inconel 904L
| Specification 904L Round Bar Details | |
|---|---|
| Product Name | 904L Round Bar |
| Material Grade | 904L Stainless Steel / Alloy 904L |
| UNS Designation | UNS N08904 |
| Werkstoff Number | W.Nr. 1.4539 |
| Material Type | Super-Austenitic Stainless Steel |
| Chemical Composition | Chromium 19–23%, Nickel 23–28%, Molybdenum 4–5%, Copper 1–2%, Carbon 0.020% max, Manganese 2.0% max, Silicon 1.0% max |
| Manufacturing Type | Hot Rolled / Cold Drawn / Forged / Ground |
| Round Bar Standard | ASTM B649 / ASME SB649 |
| Stainless Steel Bar Standard | ASTM A276 / ASME SA276, where applicable |
| Forged Bar Standard | ASTM A479 / ASME SA479, where applicable |
| Diameter | As per Standard / Customer Requirement |
| Diameter Range | Approximately 3 mm to 500 mm, depending on manufacturing capability |
| Length | Standard 1–6 m / Fixed or Customized Length |
| Tolerance | h7, h8, h9, h10, h11 or as required |
| Surface Finish | Black / Bright / Peeled / Ground / Polished / Machined |
| Heat Treatment | Solution Annealed |
| Condition | Annealed / Cold Drawn / Ground / Polished |
| MTC | EN 10204 3.1 / 3.2 |
| Testing | Chemical, Mechanical, Dimensional, Visual, Hardness, Ultrasonic and NDT as specified |
| Tensile Strength | Minimum approximately 490 MPa |
| Yield Strength | Minimum approximately 220 MPa |
| Elongation | Minimum approximately 35% |
| Density | Approximately 8.0 g/cm³ |
| Melting Range | Approximately 1350–1400°C |
| Corrosion Resistance | Excellent resistance to pitting, crevice corrosion, general corrosion and chloride environments |
| Acid Resistance | Excellent resistance to sulfuric acid and many other aggressive acids |
| Welding | Excellent weldability with suitable 904L-compatible filler metals |
| Available Form | Round Bar / Rod / Precision Ground Bar |
| Customization | Diameter, Length, Tolerance, Finish, Heat Treatment, Testing and Documentation |
| Origin | European / American / Japanese / Korean and other approved origins |
| Export Supply | Worldwide Export Supply |
| Exporter Support | Technical specification, inspection, certification, export packing and international shipment coordination |
| Applications | Chemical Processing, Pharmaceutical, Petrochemical, Marine, Oil & Gas, Pulp & Paper, Heat Exchangers, Acid Processing, Water Treatment and Process Industries |
904L Round Bar – Standard Dimensions
| Diameter (mm) | Diameter (in.) | Weight (kg/m) | Weight (lb/ft) |
|---|---|---|---|
| 5 | 0.197 | 0.157 | 0.106 |
| 6 | 0.236 | 0.226 | 0.152 |
| 8 | 0.315 | 0.402 | 0.270 |
| 10 | 0.394 | 0.628 | 0.422 |
| 12 | 0.472 | 0.905 | 0.608 |
| 14 | 0.551 | 1.232 | 0.828 |
| 16 | 0.630 | 1.608 | 1.081 |
| 18 | 0.709 | 2.036 | 1.368 |
| 20 | 0.787 | 2.513 | 1.689 |
| 22 | 0.866 | 3.038 | 2.042 |
| 25 | 0.984 | 3.925 | 2.638 |
| 28 | 1.102 | 4.925 | 3.310 |
| 30 | 1.181 | 5.655 | 3.800 |
| 32 | 1.260 | 6.434 | 4.323 |
| 36 | 1.417 | 8.142 | 5.471 |
| 40 | 1.575 | 10.053 | 6.758 |
| 45 | 1.772 | 12.723 | 8.553 |
| 50 | 1.969 | 15.708 | 10.557 |
| 56 | 2.205 | 19.715 | 13.249 |
| 63 | 2.480 | 24.957 | 16.767 |
| 71 | 2.795 | 31.700 | 21.303 |
| 80 | 3.150 | 40.212 | 27.018 |
| 90 | 3.543 | 50.893 | 34.200 |
| 100 | 3.937 | 62.832 | 42.208 |
| 110 | 4.331 | 76.026 | 51.075 |
| 125 | 4.921 | 98.175 | 65.963 |
| 150 | 5.906 | 141.372 | 94.969 |
| 175 | 6.890 | 192.423 | 129.306 |
| 200 | 7.874 | 251.327 | 168.864 |
904L Round Bar – Inch / US Bar Sizes
| US Bar Size | Diameter (in.) | Diameter (mm) | Approx. Weight (kg/m) |
|---|---|---|---|
| #2 | 0.250 | 6.35 | 0.253 |
| #3 | 0.375 | 9.53 | 0.572 |
| #4 | 0.500 | 12.70 | 1.012 |
| #5 | 0.625 | 15.88 | 1.582 |
| #6 | 0.750 | 19.05 | 2.276 |
| #7 | 0.875 | 22.23 | 3.101 |
| #8 | 1.000 | 25.40 | 4.053 |
| #9 | 1.125 | 28.58 | 5.131 |
| #10 | 1.250 | 31.75 | 6.328 |
| #11 | 1.375 | 34.93 | 7.658 |
| #12 | 1.500 | 38.10 | 9.103 |
| #13 | 1.625 | 41.28 | 10.690 |
| #14 | 1.750 | 44.45 | 12.420 |
| #15 | 1.875 | 47.63 | 14.260 |
| #16 | 2.000 | 50.80 | 16.212 |
| #18 | 2.250 | 57.15 | 20.515 |
| #20 | 2.500 | 63.50 | 25.330 |
