Chemical Compatibility Of Alloy 201 Weld Neck Flanges And We Are Manufacturer Of UNS N02201 Blind Flange With Good Quality.
We are a renowned manufacturer, stockist, supplier, exporting, and trading house of different flanges, including the Nickel 201 Flanges. It is an alloy of nickel and chromium, with traces of iron, manganese, and silicon content. One of the best things about ASTM B564 UNS N02201 Blind Flanges is that it can resist corrosion at high temperatures, making it ideal for critical temperatures. The Werkstoff Nr. 2.4068 Weld Neck Flange is used in various industries like desalination plants, where the seawater is converted into freshwaters. We are one of the top manufacturers of Alloy 201 Socket Weld Flange, which are available in the size range of ½" NB to 60" NB.
We have a vast stock of ASTM B564 N02201 Nickel Alloy 201 Flanges whose dimensions and finishes can be customized according to the clients' specific needs. We keep a close eye on our products' quality and safety aspects and make sure to deliver you with nothing but the best. Our Nickel 201 Slip-On Flanges are manufactured under the supervision of our experienced team to ensure their dimensional accuracy. We are a Nickel 201 Flange Manufacturer In India who believes in customer satisfaction and always delivers their products within the deadline.
Nickel 201 Flanges

UNS N02201 Blind Flange

Alloy 201 Weld Neck Flanges

Werkstoff Nr. 2.4068 Slip On Flanges

ASTM B564 Nickel 201 Socket Weld Flange

Nickel N02201 Raised Face Flanges

UNS N02201 Chemical Composition
Chemical Composition of Nickel 201 Flanges, % | |
---|---|
Manganese | ≤0.35 |
Carbon | ≤0.02 |
Silicon | ≤0.35 |
Nickel(plus Cobalt) | ≥99.0 |
Sulfur | ≤0.01 |
Copper | ≤0.25 |
Iron | ≤0.40 |
One of India’s largest Manufacturer Of Werkstoff Nr. 2.4068 Slip On Flanges And Check ASTM B564 Nickel 201 Socket Weld Flange Bolt & Stud Chart.
Nickel 201 Flanges Bolt Pattern
150# Flange As Per ANSI B16.5 | 300# Flange As Per ANSI B16.5 | 600# Flange As Per ANSI B16.5 | ||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
Normal Pipe Size | # Studs And Bolts | Diameter of Studs And Bolts | Length Of Studs | # Studs And Bolts | Diameter of Studs And Bolts | Stud Length | # Studs And Bolts | Diameter of Studs And Bolts | Length Of Studs | |||
1/16 RF | RTJ | 1/16 RF | RTJ | 1/4 RF | RTJ | |||||||
1/2 | 4 | 0.50 | 2-1/4 | – | 4 | 0.50 | 2-1/2 | 3 | 4 | 0.50 | 3 | 3 |
3/4 | 4 | 0.50 | 2-1/2 | – | 4 | 0.63 | 3 | 3-1/2 | 4 | 0.63 | 3-1/2 | 3-1/2 |
1 | 4 | 0.50 | 2-1/2 | 3 | 4 | 0.63 | 3 | 3-1/2 | 4 | 0.63 | 3-1/2 | 3-1/2 |
1-1/4 | 4 | 0.50 | 2-3/4 | 3-1/4 | 4 | 0.63 | 3-1/4 | 3-3/4 | 4 | 0.63 | 3-3/4 | 3-3/4 |
1-1/2 | 4 | 0.50 | 2-3/4 | 3-1/4 | 4 | 0.75 | 3-1/2 | 4 | 4 | 0.75 | 4-1/4 | 4-1/4 |
2 | 4 | 0.63 | 3-1/4 | 3-3/4 | 8 | 0.63 | 3-1/2 | 4 | 8 | 0.63 | 4-1/4 | 4-1/4 |
2-1/2 | 4 | 0.63 | 3-1/2 | 4 | 8 | 0.75 | 4 | 4-1/2 | 8 | 0.75 | 4-3/4 | 4-3/4 |
3 | 4 | 0.63 | 3-1/2 | 4 | 8 | 0.75 | 4-1/4 | 4-3/4 | 8 | 0.75 | 5 | 5 |
3-1/2 | 8 | 0.63 | 3-1/2 | 4 | 8 | 0.75 | 4-1/4 | 5 | 8 | 0.88 | 5-1/2 | 5-1/2 |
4 | 8 | 0.63 | 3-1/2 | 4 | 8 | 0.75 | 4-1/2 | 5 | 8 | 0.88 | 5-3/4 | 5-3/4 |
5 | 8 | 0.75 | 3-3/4 | 4-1/4 | 8 | 0.75 | 4-3/4 | 5-1/4 | 8 | 1.00 | 6-1/2 | 6-1/2 |
6 | 8 | 0.75 | 4 | 4-1/2 | 12 | 0.75 | 4-3/4 | 5-1/2 | 12 | 1.00 | 6-3/4 | 6-3/4 |
8 | 8 | 0.75 | 4-1/4 | 4-3/4 | 12 | 0.88 | 5-1/2 | 6 | 12 | 1.13 | 7-1/2 | 7-3/4 |
10 | 12 | 0.88 | 4-1/2 | 5 | 16 | 1.00 | 6-1/4 | 6-3/4 | 16 | 1.25 | 8-1/2 | 8-1/2 |
12 | 12 | 0.88 | 4-3/4 | 5-1/4 | 16 | 1.13 | 6-3/4 | 7-1/4 | 20 | 1.25 | 8-3/4 | 8-3/4 |
14 | 12 | 1.00 | 5-1/4 | 5-3/4 | 20 | 1.13 | 7 | 7-1/2 | 20 | 1.38 | 9-1/4 | 9-1/4 |
16 | 16 | 1.00 | 5-1/4 | 5-3/4 | 20 | 1.25 | 7-1/2 | 8 | 20 | 1.50 | 10 | 10 |
18 | 16 | 1.13 | 5-3/4 | 6-1/4 | 24 | 1.25 | 7-3/4 | 8-1/4 | 20 | 1.63 | 10-3/4 | 10-3/4 |
20 | 20 | 1.13 | 6-1/4 | 6-3/4 | 24 | 1.25 | 8 | 8-3/4 | 24 | 1.63 | 11-1/4 | 11-1/2 |
24 | 20 | 1.25 | 6-3/4 | 7-1/4 | 24 | 1.50 | 9 | 10 | 24 | 1.88 | 13 | 13-1/4 |
900# Flange As Per ANSI B16.5 | 1500# Flange As Per ANSI B16.5 | 2500# Flange As Per ANSI B16.5 | ||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
Normal Pipe Size | # Studs And Bolts | Diameter of Bolts And Studs | Stud Length | # Studs And Bolts | Diameter of Studs And Bolts | Length Of Studs | # Studs And Bolts | Diameter of Studs And Bolts | Length Of Studs | |||
