Alloy 20 Flanges are made up of a nickel chromium molybdenum alloy that has high resistance to sulfuric acid and has high melting point This material has a high minimum tensile strength of 551 MPa and a high minimum yield strength of 241 MPa.
Alloy 20 ASTM B462 Threaded Flanges, Werkstoff No 2.4660 Alloy Socket Weld Flanges, ANSI B16.5, ANSI B16.47, B16.48, BS4504, BS 10, EN-1092 Alloy 20 Forged Flanges, Alloy 20 Lapped Joint Flange, Blind Flange, Lap Joint Flange Manufacturer Of UNS N08020 Alloy Plate Flange in Mumbai, India.
Valour Alloys Inc., we carry a full inventory and Supply Alloy 20 Flanges products in a variety of sizes widely used for marine applications due to their excellent resistance to seawater corrosion, low macrofouling rates, and good fabricability. Alloy 20 is a high-performance, austenitic Stainless Steel alloy that is designed for maximum corrosion resistance. Alloy 20, also known as Carpenter 20 or Incoloy 20, contains a unique combination of elements, including nickel, chromium, copper, and molybdenum. This alloy is particularly well-suited for applications in aggressive chemical environments, such as those involving sulfuric acid Alloy 20 flanges play a crucial role in various industries where corrosion resistance is a primary concern. These flanges are used to connect pipes, valves, pumps, and other equipment in piping systems. Here's an introduction to Alloy 20 flanges

Alloy 20 Flanges Manufacturer

Alloy 20 Flanges Exporter
How Are Alloy 20 Flanges Manufactured?
Valour Alloys Inc. explains here how to manufacture the Alloy 20 Flanges with proper guidelines covering the all important points such as how to select the Raw Materials Selection, Quality Inspection as well as Marking and Packaging. Raw material selection is one of the important concepts for the High-quality Alloy 20 materials such as nickel-iron-chromium alloy do you know Alloy 20 Flanges meet specific standards and requirements.
- Raw Materials Selection
- Quality Inspection
- Marking and Packaging
When we talk about Quality inspection it will be divided into two parts such as Nondestructive testing and Dimensional checks you know how to test Nondestructive? There are multiple methods such as ultrasonic testing, dye penetrant testing, and radiographic testing, to ensure that the flanges are free from defects for Dimensional checks we check the products performed to verify compliance with industry origin standards like ANSI, ASME, or ASTM. Our Alloy 20 Flanges is Marked and Packaged to ensure no damage during transit. In the case of export, the standard export packing is in a wooden box. All Alloy 20 Flanges are marked with our grade, batch number, size and mark. We can also do custom branding on our products as per buyer's unique requirements
The Ultimate Guide to Maintenance of Alloy 20 Flanges
Valour Alloys Inc. provides proper guidelines for the maintenance of Alloy 20 Flanges our guidelines help you for long-term performance, reduce downtime and prevent costly failures. We are explin the all-important concepts such as Cleaning Procedures, Storage and Handling Tips, Replacement Indicators
- Proper cleaning
- Storage & Handling
- Replacement Indicators
We are covering here the top 3 important concepts for the Maintenance of Alloy 20 Flanges, Proper Cleaning is one of the important points it is divided into two parts as Routine Cleaning and Deep Cleaning for the routine cleaning we have to do quarterly cleaning using mild detergent and water solution for general cleaning. For the Deep cleaning, we Apply a non-abrasive chemical cleaner designed for Alloy 20 Rinse thoroughly with deionized water to remove residue. Improper Storage and Handling can lead to flange damage Store flanges in a clean, dry, and ventilated area and Avoid stacking flanges directly to prevent surface damage. Do you know when we Replace Alloy 20 Flanges if Corrosion or pitting exceeds acceptable limits or Cracks or severe deformations are detected otherwise it's not required Replacement Indicators.
