Stainless Steel 321 Flanges | ASTM A182 F321 | UNS S32100 | DIN 1.4541
Stainless Steel 321 flanges are components manufactured from the grade 321 stainless steel alloy, which is a stabilized austenitic stainless steel with titanium addition. These flanges offer specific properties that make them suitable for various applications in industries requiring resistance to high temperatures and corrosion. Stainless Steel 321 flanges are suitable for applications requiring elevated temperature performance and resistance to corrosion. Their stability in high-temperature environments makes them valuable in various industries where exposure to heat and corrosive elements is prevalent.
Manufacturers produce Stainless Steel 321 flanges in compliance with standards like ASTM A182 and ASME B16.5/B16.47 to ensure quality, dimensional accuracy, and adherence to industry requirements.
Specification SS 321 Flange
| Standards | ANSI/ASME B16.5, B16.48, ANSI Flanges, GOST Flanges, DIN Flanges, EN-1092, B16.47 Series A & B, ASME Flanges, EN Flanges, AWWA Flanges, BS Flanges. |
| JIS Standard | 5K, 10 K, 16 K 20 K, 30 K, 40 K, 63 K |
| DIN FLANGES | DIN 2527, 2627, 2631, 2656, 2576, 2673, 2629, 2628, 2566, 2641, 2637, 2655, 2634, 2636, 2632, 2633, 2638, 2642, 2573, 2635. |
| Pressure Rating | Class 150 LBS, 300 LBS, 600 LBS, 900 LBS, 1500 LBS, 2500 LBS |
| Types | Threaded, Plate, Screwed, Forged. |
| Supporting material | Gasket, Ring Joint, Flange Bolts |
| Size range | 1/2" (15 NB) to 48" (1200NB) DN10~DN5000 |
| Production technique | Forged, machined and Heat treated |
| Available Flange Type | Weld Neck Flanges, RTJ Flanges, Slip On Flanges, Spectacle Blind Flanges, Flanges Gaskets, Square Flanges, Standard Insert Flanges, High Hub Blinds Flanges, Flat Flanges, forged flanges, Weldo / Nipo Flanges, Jacket Insert Flanges, Tongue groove Flanges, Blind Flanges, Socket Weld Flanges, Large diameter Flanges, Long Weld Neck Flanges, Spacer Blinds, SWRF Flanges, SORF Flanges, Angle Face Rings Flanges, Spades Ring Spacers Flanges, WNRF Flanges, Screwed Flanges, Insert Flanges, flanges bolts, cf flange, Lap Joint Flanges, ASME B16.36 Orifice Flanges, Plate Flange, Expander Flanges, Ring Type Joint Flanges, Loose Flanges, Reducing Flanges, puddle flange, Threaded Flanges, blank flange, vacuum flange. |
| Connect Type/ Flange Face Type | Ring Type Joint (RTJ), Flat Face (FF), Tongue & Groove, Small Male-Female (SMF), Lap-Joint Face (LJF), Raised Face (RF), Large Male-Female (LMF), Small Tongue. |
| Custom design | As per your drawing |
| Test | Direct-reading Spectrograph, X-ray detector, UItrasonic flaw detector, Magnetic particle detector, Hydrostatic testing machine. |
| Origin | Indian / USA / Korean / West Europe / Japan |
| Pressure Class | PN 6 TO PN 100 |
| Thickness | Normal Pipe Size ≤ 18 |
| Bore Diameter | Normal Pipe ≤ 10 |
| High Temperature | Above 200°C (400°F) For Class 150 Or Above 400°C (750°F) |
| Low Temperature | Above -29 Degree C (−20°F) |
