Alloy 20 Flanges Unique Features
| Size in Ready Stock: | 1/2″ to 48″ | DN15 to DN1500 |
|---|---|
| Grade | Alloy 20 Flanges | UNS N08020 | DIN/ WNR 2.4660 |
| Nickel & Copper Content | Ni 32 -38 & Cu 3 – 4 |
| Approval : | ADNOC, Q CHEM, EIL, MA’ADEN, KNPC, BAPCO, SABIC, KOC, Saudi Aramco, RINA, KPI |
| Suitable for | Highly Corrosive Resistant applications, Chemical Service as per NACE MR0175 / ISO 15156. (WAS DC-002-397-32) |
| Alloy 20 Flanges Classification | BL (Blind) Flange, TH (Threaded) Flange, SO (Slip-On) Flange, WN (Weld Neck) Flange, SW (Socket Weld) Flange, LJ (Lapped) Flange |
| Service Life : | 25 – 30 Years |
| Other Trade Name | 20, 20CB-3®, Carpenter® |
| MTC: | EN 10204/3.1B |
| RFQ: | support@pipingmaterial.ae |
20CB3 Slip On Flange and Carpenter 20 Weld Neck Flanges Suppliers in UAE
Alloy 20 Flanges Specification
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Dimensions: ASME B16.5, B16.47, B16.36, B16.48
Size Range : 15 to 1500 NB, NPS: 1/2″ – 48″
Pressure Rating: Class 150 – 2500# (Forged), 150# to 600# (Threaded)
Manufacturing Standard: ASTM B462/ ASME SB 462
Corrosion Resistance: Sulfuric and Hydrochloric Acid, Seawater
Surface Finish: Mirror & Stock Finish, Smooth Finish
Design Spec: ASME VIII DIV 2 (PART 4-5)
Manufacturing Procedure: As per NORSOK M-650/ISO 17782
Documentation: MTC EN 10204/3.1B, Third Party Inspection
Packaging: Wooden Case, Plastic Bag, Carton Box
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100% Radiography Tested 20CB3 Slip On Flange with MTC EN 10204/3.1
Incoloy 20 Reducing Flange and Carpenter 20 Lap Joint Flange As Per ASME B16.5, JIS, ISO 7005, EN 1092-1 Etc
ASTM B462 Flanges Diameter & Number Of The Bolt Holes
| Pressure Classes | Hole | Diameter (mm) |
|---|---|---|
| 2500 | 12 | 73 |
| 1500 | 16 | 54 |
| 900 | 20 | 38.1 |
| 600 | 20 | 34.9 |
| 400 | 16 | 34.9 |
| 300 | 16 | 28.6 |
| 150 | 12 | 25.4 |
5 Steps That Are Required For The Maintenance of Carpenter 20 Blind Flange ?
Locate Available Material From Stock
| Country | Cities |
|---|---|
| Netherlands | The Hague |
| Belgium | Brussels |
| Netherlands | Amsterdam |
| Belgium | Ghent |
| Belgium | Westerlo |
| Netherlands | Rotterdam |
| Belgium | Leuven |
| Netherlands | Eindhoven |
| Belgium | Antwerp |
| Belgium | Seraing |
| Netherlands | Haarlem |
| Belgium | Meeuwen-Gruitrode |
2.4660 Alloy 20 Forged Flanges Torque Formula
| Nominal Flange Sizes | Radial Projection Max | ||
|---|---|---|---|
| No Deeper | Deeper | ||
| mm | Inch | ||
| 25 | 1 | 3 | 1.5 |
| 50 | 2 | 3 | 1.5 |
| 80 | 3 | 4.5 | 1.5 |
| 100 | 4 | 6 | 3 |
| 125 | 5 | 6 | 3 |
| 150 | 6 | 6 | 3 |
| 200 | 8 | 8 | 4.5 |