1/4 RF | RTJ | 1/4 RF | RTJ | 1/4 RF | RTJ | |||||||
1/2 | 4 | 0.75 | 4-1/4 | 4-1/4 | 4 | 0.75 | 4-1/4 | 4-1/4 | 4 | 0.75 | 4-3/4 | 4-3/4 |
3/4 | 4 | 0.75 | 4-1/2 | 4-1/2 | 4 | 0.75 | 4-1/2 | 4-1/2 | 4 | 0.75 | 5 | 5 |
1 | 4 | 0.88 | 5 | 5 | 4 | 0.88 | 5 | 5 | 4 | 0.88 | 5-1/2 | 5-1/2 |
1-1/4 | 4 | 0.88 | 5 | 5 | 4 | 0.88 | 5 | 5 | 4 | 1.00 | 6 | 6 |
1-1/2 | 4 | 1.00 | 5-1/2 | 5-1/2 | 4 | 1.00 | 5-1/2 | 5-1/2 | 4 | 1.13 | 6-3/4 | 6-3/4 |
2 | 8 | 0.88 | 5-3/4 | 5-3/4 | 8 | 0.88 | 5-3/4 | 5-3/4 | 8 | 1.00 | 7 | 7 |
2-1/2 | 8 | 1.00 | 6-1/4 | 6-1/4 | 8 | 1.00 | 6-1/4 | 6-1/4 | 8 | 1.13 | 7-3/4 | 8 |
3 | 8 | 0.88 | 5-3/4 | 5-3/4 | 8 | 1.13 | 7 | 7 | 8 | 1.25 | 8-3/4 | 9 |
4 | 8 | 1.13 | 6-3/4 | 6-3/4 | 8 | 1.25 | 7-3/4 | 7-3/4 | 8 | 1.50 | 10 | 10-1/4 |
5 | 8 | 1.25 | 7-1/2 | 7-1/2 | 8 | 1.50 | 9-3/4 | 9-3/4 | 8 | 1.75 | 11-3/4 | 12-1/4 |
6 | 12 | 1.13 | 7-1/2 | 7-3/4 | 12 | 1.38 | 10-1/4 | 10-1/2 | 8 | 2.00 | 13-1/2 | 14 |
8 | 12 | 1.38 | 8-3/4 | 8-3/4 | 12 | 1.63 | 11-1/2 | 11-3/4 | 12 | 2.00 | 15 | 15-1/2 |
10 | 16 | 1.38 | 9-1/4 | 9-1/4 | 12 | 1.88 | 13-1/4 | 13-1/2 | 12 | 2.50 | 19-1/4 | 20 |
12 | 20 | 1.38 | 10 | 10 | 16 | 2.00 | 14-3/4 | 15-1/4 | 12 | 2.75 | 21-1/4 | 22 |
14 | 20 | 1.50 | 10-3/4 | 11 | 16 | 2.25 | 16 | 16-3/4 | – | – | – | – |
16 | 20 | 1.63 | 11-1/4 | 11-1/2 | 16 | 2.50 | 17-1/2 | 18-1/2 | – | – | – | – |
18 | 20 | 1.88 | 12-3/4 | 13-1/4 | 16 | 2.75 | 19-1/2 | 20-3/4 | – | – | – | – |
20 | 20 | 2.00 | 13-3/4 | 14-1/4 | 16 | 3.00 | 21-1/4 | 22-1/4 | – | – | – | – |
24 | 20 | 2.50 | 17-1/4 | 18 | 16 | 3.50 | 24-1/4 | 25-1/2 | – | – | – | – |
Manufacturer Of JIS NW 2201 Reducing Flanges And Accept All Small And Large Order In Mumbai, India, Specification List Of Nickel Alloy 201 Flat Face Flange.
Nickel 201 Specifications
Specification Table Of : | Nickel 201 Flanges |
---|---|
ADNOC Approved Manufacturer Of Standards | ASME B16.36, DIN, AWWA C207, B16.47 Series A & B, BS1560-3.1, EN-1092, ASME B16.48, API605, BS4504, EN1092, UNI, ISO, MSS S44, IS 2062, ISO70051, API, API7S-43, ANSI/ASME B16.5, API7S-15 |
Temperature Ratings | 150 LB To 2500 LB |
Face Type Details | Raised Face, Large Tongue & Large Male-Female And Small Male-Female, Groove And Small Tongue Groove, RTJ, Flat Face, Lap-Joint Face. |
Forging Materials | Stainless Steel, Alloy Steel, Carbon Steel, Duplex Steel & Super Duplex Steel, Cast Iron, Inconel, Mild Steel, Hastelloy, Copper Nickel, Wrought Iron. |
Thickness | NPS ≤ 18 |
Flanges High Temperature | Above 200° Celsius (400°F) For 150 Class Or Above 400° Celsius (750°F) |
JIS Standards | 5K, 10K, 40K, 16K 20K 30K, 63K |
Our Top Selling Products | Lap Joint, Socket-Weld, Blind, Threaded, Weld Neck, Slip-On |
Buy Flanges For Pipe Connection | Power Plants Industry Food Processing And Manufacturing Waterworks Systems Nuclear Power Application Municipal Pipe Systems Fossil Fuel Power Plants Oil And Gas Industry |
Held Wide Stock In Below City | Visakhapatnam, Hazira, Jubail, Surabaya, Gurgaon, Mumbai, Lucknow, Mumbai, Dhaka, Mysuru, Kochi, Chandigarh, Ambernath, Bahru, Indore, Nagpur, Melbourne, Cairo, Ho Pimpri-Chinchwad, Ahmedabad, Vadodara, Ajman, Vung Ludhiana, Shanghai, City, Chicago, City, Busan, Thane, Bangkok, Al Alexandria, Dhabi, Bogota, Sydney, Guwahati, Noida, Lumpur, Santiago, Raipur, Istanbul, Seoul, Dubai, Zhengzhou, Panipat, Abu Milan, Delhi, Sharjah, Puchong, Virar, Rajkot, Houston, Doha, Khobar, Tehran, Kalyan, Vasai Vapi, Paris, Delhi, Singapore, Johor Karachi, City, Alam, Bengaluru, Jakarta, Jeddah, Hyderabad, Kolkata, Al Ghaziabad, Baku, Dombivli, Paulo, Tiruchirappalli, Jamnagar, Secunderabad, Lagos, Ashburn, Riyadh, Dallas, London, Chennai, Chi Manama, Bhubaneswar, Quezon Mexico Perth, Sao Calgary, Ankleshwar, Patna, Agra, Hanoi, Minh Tau, Coimbatore, Faridabad, Madrid, Pune, Hangzhou, Kuala Bhopal, Shah Batam, Jamshedpur, Beijing, New Dammam, Surat, Navi Jaipur, Kota, Amsterdam, Nashik, Brisbane, Oyama. |
Type Of Making Format | Plate /Forged/ Threaded |
Bore Diameter | NPS ≤ 10 |
Size Chart | (1/2") To (48") |
Manufacturing Process |
|
Refer EN LC-Ni 99 RTJ Flanges Dimensions Chart According to ASME B16.5 And We Manufacturer & Supplying 201 Alloy Pipe Flanges To Overseas Customer In Mumbai, India.
Alloy 201 Weld Neck Flanges Dimensions with Tolerances

