incoloy 904L
| Specification 904L Pipe Details | |
|---|---|
| Product Name | 904L Pipe |
| Material Grade | 904L / Alloy 904L / 904L Stainless Steel |
| 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 2.00% max, Silicon 1.00% max, Iron Balance |
| Manufacturing Type | Seamless / Welded |
| Seamless Pipe Standard | ASTM B677 / ASME SB677 |
| Welded Pipe Standard | ASTM B673 / ASME SA/ASTM B673, as applicable |
| Seamless Tube Standard | ASTM B677 / ASME SB677 |
| Welded Tube Standard | ASTM B674 / ASME SB674 |
| Outside Diameter | As per standard / Customer Requirement |
| OD Range | Commonly available from approximately 6.35 mm to 610 mm, depending on product form and supplier capability |
| Wall Thickness | As per Schedule / Customer Requirement |
| Pipe Schedule | SCH 5S, 10S, 20, 40S, 40, 60, 80S, 80, 100, 120, 140, 160, XXS and as required |
| Length | Single Random / Double Random / Fixed or Customized Length |
| End Type | Plain End / Beveled End / Threaded & Coupled, as specified |
| Surface Finish | Mill Finish / Pickled / Solution Annealed / Polished / Customized |
| Heat Treatment | Solution Annealed |
| MTC | EN 10204 3.1 / 3.2 |
| Testing | Chemical, Mechanical, Dimensional, Visual, Hydrostatic 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 |
| Corrosion Resistance | Excellent resistance to sulfuric acid, phosphoric acid, seawater, pitting, crevice corrosion and stress-corrosion cracking |
| Pitting Resistance | High pitting and crevice corrosion resistance due to high Chromium and Molybdenum content |
| Weldability | Excellent weldability with good resistance to intergranular corrosion |
| Filler Metal | ER385 / 904L compatible filler |
| Welding Electrode | E385 |
| Available Form | Round Pipe / Tube |
| Customization | OD, WT, Schedule, Length, 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, Sulfuric Acid Plants, Phosphoric Acid Plants, Petrochemical, Pharmaceutical, Marine, Seawater Equipment, Pollution Control, Heat Exchangers and Process Industries |
904L Pipe – Standard Dimensions
| Size (NPS) | OD (in.) | WT (in.) | OD (mm) | WT (mm) |
|---|---|---|---|---|
| 20″ | 20.000 | 0.594 | 508.0 | 15.09 |
| 18″ | 18.000 | 0.562 | 457.0 | 14.27 |
| 16″ | 16.000 | 0.500 | 406.4 | 12.70 |
| 14″ | 14.000 | 0.437 | 355.6 | 11.13 |
| 12″ | 12.750 | 0.406 | 323.8 | 10.31 |
| 10″ | 10.750 | 0.365 | 273.0 | 9.27 |
| 8″ | 8.625 | 0.322 | 219.1 | 8.18 |
| 6″ | 6.625 | 0.280 | 168.3 | 7.11 |
| 5″ | 5.563 | 0.258 | 141.3 | 6.55 |
| 4″ | 4.500 | 0.237 | 114.3 | 6.02 |
| 3 1/2″ | 4.000 | 0.226 | 101.6 | 5.74 |
| 3″ | 3.500 | 0.216 | 88.9 | 5.49 |
| 2 1/2″ | 2.875 | 0.203 | 73.0 | 5.16 |
| 2″ | 2.375 | 0.154 | 60.3 | 3.91 |
| 1 1/2″ | 1.900 | 0.145 | 48.3 | 3.68 |
| 1 1/4″ | 1.660 | 0.140 | 42.2 | 3.56 |
| 1″ | 1.315 | 0.133 | 33.4 | 3.38 |
| 3/4″ | 1.050 | 0.113 | 26.7 | 2.87 |
| 1/2″ | 0.840 | 0.109 | 21.3 | 2.77 |
| 3/8″ | 0.675 | 0.091 | 17.1 | 2.31 |
| 1/4″ | 0.540 | 0.088 | 13.7 | 2.24 |
| 1/8″ | 0.405 | 0.068 | 10.3 | 1.73 |
Dimensions of ASTM B677 UNS N08904 904L Pipe
| Size (NPS) | OD (mm) | OD (in.) | WT (mm) | WT (in.) | Schedule | Weight (kg/m) |
|---|---|---|---|---|---|---|
| 1/2″ | 21.34 | 0.840 | 2.11 | 0.083 | 10S | 1.02 |