| 250 | 10 | 8 | 4.5 |
| 300 | 12 | 8 | 4.5 |
| 350 | 14 | 8 | 4.5 |
| 400 | 16 | 10 | 4.5 |
| 450 | 18 | 12 | 6 |
| 500 | 20 | 12 | 6 |
| 600 | 24 | 12 | 6 |
View Alloy 20 Threaded Flange and Alloy 2.4660 Lapped Joint Flange Price List, Check 20CB3 Blind Flanges Pressure Rating and Specification
Alloy 20 Pipe Flanges Pressure Ratings in PSIG
| Temperature (°F) | 2500# | 1500# | 900# | 600# | 400# | 300# | 150# |
|---|---|---|---|---|---|---|---|
| 900 | 2285 | 1370 | 825 | 550 | 365 | 275 | 50 |
| 850 | 3145 | 1885 | 1130 | 755 | 505 | 375 | 65 |
| 800 | 3820 | 2290 | 1375 | 915 | 610 | 460 | 80 |
| 750 | 3880 | 2330 | 1395 | 930 | 620 | 465 | 95 |
| 700 | 3920 | 2350 | 1410 | 940 | 625 | 470 | 110 |
| 650 | 3940 | 2365 | 1420 | 945 | 630 | 475 | 125 |
| 600 | 3940 | 2365 | 1420 | 945 | 630 | 475 | 140 |
| 500 | 3940 | 2365 | 1420 | 945 | 630 | 475 | 170 |
| 400 | 3940 | 2365 | 1420 | 945 | 630 | 475 | 180 |
| 300 | 4080 | 2450 | 1470 | 980 | 655 | 490 | 190 |
| 200 | 4380 | 2630 | 1575 | 1050 | 700 | 525 | 200 |
| -20 – 100 | 5000 | 3000 | 1800 | 1200 | 800 | 600 | 230 |
Sales Representatives Are Available to Provide Prompt Quotes
| MENA | Libya, Morocco, Tunisia, Algeria, Israel, Egypt, Palestine |
|---|---|
| Africa | South Africa, Nigeria, Morocco, Kenya, Tunisia, Egypt, Algeria |
| Middle East Countries | Lebanon, Qatar, Saudi, Bahrain, UAE, Kuwait, Iraq, Jordan, Iran, Syria, Yemen |
Bar Pressure Ratings Chart of ASTM B462 UNS N08020 Material
| Temperature (°C) | Pressure Classes | ||||||
|---|---|---|---|---|---|---|---|
| 2500 | 1500 | 900 | 600 | 400 | 300 | 150 | |
| 425 | 291.6 | 175.1 | 105.1 | 70.0 | 46.5 | 35.2 | 5.5 |
| 400 | 304.9 | 183.1 | 109.8 | 73.3 | 48.9 | 36.5 | 6.5 |
| 375 | 323.2 | 194.1 | 116.5 | 77.6 | 51.6 | 38.9 | 7.4 |
| 350 | 335.3 | 201.1 | 120.7 | 80.4 | 53.6 | 40.3 | 8.4 |
| 325 | 344.3 | 206.6 | 124.0 | 82.6 | 55.0 | 41.4 | 9.3 |
| 300 | 357.1 | 214.4 | 128.6 | 85.7 | 57.0 | 42.9 | 10.2 |
| 250 | 379.2 | 227.5 | 136.5 | 91.0 | 60.7 | 45.5 | 12.1 |
| 200 | 392.9 | 235.8 | 141.5 | 94.3 | 62.9 | 47.2 | 13.8 |
| 150 | 407.8 | 244.7 | 146.8 | 97.9 | 65.3 | 48.9 | 15.8 |
| 100 | 423.9 | 254.4 | 152.6 | 101.7 | 67.8 | 50.9 | 17.7 |
| 50 | 430.9 | 258.6 | 155.1 | 103.4 | 68.9 | 51.7 | 19.5 |
| -29~38 | 430.9 | 258.6 | 155.1 | 103.4 | 68.9 | 51.7 | 20.0 |
Threads Types for ASTM B462 UNS N08020 Flanges
- MNPT
- BSP
- MPT
- BSPP
- BSPT
- FPT
- NPT
Dimension Chart for Incoloy Alloy 20 Weld Neck Flanges
| Nominal Sizes (Inch) | Wall Thck. (C) | Outside Diameter (O.D.) (O) | Diameter of Bolts | Raised Face (R) | Hub at Point of Welding (A) | No. of Holes | Weight (lbs) | Hub at Base (X) | Hub Length (Y) | Diameter of Holes | Diameter of Bolt Circle |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 24 | 1.88 | 32.00 | 1.25 | 27.25 | 24.00 | 20 | 260 | 26.12 | 6.00 | 1.38 | 29.50 |
