904L Stainless Steel Tubes Supplier and Exporter | UNS N08904, DIN 1.4539 & AISI 904L | Leoscor Alloy Pipes
904L Stainless Steel Tubes are high-alloy austenitic stainless steel tubes designed for applications requiring exceptional corrosion resistance and long-term durability in aggressive environments. The combination of chromium, nickel, molybdenum, and copper provides excellent resistance against pitting, crevice corrosion, and stress corrosion cracking.
Leoscor Alloy Pipes is a trusted supplier, stockist, and exporter of SS 904L Tubes, offering seamless and welded tube solutions for industries where standard stainless steel grades may not provide sufficient corrosion protection. These tubes are available in different sizes, wall thicknesses, finishes, and shapes according to industrial requirements.
904L Stainless Steel Tubes are highly alloyed austenitic stainless steel tubes developed for severe corrosion environments. The high nickel and molybdenum content improves resistance against acids, chlorides, and other aggressive chemical media.
These tubes provide excellent durability and stable performance in marine systems, chemical processing plants, pharmaceutical equipment, heat exchangers, and industrial applications. UNS N08904 Tubes are also known as DIN 1.4539 Tubes and AISI 904L Tubes according to different international standards.
904L Stainless Steel Tubes are available in seamless and welded forms and can be supplied in different shapes including round, square, rectangular, oval, and hollow sections. The selection of tube size, wall thickness, pressure rating, and operating conditions depends on the application requirements.
Equivalent Names of 904L Stainless Steel Tubes
| Equivalent Name | Standard / Country | Explanation |
|---|---|---|
| UNS N08904 Tubes | USA (Unified Numbering System) | Material designation used for 904L stainless steel tubes. |
| DIN 1.4539 Tubes | Germany / Europe (DIN Standard) | European material number used for 904L stainless steel tubes. |
| AISI 904L Tubes | USA (AISI Standard) | Common grade designation used for 904L stainless steel tubes. |
Key Features of 904L Stainless Steel Tubes
- Excellent Corrosion Resistance: Suitable for highly corrosive environments.
- High Nickel and Molybdenum Content: Improves resistance against acids and chloride conditions.
- Pitting and Crevice Corrosion Resistance: Provides reliable performance in marine and chemical applications.
- Stress Corrosion Cracking Resistance: Suitable for demanding service conditions.
- Long Service Life: Designed for continuous industrial operation.
- Good Weldability: Available for fabricated and welded applications.
- Multiple Forms Available: Supplied in seamless, welded, and customized tube forms.
SS 904L Tubes Specifications
Standard specifications for SS 904L Tubes. If any specification is not mentioned here, you can contact us. We also manufacture and export custom specifications as per client’s requirements.
| Specifications | Details |
|---|---|
| Specifications | ASTM A674 / ASME SB674 / ASME SB677 |
| Dimensions | ASTM, ASME and API |
| SS 904L Tubes | 1/8″ NB to 30″ NB |
| Thickness | 0.35 mm to 6.35 mm OD, with thickness ranging from 0.1 mm to 1.2 mm. |
| Schedule | SCH 20, SCH 30, SCH 40, STD, SCH 80, XS, SCH 60, SCH 80, SCH 120, SCH 140, SCH 160, XXS |
| Type | Seamless / ERW / Welded / Fabricated / LSAW Tubes |
| Form | Round, Square, Rectangular, Hydraulic Tubes |
| Length | Single Random, Double Random & Cut Length |
| End | Plain End, Beveled End, Threaded |
904L Stainless Steel Welded Tubes - Industries & Applications
Our pipes and tubes are used in a wide range of applications and various industries. Below are a few of them:
- Gas Processing Industries
- Petrochemical Industries
- Power Generation Industries
- Food Processing Industries
- Chemical Industries
- Oil & Gas Industries
- Fertilizers Industries
- Sugar Industries
904L SS Seamless Tubes Chemical Composition
| Grade | 904L | |
|---|---|---|
| min | max | |
| C | – | 0.20 |
| Mn | – | 2.0 |
| Si | – | 1.0 |
| P | – | 0.045 |
| S | – | 0.035 |
