Nickel Alloy WNRF Flange Manufacturers and Suppliers:
A High Nickel Alloys Weld Neck Flange is a type of flange that is commonly used in high-temperature and high-pressure applications. These High Nickel Alloys Weld Neck flanges are typically made from high-nickel alloys such as Inconel, Hastelloy, or Monel, which are known for excellent corrosion resistance, high strength, and good weldability.
ISO Approved Hastelloy Weld Neck Flange Manufacturer In India, Inconel Weld Neck Flange, Monel Weld Neck Flange, Copper Nickel WNRF Flange, Inconel 600 Weld Neck Flange, Hastelloy C22 Weld Neck Flange Dimensions Chart, Tolerances, Weight Chart
The High Nickel Alloys weld neck flange has a long tapered neck that is welded to the pipe, which provides additional strength and support to the joint. This type of flange is designed to be used in applications where high pressure and temperature are present, as the Nickel Alloys weld neck flange offers excellent strength and leak-free performance.
High Nickel Alloys Weld Neck Flanges are used in a variety of industries including oil and gas, chemical processing, and power generation. High Nickel Alloys Weld Neck Flanges are often used in critical applications where reliability and safety are paramount, such as in pipelines, refineries, and nuclear power plants.
We have the ready inventory of High Nickel Alloys Weld Neck Flange in the different size ranges of 3 Inch, 2 Inch, 5 Inch, 4 Inch, 2.5 Inch WNRF Flange.
Nickel Alloy Weld Neck Flange Standard Specifications
Standards
ANSI B16.5, ANSI B16.47, ANSI B16.36, ANSI B16.48, BS 4504, EN1092, UNI 2277/2278, DIN, JIS, SABS1123, GOST-12820
Form
WNRF
BS/JIS
BS4504 , BS4504, BS1560, BS10,5K, 10K, 16K, 20K, 30K, 40K, 63K
Face Type
Flat Face (FF), Raise Face (RF), Ring Joint (RJT)
Dimensions
ANSI B16.5, ANSI B16.47 Series A & B, MSS SP44, ASA, API-605, AWWA, Custom Drawings
Size Range (inches)
From ½” (15 NB) to 48″ (1200NB)
Class
150 LBS, 300 LBS, 600 LBS, 900 LBS, 1500 LBS, 2500 LBS, DIN Standard ND-6,10, 16, 25, 40.
Connection Type
RTJ, Lap-Joint Face, Raised Face, Flat Face, Large Male-Female, Small Male-Female, Large, Tongue & Groove, Small Tongue & Groove
ASTM A182 Weld Neck Flange, Inconel 625 Weld Neck Flange, Hastelloy C276 WNRF Flange, Incoloy 800 Weld Neck Flange, Monel 400 Weld Neck Flange, Incoloy 800 Weld Neck Flange, Incoloy 825 Weld Neck Flange, Alloy 20 WNRF Flange, SMO 254 Weld Neck Flange, Titanium Alloy Weld Neck Flange. Get best Price List.