| 20 | 1.69 | 27.50 | 1.12 | 23.00 | 20.00 | 20 | 180 | 22.00 | 5.69 | 1.25 | 25.00 |
| 18 | 1.56 | 25.00 | 1.12 | 21.00 | 18.00 | 16 | 150 | 19.88 | 5.50 | 1.25 | 22.75 |
| 16 | 1.44 | 23.50 | 1.00 | 18.50 | 16.00 | 16 | 140 | 18.00 | 5.00 | 1.12 | 21.25 |
| 14 | 1.38 | 21.00 | 1.00 | 16.25 | 14.00 | 12 | 110 | 15.75 | 5.00 | 1.12 | 18.75 |
| 12 | 1.25 | 19.00 | 0.88 | 15.00 | 12.75 | 12 | 80 | 14.38 | 4.50 | 1.00 | 17.00 |
| 10 | 1.19 | 16.00 | 0.88 | 12.75 | 10.75 | 12 | 52 | 12.00 | 4.00 | 1.00 | 14.25 |
| 8 | 1.12 | 13.50 | 0.75 | 10.62 | 8.63 | 8 | 39 | 9.69 | 4.00 | 0.88 | 11.75 |
| 6 | 1.00 | 11.00 | 0.75 | 8.50 | 6.63 | 8 | 24 | 7.56 | 3.50 | 0.88 | 9.50 |
| 5 | 0.94 | 10.00 | 0.75 | 7.31 | 5.56 | 8 | 19 | 6.44 | 3.50 | 0.88 | 8.50 |
| 4 | 0.94 | 9.00 | 0.62 | 6.19 | 4.50 | 8 | 15 | 5.31 | 3.00 | 0.75 | 7.50 |
| 3 1/2 | 0.94 | 8.50 | 0.62 | 5.50 | 4.00 | 8 | 12 | 4.81 | 2.81 | 0.75 | 7.00 |
| 3 | 0.94 | 7.50 | 0.62 | 5.00 | 3.50 | 4 | 10 | 4.25 | 2.75 | 0.75 | 6.00 |
| 2 1/2 | 0.88 | 7.00 | 0.62 | 4.12 | 2.88 | 4 | 8 | 3.56 | 2.75 | 0.75 | 5.50 |
| 2 | 0.75 | 6.00 | 0.62 | 3.62 | 2.38 | 4 | 6 | 3.06 | 2.50 | 0.75 | 4.75 |
| 1 1/4 | 0.62 | 4.62 | 0.50 | 2.50 | 1.66 | 4 | 3 | 2.31 | 2.25 | 0.62 | 3.50 |
| 1 | 0.56 | 4.25 | 0.50 | 2.00 | 1.32 | 4 | 3 | 1.94 | 2.19 | 0.62 | 3.12 |
| 1/2 | 0.44 | 3.50 | 0.50 | 1.38 | 0.84 | 4 | 2 | 1.19 | 1.88 | 0.62 | 2.38 |
20CB3 Alloy 20 Slip On Flanges Size Chart
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| Nominal Sizes (Inch) | Wall Thck. (T) | Outside Diameter (O.D.) (O) | Length Thru Hub (Y) | Bore (B) | Bolt Circle (C) | Dia. of Holes | Raised Face Diameter (R) | Hub Diameter (X) | Approx. Weight (lbs) | No. of Holes |
|---|---|---|---|---|---|---|---|---|---|---|
| 24 | 1.88 | 32.00 | 3.25 | 24.25 | 29.50 | 1.38 | 27.25 | 26.13 | 220 | 20 |
| 22 | 1.81 | 29.50 | 3.13 | 22.22 | 27.25 | 1.38 | 25.25 | 24.25 | 185 | 20 |
| 20 | 1.69 | 27.50 | 2.88 | 20.20 | 25.00 | 1.25 | 23.00 | 22.00 | 165 | 20 |
| 18 | 1.56 | 25.00 | 2.69 | 18.18 | 22.75 | 1.25 | 21.00 | 19.88 | 130 | 16 |
| 16 | 1.44 | 23.50 | 2.50 | 16.16 | 21.25 | 1.13 | 18.50 | 18.00 | 98 | 16 |
| 14 | 1.38 | 21.00 | 2.25 | 14.14 | 18.75 | 1.13 | 16.25 | 15.75 | 90 | 12 |
| 12 | 1.25 | 19.00 | 2.19 | 12.088 | 17.00 | 1.00 | 15.00 | 14.38 | 64 | 12 |
| 10 | 1.19 | 16.00 | 1.94 | 10.88 | 14.25 | 1.00 | 12.75 | 12.00 | 43 | 12 |
| 8 | 1.13 | 13.50 | 1.75 | 8.72 | 11.75 | 0.88 | 10.63 | 9.69 | 30 | 8 |
