The 5 Inch Blind Flange by Emirerri Steel is a high-performance, durable sealing solution designed to cap the end of a pipe or vessel, effectively preventing fluid and gas flow. Available in Stainless Steel, Carbon Steel, and Nickel Alloy Steel, this flange is engineered to meet the needs of various demanding industries, including oil & gas, petrochemical, power generation, and chemical processing.
- 5 Inch Stainless Steel Blind Flange: Known for its outstanding corrosion resistance and strength, this flange is ideal for harsh environments such as marine, food processing, and chemical industries. It can handle high pressures and temperatures, ensuring long-lasting performance in critical applications.
- 5 Inch Carbon Steel Blind Flange: This flange offers excellent structural strength, making it suitable for high-pressure systems. It is a cost-effective option for industries like power plants, refineries, and construction where high strength and reliability are essential.
- 5 Inch Nickel Alloy Steel Blind Flange: Designed for extreme corrosion resistance, this flange performs exceptionally well in environments exposed to harsh chemicals, high pressures, and elevated temperatures. It is ideal for highly corrosive environments like chemical processing and aerospace.
The 5 Inch Blind Flange provides a secure, leak-proof seal, offering superior reliability and long-term performance. Available in various grades and customizable to meet specific project requirements, this flange ensures the safety and efficiency of your piping systems in the toughest conditions.
Our Steel Grades
Austenitic
| Grade | USA | Japan | Germany | UK | France | Sweden | China |
| ANSI/ASME | JIS | DIN | BS | EN | AFNOR | SS | GB |
| 304 | AISI 304 | SUS 304 | 1.4301 | 304S31 | X5CrNi18-10 | Z6CN18-09 | 2337 | 0Cr18Ni9 |
| 304L | AISI 304L | SUS 304L | 1.4306 | 304S11 | X2CrNi19-11 | - | 1.4306 | 00Cr19Ni10 |
| 304H | AISI 304H | SUS 304H | 1.4301H | 1.4301H | 304S41 | X5CrNi18-10 | - | 0Cr18Ni9H |
| 316 | AISI 316 | SUS 316 | 1.4401 | 316S31 | X5CrNiMo17-12-2 | Z6CNMo17-12-2 | 1.4401 | 0Cr17Ni12Mo2 |
| 316L | AISI 316L | SUS 316L | 1.4404 | 316S11 | X2CrNiMo17-12-2 | - | 1.4404 | 00Cr17Ni12Mo2 |
| 303 | AISI 303 | SUS 303 | 1.4305 | 303S31 | X8CrNiS18-9 | - | 1.4305 | 0Cr17Ni12 |
| 309 | AISI 309 | SUS 309 | 1.4828 | 309S31 | X15CrNi25-20 | - | 1.4828 | - |
| 309S | AISI 309S | SUS 309S | 1.4833 | 309S31 | X15CrNi25-20 | - | 1.4833 | - |
| 309H | AISI 309H | SUS 309H | 1.4833 | 309H31 | X15CrNi25-20 | - | 1.4833 | - |
