API 605 Class 300 Weld Neck Flanges are engineered to provide a secure, leak-proof connection for high-pressure piping systems. These flanges are designed with a long tapered hub that transfers stress to the pipe, making them ideal for demanding environments. They are also referred to as API 605 WNRF #300 (Weld Neck Raised Face), API 605 WNFF #300 (Weld Neck Flat Face), API 605 WNRTJ #300 (Weld Neck Ring Type Joint), and simply API 605 WN Flanges #300. At Tesco Steel & Engineering, we specialize in manufacturing high-quality weld neck flanges that meet stringent international standards while ensuring long-lasting durability and reliable performance.
Our state-of-the-art factory in Mumbai is equipped with advanced CNC machinery, precision engineering tools, and robust quality testing facilities. This enables us to deliver superior API 605 Class 300 weld neck flanges with unmatched accuracy, strength, and finish. Each flange undergoes rigorous inspections and tests, ensuring that clients receive products that can withstand extreme pressures, temperature variations, and corrosive conditions. The combination of high-tech production processes and strict quality control has positioned Tesco Steel & Engineering as a trusted name in the global market.
Tesco Steel & Engineering exports API 605 weld neck flanges 300 class to multiple international destinations, including the USA, UK, Germany, Italy, France, Saudi Arabia, UAE, and Oman. These flanges are widely used across industries such as oil & gas, petrochemicals, power generation, shipbuilding, and water treatment plants. With superior quality products, timely delivery, and a strong presence in Western and Middle Eastern countries, we continue to serve as a reliable manufacturer and exporter for clients worldwide who demand the very best in industrial flange solutions.
| NPS | OD | D | B | H | A | G | K | L | No of Bolts |
Stud Bolt Dia x L |
|
| 26 | 665.2 | 865 | 89 | 169.6 | 702 | 737 | 803.3 | 34.9 | 32 | 1.1/4 | 260 |
| 28 | 716 | 920 | 89 | 149.6 | 756 | 787 | 857.2 | 34.9 | 36 | 1.1/4 | 260 |
| 30 | 768.4 | 990 | 93.7 | 157.6 | 813 | 845 | 920.8 | 38.1 | 36 | 1.3/8 | 273 |
| 32 | 819.2 | 1055 | 103.2 | 168.6 | 864 | 902 | 977.9 | 41.3 | 32 | 1.1/2 | 298 |
| 34 | 870 | 1110 | 103.2 | 172.6 | 918 | 953 | 1031.9 | 41.3 | 36 | 1.1/2 | 298 |
| 36 | 920.8 | 1170 | 103.2 | 180.6 | 965 | 1010 | 1089 | 44.5 | 32 | 1.3/8 | 305 |
| 38 | 971.6 | 1220 | 111.2 | 191.6 | 1016 | 1060 | 1139.8 | 44.5 | 36 | 1.3/8 | 324 |
| 40 | 1022.4 | 1275 | 115.9 | 198.6 | 1067 | 1114 | 1190.6 | 44.5 | 40 | 1.5/8 | 330 |
| 42 | 1074.7 | 1335 | 119.1 | 204.6 | 1118 | 1168 | 1244.6 | 47.6 | 36 | 1.3/4 | 343 |
| 44 | 1125.5 | 1385 | 127.1 | 214.6 | 1173 | 1219 | 1295.4 | 47.6 | 40 | 1.3/4 | 362 |
| 46 | 1176.3 | 1460 | 128.6 | 222.6 | 1229 | 1270 | 1365.2 | 50.8 | 36 | 1.7/8 | 368 |
| 48 | 1227.1 | 1510 | 128.6 | 223.6 | 1278 | 1327 | 1416 | 50.8 | 40 | 1.7/8 | 368 |
| 50 | 1277.9 | 1560 | 138.2 | 234.6 | 1330 | 1378 | 1466.8 | 50.8 | 44 | 1.7/8 | 387 |
| 52 | 1328.7 | 1615 | 142.9 | 242.6 | 1383 | 1429 | 1517.6 | 50.8 | 48 | 1.7/8 | 400 |
| 54 | 1379.5 | 1675 | 136.6 | 239.6 | 1435 | 1480 | 1578 | 50.8 | 48 | 1.7/8 | 387 |
| 56 | 1430.3 | 1765 | 154 | 268.6 | 1494 | 1537 | 1651 | 60.3 | 36 | 2.1/4 | 438 |
| 58 | 1481.1 | 1825 | 154 | 274.6 | 1548 | 1594 | 1712.9 | 60.3 | 40 | 2.1/4 | 438 |
| 60 | 1557.3 | 1880 | 150.9 | 271.6 | 1599 | 1651 | 1763.7 | 60.3 | 40 | 2.1/4 | 432 |
Countries we export to: API 605 Class 300 Weld Neck Flanges Manufacturers / Suppliers / Stockist in Kuwait, in UAE, in Germany, Saudi Arabia, West Africa, Iraq, Congo, Mexico, Bahra, Canada, Philippes, 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, Ukrae, Belgium, Fland, Slovokia, Tibet, Romania, France, Brazil, Tridad & 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: API 605 #300 Weld Neck 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, 304 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.