Normal Pipe Size (NPS) | Outside Daimeter (O.D.) Of Flange | Thickness Of Flanges | Diameter of Raised Face | Hub at Base Diameter | Lengtd Tdru Hub | Bore And Diameter | Hub at Bevel Diameter | Radius of Fillet | Socket Deptd | |||
---|---|---|---|---|---|---|---|---|---|---|---|---|
Weld Neck (WN) | SORF (Slip-On) NPT (Threaded) SWRF (Socket) | Loose (Lap Joint) | SORF (Slip-on) SWRF (Socket) | Loose (Lap Joint) | ||||||||
O | Q | R | X | Y | Y | Y | W | B | H | r | Z | |
1/2 | 3-1/2 | 7/16 | 1-3/8 | 1-3/16 | 1-7/8 | 5/8 | 5/8 | .88 | .90 | .84 | 1/8 | 3/8 |
3/4 | 3-7/8 | 1/2 | 1-11/16 | 1-1/2 | 2-1/16 | 5/8 | 5/8 | 1.09 | 1.11 | 1.05 | 1/8 | 7/16 |
1 | 4-1/4 | 9/16 | 2 | 1-15/16 | 2-3/16 | 11/16 | 11/16 | 1.36 | 1.38 | 1.32 | 1/8 | 1/2 |
1-1/4 | 4-5/8 | 5/8 | 2-1/2 | 2-5/16 | 2-1/4 | 13/16 | 13/16 | 1.70 | 1.72 | 1.66 | 3/16 | 9/16 |
1-1/2 | 5 | 11/16 | 2-7/8 | 2-9/16 | 2-7/16 | 7/8 | 7/8 | 1.95 | 1.97 | 1.90 | 1/4 | 5/8 |
2 | 6 | 3/4 | 3-5/8 | 3-1/16 | 2-1/2 | 1 | 1 | 2.44 | 2.46 | 2.38 | 5/16 | 11/16 |
2-1/2 | 7 | 7/8 | 4-1/8 | 3-9/16 | 2-3/4 | 1-1/8 | 1-1/8 | 2.94 | 2.97 | 2.88 | 5/16 | 3/4 |
3 | 7-1/2 | 15/16 | 5 | 4-1/4 | 2-3/4 | 1-3/16 | 1-3/16 | 3.57 | 3.60 | 3.50 | 3/8 | 13/16 |
3-1/2 | 8-1/2 | 15/16 | 5-1/2 | 4-13/16 | 2-13/16 | 1-1/4 | 1-1/4 | 4.07 | 4.10 | 4.00 | 3/8 | 7/8 |
4 | 9 | 15/16 | 6-3/16 | 5-5/16 | 3 | 1-5/16 | 1-5/16 | 4.57 | 4.60 | 4.50 | 7/16 | 15/16 |
5 | 10 | 15/16 | 7.5/16 | 6-7/16 | 3-1/2 | 1-7/16 | 1-7/16 | 5.66 | 5.69 | 5.56 | 7/16 | 15/16 |
6 | 11 | 1 | 8-1/2 | 7-9/16 | 3-1/2 | 1-9/16 | 1-9/16 | 6.72 | 6.75 | 6.63 | 1/2 | 1-1/16 |
8 | 13-1/2 | 1-1/8 | 10-5/8 | 9-11/16 | 4 | 1-3/4 | 1-3/4 | 8.72 | 8.75 | 8.63 | 1/2 | 1-1/4 |
10 | 16 | 1-3/16 | 12-3/4 | 12 | 4 | 1-15/16 | 1-15/16 | 10.88 | 10.92 | 10.75 | 1/2 | 1-5/16 |
12 | 19 | 1-1/4 | 15 | 14-3/8 | 4-1/2 | 2-3/16 | 2-3/16 | 12.88 | 12.92 | 12.75 | 1/2 | 1-9/16 |
14 | 21 | 1-3/8 | 16-1/4 | 15-3/4 | 5 | 2-1/4 | 3-1/8 | 14.14 | 14.18 | 14.00 | 1/2 | 1-5/8 |
16 | 23-1/2 | 1-7/16 | 18-1/2 | 18 | 5 | 2-1/2 | 3-7/16 | 16.16 | 16.19 | 16.00 | 1/2 | 1-3/4 |
18 | 25 | 1-9/16 | 21 | 19-7/8 | 5-1/2 | 2-11/16 | 3-13/16 | 18.18 | 18.20 | 18.00 | 1/2 | 1-15/16 |
20 | 27-1/2 | 1-11/16 | 23 | 22 | 5-11/16 | 2-7/8 | 4-1/16 | 20.20 | 20.25 | 20.00 | 1/2 | 2-1/8 |
24 | 32 | 1-7/8 | 27-1/4 | 26-1/8 | 6 | 3-1/4 | 4-3/8 | 24.25 | 24.25 | 24.00 | 1/2 | 2-1/2 |
Weight Formula Of Nickel N02201 Raised Face Flanges And Get a Live Quote Now For 201 (UNS N02201) Nickel Alloy Spectacle Blind Flange.
Weight Formula Of UNS N02201 Blind Flange
NPS (Nominal Pipe Size) | SORF (Slip On) | NPT (Threaded) | SWRF (Socket Weld) | Loose (Lap Joint) | BLRF (Blind) | WRNR (Weld Neck) |
---|---|---|---|---|---|---|
½ | 1 | 1 | 2 | 1 | 2 | 2 |
¾ | 2 | 2 | 2 | 2 | 2 | 2 |
1 | 2 | 2 | 2 | 2 | 2 | 3 |
1¼ | 3 | 3 | 3 | 3 | 3 | 3 |
1½ | 3 | 3 | 3 | 3 | 4 | 4 |
2 | 5 | 5 | 5 | 5 | 5 | 6 |
2½ | 8 | 8 | 8 | 8 | 7 | 10 |
3 | 9 | 9 | 9 | 9 | 9 | 11.5 |
3½ | 11 | 12 | 11 | 11 | 13 | 12 |