| 310 | AISI 310 | SUS 310 | 1.4841 | 310S31 | X15CrNi25-20 | - | 1.4841 | - |
| 310S | AISI 310S | SUS 310S | 1.4841 | 310S31 | X15CrNi25-20 | - | 1.4841 | - |
| 310H | AISI 310H | SUS 310H | 1.4845 | 310H31 | X15CrNi25-20 | - | 1.4845 | - |
| 317 | AISI 317 | SUS 317 | 1.4449 | 317S31 | X6CrNiMoTi17-12-2 | - | 1.4449 | - |
| 317L | AISI 317L | SUS 317L | 1.4438 | 317S11 | X2CrNiMo17-12-2 | - | 1.4438 | - |
| 317LMN | AISI 317LMN | - | 1.4438 | - | X2CrNiMoN17-12-2 | - | 1.4438 | - |
| 321 | AISI 321 | SUS 321 | 1.4541 | 321S31 | X6CrNiTi18-10 | Z6CnTi18-10 | 1.4541 | 1Cr18Ni11Ti |
| 321H | AISI 321H | SUS 321H | 1.4541H | 321H31 | X6CrNiTi18-10 | - | 1.4541H | 1Cr18Ni11TiH |
| 347 | AISI 347 | SUS 347 | 1.455 | 347S31 | X6CrNiNb18-10 | Z6CnNb18-10 | 1.455 | 1Cr18Ni11Nb |
| 347H | AISI 347H | SUS 347H | 1.4550H | 347H31 | X6CrNiNb18-10 | - | 1.4550H | 1Cr18Ni11NbH |
Ferritic, Martensitic, Duplex, Precipitation Hardening
| Grade | USA | Japan | Germany | UK | France | Sweden | China |
| ANSI/ASME | JIS | DIN | BS | EN | AFNOR | SS | GB |
| 430 | AISI 430 | SUS 430 | 1.4016 | 430S17 | X12Cr17 | Z10CD17 | 1.4016 | 1Cr17 |
| 434 | AISI 434 | SUS 434 | 1.4112 | 434S17 | X15CrNiSi20-12 | – | 1.4112 | 1Cr18Si19 |
| 436 | AISI 436 | SUS 436 | 1.4112 | 436S21 | X3Cr12 | – | 1.4112 | 1Cr12 |
| 444 | AISI 444 | SUS 444 | 1.4521 | 444S23 | X2CrTi12 | – | 1.4521 | 0Cr18Ti12 |
| 409 | AISI 409 | SUS 409 | 1.4512 | 409S17 | X8Cr17 | Z10CD17 | 1.4512 | 1Cr17 |
| 409L | AISI 409L | SUS 409L | 1.4512L | 409L | X8Cr17 | – | 1.4512L | 1Cr17L |
| 410 | AISI 410 | SUS 410 | 1.4006 | 410S21 | X20Cr13 | Z20CD13 | 1.4006 | 1Cr13 |
| 420 | AISI 420 | SUS 420 | 1.4021 | 420S29 | X20Cr13 | Z20CD13 | 1.4021 | 1Cr13 |
| 431 | AISI 431 | SUS 431 | 1.4057 | 431S29 | X12CrMoV12-3 | – | 1.4057 | 1Cr13MoV |
| 440A | AISI 440A | SUS 440A | 1.4115 | 440S38 | X50CrMoV15 | – | 1.4115 | 1Cr15MoV |
| 440B | AISI 440B | SUS 440B | 1.4418 | 440S40 | X55CrMoV14 | – | 1.4418 | 1Cr17MoV |
| 440C | AISI 440C | SUS 440C | 1.4125 | 440S45 | X65Cr13 | – | 1.4125 | 1Cr18Mo |
| 2205 | AISI 2205 | SUS 2205 | 1.4462 | 2205S32 | X2CrNiMoN22-5-3 | Z3CN22-5-3 | 1.4462 | – |
| 2507 | AISI 2507 | SUS 2507 | 1.441 | 2507S32 | X2CrNiMoCu25-7-4 | Z6CN25-7-4 | 1.441 | – |
| 2304 | AISI 2304 | SUS 2304 | 1.4362 | 2304S31 | X2CrNiMoN21-5-2 | – | 1.4362 | – |
| 904L | AISI 904L | SUS 904L | 1.4539 | 904S13 | X1NiCrMoCu25-20-5 | Z6CND25-20-5 | 1.4539 | – |
| LDX 2101 | – | – | 1.4162 | LDX | X2CrNiN22-5-2 | – | 1.4162 | – |