High Nickel Alloy Weld Neck Flange Dimensions & Weight Chart
High Nickel Alloy Weld Neck Flange - Dimensions & Weight Chart
Dimensions & Weight of Class 150 RF Weld Neck Flanges Series A as per ASME B16.47
| Nominal Pipe Size |
OD of Flange (O) |
Thickness of Flange (C) |
Length thru Hub (V) |
Dia of Hub at base (X) |
Dia of Hub at end (A) |
Dia of Raised Face (R) |
Dia of Bolt Circle |
No of Bolt Holes |
Dia of Bolt Holes |
Dia of Bolt |
Fillet Radius (r1) |
Approx Weight (kg) |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 26 | 870 | 68.3 | 120.7 | 676.1 | 660.4 | 749.3 | 806.5 | 24 | 35.1 | 31.8 | 9.7 | 150 |
| 28 | 927.1 | 71.4 | 125.5 | 726.9 | 711.2 | 800.1 | 863.6 | 28 | 35.1 | 31.8 | 11.2 | 171 |
| 30 | 984.30 | 74.70 | 136.7 | 781.1 | 762 | 857.3 | 914.4 | 28 | 35.1 | 31.8 | 11.2 | 200 |
| 32 | 1060.5 | 81 | 144.5 | 831.9 | 812.8 | 914.4 | 977.9 | 28 | 41.1 | 38.1 | 11.2 | 250 |
| 34 | 1111.3 | 82.6 | 149.4 | 882.7 | 863.6 | 965.2 | 1028.7 | 32 | 41.1 | 38.1 | 12.7 | 267 |
| 36 | 1168.4 | 90.4 | 157.2 | 933.5 | 914.4 | 1022.4 | 1085.9 | 32 | 41.1 | 38.1 | 12.7 | 316 |
| 38 | 1238.3 | 87.4 | 157.2 | 990.6 | 965.2 | 1073.2 | 1149.4 | 32 | 41.1 | 38.1 | 12.7 | 352 |
| 40 | 1289 | 90.4 | 163.6 | 1041.4 | 1016 | 1124 | 1200.2 | 36 | 41.1 | 38.1 | 12.7 | 379 |
| 42 | 1346.2 | 96.8 | 171.5 | 1092.2 | 1066.8 | 1193.8 | 1257.3 | 36 | 41.1 | 38.1 | 12.7 | 435 |
| 44 | 1403.4 | 101.6 | 177.8 | 114.3 | 1117.6 | 1244.6 | 1314.5 | 40 | 41.1 | 38.1 | 12.7 | 484 |
| 46 | 1454.2 | 103.1 | 185.7 | 1196.8 | 1168.4 | 1295.4 | 1365.3 | 40 | 41.1 | 38.1 | 12.7 | 518 |
| 48 | 1511.3 | 108 | 192 | 1247.6 | 1219.2 | 1358.9 | 1422.4 | 44 | 41.1 | 38.1 | 12.7 | 572 |
| 50 | 1568.5 | 111.3 | 203.2 | 1301.8 | 1270 | 1409.7 | 1479.6 | 44 | 47.8 | 44.5 | 12.7 | 616 |
| 52 | 1625.6 | 115.8 | 209.6 | 1352.6 | 1320.8 | 1460.5 | 1530.4 | 44 | 47.8 | 44.5 | 12.7 | 681 |
| 54 | 1682.8 | 120.7 | 215.9 | 1403.4 | 1371.6 | 1511.3 | 1593.9 | 44 | 47.8 | 44.5 | 12.7 | 751 |
| 56 | 1746.3 | 124 | 228.6 | 1457.5 | 1422.4 | 1574.8 | 1651 | 48 | 47.8 | 44.5 | 12.7 | 835 |
| 58 | 1803.4 | 128.5 | 235 | 1508.3 | 1473.2 | 1625.6 | 1708.2 | 48 | 47.8 | 44.5 | 12.7 | 914 |
| 60 | 1854.2 | 131.8 | 239.8 | 1559.1 | 1524 | 1676.4 | 1759 | 52 | 47.8 | 44.5 | 12.7 | 961 |
Dimensions & Weight of Class 300 RF Weld Neck Flanges Series A as per ASME B16.47
| Nominal Pipe Size |
OD of Flange (O) |