The Role of Alloy 20 Flanges in Industrial Applications
Alloy 20 Flanges are widely used in construction and other structural applications Many Industries use Alloy materials for their production of Alloy 20 Flanges products used in Major industries such as the Chemical Processing, Food and Beverage Industry, Pharmaceutical Production etc. Alloy 20 Flanges Designed to withstand harsh environments, these flanges are a reliable choice for industries that demand durability and efficiency there are some essential points are explained below.
- Chemical Processing
- Food and Beverage Industry
- Pharmaceutical Production
Alloy 20 Flanges play a major role in chemical processing industries Alloy 20 Flanges are known for their Superior resistance to pitting and crevice corrosion and Stability in high-concentration acidic solutions, do you know where Alloy 20 Flanges are used in chemical industries? Sulfuric acid processing plants and Phosphoric acid manufacturing. Alloy 20 Flanges are also used in the Food and Beverage Industry with common applications such as Processing tanks and Mixing vessels as well as Piping systems for liquid and semi-liquid food products. The pharmaceutical industry relies on Alloy 20 flanges for equipment exposed to corrosive substances and strict hygiene requirements. Typical uses include bioreactors and fermenters, Filtration systems, Piping for chemical transport
Comparison with Other Alloy 20 Products
Valour Alloys Inc. is one of the primary manufacturers of Alloy 20 Flanges The company has much experience in manufacturing and retailing Alloy 20 Flanges and the company also manufactures other grade products such as Alloy 20 Fasteners used in many industries such as Chemical Processing, Food and Beverage Industry, Pharmaceutical Production etc. While both Alloy 20 flanges and fasteners are made from the same corrosion-resistant material, their applications and characteristics differ
Feature | Alloy 20 Flanges | Alloy 20 Fasteners |
Purpose | Connect pipes, valves, and other equipment | Secure components together |
Design | Larger, flat, or raised surfaces with bolt holes | Smaller, threaded rods, nuts, or screws |
Mechanical Strength | Higher load-bearing capacity | Designed for tensile and shear strength |
Installation | Requires proper alignment and gasket sealing | Requires proper torque application |
Inspection Focus | Gasket seating and dimensional integrity | Thread wear and proper fit |
Common Issues | Misalignment, pitting, and warping | Thread stripping, corrosion, and galling |
Alloy 20 Flanges Range
Alloy 20 Flanges Specification | ASTM B462 / ASME SB462 |
Alloy 20 Flanges Manufacturing Process | Hot Forging / Rolling / Machining |
Alloy 20 Flanges Other Grades | Alloy 20 |
Alloy 20 Flanges Outer Diameter | 1/2" NB TO 64" NB |
Alloy 20 Flanges Pressure Class | Class 150#, Class 300#, Class 400#, Class 600#, Class 900#, Class 1500#, Class 2500# or As Per Custom Requirement PN 6, PN 10, PN 16, PN 25 and PN 40 etc |