| 1/2″ | 21.34 | 0.840 | 2.77 | 0.109 | 40S | 1.29 |
| 1/2″ | 21.34 | 0.840 | 3.73 | 0.147 | 80S | 1.65 |
| 3/4″ | 26.67 | 1.050 | 2.11 | 0.083 | 10S | 1.30 |
| 3/4″ | 26.67 | 1.050 | 2.87 | 0.113 | 40S | 1.71 |
| 3/4″ | 26.67 | 1.050 | 3.91 | 0.154 | 80S | 2.23 |
| 1″ | 33.40 | 1.315 | 2.77 | 0.109 | 10S | 2.13 |
| 1″ | 33.40 | 1.315 | 3.38 | 0.133 | 40S | 2.54 |
| 1″ | 33.40 | 1.315 | 4.55 | 0.179 | 80S | 3.29 |
| 1 1/4″ | 42.16 | 1.660 | 2.77 | 0.109 | 10S | 2.73 |
| 1 1/4″ | 42.16 | 1.660 | 3.56 | 0.140 | 40S | 3.44 |
| 1 1/4″ | 42.16 | 1.660 | 4.85 | 0.191 | 80S | 4.53 |
| 1 1/2″ | 48.26 | 1.900 | 2.77 | 0.109 | 10S | 3.16 |
| 1 1/2″ | 48.26 | 1.900 | 3.68 | 0.145 | 40S | 4.11 |
| 1 1/2″ | 48.26 | 1.900 | 5.08 | 0.200 | 80S | 5.49 |
| 2″ | 60.33 | 2.375 | 2.77 | 0.109 | 10S | 3.99 |
| 2″ | 60.33 | 2.375 | 3.91 | 0.154 | 40S | 5.52 |
| 2″ | 60.33 | 2.375 | 5.54 | 0.218 | 80S | 7.60 |
| 2 1/2″ | 73.03 | 2.875 | 3.05 | 0.120 | 10S | 5.35 |
| 2 1/2″ | 73.03 | 2.875 | 5.16 | 0.203 | 40S | 8.77 |
| 2 1/2″ | 73.03 | 2.875 | 7.01 | 0.276 | 80S | 11.59 |
| 3″ | 88.90 | 3.500 | 3.05 | 0.120 | 10S | 6.56 |
| 3″ | 88.90 | 3.500 | 5.49 | 0.216 | 40S | 11.47 |
| 3″ | 88.90 | 3.500 | 7.62 | 0.300 | 80S | 15.51 |
| 4″ | 114.30 | 4.500 | 3.05 | 0.120 | 10S | 8.50 |
| 4″ | 114.30 | 4.500 | 6.02 | 0.237 | 40S | 16.32 |
| 4″ | 114.30 | 4.500 | 8.56 | 0.337 | 80S | 22.67 |
| 5″ | 141.30 | 5.563 | 6.55 | 0.258 | 40S | 22.10 |
| 5″ | 141.30 | 5.563 | 9.53 | 0.375 | 80S | 31.44 |
| 6″ | 168.28 | 6.625 | 7.11 | 0.280 | 40S | 28.69 |
| 6″ | 168.28 | 6.625 | 10.97 | 0.432 | 80S | 43.21 |
| 8″ | 219.08 | 8.625 | 8.18 | 0.322 | 40S | 43.20 |
| 8″ | 219.08 | 8.625 | 12.70 | 0.500 | 80S | 65.63 |
| 10″ | 273.05 | 10.750 | 9.27 | 0.365 | 40 | 60.00 |
| 10″ | 273.05 | 10.750 | 15.09 | 0.594 | 80 | 95.00 |
| 12″ | 323.85 | 12.750 | 10.31 | 0.406 | 40 | 80.00 |
| 12″ | 323.85 | 12.750 | 17.45 | 0.687 | 80 | 131.00 |
904L Pipe – Schedule Chart
| Nominal Size | O.D. (in.) | 160 | 80 | 80S & E.H. | 40 | 40S & Std | 10 | 10S |
|---|---|---|---|---|---|---|---|---|
| 1/8″ | 0.405 | — | 0.095 | 0.095 | 0.068 | 0.068 | 0.049 | 0.049 |
| 1/4″ | 0.540 | — | 0.119 | 0.119 | 0.088 | 0.088 | 0.065 | 0.065 |
| 3/8″ | 0.675 | — | 0.126 | 0.126 | 0.091 | 0.091 | 0.065 | 0.065 |
| 1/2″ | 0.840 | 0.187 | 0.147 | 0.147 | 0.109 | 0.109 | 0.083 | 0.083 |
| 3/4″ | 1.050 | 0.218 | 0.154 | 0.154 | 0.113 | 0.113 | 0.083 | 0.083 |
| 1″ | 1.315 | 0.250 | 0.179 | 0.179 | 0.133 | 0.133 | 0.109 | 0.109 |
| 1 1/4″ | 1.660 | 0.250 | 0.191 | 0.191 | 0.140 | 0.140 | 0.109 | 0.109 |
| 1 1/2″ | 1.900 | 0.281 | 0.200 | 0.200 | 0.145 | 0.145 | 0.109 | 0.109 |
| 2″ | 2.375 | 0.343 | 0.218 | 0.218 | 0.154 | 0.154 | 0.109 | 0.109 |
| 2 1/2″ | 2.875 | 0.375 | 0.276 | 0.276 | 0.203 | 0.203 | 0.120 | 0.120 |
| 3″ | 3.500 | 0.437 | 0.300 | 0.300 | 0.216 | 0.216 | 0.120 | 0.120 |
| 3 1/2″ | 4.000 | — | 0.318 | 0.318 | 0.226 | 0.226 | 0.120 | 0.120 |
| 4″ | 4.500 | 0.531 | 0.337 | 0.337 | 0.237 | 0.237 | 0.120 | 0.120 |
| 5″ | 5.563 | 0.625 | 0.375 | 0.375 | 0.258 | 0.258 | 0.134 | 0.134 |
| 6″ | 6.625 | 0.718 | 0.432 | 0.432 | 0.280 | 0.280 | 0.134 | 0.134 |
