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ASTM A182 F904L / UNS N08904 Slip On Stainless Steel Flanges Forged SORF Flange
Stainless Steel 904L is a high alloy austenitic stainless steel that contains low carbon content, high levels of chromium, nickel, molybdenum, and copper compared to other stainless steel grades. These elements provide enhanced resistance to corrosion and contribute to the alloy's ability to withstand aggressive conditions. 904L flanges find extensive use in various industries, such as Chemical Processing, oil and gas, Pharmaceutical Industry, Marine Applications, etc. It can be manufactured to various industry standards, such as ASTM, ASME, ANSI, DIN, and EN.
Stainless Steel Flange ASME SA182 F904L Equivalent Grades
| STANDARD | WERKSTOFF NR. | UNS | EN | AFNOR | JIS | BS | KS |
| SS 904L | 1.4539 | N08904 | X1NiCrMoCu25-20-5 | Z2 NCDU 25-20 | SUS 904L | 904S13 | STS 317J5L |
Chemical Composition of Grade 904L Stainless Steel Flanges
| 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 |
Mechanical Properties of ASTM A182 / SA 182 SS 904L Pipe Flanges
| Density | Melting Point | Tensile Strength | Yield Strength (0.2%Offset) | Elongation |
| 7.95 g/cm3 | 1350 °C (2460 °F) | Psi – 71000 , MPa – 490 | Psi – 32000 , MPa – 220 | 35 % |
ASTM A182 F904L Stainless Steel Flanges
| Specifications | ASTM A182, ASME SA182 |
|---|---|
| ASME B16.5 904L SS Flange size range | 1/2″ (15 NB) to 48″ (1200NB) DN10~DN5000 |
| ASTM A182 Stainless Steel 904L Flanges Standards | ANSI Flanges, ASME Flanges, BS Flanges, DIN Flanges, EN Flanges, GOST Flanges, ANSI/ASME B16.5, B 16.47 Series A & B, B16.48, BS4504, BS 10, EN-1092, DIN |
| Main Types | Forged / Threaded / Screwed / Plate |
| Types of Stainless Steel 904L Flanges |
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| 904L Stainless Steel Flange Pressure Ratings | DIN:PN6 PN10 PN16 PN25 PN40; ANSI: class: 150 LBS, 300 LBS, 600 LBS, 900 LBS, 1500 LBS, 2500 LBS, DIN Standard ND-PN6, PN10, PN16, PN25, PN40, PN64 etc. JIS: 5K, 10 K, 16 K 20 K,30 K,40 K, 63 K; |
| Production technique |
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| Connect Type/ Flange Face Type | Ring Type Joint (RTJ), Flat Face (FF), Lap-Joint Face (LJF), Raised Face (RF), Large Male-Female (LMF), Small Male-Female (SMF), Large Tongue & Groove, Small Tongue, Groove |
| Special design | As per your drawing AS, ANSI, BS, JIS and DIN 15 NB (1/2″) to 200 NB (8″) Equal and Reducing Configurations SS 904L Slip-On Flange, Threaded Flange, Weld Neck Flange, Blind Flange, Socketweld Flange |
| Test | Hydrostatic testing machine, Direct-reading Spectrograph, Magnetic particle detector, X-ray detector,UI trasonic flaw detector,Magnetic particle detector |
| Equipment | Pushing Machine,Bending machine, Press machine ,electric bevelling machine, Sand-blasting machine etc |
| Standard | ANSI DIN, GOST, JIS, UNI, BS, AS2129, AWWA, EN, SABS, NFE etc. ANSI Flange, ASME Flange,BS Flange, EN Flange, API 6A Flange, DIN Flange, EN1092-1 Flange, UNI Flange, JIS/KS Flange, BS4504 Flange, GB Flange, GOST Flange, PSI Flange,AWWA C207 Flange
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| AMERICAN SOCIETY OF MECHANICAL ENGINEERS (ASME) |
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| Key markets and industries for ASTM A182 F904L Flanges |
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| Straight Piping Connection Application |
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| 904L Stainless Steel Pipe Flanges Test Certificates | EN 10204/3.1B Raw Materials Certificate 100% Radiography Test Report Third Party Inspection Report, etc |
| Material Test Certificates (MTC) as per EN 10204 3.1 and EN 10204 3.2, Test Certificates certifying NACE MR0103, NACE MR0175 | |
Applications
1. Oil and Gas Industry
2. Chemical Industry
3. Petrochemical Industry
4. Power Plant Industry
5. Refinery Industry
6. Food Processing Industry
7. Energy Industry
8. Aerospace Industry
9. Pulp & Paper Industry
