ASME B16.5 Class 1500 weld neck flanges are precision-engineered components designed for high-pressure piping systems, offering unmatched strength and reliability. Tesco Steel & Engineering, a leading manufacturer, delivers these flanges with superior quality, adhering to stringent ASME B16.5 standards. Our Class 1500 weld neck flanges are crafted to withstand extreme conditions, making them ideal for industries such as oil and gas, petrochemical, and power generation. With a robust design that ensures leak-proof connections, these flanges are a trusted choice for critical applications. Choose Tesco Steel & Engineering for durable, high-performance ASME B16.5 weld neck flanges that meet global standards.
Tesco Steel & Engineering proudly exports ASME B16.5 Class 1500 weld neck flanges to numerous countries, including the USA, Canada, UK, Germany, Saudi Arabia, UAE, and Qatar. Our products cater to diverse industries, from chemical processing and marine engineering to refineries and nuclear power plants. With a commitment to excellence, we ensure that each flange is manufactured using premium-grade materials and advanced production techniques. Our rigorous quality control processes guarantee that every ASME B16.5 Class 1500 weld neck flange meets the highest standards of performance and durability, making Tesco Steel a preferred supplier for global clients.
Our ASME B16.5 Class 1500 weld neck flanges are renowned for their precision and longevity, reflecting Tesco Steel & Engineering’s dedication to superior craftsmanship. Each flange undergoes thorough testing to ensure compliance with international standards, providing customers with confidence in their performance under high-pressure environments. We offer a wide range of sizes and material options, including stainless steel, carbon steel, and alloy steel, to meet specific project requirements. By exporting to Western and Middle Eastern markets and serving industries worldwide, Tesco Steel & Engineering stands as a trusted name for high-quality ASME B16.5 weld neck flanges that deliver exceptional value and reliability.
| Size in Inch | Size in mm | Outer Diameter | Flange Thickness | Hub OD | Weld Neck OD | Welding Neck Length | Bore | RF Diameter | RF Height | PCD | Weld Face |
| A | B | C | D | E | F | G | H | I | J | ||
| 1/2 | 15 | 120 | 22.3 | 38 | 21.3 | 60 | According to Schedule | 34.9 | 7 | 82.6 | 1.6 |
| 3/4 | 20 | 130 | 25.4 | 44 | 26.7 | 70 | 42.9 | 7 | 88.9 | 1.6 | |
| 1 | 25 | 150 | 28.6 | 52 | 33.4 | 73 | 50.8 | 7 | 101.6 | 1.6 | |
| 1 1/4 | 32 | 160 | 28.6 | 64 | 42.2 | 73 | 63.5 | 7 | 111.1 | 1.6 | |
| 1 1/2 | 40 | 180 | 31.8 | 70 | 48.3 | 83 | 73 | 7 | 123.8 | 1.6 | |
| 2 | 50 | 215 | 38.1 | 105 | 60.3 | 102 | 92.1 | 7 | 165.1 | 1.6 | |
| 2 1/2 | 65 | 245 | 41.3 | 124 | 73 | 105 | 104.8 | 7 | 190.5 | 1.6 | |
| 3 | 80 | 265 | 47.7 | 133 | 88.9 | 117 | 127 | 7 | 203.2 | 1.6 | |
| 4 | 100 | 310 | 54 | 162 | 114.3 | 124 | 157.2 | 7 | 241.3 | 1.6 | |
| 5 | 125 | 375 | 73.1 | 197 | 141.3 | 156 | 185.7 | 7 | 292.1 | 1.6 | |
| 6 | 150 | 395 | 82.6 | 229 | 168.3 | 171 | 215.9 | 7 | 317.5 | 1.6 | |
| 8 | 200 | 485 | 92.1 | 292 | 219.1 | 213 | 269.9 | 7 | 393.7 | 1.6 | |
| 10 | 250 | 585 | 108 | 368 | 273 | 254 | 323.8 | 7 | 482.6 | 1.6 | |
| 12 | 300 | 675 | 123.9 | 451 | 323.8 | 283 | 381 | 7 | 571.5 | 1.6 | |
| 14 | 350 | 750 | 133.4 | 495 | 355.6 | 298 | 412.8 | 7 | 635 | 1.6 | |
| 16 | 400 | 825 | 146.1 | 552 | 406.4 | 311 | 469.9 | 7 | 704.8 | 1.6 | |
| 18 | 450 | 915 | 162 | 597 | 457 | 327 | 533.4 | 7 | 774.7 | 1.6 | |
| 20 | 500 | 985 | 177.8 | 641 | 508 | 356 | 584.2 | 7 | 831.8 | 1.6 | |
| 24 | 600 | 1170 | 203.2 | 762 | 610 | 406 | 692.2 | 7 | 990.6 | 1.6 |
| Size in Inch | Size in mm | No of Bolts | Bolt Size UNC | RF Stud Length | Hole Size | ISO Stud Size | Weight in kg |
| 1/2 | 15 | 4 | 3/4 | 110 | 7/8 | M20 | 2.3 |
| 3/4 | 20 | 4 | 3/4 | 115 | 7/8 | M20 | 2.7 |
| 1 | 25 | 4 | 7/8 | 125 | 1 | M24 | 4.1 |
| 1 1/4 | 32 | 4 | 7/8 | 125 | 1 | M24 | 4.6 |
| 1 1/2 | 40 | 4 | 1 | 140 | 1 1/8 | M27 | 5.9 |
| 2 | 50 | 8 | 7/8 | 145 | 1 | M24 | 11.4 |
| 2 1/2 | 65 | 8 | 1 | 160 | 1 1/8 | M27 | 16.4 |
| 3 | 80 | 8 | 1 1/8 | 180 | 1 1/4 | M30 | 21.8 |
| 4 | 100 | 8 | 1 1/4 | 195 | 1 3/8 | M33 | 33 |
| 5 | 125 | 8 | 1 1/2 | 250 | 1 5/8 | M39 | 59 |
| 6 | 150 | 12 | 1 3/8 | 260 | 1 1/2 | M36 | 75 |
| 8 | 200 | 12 | 1 5/8 | 290 | 1 3/4 | M42 | 125 |
| 10 | 250 | 12 | 1 7/8 | 335 | 2 | M48 | 207 |
| 12 | 300 | 16 | 2 | 375 | 2 1/8 | M52 | 314 |
| 14 | 350 | 16 | 2 1/4 | 405 | 2 3/8 | M56 | 427 |
| 16 | 400 | 16 | 2 1/2 | 445 | 2 5/8 | M64 | 568 |
| 18 | 450 | 16 | 2 3/4 | 495 | 2 7/8 | M72 | 738 |
| 20 | 500 | 16 | 3 | 540 | 3 1/8 | M76 | 932 |
| 24 | 600 | 16 | 3 1/2 | 615 | 3 5/8 | M90 | 1511 |
| Class #150 Weld Neck Flange |
| Class #300 Weld Neck Flange |
| Class #400 Weld Neck Flange |
| Class #600 Weld Neck Flange |
| Class #900 Weld Neck Flange |
| Class #1500 Weld Neck Flange |
| Class #2500 Weld Neck Flange |
Countries we export to: Manufacturers / Suppliers / Stockist of ANSI ASME B16.5 Class 1500 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: ASME B16.5 CLass 1500 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.