904L Round Bar – Size & Tolerance Chart
| Diameter Range | Available Finish | Typical Tolerance | Supply Condition |
|---|---|---|---|
| 3–10 mm | Bright / Cold Drawn / Ground | h8 / h9 / h10 / h11 | Solution Annealed |
| 10–25 mm | Bright / Cold Drawn / Polished | h8 / h9 / h10 / h11 | Solution Annealed |
| 25–50 mm | Cold Drawn / Peeled / Ground | h9 / h10 / h11 | Solution Annealed |
| 50–75 mm | Peeled / Ground / Polished | h10 / h11 | Solution Annealed |
| 75–100 mm | Peeled / Machined / Ground | h11 | Solution Annealed |
| 100–150 mm | Hot Rolled / Peeled / Machined | h11 / Customer Requirement | Solution Annealed |
| 150–250 mm | Hot Rolled / Forged / Machined | Customer Requirement | Solution Annealed |
| 250–350 mm | Forged / Rough Machined | Customer Requirement | Solution Annealed |
| 350–500 mm | Forged / Custom Machined | Customer Requirement | Solution Annealed |
Why Should You Buy 904L Pipes from Metalx Nickel & Alloys?
- Experienced 904L Pipe Supplier & Exporter serving international buyers, distributors, EPC contractors, stockholders and industrial end users.
- 20+ Years of Alloy Industry Experience in supplying corrosion-resistant stainless steel and nickel alloy products to customers across the UAE, Saudi Arabia, Africa and other global markets.
- Specialized 904L Exporter offering 904L / UNS N08904 / 1.4539 pipes for demanding chemical and industrial applications.
- Global Sourcing Network with access to reputed stainless steel mills, manufacturers and approved stockholders across Europe, USA, Japan and other major supply markets.
- Wide Product Range including 904L, Duplex 2205, Super Duplex 2507, Incoloy, Inconel, Hastelloy, Monel and other specialized alloys.
- Ready Stock Availability for selected 904L Pipe sizes, subject to current stock and availability.
- Custom 904L Pipe Supply according to customer drawings, outside diameter, wall thickness, schedule, length and project specifications.
- Cut-to-Size Service available for applicable sizes and customer requirements.
- ASTM / ASME Specification Supply according to applicable 904L Pipe standards and project requirements.
- MTC with Quotation – Material Test Certificates and relevant technical documentation can be provided with export quotations and orders.
- EN 10204 3.1 / 3.2 Certification available according to the purchase order, project specification and inspection requirements.
- Third-Party Inspection Support can be coordinated through approved inspection agencies for international export orders.
- Chemical, Mechanical & Dimensional Testing can be arranged according to applicable standards and customer specifications.
- Hydrostatic & NDT Support can be arranged where required by the applicable specification or purchase order.
- Heat Treatment Support – Solution-annealed material can be supplied according to applicable material requirements.
- Export-Ready Packing designed to protect 904L Pipes during handling, storage and international transportation.
- Worldwide 904L Pipe Exporter serving buyers across the Middle East, Africa, Asia, Europe and other international markets.
- Competitive Export Pricing for bulk quantities, project orders, distributors, importers, traders and international stockholders.
- 904L Pipe Export Support for EPC contractors, chemical plants, pharmaceutical companies, petrochemical facilities, heat exchanger manufacturers and specialized industrial buyers.
- Technical Support from Export Enquiry to Shipment covering grade, size, schedule, wall thickness, testing, certification and packing requirements.
- Material Traceability with appropriate identification, certification and quality documentation for export projects.
- Data Sheets & Technical Documentation can be supplied according to customer requirements and project specifications.
- Global Logistics Coordination for 904L Pipe shipments to the UAE, Saudi Arabia, Qatar, Oman, Africa, Singapore, Europe and other destinations.
Key Features of 904L Pipes
- Excellent Corrosion Resistance – 904L provides excellent resistance to a wide range of aggressive chemical environments.
