Alpha overseas is a prominent supplier and manufacturer of high-quality Stainless Steel Flanges. The stainless-steel alloy is used to make the SS Flanges. It has a high level of corrosion resistance and is quite robust. The cryogenic hardness of the Stainless-Steel Flanges is also well recognised due to their special qualities, which include providing good resistance to high temperatures and having great fabricability and transformability. Each of the stainless steel's numerous grades, including 304, 316, and 316L, has some special qualities to offer. Pipes, valves, fittings, and speciality objects like strainers and pressure vessels can all be connected with flanges.
SS Flanges Suppliers, Stainless Steel Pipe Flanges, SS Flange, Stainless Steel Flanges, SS Flanges Manufacturer, SS Flanges Manufacturer in Mumbai, ASTM A182 Stainless Steel Flange, Stainless Steel Flanges Manufacturers in India.
Flanges manufactured of stainless steel, one of the most widely utilised materials, are frequently employed in a variety of applications in a number of different industries. The stainless steel flanges have better physical qualities, including enhanced durability and good corrosion resistance. These flanges provide the necessary support for the piping system and are employed in both industrial and home settings. Additionally, different grades of stainless steel are simple to find and have varying chemical compositions. It implies that different stainless-steel grades may have various characteristics. SS Flanges come in a variety of options, and each one has a different application. Because of their special qualities, stainless steel flanges are quite common in a variety of industries. They can successfully handle high temperatures, are exceedingly durable, and are corrosion-resistant. They need relatively little maintenance and can last for many years. They are among the most economical options for piping accessories.
SS Flange Dimensions
NPS (in.) |
Stainless Steel Flange Dimensions | ||||
---|---|---|---|---|---|
Dia. of Flange (in.) |
No. of Bolts |
Dia. of Bolts (in.) |
Dia. of Bolt Holes (in.) |
Bolt Circle (in.) |
|
1/4 | 3-3/8 | 4 | 1/2 | 0.62 | 2-1/4 |
1/2 | 3-1/2 | 4 | 1/2 | 0.62 | 2-3/8 |
3/4 | 3-7/8 | 4 | 1/2 | 0.62 | 2-3/4 |
1 | 4-1/4 | 4 | 1/2 | 0.62 | 3-1/8 |
1-1/4 | 4-5/8 | 4 | 1/2 | 0.62 | 3-1/2 |
1-1/2 | 5 | 4 | 1/2 | 0.62 | 3-7/8 |
2 | 6 | 4 | 5/8 | 0.75 | 4-3/4 |
2-1/2 | 7 | 4 | 5/8 | 0.75 | 5-1/2 |
3 | 7-1/2 | 4 | 5/8 | 0.75 | 6 |
3-1/2 | 8-1/2 | 8 | 5/8 | 0.75 | 7 |
4 | 9 | 8 | 5/8 | 0.75 | 7-1/2 |
5 | 10 | 8 | 3/4 | 0.88 | 8-1/2 |
6 | 11 | 8 | 3/4 | 0.88 | 9-1/2 |
8 | 13-1/2 | 8 | 3/4 | 0.88 | 11-3/4 |
10 | 16 | 12 | 7/8 | 1 | 14-1/4 |
12 | 19 | 12 | 7/8 | 1 | 17 |
14 | 21 | 12 | 1 | 1.12 | 18-3/4 |
16 | 23-1/2 | 16 | 1 | 1.12 | 21-1/4 |
18 | 25 | 16 | 1-1/8 | 1.25 | 22-3/4 |
20 | 27-1/2 | 20 | 1-1/8 | 1.25 | 25 |
24 | 32 | 20 | 1-1/4 | 1.38 | 29-1/2 |
SS Flanges Weight Chart
Pipe Normal Diameter (inch) | Outer diameter Flange | Thicjness Of Flange Minimum | Diameter of Hub |
Diameter of Raised Face | Length Hub.Y | Thread Length | Diameter of Bolt Circle |
Diameter of Bolt Holes |
Number of Bolts |
Diameter of Bolts (inch) |
KG | LB | |
---|---|---|---|---|---|---|---|---|---|---|---|---|---|
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 | 304.80 | 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 |
Stainless Steel Flanges Types

SS Slip On Flange
- PN16 Slip On Flange Stainless Steel
- SS FFSO Flanges
- SS Flat Face Slip On Flanges
- Stainless Steel On Raised Face Flange
- Stainless Steel SORF Flange
- Stainless Steel RFSO Flanges
- SS SORTJ
- ASTM A182 Stainless Steel SOFF Flange
- Stainless Steel SO Flanges
- SS Pipe Slip On Flange
- Stainless Steel Raised Face Slip On Flange
- ASTM A182 SS Slip On Pipe Flange
- SS Slip-On Flange