Thickness of Flange (C) |
Length thru Hub (V) |
Dia of Hub at base (X) |
Dia of Hub at end (A) |
Dia of Raised Face (R) |
Dia of Bolt Circle |
No of Bolt Holes |
Dia of Bolt Holes |
Dia of Bolt |
Fillet Radius (r1) |
Approx Weight (kg) |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 26 | 971.6 | 79.2 | 184.2 | 720.9 | 660.4 | 749.3 | 876.3 | 28 | 44.5 | 41.4 | 9.7 | 283 |
| 28 | 1035.1 | 85.9 | 196.9 | 774.7 | 711.2 | 800.1 | 939.8 | 28 | 44.5 | 41.4 | 11.2 | 343 |
| 30 | 1092.2 | 91.9 | 209.6 | 827 | 762 | 857.3 | 997 | 28 | 47.8 | 44.5 | 11.2 | 395 |
| 32 | 1149.4 | 98.6 | 222.3 | 881.1 | 812.8 | 914.4 | 1054.1 | 28 | 50.8 | 47.8 | 11.2 | 455 |
| 34 | 1206.5 | 101.6 | 231.6 | 936.8 | 863.6 | 965.2 | 1104.9 | 28 | 50.8 | 47.8 | 12.7 | 511 |
| 36 | 1270 | 104.6 | 241.3 | 990.6 | 914.4 | 1022.4 | 1168.4 | 32 | 53.8 | 50.8 | 12.7 | 568 |
| 38 | 1168.4 | 108 | 180.8 | 993.6 | 965.2 | 1028.7 | 1092.2 | 32 | 41.1 | 38.1 | 12.7 | 318 |
| 40 | 1238.3 | 114.3 | 193.5 | 1054.6 | 1016 | 1085.9 | 1155.7 | 32 | 44.5 | 41.4 | 12.7 | 348 |
| 42 | 1289.1 | 119.1 | 200.2 | 1098.6 | 1066.8 | 1136.7 | 1206.5 | 32 | 44.5 | 41.4 | 12.7 | 420 |
| 44 | 1352.6 | 124 | 206.2 | 1149.4 | 1117.6 | 1193.8 | 1263.7 | 32 | 47.8 | 44.5 | 12.7 | 476 |
| 46 | 1416.1 | 128.5 | 215.9 | 1203.5 | 1168.4 | 1244.6 | 1320.8 | 28 | 50.8 | 47.8 | 12.7 | 549 |
| 48 | 1466.9 | 108 | 192 | 1247.6 | 1219.2 | 1358.9 | 1422.4 | 32 | 41.1 | 38.1 | 12.7 | 587 |
| 50 | 1530.4 | 139.7 | 231.6 | 1305.1 | 1270 | 1358.9 | 1428.8 | 32 | 53.8 | 50.8 | 12.7 | 664 |
| 52 | 1581.2 | 144.5 | 238.3 | 1355.9 | 1320.8 | 1409.7 | 1479.6 | 32 | 53.8 | 50.8 | 12.7 | 715 |
| 54 | 1657.4 | 152.4 | 252.5 | 1409.7 | 1371.6 | 1466.9 | 1549.4 | 28 | 60.5 | 57.2 | 12.7 | 857 |
| 56 | 1708.2 | 153.9 | 260.4 | 1463.5 | 1422.4 | 1517.7 | 1600.2 | 28 | 60.5 | 57.2 | 12.7 | 905 |
| 58 | 1759 | 158.8 | 266.7 | 1514.3 | 1473.2 | 1574.8 | 1651 | 32 | 60.5 | 57.2 | 12.7 | 952 |
| 60 | 1809.8 | 163.6 | 273.1 | 1565.1 | 1524 | 1625.6 | 1701.8 | 32 | 60.5 | 57.2 | 12.7 | 1015 |
Dimensions & Weight of Class 600 RF Weld Neck Flanges Series A as per ASME B16.47
| Nominal Pipe Size |
OD of Flange (O) |
Thickness of Flange (C) |
Length thru Hub (V) |
Dia of Hub at base (X) |
Dia of Hub at end (A) |
Dia of Raised Face (R) |
Dia of Bolt Circle |
No of Bolt Holes |
Dia of Bolt Holes |
Dia of Bolt |
Fillet Radius (r1) |
