paper industry utilizes 904L pipes in bleaching sections where exposure to chlorine dioxide is constant. The alloy resists localized corrosion in these highly oxidative environments, significantly reducing downtime and maintenance costs.
Power Plants
In power generation, 904L is used for condenser tubes and cooling systems that utilize brackish or seawater. Its ability to resist biofouling and chloride-related degradation makes it superior to standard grades in coastal plant operations.
Energy Industries
These pipes are utilized in geothermal and renewable energy sectors to handle high-pressure steam and hot brine. 904L maintains structural integrity and resists scaling, ensuring efficient energy transfer in demanding thermal power cycles.
Pharmaceutical Processing
The pharmaceutical sector relies on 904L for high-purity piping systems. Its smooth surface finish and resistance to aggressive sanitizing agents ensure zero contamination and maintain strict hygiene standards required for drug manufacturing.
Modern Architecture
Architects use 904L for structural components in coastal environments. From bridge supports to high-end facades, the alloy prevents "tea staining" and structural weakening caused by salt spray, maintaining the building's long-term visual appeal.
Water Waste Projects
In desalination and wastewater treatment plants, 904L is the gold standard for handling high-chloride sludge and brackish water. It prevents crevice corrosion in filtration systems, ensuring long-term reliability for water infrastructure.
Heat Exchanger
904L is the preferred material for heat exchangers dealing with aggressive cooling media. Its superior thermal conductivity and resistance to thermal expansion stress make it ideal for chemical processing and high-temperature marine cooling.
Dairy and Food Processing
In food processing, 904L is used for handling products with high salt content, such as cheese and sauces. It resists the corrosive effects of food acids and aggressive cleaning chemicals, ensuring the highest levels of safety and hygiene.
Why Choose Metinox Overseas?
Metinox Overseas being a major manufacturer of 904L Stainless Steel Pipes, and a global stockist of its pipes, offers the combination of technical accuracy and the dependability of a chain supply system:
- Special Metallurgical Control: Our ASTM A312 TP904L pipes are produced on the strict supervision of the molybdenum and Copper content in our pipes to achieve maximum corrosion resistance.
- Ex-Stock Availability: We stock huge stock of SS 904L Seamless and Welded pipes of all major schedules (SCH 10 till SCH 160), and can dispatch immediately when an urgent maintenance shut down is required.
- Strict Testing: Each of the pipes is exposed to Positive Material Identification (PMI), Intergranular Corrosion (IGC) tests, and 100% Radiography that conform to the international project specifications.
- Competitive Global Pricing: We will have the lowest price of 904L stainless steel pipe in India and abroad, using our mass producing power.
- Precision Finishing: We offer end finishes that are specialized such as beveled, threaded, plain finished and mirror or satin surface finished as per client requests.
Looking for High-Quality Stainless Steel 904L Pipes?
Choose Metinox Overseas � Your Reliable SS 904L Pipe Manufacturer & Exporter.
Let us support your projects with quality, precision, and performance.
Export Destinations - USA, Europe, Middle East, LATAM
We are a major exporter of SS 904L steel pipes to high-consumption regions:
- Middle East: UAE (Dubai, Abu Dhabi), Saudi Arabia (Riyadh, Jubail), Qatar, Oman, Kuwait.
- Americas (LATAM & USA): USA (Houston, New York), Brazil, Mexico, Argentina, Canada.
- Europe: Germany, Italy, UK, Netherlands, Belgium, France.
- Asia & Africa: Singapore, Malaysia, South Africa, Nigeria, Egypt, Thailand.
SS 904L Pipe Delivery Time & CIF Pricing by Country
Metinox Overseas has also developed an effective international logistics infrastructure that has enabled it supply ASTM A312 TP904L Pipes to its client in a timely fashion throughout the globe. Our purchasing terms are adaptable and may be customized to suit your buying requirements including CIF (Cost, Insurance and Freight), FOB (Free on Board), CFR (Cost and Freight) and DDP (Delivered Duty Paid). We also have strategic alliances with the shipping lines and other freight forwarders and this provides us with competitive freight rates and a consistent transit time to all major ports in the world.