SS Weld Neck Flange
- SS Weld Neck Flanges ANSI B16.5
- ASTM A182 Stainless Weld Neck Flange 300
- SS Weld Neck Flanges
- Stainless Steel WNRTJ Flange
- Stainless Steel RFWN Flange
- ASME SA182 SS Welding Neck Flanges 150#
- Steel Welding Neck Flanges
- Stainless Steel WNFF Flangs
- SS Raised Face Weld Neck Flange
- SS Flat Face Weld Neck Flange
- Stainless Steel Weld Neck Flanges

SS Blind Flange
- Stainless Steel BLRF Flange
- ASTM A182 Stainless Steel BLRTJ Flange
- Stainless Steel RTJ Blind Flange
- SS Blind Pipe Flanges
- Stainless Steel BLRTJ Flange
- SS Pipe Blind Flange
- SA182 SS BL Flange
- Stainless Steel Blind Flanges
- ASME B16.5 SS Blind Raised Face Flange
- Steel Blind Plate Flanges
- Stainless Steel BLFF Flanges
- SS BLFF Flanges

SS Threaded Flange
- Stainless Steel Reducing Threaded Flange
- Stainless Steel Female Threaded Flange
- SS Threaded Pipe Flange
- ASTM A182 Stainless Steel Thread Flange
- ASME SA182 SS Screwed Flanges
- SS Raised Face Threaded Flange
- ASTM A182 Stainless Steel NPT Threaded Flange
- SS Male Threaded Flange
- Stainless Steel Threaded Flanges
- Stainless Steel 3 inch Threaded Pipe Flanges

SS Socket weld Flange
- ASME SA182 SS Flange sw rf
- Stainless Steel Flat Face Socket Weld Flange
- Stainless Steel SWFF Flanges
- Stainless Steel socket weld flange dimensions class 150
- SS SWRTJ Flanges
- SS Socket Weld Pipe Flange
- ASME B16.5 Stainless Steel SW Flange
- SS Socket Welding Flange
- Stainless Steel SWRF Flanges
- SS Raised Face Socket Weld Flanges
- Stainless Steel 300# Socket Weld Flange
- Stainless Steel Socket Weld Raised Face Flange
- Stainless Steel RFSW Flanges

SS Long Weld Neck Flange
- SS Raised Face Long Weld Neck Flange
- SS Long Welding Neck Flange
- SS ASME B16.5 Long Weld Neck Flanges
- Stainless Steel LWN Flange 300# dimensions
- ASTM A182 Stainless Steel LWNRF Flanges
- Stainless Steel RFLWN Flange
- SS Long Weld Neck Flange Dimensions Class 150
- Stainless Steel LWN Flanges
- Stainless Steel Long Welding Neck Flanges
- SS Long Weld Neck Raised Face Flange
- SS LWN Flange

SS Lap Joint Flange
- Stainless Steel LJ Flanges
- Stainless Steel Lap Joint Flange
- SS Raised Face Lap Joint Flange
- SS Flange Lap Joint
- Stainless Steel Flat Face Lap Joint Flange
- SS LJRF Flanges
- ASME SA182 SS LJ Flanges
- ANSI B16.5 Stainless Steel Lapped Joint Flange
- SS Lap Joint Flange with stub end
- SS Lap Joint Pipe Flange
- Stainless Flange Lap Joint Stub End
- Stainless Steel A182 LJFF Flange

SS Plate Flange
- SS din 2501 pn10 plate Flange
- ASME SA182 SS Plate Flange en 1092
- SS Plate Flanges
- Stainless Steel Plate Flanges Class 150
- Stainless Steel Plate Flanges
- ASTM A182 Stainless Steel Plate Flange
- SS ANSI B16.5 Plate Flanges