4 | 13 | 13 | 13 | 13 | 17 | 16.5 |
5 | 15 | 15 | 15 | 15 | 20 | 21 |
6 | 19 | 19 | 19 | 19 | 27 | 26 |
8 | 30 | 30 | 30 | 30 | 47 | 42 |
10 | 43 | 43 | 43 | 43 | 70 | 54 |
12 | 64 | 64 | 64 | 64 | 123 | 88 |
14 | 90 | 90 | 90 | 105 | 140 | 114 |
16 | 106 | 98 | 98 | 140 | 180 | 140 |
18 | 130 | 130 | 130 | 160 | 220 | 165 |
20 | 165 | 165 | 165 | 195 | 285 | 197 |
22 | 185 | 185 | 185 | 245 | 355 | 225 |
24 | 220 | 220 | 220 | 275 | 430 | 268 |
Werkstoff Nr. 2.4068 Slip On Flanges Temperature Ratings
Nickel 201 Flanges | Pressure And Temperature Ratings | ||||||
Temperature °F | Class 150 As Per ASME B16.5 | Class 300 As Per ASME B16.5 | Class 400 As Per ASME B16.5 | Class 600 As Per ASME B16.5 | Class 900 As Per ASME B16.5 | Class 1500 As Per ASME B16.5 | Class 2500 As Per ASME B16.5 |
-20 to 100 | 275 | 720 | 960 | 1440 | 2160 | 3600 | 6000 |
200 | 230 | 600 | 800 | 1200 | 1800 | 3000 | 5000 |
300 | 205 | 540 | 720 | 1080 | 1620 | 2700 | 4500 |
400 | 190 | 495 | 660 | 995 | 1490 | 2485 | 4140 |
500 | 170 | 465 | 620 | 930 | 1395 | 2330 | 3880 |
600 | 140 | 435 | 580 | 875 | 1310 | 2185 | 3640 |
650 | 125 | 430 | 575 | 860 | 1290 | 2150 | 3580 |
700 | 110 | 425 | 565 | 850 | 1275 | 2125 | 3540 |
750 | 95 | 415 | 555 | 830 | 1245 | 2075 | 3460 |
800 | 80 | 405 | 540 | 805 | 1210 | 2015 | 3360 |
850 | 65 | 395 | 530 | 790 | 1190 | 1980 | 3300 |
900 | 50 | 390 | 520 | 780 | 1165 | 1945 | 3240 |
950 | 35 | 380 | 510 | 765 | 1145 | 1910 | 3180 |
1000 | 20 | 320 | 430 | 640 | 965 | 1605 | 2675 |
1050 | 20 | 310 | 410 | 615 | 925 | 1545 | 2570 |
1100 | 20 | 255 | 345 | 515 | 770 | 1285 | 2145 |
1150 | 20 | 200 | 265 | 400 | 595 | 995 | 1655 |
1200 | 20 | 155 | 205 | 310 | 465 | 770 | 1285 |
1250 | 20 | 115 | 150 | 225 | 340 | 565 | 945 |
1300 | 20 | 85 | 115 | 170 | 255 | 430 | 715 |
1350 | 20 | 60 | 80 | 125 | 185 | 310 | 515 |
1400 | 20 | 50 | 65 | 95 | 145 | 240 | 400 |
1450 | 15 | 35 | 45 | 70 | 105 | 170 | 285 |
1500 | 10 | 25 | 35 | 55 | 80 | 135 | 230 |
ASTM B161 UNS N02201 Equivalent
STANDARD | GOST | AFNOR | EN | WERKSTOFF NR. | UNS | JIS | BS |
Nickel 201 Flanges | НП-2 | – | LC-Ni 99 | 2.4068 | N02201 | NW 2201 | NA 12 |
Nickel Alloy UNS N02201 Flange Mechanical Properties
Element | Yield Strength (0.2%Offset) | Elongation | Density | Melting Point | Tensile Strength |
Nickel 201 Flanges | Psi – 21500 , MPa – 148 | 45 % | 8.9 g/cm3 | 1446 °C (2635 °F) | Psi – 67000 , MPa – 462 |
Nickel UNS N02201 Pipe Flanges Physical Properties
Physical Properties of Nickel 201 | |||||||
---|---|---|---|---|---|---|---|
Density | Specific Heat | Curie Temperature | Modulus of Elasticity (Tension) | ||||
lb/in3 | g/cm3 | Btu/lb*°F | J/kg*°C | °F | °C | 103 ksi | GPa |
0.321 | 8.89 | 0.109 | 456 | 680 | 360 | 30 | 207 |
Size Chart Of ASTM B564 Nickel 201 Socket Weld Flange
Normal Sizes In inch | Dimension | Nickel 201 Flanges Dimensional Sizes 1/2 inch. to 2 1/2 inch. | ||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Class 125 Class 150 | Class 300 | Class 400 | Class 600 | Class 900 | Class 1500 | Class 2500 | ||||||||||