| 6 | 1.00 | 11.00 | 1.56 | 6.72 | 9.50 | 0.88 | 8.50 | 7.56 | 19 | 8 |
| 5 | 0.94 | 10.00 | 1.44 | 5.66 | 8.50 | 0.88 | 7.31 | 6.44 | 15 | 8 |
| 4 | 0.94 | 9.00 | 1.31 | 4.57 | 7.50 | 0.75 | 6.19 | 5.31 | 13 | 8 |
| 3 1/2 | 0.94 | 8.50 | 1.25 | 4.07 | 7.00 | 0.75 | 5.50 | 4.81 | 11 | 8 |
| 3 | 0.94 | 7.50 | 1.19 | 3.57 | 6.00 | 0.75 | 5.00 | 4.25 | 8 | 4 |
| 2 1/2 | 0.88 | 7.00 | 1.13 | 2.94 | 5.50 | 0.75 | 4.13 | 3.56 | 7 | 4 |
| 2 | 0.75 | 6.00 | 1.00 | 2.44 | 4.75 | 0.75 | 3.63 | 3.06 | 5 | 4 |
| 1 1/4 | 0.63 | 4.63 | 0.81 | 1.70 | 3.50 | 0.63 | 2.50 | 2.31 | 3 | 4 |
| 1 | 0.56 | 4.25 | 0.69 | 1.36 | 3.13 | 0.63 | 2.00 | 1.94 | 2 | 4 |
| 1/2 | 0.44 | 3.50 | 0.63 | 0.88 | 2.38 | 0.63 | 1.38 | 1.19 | 1 | 4 |
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SB 462 UNS N08020 Flange Corrosion Cracking Comparison Time
| Grade | 26% NaCl | 33% LiCl | 42% MgCl2 |
|---|---|---|---|
| Alloy 20 | No Crack | No Crack | SCC |
Common Types of Alloy 20 Flanges
Check Alloy 20 Flanges Suppliers in UAE offering a wide range of types
Nickel Alloy 20 Socket Weld Flanges
Alloy-20 Slip On Flanges
DIN 2.4660 Lap Joint Flanges
Alloy 20 Weld Neck Flanges
Alloy 20 Blind Flanges (Blank Flange)
Alloy 20 Inconel Reducing Flange
Carpenter 20 Threaded Flanges
Alloy 20 Stainless Steel Backing Flange
Incoloy Alloy 20 LWN Flanges (Long Weld Neck)
Call Now for Free Sample Which Can Be Arranged From Locations Mentioned Below
| Sharjah | Umm Al Quwain | Fujairah | Doha |
|---|---|---|---|
| Muscat | Dubai | Riyadh | Ras Al Khaimah |
| Saudi Arabia | Abu Dhabi | Al Jubail | Ajman |
Class 1500 Carpenter 20 Flange Weight Chart
| Nominal Sizes (Inch) | Blind | Slip On | Socket Weld | Threaded | Lap Joint | Weld Neck |
|---|---|---|---|---|---|---|
| 24 | 1631 | 1271 | 1271 | 1271 | 1271 | 1496 |
| 20 | 1001 | 922.5 | 922.5 | 922.5 | 798.8 | 922.5 |
| 18 | 787.5 | 731.3 | 731.3 | 731.3 | 663.8 | 731.3 |
| 16 | 585 | 562.5 | 562.5 | 562.5 | 562.5 | 562.5 |
| 14 | 438.8 | 423 | 423 | 423 | 400.5 | 423 |
| 12 | 348.8 | 300.2 | 300.2 | 300.2 | 337.1 | 310.5 |
| 10 | 229.5 | 196.2 | 196.2 | 196.2 | 218.3 | 204.8 |
| 8 | 135.9 | 117 | 117 | 117 | 128.7 | 123.8 |
| 6 | 72 | 74.3 | 74.3 | 74.3 | 76.5 | 74.3 |
| 5 | 63 | 59.4 | 59.4 | 59.4 | 63 | 59.4 |
| 4 | 32.9 | 32.9 | 32.9 | 32.9 | 33.8 | 32.9 |
| 3 | 21.6 | 21.6 | 21.6 | 21.6 | 21.2 | 21.6 |
| 2½ | 15.8 | 16.2 | 16.2 | 16.2 | 15.8 | 16.2 |
| 2 | 11.3 | 11.3 | 11.3 | 11.3 | 11.3 | 11.3 |
| 1½ | 6.3 | 6.3 | 6.3 | 6.3 | 6.3 | 6.3 |
| 1¼ | 4.5 | 4.5 | 4.5 | 4.5 | 4.5 | 4.5 |
| 1 | 4.1 | 3.6 | 3.6 | 3.6 | 3.6 | 4.1 |
| 1/2 | 1.8 | 2.7 | 2.7 | 2.7 | 2.7 | 3.2 |
How To Find Out The Right ASTM B462 UNS N08020 Slip On Flange Dimensions ?