Approx Weight (kg) |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 26 | 1016 | 108 | 222.3 | 747.8 | 660.4 | 749.3 | 914.4 | 28 | 50.8 | 47.6 | 12.7 | 444 |
| 28 | 1073.2 | 111.3 | 235 | 803.1 | 711.2 | 800.1 | 965.2 | 28 | 53.8 | 50.8 | 12.7 | 499 |
| 30 | 1130.3 | 114.3 | 247.7 | 862.1 | 762 | 857.3 | 1022.4 | 28 | 53.8 | 50.8 | 12.7 | 567 |
| 32 | 1193.8 | 117.3 | 260.4 | 917.4 | 812.8 | 914.4 | 1079.5 | 28 | 60.5 | 57.2 | 12.7 | 633 |
| 34 | 1244.6 | 120.7 | 269.7 | 973.1 | 863.6 | 965.2 | 1130.3 | 28 | 60.5 | 57.2 | 14.2 | 695 |
| 36 | 1314.5 | 124 | 282.4 | 1031.7 | 914.4 | 1022.4 | 1193.8 | 28 | 60.5 | 57.2 | 14.2 | 789 |
| 38 | 1270 | 152.4 | 254 | 1022.4 | 965.2 | 1054.1 | 1162.1 | 28 | 60.5 | 57.2 | 14.2 | 667 |
| 40 | 1320.8 | 158.8 | 263.7 | 1073.2 | 1016 | 1111.3 | 1212.9 | 32 | 60.5 | 57.2 | 14.2 | 717 |
| 42 | 1403.4 | 168.1 | 279.4 | 1127.3 | 1066.8 | 1168.4 | 1282.7 | 28 | 66.5 | 63.5 | 14.2 | 886 |
| 44 | 1454 | 173 | 289.1 | 1181.1 | 1117.6 | 1225.6 | 1333.5 | 32 | 66.5 | 63.5 | 14.2 | 940 |
| 46 | 1511.2 | 179.3 | 300 | 1234.9 | 1168.4 | 1276.4 | 1390.7 | 32 | 66.5 | 63.5 | 14.2 | 1044 |
| 48 | 1593.9 | 189 | 316 | 1289.1 | 1219.2 | 1333.5 | 1460.5 | 32 | 73.12 | 69.9 | 14.2 | 1236 |
| 50 | 1670.1 | 196.9 | 328.7 | 1343.2 | 1270 | 1384.3 | 1524 | 28 | 79.2 | 76.2 | 14.2 | 1442 |
| 52 | 1720.9 | 203.2 | 336.6 | 1394 | 1320.8 | 1435.1 | 1574.8 | 32 | 79.2 | 76.2 | 14.2 | 1514 |
| 54 | 1778 | 209.6 | 349.3 | 1447.8 | 1371.6 | 1492.3 | 1632 | 32 | 79.2 | 76.2 | 14.2 | 1659 |
| 56 | 1854.2 | 217.4 | 362 | 1501.6 | 1422.4 | 1543.1 | 1695.5 | 32 | 85.9 | 82.6 | 15.7 | 1869 |
| 58 | 1905 | 222.3 | 369.8 | 1552.4 | 1473.2 | 1600.2 | 1746.3 | 32 | 85.9 | 82.6 | 15.7 | 1981 |
| 60 | 1993.9 | 233.4 | 388.9 | 1609.9 | 1524 | 1657.4 | 1822.5 | 28 | 91.9 | 88.9 | 17.5 | 2382 |
Dimensions & Weight of Class 900 RF Weld Neck Flanges Series A as per ASME B16.47
| Nominal Pipe Size |
OD of Flange (O) |
Thickness of Flange (C) |
Length thru Hub (V) |
Dia of Hub at base (X) |
Dia of Hub at end (A) |
Dia of Raised Face (R) |
Dia of Bolt Circle |
No of Bolt Holes |
Dia of Bolt Holes |
Dia of Bolt |
Fillet Radius (r1) |
Approx Weight (kg) |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 26 | 1085.9 | 139.7 | 258.8 | 774.7 | 660.4 | 749.3 | 952.5 | 20 | 73.2 | 69.9 | 11.2 | 686 |
| 28 | 1168.4 | 142.7 | 298.5 | 831.9 | 711.2 | 800.1 | 1022.4 | 20 | 79.2 | 76.2 | 12.7 | 808 |