inch. | mm | inch. | millimeter | inch. | mm | inch. | mm | inch. | mm | inch. | mm | inch | mm | |||
1/2 | A | 3 1/2 | 88.9 | 3 3/4 | 95.2 | 3 3/4 | 95.2 | 3 3/4 | 95.2 | 4 3/4 | 121 | 4 3/4 | 121 | 5 1/4 | 133.4 | |
b | 7/16 | 11.1 | 9/16 | 14.3 | 9/16 | 14.3 | 9/16 | 14.3 | 7/8 | 22.2 | 7/8 | 22.2 | 1 3/16 | 30.2 | ||
D2 | 1 3/8 | 34.9 | 1 3/8 | 34.9 | 1 3/8 | 34.9 | 1 3/8 | 34.9 | 1 3/8 | 34.9 | 1 3/8 | 34.9 | 1 3/8 | 34.9 | ||
D1 | 2 3/8 | 60.3 | 2 5/8 | 66.7 | 2 5/8 | 66.7 | 2 5/8 | 66.7 | 3 1/4 | 82.6 | 3 1/4 | 82.6 | 3 1/2 | 88.9 | ||
n | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | - | 4 | 44 | ||
d | 5/8 | 15.9 | 5/8 | 15.9 | 5/8 | 15.9 | 5/8 | 15.9 | 7/8 | 22.2 | 7/8 | 22.2 | 7/8 | 22.2 | ||
3/4 | A | 3 7/8 | 98.4 | 4 5/8 | 117.5 | 4 5/8 | 117.5 | 4 5/8 | 117.5 | 5 1/8 | 130 | 5 1/8 | 130 | 5 1/2 | 139.7 | |
b | 1/2 | 12.7 | 5/8 | 15.9 | 5/8 | 15.9 | 5/8 | 15.9 | 1 | 25.4 | 1 | 25.4 | 1 1/4 | 31.8 | ||
D2 | 1 11/16 | 42.9 | 1 11/16 | 42.9 | 1 11/16 | 42.9 | 1 11/16 | 42.9 | 1 11/16 | 42.9 | 1 11/16 | 42.9 | 1 11/16 | 42.9 | ||
D1 | 2 3/4 | 69.8 | 3 1/4 | 82.5 | 3 1/4 | 82.5 | 3 1/4 | 82.5 | 3 1/2 | 88.9 | 3 1/2 | 88.9 | 3 3/4 | 95.2 | ||
n | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | - | 4 | 44 | ||
d | 5/8 | 15.9 | 3/4 | 19 | 3/4 | 19 | 3/4 | 19 | 7/8 | 22.2 | 7/8 | 22.2 | 7/8 | 22.2 | ||
1 | A | 4 1/4 | 108 | 4 7/8 | 123.8 | 4 7/8 | 123.8 | 4 7/8 | 123.8 | 5 7/8 | 149.2 | 5 7/8 | 149.2 | 6 1/4 | 159 | |
b | 9/16 | 14.3 | 11/16 | 17.5 | 11/16 | 17.5 | 11/16 | 17.5 | 1 1/8 | 28.6 | 1 1/8 | 28.6 | 1 3/8 | 34.9 | ||
D2 | 2 | 50.8 | 2 | 50.8 | 2 | 50.8 | 2 | 50.8 | 2 | 50.8 | 2 | 50.8 | 2 | 50.8 | ||
D1 | 3 1/8 | 79.4 | 3 1/2 | 88.9 | 3 1/2 | 88.9 | 3 1/2 | 88.9 | 4 | 102 | 4 | 102 | 4 1/4 | 108 | ||
n | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | ||
d | 5/8 | 15.9 | 3/4 | 19 | 3/4 | 19 | 3/4 | 19 | 1 | 25.4 | 1 | 25.4 | 1 | 25.4 | ||
1 1/4 | A | 4 5/8 | 117.5 | 5 1/4 | 133.4 | 5 1/4 | 133.4 | 5 1/4 | 133.4 | 6 1/4 | 159 | 6 1/4 | 159 | 7 1/4 | 184.2 | |
b | 5/8 | 15.9 | 3/4 | 19 | 13/16 | 20.6 | 13/16 | 20.6 | 1 1/8 | 28.6 | 1 1/8 | 28.6 | 1 1/2 | 38.1 | ||
D2 | 2 1/2 | 63.5 | 2 1/2 | 63.5 | 2 1/2 | 63.5 | 2 1/2 | 63.5 | 2 1/2 | 63.5 | 2 1/2 | 63.5 | 2 1/2 | 63.5 | ||
D1 | 3 1/2 | 88.9 | 3 7/8 | 98.4 | 3 7/8 | 98.4 | 3 7/8 | 98.4 | 4 3/8 | 111 | 4 3/8 | 111 | 5 1/8 | 130 | ||
n | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | ||
d | 5/8 | 15.9 | 3/4 | 19 | 3/4 | 19 | 3/4 | 19 | 1 | 25.4 | 1 | 25.4 | 1 1/8 | 28.6 | ||
1 1/2 | A | 5 | 127 | 6 1/8 | 155.6 | 6 1/8 | 155.6 | 6 1/8 | 155.6 | 7 | 177.8 | 7 | 177.8 | 8 | 203 | |
b | 11/16 | 17.5 | 13/16 | 20.6 | 7/8 | 22.2 | 7/8 | 22.2 | 1 1/4 | 31.8 | 1 1/4 | 31.8 | 1 3/4 | 44.5 | ||
D2 | 2 7/8 | 73 98 | 2 7/8 | 73 | 2 7/8 | 73 | 2 7/8 | 73 | 2 7/8 | 73 | 2 7/8 | 73 | 2 7/8 | 73 | ||
D1 | 3 7/8 | 4 | 4 1/2 | 114 | 4 1/2 | 114 | 4 1/2 | 114 | 4 7/8 | 124 | 4 7/8 | 124 | 5 3/4 | 146 | ||
n | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | ||
d | 5/8 | . 15.9 | 7/8 | 22.2 | 7/8 | 22.2 | 7/8 | 22.2 | 1 1/8 | 28.6 | 1 1/8 | 28.6 | 1 1/4 | 31.8 | ||
2 | A | 6 | 152.4 | 6 1/2 | 165.1 | 6 1/2 | 165.1 | 6 1/2 | 165.1 | 8 1/2 | 215.9 | 8 1/2 | 215.9 | 9 1/4 | 234.9 | |
b | 3/4 | 19 | 7/8 | 22.2 | 1 | 25.4 | 1 | 25.4 | 1 1/2 | 38.1 | 1 1/2 | 38.1 | 2 | 50.8 | ||
D2 | 3 5/8 | 92.1 | 3 5/8 | 92.1 | 3 5/8 | 92.1 | 3 5/8 | 92.1 | 3 5/8 | 92.1 | 3 5/8 | 92.1 | 3 5/8 | 92.1 | ||
D1 | 4 3/4 | 121 | 5 | 127 | 5 | 127 | 5 | 127 | 6 1/2 | 165.1 | 6 1/2 | 165.1 | 6 3/4 | 171 | ||
n | 4 | 4 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | ||
d | 3/4 | 19 | 3/4 | 19 | 3/4 | 19 | 3/4 | 19 | 1 | 25.4 | 1 | 25.4 | 1 1/8 | 28.6 | ||
2 1/2 | A | 7 | 177.8 | 7 1/2 | 190.5 | 7 1/2 | 190.5 | 7 1/2 | 190.5 | 9 5/8 | 244 | 9 5/8 | 244 | 10 1/2 | 266.7 | |
b | 7/8 | 22.2 | 1 | 25.4 | 1 1/8 | 28.6 | 1 1/8 | 28.6 | 1 5/8 | 41.3 | 1 5/8 | 41.3 | 2 1/4 | 57.2 | ||
D2 | 4 1/8 | 104.8 | 4 1/8 | 104.8 | 4 1/8 | 104.8 | 4 1/8 | 104.8 | 4 1/8 | 105 | 4 1/8 | 105 | 4 1/8 | 105 | ||
D1 | 5 1/2 | 139.7 | 5 7/8 | 149.2 | 5 7/8 | 149.2 | 5 7/8 | 149.2 | 7 1/2 | 190.5 | 7 1/2 | 190.5 | 7 3/4 | 197 | ||
n | 4 | 4 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | ||
d | 3/4 | 19 | 7/8 | 22.2 | 7/8 | 22.2 | 7/8 | 22.2 | 1 1/8 | 28.6 | 1 1/8 | 28.6 | 1 1/4 | 31.8 |
JIS NW 2201 Reducing Flanges Thickness Tolerance
Wall Thickness Of Nickel 201 Flanges | ||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Normal Pipe Size (NPS) | O.D. (Outside Daimeter) | Sch 10 | Sch 20 | Sch 30 | STD Wall Outside Daimeter | Sch 40 | Sch 60 | EXT Hvy Outside Daimeter | Schedule 80 | Schedule 100 | Schedule 120 | Schedule 140 | Schedule 160 | XX Hvy |
½ | 0.84 | 0.083 | ... | ... | 0.109 | 0.109 | ... | 0.147 | 0.147 | ... | ... | ... | 0.188 | 0.294 |
¾ | 1.05 | 0.083 | ... | ... | 0.113 | 0.113 | ... | 0.154 | 0.154 | ... | ... | ... | 0.219 | 0.308 |
1 | 1.315 | 0.109 | ... | ... | 0.133 | 0.133 | ... | 0.179 | 0.179 | ... | ... | ... | 0.25 | 0.358 |
1 ¼ | 1.66 | 0.109 | ... | ... | 0.14 | 0.14 | ... | 0.191 | 0.191 | ... | ... | ... | 0.25 | 0.382 |
1 ½ | 1.9 | 0.109 | ... | ... | 0.145 | 0.145 | ... | 0.2 | 0.2 | ... | ... | ... | 0.281 | 0.4 |
2 | 2.375 | 0.109 | ... | ... | 0.154 | 0.154 | ... | 0.218 | 0.218 | ... | ... | ... | 0.344 | 0.436 |
2 ½ | 2.875 | 0.12 | ... | ... | 0.203 | 0.203 | ... | 0.276 | 0.276 | ... | ... | ... | 0.375 | 0.552 |
3 | 3.5 | 0.12 | ... | ... | 0.216 | 0.216 | ... | 0.3 | 0.3 | ... | ... | ... | 0.438 | 0.6 |
3 ½ | 4 | 0.12 | ... | ... | 0.226 | 0.226 | ... | 0.318 | 0.318 | ... | ... | ... | ... | 0.636 |
4 | 4.5 | 0.12 | ... | ... | 0.237 | 0.237 | ... | 0.337 | 0.337 | ... | 0.438 | ... | 0.531 | 0.674 |
5 | 5.563 | 0.134 | ... | ... | 0.258 | 0.258 | ... | 0.375 | 0.375 | ... | 0.5 | ... | 0.625 | 0.75 |
6 | 6.625 | 0.134 | ... | ... | 0.28 | 0.28 | ... | 0.432 | 0.432 | ... | 0.562 | ... | 0.719 | 0.864 |