| 8″ | 8.625 | 0.906 | 0.500 | 0.500 | 0.322 | 0.322 | 0.148 | 0.148 |
| 10″ | 10.750 | 1.125 | 0.593 | 0.500 | 0.365 | 0.365 | 0.165 | 0.165 |
| 12″ | 12.750 | 1.312 | 0.687 | 0.500 | 0.406 | 0.375 | 0.180 | 0.180 |
| 14″ | 14.000 | 1.406 | 0.750 | 0.500 | 0.437 | 0.375 | 0.188 | 0.188 |
| 16″ | 16.000 | 1.593 | 0.843 | 0.500 | 0.500 | 0.375 | 0.188 | 0.188 |
| 18″ | 18.000 | 1.781 | 0.937 | 0.500 | 0.562 | 0.375 | 0.188 | 0.188 |
| 20″ | 20.000 | 1.968 | 1.031 | 0.500 | 0.593 | 0.375 | 0.218 | 0.218 |
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 Pipe Exporter offering 904L / UNS N08904 / 1.4539 pipes for demanding chemical and industrial applications.
- Global Sourcing Network with access to reputed stainless steel and alloy mills, manufacturers and approved stockholders across Europe, USA, Japan and other major supply markets.
- Wide Alloy Product Range including 904L, Incoloy 800H, Incoloy 800HT, 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 the applicable 904L Pipe standard 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.
- 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 demanding applications where conventional stainless steels may not provide sufficient corrosion resistance.
- Excellent Sulfuric Acid Resistance – Particularly valued for resistance to sulfuric acid across a range of concentrations and service conditions.
- Good Phosphoric Acid Resistance – Suitable for selected phosphoric acid processing environments.
- Excellent Pitting Resistance – High chromium, molybdenum and nitrogen levels contribute 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 compared with standard austenitic stainless steels.
- 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 in demanding environments.
- Low Carbon Grade – 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.
- Seawater Applications – Useful for selected marine and seawater-handling systems 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 Pipe / 904L Stainless Steel Pipe |
| Material 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 sulfuric acid, phosphoric acid and chloride-containing environments |
| Pitting Resistance | High resistance to pitting and crevice corrosion |
| Applications | Chemical processing, pharmaceutical equipment, petrochemical plants, heat exchangers, pollution-control equipment, seawater 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 is 904L Pipe?
904L Pipe is manufactured from a high-alloy austenitic stainless steel developed for applications requiring excellent resistance to aggressive chemicals, pitting, crevice corrosion and chloride-containing environments.
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 European material number for 904L is 1.4539.
4. Is 904L an Incoloy alloy?
No. 904L is technically a high-alloy austenitic stainless steel, not an Incoloy nickel alloy. For accurate product naming, it is better to use 904L Stainless Steel Pipe / 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. Why is Incoloy 800H suitable for high-temperature applications?
Its controlled composition provides useful creep and rupture strength, while nickel and chromium contribute to oxidation and corrosion resistance at elevated temperatures.