| 30 | 1231.9 | 149.4 | 311.2 | 889 | 762 | 857.3 | 1085.9 | 20 | 79.2 | 76.2 | 12.7 | 933 |
| 32 | 1314.5 | 158.8 | 330.2 | 946.2 | 812.8 | 914.4 | 1155.7 | 20 | 85.9 | 82.6 | 12.7 | 1116 |
| 34 | 1397 | 165.1 | 349.3 | 1006.3 | 863.6 | 965.2 | 1225.6 | 20 | 91.9 | 88.9 | 14.2 | 1310 |
| 36 | 1460.5 | 171.5 | 362 | 1063.8 | 914.4 | 1022.4 | 1289.1 | 20 | 91.9 | 88.9 | 14.2 | 1479 |
| 38 | 1460.5 | 190.5 | 352.6 | 1073.2 | 965.2 | 1098.6 | 1289.1 | 20 | 91.9 | 88.9 | 19.1 | 1445 |
| 40 | 1511.3 | 196.9 | 363.5 | 1127.3 | 1016 | 1162.1 | 1339.9 | 24 | 91.9 | 88.9 | 20.6 | 1529 |
| 42 | 1562.1 | 206.2 | 371.3 | 1176.3 | 1066.8 | 1212.9 | 1390.7 | 24 | 91.9 | 88.9 | 20.6 | 1666 |
| 44 | 1648 | 214.4 | 390.7 | 1234.9 | 1117.6 | 1270 | 1463.5 | 24 | 98.6 | 95.3 | 22.4 | 1939 |
| 46 | 1733.6 | 225.6 | 411 | 1292.4 | 1168.4 | 1333.5 | 1536.7 | 24 | 104.6 | 101.6 | 22.4 | 2265 |
| 48 | 1784.4 | 233.4 | 419.1 | 1343.2 | 1219.2 | 1384.3 | 1587.5 | 24 | 104.6 | 101.6 | 23.9 | 2433 |
Nickel Alloy 200/201 Weld Neck Flanges Tolerance
| WELDING NECK FLANGES | ||||
|---|---|---|---|---|
| 0 | Outside Diameter | When 0 is 24″or less | ±0.06″ | ±1.6 mm |
| When O is over 24” | ±0.12″ | ±3.2 mm | ||
| R | Diameter of Contact Face | 0.06” (1.6 mm) raised face | ±0.03″ | ±0.8 mm |
| 0.25″ (6.4 mm) raised face | ±0.02″ | ±0.5 mm | ||
| A | Diameter of Hub at Point of Welding | NPS 5 and smaller | +0.09″, -0.03″ | +2.4 mm, -0.8 mm |
| NPS 6 and larger | +0.16″, -0.03″ | +4.0 mm, -0.8 mm | ||
| B | Inside Diameter | NPS 10 and smaller | ±0.03″ | ±0.8 mm |
| NPS 12 to 18, inclusive | ±0.06″ | ±1.6 mm | ||
| NPS 20 and larger | +0.12″, -0.06” | +3.2 mm, -1.6 mm | ||
| X | Diameter of Hub at Base | When Hub Base is 24″ or less | ±0.06″ | ±1.6 mm |
| When Hub Base is over 24″ | ±0.12″ | ±3.2 mm | ||
| c | Thickness | NPS 18 and smaller | +0.12″, -0.00″ | +3.2 mm, -0.0 mm |
| NPS 20 and larger | +0.19″, -0.00″ | +4.8 mm, -0.0 mm | ||
| Drilling | Bolt Circle Diameter | ±0.06″ | ±1.6 mm | |
| Bolt Hole Spacing | ±0.03″ | ±0.8 mm | ||
| Eccentricity of Bolt Circle and Facing with Respect to Bore | NPS 21/2 and smaller | ±0.03″ | ±0.8 mm | |
| NPS 3 and larger | ±0.06″ | ±1.6 mm | ||
| Length Through Hub | NPS 10 and smaller | ±0.06″ | ±1.6 mm | |
| NPS 12 and larger | ±0.12″ | ±3.2 mm | ||
ASTM A182 Weld Neck Flanges Applications
Oil and Gas
Nuclear Power & Defence