| Coating/Surface Treatment: | Zinc Plated, Anti-rust Paint, Oil Black Paint, Yellow Transparent, Cold and Hot Dip Galvanized. |
| European/African/Russian Standard Flanges | Available |
| Gaskets Types | Full Face, Metallic Ring, Flat Ring Gasket |
Marking Standard | Name of Manufacturer |
| Schedule | |
| Type of Flange Facing | |
| Pressure Class | |
| Nominal Pipe Size, etc | |
Test Certificates | EN 10204/3.1B, NACE MR0103, NACE MR0175 |
| Raw Materials Certificate | |
| 100% Radiography Test Report | |
| Third Party Inspection Report, etc |
Flange Type Available
Equivalent Grade
STANDARD | WERKSTOFF NR. | UNS | JIS | EN |
SS 321 | 1.4541 | S32100 | SUS 321 | X6CrNiTi18-10 |
Chemical Properties
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 |
Mechanical Properties
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 % |
UNS S32100 Flanges Dimensions Class-900
| Nominal Pipe Size NPS (inches) | Class 900 | ||||
|---|---|---|---|---|---|
| Diameter of Flange (inches) | No. of Bolts | Diameter of Bolts (inches) | Diameter of Bolt Holes (inches) | Bolt Circle (inches) | |
| 1/2 | 4-3/4 | 4 | 3/4 | 0.88 | 3-1/4 |
| 3/4 | 5-1/8 | 4 | 3/4 | 0.88 | 3-1/2 |
| 1 | 5-7/8 | 4 | 7/8 | 1 | 4 |
| 1-1/4 | 6-1/4 | 4 | 7/8 | 1 | 4-3/8 |
| 1-1/2 | 7 | 4 | 1 | 1.12 | 4-7/8 |
| 2 | 8-1/2 | 8 | 7/8 | 1 | 6-1/2 |
| 2-1/2 | 9-5/8 | 8 | 1 | 1.12 | 7-1/2 |
| 3 | 9-1/2 | 8 | 7/8 | 1 | 7-1/2 |
| 4 | 11-1/2 | 8 | 1-1/8 | 1.25 | 9-1/4 |
| 5 | 13-3/4 | 8 | 1-1/4 | 1.38 | 11 |
| 6 | 15 | 12 | 1-1/8 | 1.25 | 12-1/2 |
| 8 | 18-1/2 | 12 | 1-3/8 | 1.5 | 15-1/2 |
| 10 | 21-1/2 | 16 | 1-3/8 | 1.5 | 18-1/2 |
| 12 | 24 | 20 | 1-3/8 | 1.5 | 21 |
| 14 | 25-1/4 | 20 | 1-1/2 | 1.62 | 22 |
| 16 | 27-3/4 | 20 | 1-5/8 | 1.75 | 24-1/2 |
| 18 | 31 | 20 | 1-7/8 | 2 | 27 |
| 20 | 33-3/4 | 20 | 2 | 2.12 | 29-1/2 |
| 24 | 41 | 20 | 2-1/2 | 2.62 | 35-1/2 |
Werkstoff No 1.4541 Flanges Dimensions Class-1500
| Nominal Pipe Size NPS (inches) | Class 1500 | ||||
|---|---|---|---|---|---|
| Diameter of Flange (inches) | No. of Bolts | Diameter of Bolts (inches) | Diameter of Bolt Holes (inches) | Bolt Circle (inches) | |
| 1/2 | 4-3/4 | 4 | 3/4 | 0.88 | 3-1/4 |
| 3/4 | 5-1/8 | 4 | 3/4 | 0.88 | 3-1/2 |
| 1 | 5-7/8 | 4 | 7/8 | 1 | 4 |
| 1-1/4 | 6-1/4 | 4 | 7/8 | 1 | 4-3/8 |
| 1-1/2 | 7 | 4 | 1 | 1.12 | 4-7/8 |
| 2 | 8-1/2 | 8 | 7/8 | 1 | 6-1/2 |
| 2-1/2 | 9-5/8 | 8 | 1 | 1.12 | 7-1/2 |
| 3 | 10-1/2 | 8 | 1-1/8 | 1.25 | 8 |
| 4 | 12-1/4 | 8 | 1-1/4 | 1.38 | 9-1/2 |
| 5 | 14-3/4 | 8 | 1-1/2 | 1.62 | 11-1/2 |
| 6 | 15-1/2 | 12 | 1-3/8 | 1.5 | 12-1/2 |
| 8 | 19 | 12 | 1-5/8 | 1.75 | 15-1/2 |
| 10 | 23 | 12 | 1-7/8 | 2 | 19 |
| 12 | 26-1/2 | 16 | 2 | 2.12 | 22-1/2 |
| 14 | 29-1/2 | 16 | 2-1/4 | 2.38 | 25 |
| 16 | 32-1/2 | 16 | 2-1/2 | 2.62 | 27-3/4 |
| 18 | 36 | 16 | 2-3/4 | 2.88 | 30-1/2 |
| 20 | 38-3/4 | 16 | 3 | 3.12 | 32-3/4 |
| 24 | 46 | 16 | 3-1/2 | 3.62 | 39 |
321 Stainless Steel Flanges Pressure Rating/Class
| ASME/ANSI B 16.5 |
Lap Joint Flange, Ring Type Joint Flange, Threaded Flange, Blind Flange, High Hub Blind Flange, Socket Weld Flange, Slip on Flange, Welding Neck Flange.