| Cr | 19.0 | 23.0 |
| Mo | 4.0 | 5.0 |
| Ni | 23.0 | 28.0 |
| Cu | 1.0 | 2.0 |
ASTM B674 SS 904L Welded Tubes Mechanical Properties
| Grade | 904L | |
|---|---|---|
| Tensile Strength (MPa) min | 490 | |
| Yield Strength 0.2% Proof (MPa) min | 220 | |
| Elongation (% in 50mm) min | 35 | |
| Hardness | Rockwell B (HR B) max | 70-90 typical |
| Brinell (HB) max | – | |
Stainless Steel 904L Tubes Physical Properties
| Grade | 904L | |
|---|---|---|
| Density (kg/m3) | 7500 | |
| Elastic Modulus (GPa) | 200 | |
| Mean Coefficient of Thermal Expansion (m/m/0C) | 0-1000C | 15.0 |
| 0-3150C | – | |
| 0-5380C | – | |
| Thermal Conductivity (W/m.K) | at 1000C | 13 |
| at 5000C | – | |
| Specific Heat 0-1000C (J/kg.K) | 500 | |
| Electrical Resistivity (n.m) | 850 | |
SS 904L Tubes Equivalent Grades
| Grade | 904L | |
| UNS No | S08904 | |
| Old British | BS | 904S13 |
| En | X1NiCrMoCu25-20-5 | |
| Euronorm | No | 1.4539 |
| AFNOR | Z2 NCDU 25-20 | |
| KS | STS 317J5L | |
| Japanese JIS | SUS 904L | |
Types of Stainless Steel 904L Tubes
| Stainless Steel 904L Welded Tubes | 904L SS Welded Tubes |
| 904L Stainless Steel Seamless Tubes | SS 904L Seamless Tubes |
| SS 904L ERW Tubes | 904L Stainless Steel ERW Tubes |
| 904L SS Fabricated Tubes | Stainless Steel 904L Fabricated Tubes |
| SS 904L LSAW Tubes | 904L Stainless Steel LSAW Tubes |
| 904L Stainless Steel Polished Tubes | SS 904L Polished Tubes |
| Stainless Steel 904L Cold Drawn Tubes | 904L SS Cold Drawn Tubes |
| 904L SS Hot Rolled Tubes | Stainless Steel 904L Hot Rolled Tubes |
| SS 904L Cold Rolled Tubes | 904L Stainless Steel Cold Rolled Tubes |
| Stainless Steel 904L Square Tubes | 904L SS Round Tubes |
| 904L SS Hexagonal Tubes | Stainless Steel 904L Tubes |
Stainless Steel 904L Tubes Price List
Leoscor Alloys is one of the most competitive suppliers of pipes and tubes from India. Our prices for SS 904L Tubes are very competitive.
Please click on the request a quote button or click here to request the updated price list and ready stock information along with your requirement. Leoscor Alloys maintains a stock of all standard items and can export them at best price for 904L Stainless Steel Seamless and Welded Tubes.
ASTM B677 SS 904L Tubing Stock Availability
We maintain huge inventories of all standard sizes and grades. Please send us your complete requirement and we will send you the availability with the best quote for Stainless Steel 904L Tubes.
- Huge inventory of all standard sizes and grades.
- Distributors of all reputed origins and manufacturers.
- Strict quality control policies and highly experienced team.
- Strong logistics & delivery channels.
- Modern Infrastructure with huge storage capacity.
- An ISO 9000:2015 Certified Company.
Prominent Countries where we export 904L SS Tubes
Exporting Pipes & Tubes to Singapore, Malaysia, Hongkong, Thailand, Indonesia, Taiwan. Other countires includes Afghanistan, Albania, Andorra, Austria, Bahrain, Bangladesh, Bhutan, Brunei, Belarus, Belgium, Bulgaria, Cambodia, China, Cyprus, Croatia, Czech Republic, Denmark, Estonia, Egypt, Finland, France, Germany, Greece, Georgia, Hungary, Iceland, Ireland, Italy, Iran, Iraq, Israel, Japan, Jordan, Kazakhstan, Kuwait, Kyrgyzstan, Lebanon, Latvia, Latin America, Liechtenstein, Lithuania, Luxembourg, Malta, Moldova, Monaco, Maldives, Mongolia, Myanmar (Burma), Nepal, North Korea, Netherlands, Norway, Oman, Poland, Portugal, Pakistan, Palestine, Philippines, Qatar, Russia, Romania, Russia, San Marino, Serbia and Montenegro, Slovakia, Slovenia, Spain, Sweden, Switzerland, Saudi Arabia, South Korea, South Africa, Sri Lanka, Syria, Tanzania, Tajikistan, Thailand, Turkey, Turkmenistan, Ukraine, United Kingdom, United Arab Emirates (UAE), Uzbekistan, Vietnam, Yemen.
We are one of the top:
- Tubes exporters to Singapore
- Tubes exporters to Malaysia
- Tubes exporters to Hongkong
- Tubes exporters to Thailand
- Tubes exporters to Indonesia
- Tubes exporters to Taiwan
Get Quote for Your Requirement
Contact Leoscor Alloys Pipes for high quality industrial pipes and tubes.









