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Flanges are the method of connecting the pipes in the industries for having the piping systems. Seeing this, Gayatri Tubes are the best manufacturer, supplier and exporter of wide ranges of SS 321 / 321H Flanges. The flanges are manufactured as per the expectations and the specifications given by the clients. National and international quality standards are also followed while developing the stainless steel flanges. We are providing the flanges in a cut made specifications of the clientele.Flanges are the external and internal pipe fittings that are used for connecting the pipes in the industries. They are highly used to strengthening and attach various objects. The joints of the pipe that needs dismantling the flanges are used there in the industries. On the other hand, the flange is another type of coupling which joints the end connections of the pipes. The flanges are classified and are used in various criteria. Some of the types in which the stainless steel flanges are available are welding neck flanges, slip-on flanges, and socket welded flanges, lap joint flanges and many other flanges types that are available. The bolts are also used with the usage of flanges in the industrial applications.
SS 321 / 321H Flanges are available in various characteristics. Some of the characteristics are corrosion resistance, pitting corrosion resistance, crevice corrosion resistance, stability in elevated temperatures, high durability, great ductility, and many more. Along with this, the flanges are also good at having tensile strength, toughness, etc. Because of this, the flanges are highly used in the industries for all the applications. Some of the industries in which the flanges are used are petrochemical, pharmaceuticals, oil and gas, and various others.
We are also performing various quality tests so that SS 321 / 321H Flanges are used in industrial applications. The tests are also performed to ensure the clients that they are provided with the quality of flanges. Some of the tests which are performed are hardness, hydrostatic, ultrasonic, micro, macro and many other tests. The flanges are also packed as per the specifications of the clients.
| STANDARD | WERKSTOFF NR. | UNS | JIS | EN |
| SS 321 | 1.4541 | S32100 | SUS 321 | X6CrNiTi18-10 |
| SS 321H | 1.4878 | S32109 | SUS 321H | X12CrNiTi18-9 |
| Specifications | ASTM A182 / ASME SA182 |
| Dimensions | 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) |
| Flange Face Type | Flate Face (FF), Raised Face (RF), Ring Type Joint (RTJ) |
| Class / Pressure | 150#, 300#, 600#, 900#, 1500#, 2500#, PN6, PN10, PN16, PN25, PN40, PN64 etc. |
| DIN Flanges | DIN 2527, 2566, 2573, 2576, 2641,2642, 2655, 2656, 2627, 2628, 2629, 2631, 2632, 2633, 2634, 2635, 2636, 2637,2638, 2673 |
| JIS Flanges | JIS B2220 5K, JIS B2220 10K, JIS B2220 16K, JIS B2220 20K |
| BS Flanges | BS4504 PN 6, BS 4504 PN 10, BS4504 PN 16, BS4504 PN 25, BS4504 PN 40, BS 4504 PN 64, BS 4504 PN 100, BS 4504 PN 160, BS 4504 PN 250, BS 10, BS Table D, BS Table E, BS Table F, BS Table H. |
| Grade | C | Mn | Si | P | S | Cr | N | Ni | Ti |
| SS 321 | 0.08 max | 2.0 max | 1.0 max | 0.045 max | 0.030 max | 17.00 - 19.00 | 0.10 max | 9.00 - 12.00 | 5(C+N) – 0.70 max |
| SS 321H | 0.04 – 0.10 | 2.0 max | 1.0 max | 0.045 max | 0.030 max | 17.00 - 19.00 | 0.10 max | 9.00 – 12.00 | 4(C+N) – 0.70 max |
| Density | Melting Point | Tensile Strength | Yield Strength (0.2%Offset) | Elongation |
| 8.0 g/cm3 | 1457 °C (2650 °F) | Psi – 75000 , MPa – 515 | Psi – 30000 , MPa – 205 | 35 % |
