Alloy 20 spectacle blind flanges are an essential component for ensuring safe and effective pipeline isolation during routine inspections, maintenance, or system changes. Tesco Steel & Engineering provides high-quality spectacle blind flanges crafted for reliable shutoff and easy switching between open and closed positions without compromising system integrity. Our spectacle blinds conform to global project needs with equivalent grades such as UNS N08020, 2.4660, WP20CB, AFNOR Z2NCUD31-20AZ, and EN NiCr20CuMo, making them a dependable choice for acid processing, pharmaceuticals, and chemical industries requiring corrosion-resistant solutions.
Tesco Steel & Engineering ensures that every Alloy 20 spectacle blind flange undergoes rigorous quality checks and precision machining, guaranteeing consistent flatness, dimensional accuracy, and reliable performance in aggressive service environments. The chemical composition of Alloy 20 includes 32-38% nickel, 19-21% chromium, 3-4% copper, and 2-3% molybdenum, along with iron, niobium, and manganese, providing exceptional resistance to sulfuric acid environments and chloride-induced pitting and cracking. These spectacle blind flanges are ideal for industries needing dependable, quick shutoff solutions to safely manage flow and protect equipment in pipelines handling corrosive media.
Tesco Steel & Engineering exports Alloy 20 spectacle blind flanges to the USA, Germany, the UK, Saudi Arabia, the UAE, and Qatar, delivering high-quality flange solutions to Western and Middle Eastern markets. We are committed to competitive pricing, strict quality control, and on-time delivery, ensuring your critical projects benefit from reliable spectacle blind flanges that enhance operational safety and reduce system downtime. By partnering with Tesco Steel & Engineering, you equip your pipelines with corrosion-resistant Alloy 20 spectacle blind flanges that provide long-term durability, seamless flow management, and safety for your industrial and chemical processing operations.
| C | Mn | Si | P | S | Cu | Cr | Mo | Ni |
|---|---|---|---|---|---|---|---|---|
| 0.070 max | 2.00 max | 1.00 max | 0.045 max | 0.035 max | 3.00-4.00 | 19.00-21.00 | 2.00-3.00 | 32.00-38.00 |
| Tensile Strength, MPa | Yield Strength, Min, Mpa | Elongation % min. |
|---|---|---|
| 551 | 241 | 30 |
| Standard | Werkstoff Nr. | UNS | AFNOR | EN |
|---|---|---|---|---|
| Alloy 20 | 2.4660 | N08020 | Z2NCUD31-20AZ | NiCr20CuMo |
| Alloy 20 Spectacle Blind Flanges are available in the following specifications: | |
|---|---|
| Size | 1/2"NB to 56"NB |
| Class | 150#, 300#, 3000#, 6000#, 9000# |
| Sch (Schedule) | XS, XXS, STD & Schedule 20, 40, 80, 160 |
| Pressure Ratings | PN 1 - PN 400 |
| Other Services | Hot Dip Galvanized (GI) Alloy 20 Spectacle Blind Flanges Sand Blasting on Alloy 20 Spectacle Blind Flanges Shot Peening on Alloy 20 Spectacle Blind Flanges Epoxy Coating on Alloy 20 Spectacle Blind Flanges FBE Coating on Alloy 20 Spectacle Blind Flanges |
Countries we export to: Alloy 20 Spectacle Blind Flanges Manufacturers / Suppliers / Stockist in Kuwait, UAE, Germany, Saudi Arabia, West Africa, Iraq, Congo, Mexico, Bahrain, Canada, Philippines, Thailand, Kenya, Oman, Malaysia, Turkey, Qatar, Sudan, Netherlands, Oman, Nigeria, Lithuania, Gabon, Russia, Vietnam, Angola, Bolivia, Indonesia, UK, Yemen, Italy, United States, Venezuela, Spain, Iran, Estonia, Kazakhstan, Algeria, Jordan, Ecuador, Portugal, Colombia, Libya, Chile, Peru, Iran, South Africa, Bangkok, Namibia, Jeddah, Afghanistan, Israel, Zambia, Macau, Morocco, Denmark, Taiwan, Norway, Belarus, North Macedonia, Lebanon, Sri Lanka, Bhutan, Bulgaria, Albania, Ukraine, Belgium, Finland, Slovokia, Tibet, Romania, France, Brazil, Trinidad & Tobago, Fiji, Tunisia, Gambia, Mexico, Hungary, Zimbabwe, Mongolia, Ghana, Egypt, Kazakhstan, Czech Republic, Azerbaijan, Poland, Greece, Costa Rica, Kosovo, New Zealand, Croatia, Puerto Rico, Tanzania, Somalia.