|
| PRESSURE CLASS | 150, 300, 400, 600, 900, 1500, 2500 |
| ASME/ANSI B 16.47 | Blind Flange [Series A & B], Welding Neck Flange. |
| PRESSURE CLASS | 75, 150, 300, 400, 600, 900 |
| ASME/ANSI B 16.36 | Slip on Flange, Threaded Flange, Welding Neck Flange. |
| PRESSURE CLASS | 300, 400, 600, 900, 1500, 2500 |
| BS 4504 SEC 3.1 |
Plate Flange, Welding Neck Flange, Hubbed Slip on Flange, Lapped Pipe End Flange, Loose Plate With Weld Neck Flange, Hubbed Threaded Flange, Blank Flange, Loose Plate Flange.
|
| PRESSURE CLASS | PN 2.5 TO PN 40 |
| BS 4504[PART 1] | Blank Flange, Loose Plate With Weld On Plate Collar, Welding Neck Flange, Plate Flange, Hubbed Slip-On Hubbed Threaded. |
| PRESSURE CLASS | PN 2.5 TO PN 400 |
| BS 1560 BOSS | Blind Flange, Screwed Boss Flange, Welding Neck Flange,Slip-On Flange, Lapped Flange, Socket Welding Flange. |
| PRESSURE CLASS | 150, 300, 400, 600, 900, 1500, 2500 |
| BS10 | Screwed Boss Flange, Plate Slip-On Flange, Slip-On Boss Flange, Blind Flange, Welding Neck Flange. |
| TABLE | D, E, F, H |
| DIN FLANGES | DIN 2527, 2632, 2635, 2673, 2566, 2655, 2631, 2627, 2634, 2576, 2636, 2629, 2633, 2573, 2656, 2638, 2637, 2642, 2641, 2628 |
| PRESSURE CLASS | PN 6 TO PN 100 |
SS 321 Flanges Weight Chart
Pipe Normal Diam. | O.D. Flange | Thk. Of Flange Min | Diam. of Hub | Diameter of Raised Face | Length Hub.Y | Thread Length | Diam. of Bolt Circle | Diam. of Bolt Holes | Number of Bolts | Diam. of Bolts (inch) | KG | LB | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
inch | dn | O | C | X | G | Y | T | BC | BH | BN | BD | ||
1/2" | 15 | 89.00 | 11.20 | 30.20 | 35.10 | 15.70 | 15.70 | 60.50 | 15.80 | 4 | 1/2" | 0.4 | 0.9 |
3/4" | 20 | 98.50 | 12.70 | 38.10 | 42.90 | 15.70 | 15.70 | 69.90 | 15.80 | 4 | 1/2" | 0.7 | 1.5 |
1" | 25 | 108.00 | 14.20 | 49.30 | 50.80 | 17.50 | 17.50 | 79.30 | 15.80 | 4 | 1/2" | 0.8 | 1.8 |
1-1/4" | 32 | 117.50 | 15.70 | 58.70 | 63.50 | 20.60 | 20.60 | 88.90 | 15.80 | 4 | 1/2" | 1.2 | 2.6 |