| S32205 | – | – | 1.4462 | S32205 | X2CrNiMoN22-5-3 | – | 1.4462 | – |
| 17-4 PH | AISI 17-4 PH | SUS 17-4 PH | 1.4542 | 17-4 PH | X5CrNiCuNb16-4 | Z5CNCuNb16-4 | 1.4542 | – |
| 15-5 PH | AISI 15-5 PH | SUS 15-5 PH | 1.4545 | 15-5 PH | X5CrNiCuNb15-4 | Z5CNCuNb15-4 | 1.4545 | – |
| 13-8 Mo | AISI 13-8 Mo | SUS 13-8 Mo | 1.4548 | 13-8 Mo | X4CrNiMo16-5-1 | Z4CNiMo16-5-1 | 1.4548 | – |
| 17-7 PH | AISI 17-7 PH | SUS 17-7 PH | 1.4568 | 17-7 PH | X7CrNiAl17-7 | Z7CNiAl17-7 | 1.4568 | – |
| 2507 | AISI 2507 | SUS 2507 | 1.441 | 2507S32 | X2CrNiMoCu25-7-4 | Z6CN25-7-4 | 1.441 | – |
Carbon Steel
| USA (AISI/SAE) | Japan (JIS) | Germany (W-nr) | DIN | BS (UK) | Europe (EN) | France (AFNOR) | Italy (UNI) | Sweden (SS) | China (GB) |
| A36 | SS400 | 1.0117 | St37-2 | 40EE | S235J2 | A37-2 | Fe360B | 17100 | Q235B |
| 1015 | SM400A | 1.0038 | RSt37-2 | 40A | S235JR | E24-2 | Fe360B | 1311 | Q235A |
| 1035 | S35C | 1.0501 | C35 | 070M36 | C35 | AF55C35 | C35 | 1550 | 35 |
| 12L14 | SUM24L | 1.0736 | 9SMnPb28 | 230M07Pb | 11SMnPb30 | - | AVZ | 1914 | Y12Pb |
| A105 LF2 | SF440A | 1.046 | C22.8 | 161-360A | P250GH | C22.8 | C21 | - | 20MnK |
| 55 | S55C | 1.0535 | C55 | 070M55 | C55 | XC55 | C55 | 1655 | 55 |
| 1042/1045 | S45C | 1.0503 | C45 | 070M46 | Ck42 | AF65C45 | C45 | 1650 | 40 |
| 1040/1038 | S40C | 1.0511 | C40 | 080M40 | C40 | AF60C40 | C40 | 1671 | 40 |
| 1050 | S50C | 1.054 | C50 | 080A52 | C50 | XC48H1 | C50 | 1674 | 50 |
| 4130 | SCM430 | 1.7218 | 25CrMo4 | 708A25 | 25CrMo4 | 25CD4 | 25CrMo4 | 2244 | 30CrMo |
| A283 Gr.CSS330 | 1.0038 | 1.0038 | St37-2 | 43C | S185 | A33-3 | Fe320 | 17100 | Q235C |
| A572 Gr.50SM490A | 1.0545 | 1.0545 | S355J2G3 | 50D | S355JR | Fe510D | 1872 | Q345B | Q345B |
| 4140 | SCM440 | 1.7225 | 42CrMoS4 | 708M40 | 42CrMoS4 | 42CD4u | 42CrMo4 | 2244 | 42CrMo |
| 4340 | SNCM439 | 1.6582 | 34CrNiMo6V | 817M40 | 34CrNiMo6 | 35NCD6 | 35NiCrMo6KB | 2541 | ZG34CrNiMo |
| 5160 | SUP9 | 1.1777 | 51CrV4 | 251A58 | 51CrV4 | 51CDV4 | 50CrV4 | 2551 | 60CrMnV |
| 8620 | SNCM220 | 1.6523 | 20CrNiMo2 | 805M20 | 20NiCrMo2 | 20NCD2 | 20CrNiMo | 2258 | 20CrNiMo |
| 300M | - | 1.6957 | 43CrNiMo8-6-4 | - | 40NiCrMo8-4-4 | 40CNCD8-6 | - | - | 40CrNiMo |
| USA (AISI/SAE) | Japan (JIS) | Germany (W-nr) | DIN | BS (UK) | Europe (EN) | France (AFNOR) | Italy (UNI) | Sweden (SS) | China (GB) |
| A36 | SS400 | 1.0117 | St37-2 | 40EE | S235J2 | A37-2 | Fe360B | 17100 | Q235B |
| 1015 | SM400A | 1.0038 | RSt37-2 | 40A | S235JR | E24-2 | Fe360B | 1311 | Q235A |