SS Orifice Flange
- Steel Orifice Flanges
- SS Raised Face Orifice Flanges
- ANSI B16.36 SS Orifice Flanges
- SS Orifice Flanges
- ASTM A182 Stainless Steel Orifice Pipe Flange
- ASME SA182 SS RTJ Orifice Flange
- Stainless Steel Class 150 Orifice Flange
- SS Orifice Plate Flange
- SS ASME B16.36 Orifice Flange
- Stainless Steel Orifice Flanges
Specialized in Following ASTM A182 Stainless Steel Flanges
- SS Flat Face Flanges
- Stainless Steel Flange Manufacturer
- Stainless Steel Spacer Ring Flanges
- Type Of Stainless Steel Loose Plate Flange
- Stainless Steel Flange Suppliers
- ASTM A182 SS Pipe Flanges
- SS Industrial Pipe Flange
- Large Diameter SS Flange
- ANSI/ASME B16.5 SS Flange Supplier in Mumbai
- Stainless Steel Flanges Suppliers in India
- SS Flange Manufacturer in Mumbai
- Stainless Steel A182 Forged Flanges
- Stainless Steel Groove Flange
- Stainless Steel Large Tongue Flange Stock
- ASME B16.5 Steel Pipe Flange Spacer Ring
- Manufacturer of Stainless Steel Flanges
- Stainless Steel Slip On Plate Flange
- SS Paddle Blank and Spacer
- SS Flange Pressure Rating
- ASTM A182 Stainless Steel Nipo flange
- SS Flanges at Best Price List In India
- Supplier of SS Slip On Flat Face Flange
- Stainless Steel Flanges Stockist
- Stainless Steel Reducing Flange
- Stainless Steel Raised Face Flange
- SS Tongue and Groove Flanges Dealers
- ASTM A182 SS Paddle Blind Flange
- Stainless Steel Blind Spectacle Flange
- Stainless Steel Ring Type Joint Flanges
- Stainless Steel Spectacle Blind Flanges
- Stainless Steel Flangeolet
- Stainless Steel Exhaust Flanges
- Stainless Steel Custom Flanges
- Stainless Steel RTJ Flange Exporter
- Stainless Steel Flat Face Flange
- Stainless Steel NPT Flanges
Stainless Steel Flange Pressure Rating Chart
ASME | Pressure Temperature Ratings For Stainless Steel Flanges | ||||||
Temperature °F | Class 150 | Class 300 | Class 400 | Class 600 | Class 900 | Class 1500 | Class 2500 |
-20 to 100 | 275 | 720 | 960 | 1440 | 2160 | 3600 | 6000 |
200 | 230 | 600 | 800 | 1200 | 1800 | 3000 | 5000 |
300 | 205 | 540 | 720 | 1080 | 1620 | 2700 | 4500 |
400 | 190 | 495 | 660 | 995 | 1490 | 2485 | 4140 |
500 | 170 | 465 | 620 | 930 | 1395 | 2330 | 3880 |
600 | 140 | 435 | 580 | 875 | 1310 | 2185 | 3640 |
650 | 125 | 430 | 575 | 860 | 1290 | 2150 | 3580 |
700 | 110 | 425 | 565 | 850 | 1275 | 2125 | 3540 |
750 | 95 | 415 | 555 | 830 | 1245 | 2075 | 3460 |
800 | 80 | 405 | 540 | 805 | 1210 | 2015 | 3360 |
850 | 65 | 395 | 530 | 790 | 1190 | 1980 | 3300 |
900 | 50 | 390 | 520 | 780 | 1165 | 1945 | 3240 |
950 | 35 | 380 | 510 | 765 | 1145 | 1910 | 3180 |
1000 | 20 | 320 | 430 | 640 | 965 | 1605 | 2675 |
1050 | 20 | 310 | 410 | 615 | 925 | 1545 | 2570 |
1100 | 20 | 255 | 345 | 515 | 770 | 1285 | 2145 |
1150 | 20 | 200 | 265 | 400 | 595 | 995 | 1655 |
1200 | 20 | 155 | 205 | 310 | 465 | 770 | 1285 |
1250 | 20 | 115 | 150 | 225 | 340 | 565 | 945 |
1300 | 20 | 85 | 115 | 170 | 255 | 430 | 715 |
1350 | 20 | 60 | 80 | 125 | 185 | 310 | 515 |
1400 | 20 | 50 | 65 | 95 | 145 | 240 | 400 |
1450 | 15 | 35 | 45 | 70 | 105 | 170 | 285 |
1500 | 10 | 25 | 35 | 55 | 80 | 135 | 230 |
SS Flange HSN Code
HSN Code | Product Description |
73072100 | HS or HSN Codes for stainless steel flange |
SS Flange Price List India
Check out the Stainless Steel Flange Price List.
Stainless Steel Flange in India | SS Flange Price in INR |
Stainless Steel Flanges 150, 300, 600 LBS, 900 LBS, 1500#, Class 2500 | Rs. 228 |
Flanges A182 B16.5 | Rs. 5,166 |
Stainless Steel Class 150 Flanges as per ASME B 16.5 | Rs. 3,518 |
Pn16 Dn65 Dn80 SUS SS Flange | Rs. 199 |
Stainless Steel Plate Flange | Rs. 4,198 |
Stainless Steel Flange | Rs. 5,902 |
Stainless Steel Flanges Standard
For more information on flange standards, or to learn more about custom flanges for particular specifications, contact us today.
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Applications of Stainless Steel Flanges
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