8 | 8.625 | 0.148 | 0.25 | 0.277 | 0.322 | 0.322 | 0.406 | 0.5 | 0.5 | 0.594 | 0.719 | 0.812 | 0.906 | 0.875 |
10 | 10.75 | 0.165 | 0.25 | 0.307 | 0.365 | 0.365 | 0.5 | 0.5 | 0.594 | 0.719 | 0.844 | 1 | 1.125 | 1 |
12 | 12.75 | 0.18 | 0.25 | 0.33 | 0.375 | 0.406 | 0.562 | 0.5 | 0.688 | 0.844 | 1 | 1.125 | 1.312 | 1 |
14 | 14 | 0.25 | 0.312 | 0.375 | 0.375 | 0.438 | 0.594 | 0.5 | 0.75 | 0.938 | 1.094 | 1.25 | 1.406 | ... |
16 | 16 | 0.25 | 0.312 | 0.375 | 0.375 | 0.5 | 0.656 | 0.5 | 0.844 | 1.031 | 1.219 | 1.438 | 1.594 | ... |
18 | 18 | 0.25 | 0.312 | 0.438 | 0.375 | 0.562 | 0.75 | 0.5 | 0.938 | 1.156 | 1.375 | 1.562 | 1.781 | ... |
20 | 20 | 0.25 | 0.375 | 0.5 | 0.375 | 0.594 | 0.812 | 0.5 | 1.031 | 1.281 | 1.5 | 1.75 | 1.969 | ... |
22 | 22 | 0.25 | ... | ... | 0.375 | ... | ... | 0.5 | ... | ... | .... | .... | .... | .... |
24 | 24 | 0.25 | 0.375 | 0.562 | 0.375 | 0.688 | 0.969 | 0.5 | 1.219 | 1.531 | 1.812 | 2.062 | 2.344 | .... |
26 | 26 | .... | .... | .... | 0.375 | .... | .... | 0.5 | .... | .... | .... | .... | .... | .... |
30 | 30 | 0.312 | 0.5 | 0.625 | 0.375 | .... | .... | 0.5 | .... | .... | .... | .... | .... | .... |
36 | 36 | 0.312 | 0.5 | 0.625 | 0.375 | 0.75 | .... | 0.5 | .... | .... | .... | .... | .... | .... |
40 | 40 | .... | .... | .... | 0.375 | .... | .... | 0.5 | .... | .... | .... | .... | .... | .... |
42 | 42 | …….. | …….. | …….. | 0.375 | …….. | …….. | 0.5 | …….. | …….. | …….. | …….. | …….. | …….. |
48 | 48 | …….. | …….. | …….. | 0.375 | …….. | …….. | 0.5 | …….. | …….. | …….. | …….. | …….. | …….. |
Nickel Alloy 201 Flat Face Flange Tolerance Formula
Nickel 201 Flanges | Tolerance Table | |
---|---|---|
A | O.D. (Outside Diameter) |
|
D | Inside Diameter (I.D.) |
|
B | Diameter of contact face |
|
J | Diameter of hub at base |
|
H | Diameter of hub at point of welding |
|
P | Drilling |
|
Eccentricity of bolt circle with respect to facing |
|
|
C | Thickness |
|
K | Length of hub |
|
201 Alloy Pipe Flanges Ring Gasket Chart
Normal Pipe Size | Gasket I.D. (Inside Daimeter) |
Gasket O.D. (Outside Daimeter) | ||||
---|---|---|---|---|---|---|
150 LB | 300 LB | 400 LB | 600 LB | 900 LB | ||
1/2 | 0.84 | 1.875 | 2.125 | 2.125 | 2.125 | 2.50 |
3/4 | 1.06 | 2.25 | 2.625 | 2.625 | 2.625 | 2.75 |
1 | 1.31 | 2.625 | 2.875 | 2.875 | 2.875 | 3.125 |
1 1/4 | 1.66 | 3 | 3.25 | 3.25 | 3.25 | 3.50 |
1 1/2 | 1.91 | 3.375 | 3.75 | 3.75 | 3.75 | 3.875 |
2 | 2.38 | 4.125 | 4.375 | 4.375 | 4.375 | 5.625 |
2 1/2 | 2.88 | 4.875 | 5.125 | 5.125 | 5.125 | 6.50 |
3 | 3.50 | 5.375 | 5.875 | 5.875 | 5.875 | 6.625 |
4 | 4.50 | 6.875 | 7.125 | 7.00 | 7.625 | 8.125 |
5 | 5.56 | 7.75 | 8.50 | 8.375 | 9.50 | 9.75 |
6 | 6.62 | 8.75 | 9.875 | 9.75 | 10.50 | 11.375 |
8 | 8.62 | 11 | 12.125 | 12.00 | 12.625 | 14.125 |
10 | 10.75 | 13.375 | 14.25 | 14.125 | 15.75 | 17.125 |
12 | 12.75 | 16.125 | 16.625 | 16.50 | 18.00 | 19.625 |
Contact US Today For Buy Types Of Nickel 201 Flanges In India