- High-Alloy Austenitic Stainless Steel – Designed for applications where conventional stainless steel grades may not provide sufficient corrosion resistance.
- Excellent Sulfuric Acid Resistance – Particularly valued for resistance to sulfuric acid under suitable service conditions.
- Good Phosphoric Acid Resistance – Suitable for selected phosphoric acid processing environments.
- Excellent Pitting Resistance – High chromium, molybdenum and nitrogen content contributes to strong resistance against localized corrosion.
- Excellent Crevice Corrosion Resistance – Suitable for environments where crevice corrosion can be a significant concern.
- Good Chloride Resistance – Provides improved resistance to chloride-containing environments.
- Good Stress Corrosion Cracking Resistance – Offers useful resistance to stress corrosion cracking in many applications.
- High Nickel Content – Elevated nickel content supports corrosion resistance and structural stability.
- Low Carbon Composition – Low carbon content helps reduce the risk of sensitization during welding.
- Seamless & Welded Options – Available in seamless and welded configurations according to applicable specifications.
- Wide Dimensional Availability – Outside diameter, wall thickness, schedules and lengths can be supplied according to project requirements.
- Customized Pipe Supply – METALX NICKEL & ALLOYS can support customized dimensions, lengths, finishes, testing and documentation.
- Chemical Processing Applications – Suitable for aggressive chemical processing systems and process piping.
- Pharmaceutical Applications – Used in selected pharmaceutical and hygienic process equipment requiring high corrosion resistance.
- Petrochemical Applications – Suitable for selected petrochemical and refinery process environments.
- Heat Exchanger Applications – Can be considered for heat-transfer equipment exposed to corrosive process fluids.
- Marine Applications – Useful for selected seawater and marine applications requiring enhanced corrosion resistance.
- Pollution-Control Applications – Can be used in selected pollution-control and environmental processing equipment.
- Reliable Material Traceability – Material certificates and inspection documentation can be supplied according to order requirements.
- Quality Testing Available – Chemical, mechanical, dimensional, hydrostatic, visual, NDT and other specified inspections can be arranged.
- Export-Ready Material – Pipes can be prepared with suitable export packing for safe international transportation.
- Global 904L Pipe Exporter – METALX NICKEL & ALLOYS supplies 904L Pipes to international buyers, distributors, traders, stockholders and industrial end users.
| Specification | 904L Pipe Details |
|---|---|
| Product Name | 904L Stainless Steel Pipes |
| Grade | 904L |
| UNS Designation | N08904 |
| Material Number | 1.4539 |
| Material Type | High-Alloy Austenitic Stainless Steel |
| Manufacturing | Seamless / Welded, as required |
| Applicable Standards | ASTM / ASME specifications as applicable |
| Common Standards | ASTM B677 / ASTM B673, where applicable to product form |
| Outside Diameter | As per customer requirement |
| Wall Thickness | Available in different schedules and customized thicknesses |
| Length | Standard, random and customized lengths |
| Form | Round Pipes / Straight Lengths |
| Surface Finish | Annealed, pickled, polished or as required |
| Heat Treatment | Solution annealed as applicable |
| End Preparation | Plain, beveled, threaded or as specified |
| Testing | Chemical, mechanical, dimensional, hydrostatic, visual, NDT and other specified tests |
| Corrosion Resistance | Excellent resistance to aggressive chemical environments |
| Acid Resistance | Excellent resistance to sulfuric and phosphoric acid under suitable conditions |
| Pitting Resistance | High resistance to pitting and crevice corrosion |
| Stress Corrosion Resistance | Good resistance to stress corrosion cracking in suitable environments |
| Applications | Chemical processing, pharmaceutical, petrochemical, heat exchangers, pollution-control equipment, marine systems and process piping |
| Customization | Size, wall thickness, schedule, length, finish, testing and documentation as required |
| Packing | Export-worthy packing suitable for safe international transportation |
| Export Supply | Available for international buyers, distributors, EPC contractors and industrial end users |
1. What are 904L Pipes?
904L Pipes are manufactured from a high-alloy austenitic stainless steel designed for excellent resistance to aggressive chemicals, acids, pitting, crevice corrosion and chloride-containing environmen
2. What is the UNS designation of 904L?
The UNS designation of 904L is UNS N08904.
3. What is the material number of 904L?
The material number is 1.4539.
4. Is 904L an Inconel alloy?
No. 904L is technically a high-alloy austenitic stainless steel, not an Inconel alloy. For technically accurate website content, use 904L Stainless Steel Pipe or Alloy 904L Pipe.
5. Is 904L available in seamless and welded forms?
Yes. 904L Pipes can be supplied in seamless and welded configurations according to applicable standards and customer requirements.
6. What are the main applications of 904L Pipes?
904L is commonly considered for chemical processing, pharmaceutical equipment, petrochemical plants, heat exchangers, pollution-control systems, marine applications and corrosive process piping.