| Destination Region | Major Ports / Cities | Estimated Delivery Time | Typical CIF Terms |
| Middle East (GCC) | Dubai (Jebel Ali), Dammam, Doha, Muscat, Kuwait | 7 - 10 Days | CIF Dubai / CIF Dammam / CIF Doha |
| Europe | Rotterdam, Hamburg, Antwerp, Southampton, Genoa | 20 - 25 Days | CIF Rotterdam / CIF Hamburg |
| USA & Canada | Houston, New York, Los Angeles, Long Beach, Vancouver | 25 - 30 Days | CIF Houston / CIF New York / CIF LA |
| Latin America (LATAM) | Santos (Brazil), Veracruz (Mexico), Buenos Aires, Callao | 30 - 35 Days | CIF Santos / CIF Veracruz |
| Southeast Asia | Singapore, Port Klang, Bangkok, Manila, Jakarta | 10 - 15 Days | CIF Singapore / CIF Port Klang |
| Africa | Lagos, Durban, Mombasa, Dar es Salaam, Alexandria | 15 - 20 Days | CIF Lagos / CIF Durban |
Note: The approximate delivery times are based on shipping line schedule, the congestion in a port and the procedure of a customs clearance. In case of urgent needs, we can provide air freight services that will be delivered within 5-7 days to major international airports. Call our export department to get the special logistics and the latest CIF prices of SS 904L Seamless Pipes, SS 904L Welded Pipes and SS 904L ERW Pipes.
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Supplier and Exporter of Stainless Steel 904L Pipes in Cities Like
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Supplier and Exporter of Stainless Steel 904L Pipes in Countries Like
Spain, Belgium, Iran, India, Estonia, Malaysia, Indonesia, Algeria, Namibia, Netherlands, Lithuania, Switzerland, Iran, Pakistan, Zimbabwe, United Arab Emirates, Argentina, Australia, Yemen, Nepal, Hungary, United States, Bulgaria, Greece, Tibet, Kenya, Gambia, Ireland, Trinidad & Tobago, Tunisia, Mongolia, Norway, Poland, Denmark, China, Iraq, Turkey, Azerbaijan, Austria, Peru, Libya, Ecuador, Italy, Macau, Vietnam, Sri Lanka, Jordan, Bangladesh, Afghanistan, Gabon, Belarus, Croatia, Bahrain, Singapore, Chile, Bhutan, Slovakia, Morocco, Costa Rica, Kazakhstan, Brazil, Japan, Nigeria, Qatar, Nigeria, Angola, France, Taiwan, Canada, Mexico, United Kingdom, New Zealand, Saudi Arabia, Romania, Oman, Bolivia, Serbia, Poland, Philippines, Portugal, Israel, Chile, Hong Kong, Colombia, Sweden, Mexico, Germany, Finland, Egypt, South Africa, Ghana, Ukraine, Lebanon, Venezuela, South Korea, Puerto Rico, Kuwait, Czech Republic, Russia, Thailand.
Frequently Asked Questions (FAQ)
Whereas 316L is a standard marine grade steel, SS 904L is more of a "super" austenitic grade. It is far richer in Nickel (25 percent) and Molybdenum (4.5 percent) and has the added Copper, which imparts far superior resistiveness to warm acids and chloride-induced stress corrosion cracking in comparison to 316L.
Higher price of the 904L stainless steel pipe is because it is of high alloy. Its high levels of Nickel and Molybdenum two costly raw materials are demanded to give it its outstanding resistance to corrosion in severe chemical conditions.
No, Alloy 904L is an all austenitic alloy and it does not get magnetic under any conditions, even after welding or cold working.
Yes, it is strongly suggested to be used in seawater applications. It has good resistance to pitting and crevice corrosion and is a cheaper replacement to those with high-nickel alloys or titanium in desalination and maritime cooling systems.
SS 904L may be welded by the normal procedure (MIG, TIG, etc.). Nevertheless, it is a high-purity alloy, and thus low heat input should be sought after to avoid hot cracking. Generally no pre-heat or after-weld heat treatment is necessary.
Yes, our 904L pipes are all supplied with a 3.1 or 3.2 Mill Test Certificate according to EN 10204 and thus fully traceable and to the standards of chemical and mechanical property.
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