Nickel 201 Weld Neck Flange

Alloy 201 Blind Flange

UNS N02201 Slip On Flange

Werkstoff Nr. 2.4068 Socket Weld Flange

ASTM B564 Nickel 201 Spectacle Blind Flange

JIS NW 2201 RTJ Flange

Nickel Alloy 201 Flat Face Flange

201 Alloy Orifice Flanges
No Matter Where The Location, Recently We Have Successfully Supplied Nickel 201 Flanges To The Following Countires
10 Inch, SCH 60, Class 300, RF, Alloy 201 Weld Neck Flanges | Thailand, Europe, France, Qatar |
22 Inch, ANSI B16.5, SCH 70, Class 2500, UNS N02201 Blind Flange | Norway, Malaysia, United Arab Emirates (UAE), Turkey |
RF, DN 100, B16.5, PN 50, Werkstoff Nr. 2.4068 Slip On Flanges | Indonesia, Belgium, Dammam -KSA, Philippines. |
24 Inch, 300#, BS EN 10204-1, ASTM B564 Nickel 201 Socket Weld Flange | Singapore, Malaysia, Canada, Philippines |
150#, SCH 80, 24 Inch, JIS NW 2201 Reducing Flanges | Europe, Romania, Japan, Malaysia |
SCH90, BS 10, 2 Inch, Nickel Alloy 201 Flat Face Flange | Czechia, Malaysia, Germany, Thailand |
300 LB, FF, ASME B16.5, 8 Inch, EN LC-Ni 99 RTJ Flanges | Malaysia, USA, Finland, Bangladesh |
SCH20, 10 Inch, Class 300, 201 Alloy Pipe Flanges | Iran, Chile, Italy, Singapore |
12 Inch, Class 1500, SCH30, Nickel N02201 Raised Face Flanges | Spain, UK, Egypt, Mexico |
Class 900, 14 Inch, Forged, Nickel Alloy 201 Spectacle Blind Flange | Poland, Canada, Ellington -United States, UK |
Raised Face, 16 Inch, Class 300, Nickel 201 Pipe Flanges | Europe, UAE, United Kingdom -UK, Malaysia |
ANSI B16.48, 18 Inch, 900 LB, RF, Nickel 201 Slip On Flange | Malaysia, Sweden, Colombia, China |
SCH 40, 8 Inch, 600#, Nickel 201 Weld Neck Flanges | Netherlands, Russia, Dubai, Malaysia |
10 In, Class 1500, SCH 50, RF, High Nickel Alloy 201 Flanges | Saudi Arabia (KSA), Kuwait, South Africa, Brazil |
RF, DN 100, B16.5, PN 50, 201 Alloy SORF Flanges | Indonesia, Belgium, Dammam -KSA, Philippines. |
24 Inch, 300#, BS EN 10204-1, Nickel 201 Plate Flanges | Singapore, Malaysia, Canada, Philippines |
150#, SCH 80, 24 Inch, Nickel 201 RTJ Flanges | Europe, Romania, Japan, Malaysia |
SCH90, BS 10, 2 Inch, Nickel Alloy 201 Raised Face Flanges | Czechia, Malaysia, Germany, Thailand |