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| Categories | Stainless Steel Pipe |
|---|---|
| Brand Name: | DELTA |
| Model Number: | 904L / 1.4539 |
| Certification: | ISO |
| Place of Origin: | China |
| MOQ: | 500 kgs |
| Price: | 4650-5760 USD/Ton |
| Payment Terms: | T/T, Western Union, L/C |
| Supply Ability: | 10 Ton per week |
| Delivery Time: | 5 - 12 days based on the quantity |
| Packaging Details: | standard packing for export |
| Products: | Stainless Steel Pipe |
| Grade: | 904L |
| Standard: | ASTM GB EN |
| Length: | 6m or custom cutting any length as request |
| Diameter: | DN10 - DN400 |
| Wall thickness: | SCH10 - XXS or unstandard size |
| Type: | seamless pipe |
| Service: | cutting, polishing |
| application: | Industrial |
| Packing: | wooden box or PP bag |
| Company Info. |
| JIANGSU MITTEL STEEL INDUSTRIAL LIMITED |
| Verified Supplier |
| View Contact Details |
| Product List |
DN5- DN600 Seamless and Welded 904L Stainless Steel Pipe Tube in 5.8m 6m Length
| Material | Alloy 904L 1.4539 N08904 X1NiCrMoCu25-20-5 |
| Alloy 904l Tubing Standards | ASTM B/ASME SB674 / SB677, ASTM A312/ ASME SA312 |
| Standard Specification for UNS N08904 Tubes | ASTM B677 UNS N08904, ASTM B673 UNS N08904, ASTM B674 UNS N08904 |
| Seamless Tube Size | 3.35 mm OD To 101.6 mm OD |
| Welded Tube Size | 6.35 mm OD To 152 mm OD |
| Swg & Bwg | 10 Swg., 12 Swg., 14 Swg., 16 Swg., 18 Swg., 20 Swg. |
| Schedule | SCH5, SCH10, SCH10S, SCH20, SCH30, SCH40, SCH40S, STD, SCH80, XS, SCH60, SCH80, SCH120, SCH140, SCH160, XXS |
| AISI 904l Tube wall thickness | 0.020″ –0.220″, (special wall thicknesses available) |
| Manufacturing Specifications | ASTM A312 ASTM A213 ASTM A269 BS EN 10216 pt.5 As per customer’s specifications. |
| Length | Single Random, Double Random, Standard & Cut length |
| Finish | Polished, AP (Annealed & Pickled), BA (Bright & Annealed), MF |
| 904L Steel Pipe Form | Straight, Coiled, Square Pipes/ Tubes, Rectangular Pipe/ Tubes, Coiled Tubes, Round Pipes/ Tubes, “U” Shape for heat exchangers, Hydraulic Tubes, Pan Cake Coils, Straight or ‘U’ bent Tubes, Hollow, LSAW Tubes Etc. |
| 904l Stainless Tube Type | Seamless, ERW, EFW, Welded, Fabricated |
| End | Plain End, Beveled End, Treaded |
| Marking | All Stainless Steel 904L tubes are marked as follows: Standard, Grade, OD, Thickness, Length, Heat No. (Or according to the customer’s request.) |
| Application | Oil Tube, Gas Tube, Fluid Tube, Boiler and Heatexchanger |
| Value Added Service | Draw & Expansion as per required Size & Length, Polish (Electro & Commercial) Annealed & Pickled Bending, Machining Etc. |
| Specialize in | 904L Stainless Steel Capillary Tube & Other Odd Size 904L Stainless Steel Heat Exchanger & Condenser Tubes |
| Top 10 Manufacturer of 904L Tubes | Posco Korea, VDM Germany, Tubacex, Nippon Steel Corporation, Sumitomo Japan, Indian Mills, Walsin, SP Metal, RONSCO, BAOSTEEL, JISCO, TISCO |
| Test Certificate | Manufacturer Test Certificate Laboratory Test Certificate from Govt. Approved Lab. Under Third Party Inspection |
904L Stainless Steel Seamless Tubes Surface Finish
| Surface Finish | Internal Surface(ID) | Exterbal Surface(OD) | |||
| Roughness Average(RA) | Roughness Average(RA) | ||||
| μ inch | μm | μ inch | μm | ||
| AP | Annealed & Pickled | Not defined | Not defined | 40 or Not defined | 1.0 or Not defined |
| BA | Beight Annealed | 40,32,25,20 | 1.0,0.8,0.6,0.5 | 32 | 0.8 |
| MP | Mechanical Polish | 40,32,25,20 | 1.0,0.8,0.6,0.5 | 32 | 0.8 |
| EP | Electro Polish | 15,10,7,5 | 0.38,0.25,0.20;0.13 | 32 | 0.8 |
Seamless 904L Stainless Steel Pipe, also known as ASTM B677 UNS N08904 Pipe, stands as a low-carbon, high-alloy austenitic stainless steel. This steel grade thrives in harsh corrosion conditions, originally designed for its corrosion resistance in dilute sulfuric acid.
With a fully austenitic structure, 904L exhibits lower sensitivity to precipitate ferrite and sigma phases compared to traditional molybdenum-rich austenitic grades. Its relatively high content of chromium, nickel, molybdenum, and copper translates into excellent corrosion resistance, particularly under sulfuric and phosphoric conditions.
Seamless 904L Stainless Steel Pipe offers exceptional formability, weldability, and toughness. It excels in resisting pitting and crevice corrosion, showcasing superb resistance to stress corrosion cracking and intergranular corrosion. The maximum operating temperature for this pipe reaches 450 degrees Celsius (824 degrees Fahrenheit).
Applications include sulfuric acid production and transport, metal pickling in sulfuric acid, phosphoric acid production and concentration, seawater handling, brackish water, condensers, heat exchangers, and general piping projects. It’s also utilized in pulp and paper industries, gas scrubbing, and chemical and pharmaceutical sectors.
Keep in mind that while 904L shares welding and forming characteristics with 316L, it cannot be hardened by heat treatment.
| Element | 904L |
|---|---|
| Chromium | 19.0–23.0 |
| Nickel | 23.0–28.0 |
| Carbon | ≤ 0.02 |
| Manganese | ≤ 2.00 |
| Phosphorus | ≤ 0.045 |
| Sulfur | ≤ 0.035 |
| Molybdenum | 4.0–5.0 |
| Nitrogen | ≤ 0.10 |
| Copper | 1.0–2.0 |
| Iron | Balance |
| Property | Value |
|---|---|
| Density, g/cm³ | 7.95 |
| Melting Range, °C (°F) | 1398 – 1446 (2550 – 2635) |
| Specific Heat Capacity, J/kg·K (Btu/lb ·°F) | 450 (0.12) at 20 °C |
| Electrical Resistivity, μΩ·m | 72 at 20 °C |
| Modulus of Elasticity, GPa (10⁶ psi) | 190 – 210 (27557 – 30458 ksi) |
| Thermal Conductivity, W/m·K (Btu/ft · h ·°F) | 11.5 (9.3) at 100 °C (212 °F) |
| Coefficient of Thermal Expansion, 10⁻⁶/K (μin./in. ·°F) | 15.8 mm/m/°C |
| Property | Value |
|---|---|
| Tensile Strength, MPa (ksi), ≥ | 490 (71) |
| 0.2% Yield Strength, MPa (ksi), ≥ | 220 (31) |
| Elongation in 50 mm (2 in.), %, ≥ | 35 |
| Rockwell Hardness (HRBW), ≤ | 70-90 |
|
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