- Identification the Standards
- Confirmation of Pipe Size
- Verifying The Outer Diameter (O.D.) & Inside Diameter (I.D.) of Flange
- Measure it’s Wall Thck.
- Verification of Flange Hub Height
Get Direct Quotes From Verified Manufacturers & Suppliers of 2.4660 Alloy 20 Forged Flanges in UAE, Check Alloy 20 Lap Joint Flanges Price Per Kg in Bahrain
Crevice & Pitting Corrosion of SB 462 Material Flange
| Grade | CPT in Acidified 10% FeCl3 | CCT in Acidified 1M NaCl | ||
|---|---|---|---|---|
| Celsius | Fahrenheit | Celsius | Fahrenheit | |
| Alloy 20 | 50°C | 122°F | 50°C | 122°F |
Manufacturing Methods for Alloy 2.4660 Flanges
Chemical Composition for ASTM B462 Alloy 20 Blind Flanges
| Grade | ASTM B462 UNS N08020 |
|---|---|
| Phosphorus (P) | 0.045% |
| Copper (Cu) | 3% – 4% |
| Chromium (Cr) | 19% – 21% |
| Silicon (Si) | 1% |
| Iron (Fe) | Balanced |
| Sulfur (S) | 0.035% |
| Carbon (C) | 0.07% |
| Molybdenum (Mo) | 2% – 3% |
| Nickel (Ni) | 32% -38% |
| Niobium* + Tantalum (Nb + Ta) | (8 x C) – 1 |
| Manganese (Mn) | 2% |
SB 462 UNS N08020 Blind Flanges Ultimate Tensile Strength
| Grade | Ultimate Tensile Strength | |
|---|---|---|
| Mpa | Psi | |
| Alloy 20 Pipe Flange | 551 | 80000 |
Mechanical Properties of Inconel Alloy 20 Socket Weld Flanges
| Grade | Density | Yield Strength (0.2%Offset) | Elongation | |
|---|---|---|---|---|
| Mpa | Psi | |||
| Alloy 20 Pipe Flange | 8.1 g/cm3 | 241 | 35000 | 30% |
Equivalent of Alloy 20 Flanges
| Product | UNS | Werkstoff NR. | GOST | AFNOR | JIS | EN | BS |
|---|---|---|---|---|---|---|---|
| Alloy 20 Flanges | N08020 | 2.4660 | – | Z2NCUD31-20AZ | – | NiCr20CuMo | – |
ASME B16.5 Carpenter 20 Socket Weld Flange Applications
How To Determine Whether The Carpenter 20 Flange Specification Is Accurate ?
- Checking The Flange Grade Compliance
- Verification of ASTM & ASME Standard
- Pressure Rating of Flanges
- Dimensions of Flange Checking
- Inspecting The Heat Number
- Cross Checking The Bolt Holes Size
- Markings on Material
Material Inspection Facilities in the Following Countries
| Region | Country | City |
|---|---|---|
| Africa | South Africa | Cape Town |
| Middle East | United Arab Emirates | Dubai |
| Africa | South Africa | Johannesburg |
| Middle East | Saudi Arabia | Riyadh |
| Middle East | Saudi Arabia | Jeddah |
| MENA | Morocco | Casablanca |
| Middle East | Kuwait | Kuwait City |
| Middle East | United Arab Emirates | Abu Dhabi |
| Africa | Nigeria | Lagos |
| Middle East | Saudi Arabia | Dammam |
| MENA | Egypt | Cairo |
| Middle East | Qatar | Doha |
| Africa | Nigeria | Abuja |
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