Alloy 20 Flanges Schedule | Sch 10s TO Sch XXS or As Per Custom Requirement |
Alloy 20 Flanges Facing | Flate Face (FF), Raised Face (RF), Ring Type Joint Flange , Lap Joint Flange (RTJ) |
Alloy 20 Flanges Dimension | ASME B16.5,ASME B165, ASME B16.47 SERIES A, ASME B16.47 SERIES B, ASME B16.36, BS10, EN1092-1:2013, MSS SP44, ASA, API-605, ISO 7005, ISO 15590-3, DIN 2631--2638, DIN 2573-2576, DIN 2527, DIn 2641-2642, DIN 2565-2566, DIN2502, AWWA, AS2129 TABLE C, D, E, F, J etc. |
Alloy 20 Flanges Types | Welding Neck Flange, Slip On Flange, Socket Weld Flange, Lap Joint Flange, Lap Joint Flange, Threaded Flange, Blind Flange, Orifice Flanges, Plate Flange, Long Welding Neck Flange, Weldoflange, Nipoflange, Expander Flange, Reducing Flange, WNRF Flange, SORF Flange, SWRF Flange, Custom Flange as per Drawing etc. |
Alloy 20 Flanges Other Testing | NACE MR0175, Ultrasoung TEST, IGC TEST, Intergranular Corrrosion Test as per ASTM A262 Practice E, Charpy Impact Test, Macro, Grain Size, Hardness, HIC, SSC, Sour Service etc. |
Alloy 20 Flanges Value Added Services | Rolling, Drill, Punch, CNC Machining, Sand Blasting, Shot Blasting, Heat Treatment, Anti-rust Paint, Oil Black Paint, Yellow Transparent, Zinc Plated, Cold and Hot Dip Galvanized |
Alloy 20 Flanges Packaging | Loose / Carrate / Wooden Pallet / Wooden Box / Plastic Cloth Wraps |
Alloy 20 Flanges Shipment & Transportation | By Road - Truck / Train Partial Load, Full Load, By Sea - Break-bulk Conventional Vessel / FCL (Full Container Load) / LCL (Less Container Load) / 20 Feet Container / 40 Feet Container / 45 Feet Container / High Cube Container / Open Top Container, By Air - Freighter Civil Passenger and Cargo Planes |
Alloy 20 Flanges Material Test Certificate | Manufacturer Test Certificate As Per EN10204 3.1, 3.2 / Laboratory Test Certificate From NABL Approved Lab. / Under Third Party Inspection Agency Like SGS, TUV, DNV, LLOYDS, ABS, Bureau of Indian Standards BIS Approved ETC |
Alloy 20 Flanges
ASTM B462 Alloy 20 Slip on Flange | ASTM B462 Alloy 20 Threaded Flanges |
ASTM B462 Alloy 20 Weld Neck Flange | ASTM B462 Alloy 20 Socket Weld Flanges |
ASTM B462 Alloy 20 Blind Flange | ASTM B462 Alloy 20 Reducing Flanges |
ASTM B462 Alloy 20 Lap Joint Flange & Lap Joint Flange | ASTM B462 Alloy 20 Plate Flanges |
ASTM B462 Alloy 20 Orifice Flanges | ASTM B462 Alloy 20 Forged Flanges |
ASTM B462 Alloy 20 Ring Type Joint Flange & Lap Joint Flange | ASTM B462 Alloy 20 Square Flanges |
Types Of Alloy 20 Flanges
Chemical Composition of Alloy 20 Flanges
Grade | C | Mn | Si | S | Cu | Ni | Cr | Fe | Mo | P |
Alloy 20 | 0.07 max | 2.00 max | 1.00 max | 0.035 max | 3.00 – 4.00 | 32.00 – 38.00 | 19.00 – 21.00 | 29.85 min* | 2.00 – 3.00 | 0.045 max |
Mechanical Properties of Alloy 20 Flanges
Element | Density | Melting Point | Tensile Strength | Yield Strength (0.2%Offset) | Elongation |