Major Exporting Areas: Alloy 20 Spectacle Blind Flanges Manufacturers / Suppliers / Stockist in Moscow, Port-Of-Spain, Seoul, Montreal, Dubai, Kuala Lumpur, Aberdeen, Tehran, Bogota, Petaling Jaya, Melbourne, Abu Dhabi, Courbevoie, Edmonton, Ho Chi Minh City, Bangkok, Toronto, Muscat, Milan, Busan, Mexico City, Perth, La Victoria, Santiago, Rio de Janeiro, London, Karachi, Los Angeles, Manama, Geoje-si, Atyrau, Sydney, Riyadh, New York, Jeddah, Houston, Granada, Jakarta, Brisbane, Algiers, Kuwait City, Dubai, Hanoi, Doha, Al Jubail, Chiyoda, Cairo, Gimhae-si, Caracas, Lagos, Al Khobar, Madrid, Singapore, Calgary, Colombo, Ulsan, Istanbul, Ahvaz, Dammam, Dallas, Texas, Ankara, Sharjah, Vung Tau, Angola, Benin, Burundi, Botswana, Burkina Faso, Cameroon, Douala, Central African Republic, Republic of Congo, Democratic Republic of Congo, Côte d'Ivoire, Djibouti, Eritrea, Ethiopia, Equatorial Guinea, Gabon, Guinea, Kenya, Liberia,Malawi, Mali, Mauritania, Mauritius, Casablanca-Settat, Tanger-Tetouan-Al Hoceima, Fès-Meknès, Marrakesh-Safi, Oriental, Béni Mellal-Khénifra, Souss-Massa, Laâyoune-Sakia El Hamra, Rabat-Salé-Kénitra region, Mozambique, Temara, Niger, Rwanda, Senegal, Sierra Leone, Sudan, Tanzania, Togo, Uganda, Bangkok, Bangchan, Khlong Sam Wa, Gemopolis, Lard Krabang, Pathumthani, Bangkadi, Navanakorn, Samut Prakarn, Bangplee, Bangpoo, Saraburi, Nongkhae, SIL I/Land, Chachoengsao, Alloy 20 I/P, Gateway City, Wellgrow, Rayong, Amata City, Eastern Seaboard, Hemaraj Eastern Seaboard, Rojana, Soam Eastern, Chonburi, Amata Nakorn, Hemaraj Chonburi, Pinthong, Ayutthaya, Bangpa-in, Saha Ratna Nakorn, Nakornratchasima, Kabinburi, Prachinburi, HCMC, Tan Thuan Export Processing Zone, Bien Hoa, Dong Nai Province, Amata City Bien Hoa Industrial Park, Long Binh Techno Park, Binh Duong Province, Vietnam Singapore Industrial Park, My Phuoc Industrial Park, Ho Nai Industrial Zone, Bau Xeo Industrial Park, Long Thanh Industrial Zone, Long Duc Industrial Park, Duc Hao I, Tan Huong, Long Jiang, Tra Noc I/II, Hung Phu I, Hiep Phuoc Industrial Park, Phuoc Dong Industrial Park, Dinh Vu – Cat Hai Economic Zone.