1-1/2" | 40 | 127.00 | 17.50 | 65.00 | 73.20 | 22.40 | 22.40 | 98.60 | 15.80 | 4 | 1/2" | 1.5 | 3.3 |
2" | 50 | 152.50 | 19.10 | 77.70 | 91.90 | 25.40 | 25.40 | 120.70 | 19.10 | 4 | 5/8" | 2.3 | 5.1 |
2-1/2" | 65 | 178.00 | 22.40 | 90.40 | 104.60 | 28.40 | 28.40 | 139.70 | 19.10 | 4 | 5/8" | 3.7 | 8.1 |
3" | 80 | 190.50 | 23.90 | 108.00 | 127.00 | 30.20 | 30.20 | 152.40 | 19.10 | 4 | 5/8" | 4.1 | 9 |
3-1/2" | 90 | 216.00 | 23.90 | 122.20 | 139.70 | 31.80 | 31.80 | 177.80 | 19.10 | 8 | 5/8" | 5.1 | 11.2 |
4" | 100 | 228.50 | 23.90 | 134.90 | 157.20 | 33.30 | 33.30 | 190.50 | 19.10 | 8 | 5/8" | 5.9 | 13 |
5" | 125 | 254.00 | 23.90 | 163.60 | 185.70 | 36.60 | 36.60 | 215.90 | 22.40 | 8 | 3/4" | 7 | 15.4 |
6" | 150 | 279.50 | 25.40 | 192.00 | 215.90 | 39.60 | 39.60 | 241.30 | 22.40 | 8 | 3/4" | 8.4 | 18.5 |
8" | 200 | 343.00 | 28.40 | 246.10 | 269.70 | 44.50 | 44.50 | 298.50 | 22.40 | 8 | 3/4" | 13 | 28.6 |
10" | 250 | 406.50 | 30.20 | 321.80 | 323.90 | 49.30 | 49.30 | 362.00 | 25.40 | 12 | 7/8" | 18 | 39.5 |
12" | 300 | 482.50 | 31.80 | 365.30 | 381.00 | 55.60 | 55.60 | 431.80 | 25.40 | 12 | 7/8" | 29 | 64 |
14" | 350 | 533.50 | 35.10 | 400.10 | 412.80 | 57.20 | 57.20 | 476.30 | 28.50 | 12 | 1" | 39 | 86 |
16" | 400 | 597.00 | 36.60 | 457.20 | 469.90 | 63.50 | 63.50 | 539.80 | 28.50 | 16 | 1" | 47 | 103 |
18" | 450 | 635.00 | 39.60 | 505.00 | 533.40 | 68.30 | 68.30 | 577.90 | 31.80 | 16 | 1 1/8" | 57 | 126 |
20" | 500 | 698.50 | 42.90 | 558.80 | 584.20 | 73.20 | 73.20 | 635.00 | 31.80 | 20 | 1 1/8" | 76 | 167 |
24" | 600 | 813.00 | 47.80 | 663.40 | 692.20 | 82.60 | 82.60 | 749.30 | 35.10 | 20 | 1 1/4" | 97 | 214 |
Application
- Food & Beverage
- Paper Industry
- Pharmaceutical
- Hospital Equipment
- Textiles
- Dairy
- Aircraft
- Chemicals
- Others Parts in Machinery
Testing
- Hydrostatic Test
- Macro Test
- Ultra Sonic Test (UT)
- Micro Test
- Hardness Test
- Radiography Test
- Pitting Resistance Test
- PMI Testing
- Mechanical Testing
- X-ray detector
Packing
- Wooden Boxes
- Shrink-Wrappedt
- Carton Boxes
- Wooden Crates
- Wooden Pallets