Petrochemical
LNG
Desalination
Mining & Minerals
Myanmar, Nepal, Thailand, Vietnam, Philippines, Malaysia, Indonesia,
Singapore, Taiwan, Tasmania, Sri Lanka, Bangladesh, Bhutan, Cambodia,
Australia, New Zealand, Afghanistan, Tajikistan, Kyrgyzstan, Kazakhstan,
Uzbekistan, Turkmenistan, Iran, United Arab Emirates(UAE), Saudi Arabia,
Oman, Yemen, Iraq, Azerbaijan, Turkiye, Syria, Lebanon, Israel, Kenya,
Egypt, South Sudan, Eritrea, Djibouti, Ethiopia, Libya, Rwanda, Mali,
Niger, Chad, Central Africa Republic, Nigeria, Cameroon, Somalia, DRC,
Uganda, Tanzania, Angola, Zambia, Madagascar, Malawi, Namibia, Benin,
Zimbabwe, Botswana, Lesotho, South Africa, Algeria, Tunisia, Morocco,
Eswatini, Liberia, Sierra Leone, The Gambia, Senegal, Mozambique, Togo,
Mauritania, Burkina Faso, Ghana, Equatorial Guinea, Jordan, Timor-Leste,
Palestine, Laos, Armenia, Georgia, Maldives, Cyprus, Kuwait, Qatar, Peru,
Bahrain, Brunei, Finland, France, Germany, Ireland, Iceland, UK, US,
Greece, Hungary, Italy, Norway, Poland, Slovakia, Sweden, Canada, Fiji,
Romania, Cuba, Panama, Brazil, Colombia, Chile, Argentina, Venezuela,
Naypyidaw, Kathmandu, Bangkok, Hanoi, Manila, Kuala Lumpur, Jakarta, Tunis,
Jurong East, Taipei City, Hobart, Sri Jayawardenepura Kotte, Dhaka, Thimphu,
Phnom Penh, Canberra, Wellington, Kabul, Dushanbe, Bishkek, Astana, Abuja,
Tashkent, Ashgabat, Tehran, Abu Dhabi, Riyadh, Muscat, Sana’a, Baghdad, Pretoria,
Baku, Ankara, Damascus, Beirut, Jerusalem, Nairobi, Cairo, Juba, Asmara, Rabat,
Djibouti city, Addis Ababa, Tripoli, Kigali, Bamako, Niamey, N’Djamena, Bangui,
Yaoundé, Mogadishu, Kinshasa, Kampala, Dodoma, Luanda, Lusaka, Antananarivo,
Lilongwe, Windhoek, Porto-Novo, Harare, Gaborone, Maseru, Cape Town, Bloemfontein,
Algiers, Mbabane, Lobamba, Monrovia, Freetown, Banjul, Dakar, Maputo, Lomé, Dili,
Nouakchott, Ouagadougou, Accra, Malabo, Amman, Vientiane, Yerevan, Tbilisi, Rome,
Malé, Nicosia, Kuwait City, Doha, Lima, Manama, Bandar Seri Begawan, Paris,
Helsinki, Berlin, Dublin, Reykjavík, London, Washington D.C., Athens, Budapest,
Oslo, Warsaw, Bratislava, Stockholm, Ottawa, Suva, Bucharest, Havana, Panama City,
Brasília, Bogotá, Santiago, Buenos Aires, Caracas, Mumabi, Chennai, Bengaluru,
Kolkata, Hyderabad, Pune, Ahmedabad, Jaipur, Surat, Visakhapatnam, Indore, New Delhi
Lucknow, Nagpur, Kochi, Kanpur, Guwahati, Coimbatore, Noida, Ghaziabad, Patna