| 1035 | S35C | 1.0501 | C35 | 070M36 | C35 | AF55C35 | C35 | 1550 | 35 |
| 12L14 | SUM24L | 1.0736 | 9SMnPb28 | 230M07Pb | 11SMnPb30 | - | AVZ | 1914 | Y12Pb |
| A105 LF2 | SF440A | 1.046 | C22.8 | 161-360A | P250GH | C22.8 | C21 | - | 20MnK |
| 55 | S55C | 1.0535 | C55 | 070M55 | C55 | XC55 | C55 | 1655 | 55 |
| 1042/1045 | S45C | 1.0503 | C45 | 070M46 | Ck42 | AF65C45 | C45 | 1650 | 40 |
| 1040/1038 | S40C | 1.0511 | C40 | 080M40 | C40 | AF60C40 | C40 | 1671 | 40 |
| 1050 | S50C | 1.054 | C50 | 080A52 | C50 | XC48H1 | C50 | 1674 | 50 |
| 4130 | SCM430 | 1.7218 | 25CrMo4 | 708A25 | 25CrMo4 | 25CD4 | 25CrMo4 | 2244 | 30CrMo |
| A283 Gr.CSS330 | 1.0038 | 1.0038 | St37-2 | 43C | S185 | A33-3 | Fe320 | 17100 | Q235C |
| A572 Gr.50SM490A | 1.0545 | 1.0545 | S355J2G3 | 50D | S355JR | Fe510D | 1872 | Q345B | Q345B |
| 4140 | SCM440 | 1.7225 | 42CrMoS4 | 708M40 | 42CrMoS4 | 42CD4u | 42CrMo4 | 2244 | 42CrMo |
| 4340 | SNCM439 | 1.6582 | 34CrNiMo6V | 817M40 | 34CrNiMo6 | 35NCD6 | 35NiCrMo6KB | 2541 | ZG34CrNiMo |
| 5160 | SUP9 | 1.1777 | 51CrV4 | 251A58 | 51CrV4 | 51CDV4 | 50CrV4 | 2551 | 60CrMnV |
| 8620 | SNCM220 | 1.6523 | 20CrNiMo2 | 805M20 | 20NiCrMo2 | 20NCD2 | 20CrNiMo | 2258 | 20CrNiMo |
| 300M | - | 1.6957 | 43CrNiMo8-6-4 | - | 40NiCrMo8-4-4 | 40CNCD8-6 | - | - | 40CrNiMo |
| 4130 | SCM420 | 1.7218 | 25CrMo4 | 708A25 | 25CrMo4 | - | 25CrMo4 | 2142 | 30CrMo |
| 4140/4142 | SCM440H | 1.7225 | 42CrMo4 | 708M40 | 42CrMo4 | 42CD4 | 42CrMo4 | 2244 | 42CrMo |
| 4340 | SNCM447 | 1.6582 | 34CrNiMo6 | 817M40 | 34CrNiMo6 | 35NCD6 | 35CrNiMo6 | 2541 | 34CrNi3Mo |
| 8620 | SNCM220 | 1.6523/- | 20NiCrMo2-2 | 805A20 | 20NiCrMo2-2 | 20NCD2 | 20NiCrMo2 | 2520 | 20CrNiMo |
| 52100 | SUJ2 | 1.2067 | 100Cr6 | 534A99 | 102Cr6 | 100Cr6 | 100Cr6 | 2258 | GCr15 |
| 5140 | SCR440 | 1.7035 | 41Cr4 | 530M40 | 41Cr4 | 41CD4 | 41Cr4 | 2241 | 40Cr |
| 6150 | SCRV50 | 1.8159 | 50CrV4 | 735A50 | 51CrV4 | 50CV4 | 50CrV4 | 2230 | 50CrVA |
| 8627 | SNCM220 | - | - | - | - | - | - | - | - |
| 1527 | SCMn2 | 1.0401 | 28Mn6 | 120M36 | 28Mn6 | 35Mn5 | C28Mn | 1370 | 30Mn2 |
| 5120 | SCM220 | 1.7027 | 20Cr4 | 530M20 | 20Cr4 | 20CD4 | 20Cr4 | 2252 | 20CrMn |
| 8622 | SNCM220 | - | - | - | - | - | - | - | - |
| 4320 | SNCM420 | 1.6523 | 20NiCrMo2-2 | 805M20 | 20NiCrMo2-2 | 20NCD2 | 20NiCrMo2 | - | 20CrNiMo |
| 5015 | SCR415 | 1.7015 | 15Cr3 | 530M15 | 15Cr3 | - | - | 2115 | 15CrMn |
| 5130 | SCR430 | 1.7176 | 30Cr4 | 530M30 | 30Cr4 | - | - | - | 30CrMnSi |
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