Customers looking for high-quality SS Blind Flanges prefer purchasing from Nextgen Steel & Alloys, a reputable manufacturer known for its convenience and top-notch products. Our company uses premium-grade stainless steel to craft these flanges, ensuring durability and reliability. Stainless steel blind flanges are primarily used for sealing pipe openings, offering versatility for various applications. Available in a range of stainless steel grades, customers can easily find the perfect fit for their needs. Stainless steel is known for its forgeability, and our flanges boast both physical and mechanical strength, capable of withstanding harsh environments. The carbon content in our stainless steel alloys prevents carbide precipitation during welding, enhancing their durability. Even in welded conditions, our SS blind flange ANSI /ASME B16.5 maintains their resistance to erosion, making them a dependable choice for industrial applications.

Our company provides high-quality SS blind flange en 1092-1 with excellent mechanical properties, including solidity, boiling point, and elongation. Through cold working, our alloy achieves enhanced hardness and strength, resulting in products with superior strength and exceptional formability. These attributes make our SS Blind Flanges highly sought after across various industries, including food and beverage processing, petrochemical, construction, and especially the chemical sector. Our flanges boast resistance to various corrosion types, including impact corrosion, stress corrosion cracking, crevice corrosion, and pitting corrosion. Additionally, they exhibit resistance to seawater rust and oxidation. Explore our ASME B16.5 Blind Flange Dimensions for precise specifications.
Our product resists atmospheric corrosion and highly oxidising and reducing environments. The packaging is most important at Nextgen Steel & Alloys. This material saves our products from any environmental attack. We can export our products through airways or waterways. Our company exports SS Blind Flanges at the best market rate. In our manufacturing department, all the latest machinery is available to help workers produce and reduce the best flanges.
SS Blind Flanges Specifications
ASTM A182/ ASME SA182
SS Blind Flanges Dimensions
ANSI/ASME B16.5, B16.47 Series A & B, B16.48, BS4504, BS 10, EN-1092, DIN, etc.
SS Blind Flanges Standard
ANSI Flanges, ASME Flanges, BS Flanges, DIN Flanges, EN Flanges, etc.
SS Blind Flanges Size
1/2″ (15 NB) to 48″ (1200NB)
SS Blind Flanges Class / Pressure
150#, 300#, 600#, 900#, 1500#, 2500#, PN6, PN10, PN16, PN25, PN40, PN64 etc.
SS Blind Flange Face Type
Flate Face (FF), Raised Face (RF), Ring Type Joint (RTJ)




| Grades | DIN | UNS | JIS | BS | GOST | AFNOR | EN |
| SS 304 | 1.4301 | S30400 | SUS 304 | 304S31 | 08Х18Н10 | Z7CN18‐09 | X5CrNi18-10 |
| SS 304L | 1.4306 / 1.4307 | S30403 | SUS 304L | 3304S11 | 03Х18Н11 | Z3CN18‐10 | X2CrNi18-9 / X2CrNi19-11 |
| SS 310 | 1.4841 | S31000 | SUS 310 | 310S24 | 20Ch25N20S2 | – | X15CrNi25-20 |
| SS 310S | 1.4845 | S31008 | SUS 310S | 310S16 | 20Ch23N18 | – | X8CrNi25-21 |
| SS 316 | 1.4401 / 1.4436 | S31600 | SUS 316 | 316S31 / 316S33 | – | Z7CND17‐11‐02 | X5CrNiMo17-12-2 / X3CrNiMo17-13-3 |
| SS 316L | 1.4404 / 1.4435 | S31603 | SUS 316L | 316S11 / 316S13 | 03Ch17N14M3 / 03Ch17N14M2 | Z3CND17‐11‐02 / Z3CND18‐14‐03 | X2CrNiMo17-12-2 / X2CrNiMo18-14-3 |
| SS 316Ti | 1.4571 | S31635 | SUS 316Ti | 320S31 | 08Ch17N13M2T | Z6CNDT17‐123 | X6CrNiMoTi17-12-2 |
| SS 317 | 1.4449 | S31700 | SUS 317 | – | – | – | – |
| SS 317L | 1.4438 | S31703 | SUS 317L | – | – | – | X2CrNiMo18-15-4 |
| SS 321 | 1.4541 | S32100 | SUS 321 | – | – | – | X6CrNiTi18-10 |
| SS 321H | 1.4878 | S32109 | SUS 321H | – | – | – | X12CrNiTi18-9 |
| SS 347 | 1.4550 | S34700 | SUS 347 | – | 08Ch18N12B | – | X6CrNiNb18-10 |
| SS 347H | 1.4961 | S34709 | SUS 347H | – | – | – | X6CrNiNb18-12 |
| SS 446 | 1.4762 / 3 | S44600 | – | – | – | – | – |
| SS 904L | 1.4539 | N08904 | SUS 904L | 904S13 | – | Z2 NCDU 25-20 | X1NiCrMoCu25-20-5 |
| SMO 254 | 1.4547 | S31254 | – | – | – | – | X1CrNiMoCuN20-18-7 |
| NPS | Outside Diameter (OD) | Thickness (T) | Raised Face Diameter (RFD) | Number of Bolt Holes | Bolt Hole Diameter (BHD) |
| 1/2″ | 3.50″ | 0.44″ | 1.38″ | 4 | 0.62″ |
| 3/4″ | 3.88″ | 0.50″ | 1.69″ | 4 | 0.62″ |
| 1″ | 4.25″ | 0.56″ | 2.00″ | 4 | 0.62″ |
| 1 1/4″ | 4.62″Nominal Pipe Size ( | 0.62″ | 2.38″ | 4 | 0.62″ |
| 1 1/2″ | 5.00″ | 0.69″ | 2.69″ | 4 | 0.62″ |
| 2″ | 6.00″ | 0.75″ | 3.38″ | 4 | 0.62″ |
| 2 1/2″ | 7.00″ | 0.88″ | 4.12″ | 4 | 0.62″ |
| 3″ | 7.50″ | 0.94″ | 4.69″ | 4 | 0.62″ |
| 4″ | 9.00″ | 1.06″ | 5.50″ | 8 | 0.75″ |
| 5″ | 10.00″ | 1.19″ | 6.50″ | 8 | 0.75″ |
| 6″ | 11.00″ | 1.31″ | 7.50″ | 8 | 0.75″ |
| 8″ | 13.50″ | 1.44″ | 9.50″ | 8 | 0.75″ |
| 10″ | 16.00″ | 1.56″ | 11.75″ | 12 | 0.88″ |
| 12″ | 19.00″ | 1.69″ | 14.25″ | 12 | 0.88″ |
| 14″ | 21.00″ | 1.81″ | 16.25″ | 12 | 0.88″ |
| 16″ | 23.50″ | 2.00″ | 18.75″ | 16 | 1.00″ |
| 18″ | 25.00″ | 2.12″ | 20.75″ | 16 | 1.00″ |
| 20″ | 27.50″ | 2.25″ | 23.00″ | 20 | 1.12″ |
| 24″ | 32.00″ | 2.50″ | 27.25″ | 20 | 1.12″ |
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