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Navgraha Steel and Engg Company is a prominent manufacturer of UNS NO8904 Flanges. There are various types of flanges are available. As per request, flanges dimensions, thicknesses are changed for applications. Flanges are available in a variety of combinations as per client requirements. For the production of accurate and high-quality flanges, we use the latest machinery. Slip-on Flanges are mostly used in many fluid pipelines.
Composition of Grade SS 904L Flanges
Stainless Steel 904L Flanges are made using nickel, chromium, and copper. It also contains carbon, molybdenum, manganese, silicon and iron. Every flange contains the different chemical composition.
Why SS 904L/UNS N08904 grades of stainless steel is suitable for flanges?
This stainless steel grade alloy is easy to cleaning, and its appearance is beautiful. The copper content improves its resistance to strong reducing acid like sulphuric acid. Stainless Steel 904L has physical properties like elastic modulus, the mean coefficient of thermal expansion, thermal conductivity and electrical resistivity. This alloy has resistant to chloride attack and warm seawater. Due to the presence of nickel, this alloy is highly resistant to stress corrosion cracking. It also has good resistance against oxidation. This alloy loses some toughness at high temperatures. It has some good fabricating characteristics. Our Stainless Steel 904L Flanges is resistant to crevice corrosion and cracking corrosion under stress. Our company provided Stainless Steel flanges that are non-magnetic. It provides formability, toughness and weldability. These flanges have good features. Stainless steel’s strength, resistance to corrosion and low maintenance make it the ideal material for a wide range of applications. It is also has a long life cycle and is 100% recyclable.
SS 904L Slip-On Flanges have features like:
• High durability
• Resistance to temperature
• Easy formability
• Attractive appearance
• Low maintenance
UNS NO8904 Flanges shows good mechanical properties are as follows:
• Yield strength
• Elongation
• Tensile strength
• Hardness
Applications of UNS NO8904 Flanges:
• Petrochemical industries
• Pulp and paper industry
• Chemical equipment
• Seawater equipment
Specifications | ASTM A182 / ASME SA182 |
Flange size range | 1/2″ (15 NB) to 48″ (1200NB) DN10~DN5000 |
Flanges Dimensions | ANSI/ ASME B16.5, B16.47 Series A & B, B16.48, BS4504, BS 10, EN-1092, DIN, etc. |
Flanges Standard | ANSI Flanges, AWWA Flanges, ASME Flanges, BS 10 Table D Flanges, Table E Flanges, BS Flanges, DIN Flanges, EN Flanges, GOST Flanges. |
Pressure Class / Rating | Class 150 LBS, 300#, 600#, 900#, 1500#, 2500#, PN6, PN10, PN16, PN25, PN40, PN64 etc. |
Flange Connect Type/ Flange Face Type | Raised Face (RF), Ring Type Joint (RTJ), Large Male-Female (LMF), Flat Face (FF), Small Male-Female (SMF), Lap-Joint Face (LJF), Small Tongue, Large Tongue & Groove |
Specialized manufacturer of | Weld Neck Ring Flanges (WNRF), Slip-On Ring Flanges (SORF), Blind Ring Flanges (BLRF), Socket Weld Ring Flanges (SWRF), Lap Joint Ring Flanges (LJRF), Ring Type Joint Flanges (RTJF), Large Diameter Flanges, Orifice Flanges |
Test Certificates | EN 10204/3.1B Raw Materials Certificate 100% Radiography Test Report Third Party Inspection Report, etc |
STANDARD | WERKSTOFF NR. | UNS | JIS | BS | KS | AFNOR | EN |
SS 904L | 1.4539 | N08904 | SUS 904L | 904S13 | STS 317J5L | Z2 NCDU 25-20 | X1NiCrMoCu25-20-5 |
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 |
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 % |
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