Flanges possess a diverse range of characteristics, with their specific properties being determined by the grade of stainless steel utilized. These components can be either forged or cast, depending on the manufacturing process. Established suppliers of stainless steel flanges provide these components to reinforce or connect beams and columns in piping systems. The installation of SS pipe flanges is customized to the particular flange type in use, ensuring a precise and secure fit for seamless integration with the piping network.
A flange is a mechanical component used in various industries and applications to connect two pipes, valves, or other equipment together. It typically consists of a flat, circular disc with evenly spaced bolt holes around its circumference. Flanges are designed to be attached to the ends of pipes or other equipment and are usually made of materials such as steel, stainless steel, cast iron, or plastic, depending on the specific requirements of the application.
We make flanges using strict quality control rules to ensure they are smooth and the right size. We are a top supplier of flanges made from carbon steel, alloy steel, and stainless steel all over the world. We have certificates from ASME Quality and ISO 9001:2015. We don't just make great stainless steel flanges, we also sell carbon steel and alloy steel flanges from ISMT and Jindal.
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Type | C | Mn | P | S | Si | Cr | Ni | Mo |
---|---|---|---|---|---|---|---|---|
304* | 0.08 | 2.00 | 0.045 | 0.030 | 1.00 | 18.00/20.00 | 8.00/10.50 | – |
304L* | 0.03 | 2.00 | 0.045 | 0.030 | 1.00 | 18.00/20.00 | 8.00/12.00 | – |
316* | 0.08 | 2.00 | 0.045 | 0.030 | 1.00 | 16.00/18.00 | 10.00/14.00 | 2.00/3.00 |
316L* | 0.03 | 2.00 | 0.045 | 0.030 | 1.00 | 16.00/18.00 | 10.00/14.00 | 2.00/3.00 |
321 | 0.08 | 2.00 | 0.040 | 0.030 | 1.00 | 17.00/19.00 | 9.00/12.00 | 0.75/0.75 |
Type | UNS | Tensile (ksi) min |
Yield (ksi) min |
Elongation min |
Hardness (Brinell) max |
Hardness (Rockwell B) max |
---|---|---|---|---|---|---|
304* | S30400 | 75 | 30 | 40% in 2″ | 183 | 88 |
304L* | S30403 | 70 | 30 | 40% in 2″ | 183 | 88 |
316* | S31600 | 75 | 30 | 40% in 2″ | 217 | 95 |
316L* | S31603 | 70 | 25 | 35% in 2″ | 217 | 95 |
321 | S32100 | 75 | 30 | 40% in 2″ | 183 | 88 |
NOMINAL SIZE | DIMENSIONS | WEIGHT (KG) | ||||
---|---|---|---|---|---|---|
NPS (Inches) |
DN (mm) | FLANGE MM |
FLANGE THICKNESS |
SOW SW |
WN | BLIND |
1/2 | 15 | 88.9 | 11.2 | 0.4 | 0.5 | 0.4 |
3/4 | 20 | 98.6 | 12.7 | 0.6 | 0.7 | 0.6 |
1 | 25 | 108 | 14.2 | 0.8 | 1 | 0.9 |
1 1/4 | 32 | 117.3 | 15.7 | 1 | 1.3 | 1.2 |
1 1/2 | 40 | 127 | 17.5 | 1.3 | 1.7 | 1.5 |
2 | 50 | 152.4 | 19.1 | 2.1 | 2.6 | 2.4 |
2 1/2 | 65 | 177.8 | 22.4 | 3.3 | 4.1 | 3.9 |
3 | 80 | 190.5 | 23.9 | 3.9 | 4.9 | 4.9 |
3 1/2 | 90 | 215.9 | 23.9 | 4.8 | 6.1 | 6.2 |
4 | 100 | 228.6 | 23.9 | 5.3 | 6.8 | 7.0 |
5 | 125 | 254 | 23.9 | 6.1 | 8.6 | 8.6 |
6 | 150 | 279.4 | 25.4 | 7.5 | 10.6 | 11.3 |
8 | 200 | 342.9 | 28.4 | 12.1 | 17.6 | 19.6 |
10 | 250 | 406.4 | 30.2 | 16.5 | 24 | 28.6 |
12 | 300 | 482.6 | 31.8 | 26.2 | 36.5 | 43.2 |
14 | 350 | 533.4 | 35.1 | 34.6 | 48.4 | 58.1 |
16 | 400 | 596.9 | 36.6 | 44.8 | 60.6 | 76.1 |
18 | 450 | 635 | 39.6 | 48.9 | 68.3 | 93.7 |
20 | 500 | 698.5 | 42.9 | 61.9 | 84.5 | 122.0 |
24 | 600 | 812.8 | 47.8 | 86.9 | 115 | 185.0 |
Stainless Steel Forged Flanges are essential components that serve a pivotal role in connecting two separate parts of machinery, thereby enabling a secure and durable union. Additionally, they can function as extensions, augmenting the strength and stability of the overall structure. Conversely, Stainless Steel Plate Flanges facilitate the secure connection of one pipe to another through bolting, with a gasket interposed to ensure a dependable seal. These flanges are widely utilized in fuel and water pipelines, where a leak-free joint is imperative for the seamless and efficient transportation of fluids.
Raised Face (RF) | Flat Face (FF) | Ring-Type Joint (RTJ) |
---|---|---|
Marking symbol : ASME B16.5 RF
Height of raised face
|
Marking symbol : ASME B16.5 FF | Marking symbol : ASME B16.5 RTJ
|
Tongue-and-Groove (T&G) | Male-and-Female (M&F) | |
Marking symbol : ASME B16.5 T&G | Marking symbol : ASME B16.5 M&F
Types:
|
Types Of SS Flanges | Pressure capacity | Normal Pipe Size | Uses |
---|---|---|---|
Blind (BLRF) flanges | Very high | All | flow pressure testing and Closing pipes |
Slip-on (SORF) flange | Low | All | Low installation cost |
Threaded (screwed) flanges | Low | Small | simple assembly |
Socket weld (SORF) flange | High | Small | better fluid flow |
Lapped (LJRF) flange | Low | All | Systems requiring frequent disassembly |
Weld neck (WNRF) flange | High | All | extreme temperatures |
ASME B16.5 | ASME B16.47 Series A | ASME B16.47 Series B | ASME B16.36 |
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