Inderjit Forgings is a prominent stockist and manufacturer of SS 904L Pipe Flanges, which has outstanding welding characteristics. Stainless Steel 904L Slip On Flanges is used in Piping, Heat exchangers, and Structures in environments that would corrode standard carbon steel. Post-weld annealing for Stainless Steel 904L Weld Neck Flanges is not required when welding thin sections. The slightly higher price point of Stainless Steel 904L Socket Weld Flanges is well worth it in areas with high chloride exposure, especially the coast and heavily salted roadways. Stainless Steel 904L Forged Flanges is durable, easy-to-fabricate, clean, weld and finish. These precautions are necessary to avoid cross contamination of Stainless Steel 904L Orifice Flanges by easily corroded metals that may discolour the surface of the fabricated product.
Stainless Steel 904L Blind Flanges is ideal for use in metal parts such as nuts and bolts that are exposed to salt water. Its austenitic structure allows Stainless Steel 904L Spectacle Blind Flanges to be deep-drawn without intermediate annealing, making this grade of choice in the manufacturing of sinks, hollow-ware and saucepans. Exposure to temperatures above about 400 Degree C will result in progressive removal of work hardening effects for Stainless Steel 904L Flat Flanges; where at approximately 800 Degree C the strength will be similar to an annealed alloy. As with all austenitic alloys, annealing or stress-relieving for Stainless Steel 904L Reducing Flanges can be performed following fabrication
| STANDARD | WERKSTOFF NR. | UNS | JIS | BS | AFNOR | EN |
| SS 904L | 1.4539 | N08904 | SUS 904L | 904S13 | Z2 NCDU 25-20 | X1NiCrMoCu25-20-5 |
Specification : ASTM A182 / ASME SA182
Dimension Standard : ANSI/ASME B16.5, B 16.47 Series A & B, B16.48, BS4504, BS 10, EN-1092, DIN, etc.
Size : 1/2" (15 NB) to 48" (1200NB)
Pressure Class / Rating : 150#, 300#, 600#, 900#, 1500#, 2500#, PN6, PN10, PN16, PN25, PN40, PN64 etc.
Standard : ANSI Flanges, ASME Flanges, BS Flanges, DIN Flanges, EN Flanges, etc.
Flange Face Type : Flate Face (FF), Raised Face (RF), Ring Type Joint (RTJ)
| ASTM A182 F904L Stainless Steel Flanges – Manufacturing Standards / Types & Pressure Class : | |
|---|---|
| ASME/ANSI B 16.5 | Welding Neck Flange, Slip on Flange, Blind Flange, High Hub Blind Flange, Socket Weld Flange, Lap Joint Flange, Threaded Flange, Ring Type Joint Flange |
| PRESSURE CLASS | 150, 300, 400, 600, 900, 1500, 2500 |
| ASME/ANSI B 16.47 | Welding Neck Flange, Blind Flange [Series A & B] |
| PRESSURE CLASS | 75, 150, 300, 400, 600, 900 |
| ASME/ANSI B 16.36 | Welding Neck Flange, Slip on Flange, Threaded Flange |
| PRESSURE CLASS | 300, 400, 600, 900, 1500, 2500 |
| BS 4504 SEC 3.1 | Welding Neck Flange, Hubbed Slip on Flange, Hubbed Threaded Flange, Lapped Pipe End Flange, Plate Flange, Loose Plate Flange, Loose Plate With Weld Neck Flange, Blank Flange |
| PRESSURE CLASS | PN 2.5 TO PN 40 |
| BS 4504[PART 1] | Welding Neck Flange, Hubbed Slip-On Hubbed Threaded, Plate Flange, Loose Plate With Weld On Plate Collar, Blank Flange |
| PRESSURE CLASS | PN 2.5 TO PN 400 |
| BS 1560 BOSS | Welding Neck Flange, Socket Welding Flange, Slip-On Flange, Blind Flange, Screwed Boss Flange, Lapped Flange |
| PRESSURE CLASS | 150, 300, 400, 600, 900, 1500, 2500 |
| BS10 | Welding Neck Flange, Plate Slip-On Flange, Screwed Boss Flange, Slip-On Boss Flange, Blind Flange |
| TABLE | D, E, F, H |
| DIN FLANGES | DIN 2527, 2566, 2573, 2576, 2641,2642, 2655, 2656, 2627, 2628, 2629, 2631, 2632, 2633, 2634, 2635, 2636, 2637,2638, 2673 |
| PRESSURE CLASS | PN 6 TO PN 100 |
| 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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