Alloy 20 | 8.1 g/cm3 | 1443 °C (2430 °F) | Psi -80,000, MPa -551 | Psi – 35,000, MPa – 241 | 30 % |
Equivalent Grade of Alloy 20 Flanges
STANDARD | WERKSTOFF NR. | UNS | EN | AFNOR |
Alloy 20 | 2.4660 | N08020 | NiCr20CuMo | Z2NCUD31-20AZ |
Alloy 20 Flanges Weight Chart
Pipe Normal Diameter (inch) | Outer diameter Flange | Thicjness Of Flange Minimum | Diameter of Hub |
Diameter of Raised Face | Length Hub.Y | Thread Length | Diameter of Bolt Circle |
Diameter of Bolt Holes |
Number of Bolts |
Diameter of Bolts (inch) |
KG | LB | |
---|---|---|---|---|---|---|---|---|---|---|---|---|---|
1/2" | 15 | 89.00 | 11.20 | 30.20 | 35.10 | 15.70 | 15.70 | 60.50 | 15.80 | 4 | 1/2" | 0.4 | 0.9 |
3/4" | 20 | 98.50 | 12.70 | 38.10 | 42.90 | 15.70 | 15.70 | 69.90 | 15.80 | 4 | 1/2" | 0.7 | 1.5 |
1" | 25 | 108.00 | 14.20 | 49.30 | 50.80 | 17.50 | 17.50 | 79.30 | 15.80 | 4 | 1/2" | 0.8 | 1.8 |
1-1/4" | 32 | 117.50 | 15.70 | 58.70 | 63.50 | 20.60 | 20.60 | 88.90 | 15.80 | 4 | 1/2" | 1.2 | 2.6 |
1-1/2" | 40 | 127.00 | 17.50 | 65.00 | 73.20 | 22.40 | 22.40 | 98.60 | 15.80 | 4 | 1/2" | 1.5 | 3.3 |
2" | 50 | 152.50 | 19.10 | 77.70 | 91.90 | 25.40 | 25.40 | 120.70 | 19.10 | 4 | 5/8" | 2.3 | 5.1 |
2-1/2" | 65 | 178.00 | 22.40 | 90.40 | 104.60 | 28.40 | 28.40 | 139.70 | 19.10 | 4 | 5/8" | 3.7 | 8.1 |
3" | 80 | 190.50 | 23.90 | 108.00 | 127.00 | 30.20 | 30.20 | 152.40 | 19.10 | 4 | 5/8" | 4.1 | 9 |
3-1/2" | 90 | 216.00 | 23.90 | 122.20 | 139.70 | 31.80 | 31.80 | 177.80 | 19.10 | 8 | 5/8" | 5.1 | 11.2 |
4" | 100 | 228.50 | 23.90 | 134.90 | 157.20 | 33.30 | 33.30 | 190.50 | 19.10 | 8 | 5/8" | 5.9 | 13 |
5" | 125 | 254.00 | 23.90 | 163.60 | 185.70 | 36.60 | 36.60 | 215.90 | 22.40 | 8 | 3/4" | 7 | 15.4 |
6" | 150 | 279.50 | 25.40 | 192.00 | 215.90 | 39.60 | 39.60 | 241.30 | 22.40 | 8 | 3/4" | 8.4 | 18.5 |
8" | 200 | 343.00 | 28.40 | 246.10 | 269.70 | 44.50 | 44.50 | 298.50 | 22.40 | 8 | 3/4" | 13 | 28.6 |
10" | 250 | 406.50 | 30.20 | 304.80 | 323.90 | 49.30 | 49.30 | 362.00 | 25.40 | 12 | 7/8" | 18 | 39.5 |
12" | 300 | 482.50 | 31.80 | 365.30 | 381.00 | 55.60 | 55.60 | 431.80 | 25.40 | 12 | 7/8" | 29 | 64 |
14" | 350 | 533.50 | 35.10 | 400.10 | 412.80 | 57.20 | 57.20 | 476.30 | 28.50 | 12 | 1" | 39 | 86 |
16" | 400 | 597.00 | 36.60 | 457.20 | 469.90 | 63.50 | 63.50 | 539.80 | 28.50 | 16 | 1" | 47 | 103 |
18" | 450 | 635.00 | 39.60 | 505.00 | 533.40 | 68.30 | 68.30 | 577.90 | 31.80 | 16 | 1 1/8" | 57 | 126 |
20" | 500 | 698.50 | 42.90 | 558.80 | 584.20 | 73.20 | 73.20 | 635.00 | 31.80 | 20 | 1 1/8" | 76 | 167 |
24" | 600 | 813.00 | 47.80 | 663.40 | 692.20 | 82.60 | 82.60 | 749.30 | 35.10 | 20 | 1 1/4" | 97 | 214 |
Other Available Products Of Alloy 20 Flanges
Alloy 20 Flanges | Alloy 20 EN 1092-1 Flanges |
Alloy UNS N08020 Flanges | Alloy 20 Slip on Flange |
Alloy 20 Flat Flange Suppliers | ANSI Alloy 20 Blind Flange |
Alloy DIN 2.4660 Weld Neck Flange Dealer | Alloy NiCr20CuMo Socket weld Flanges Exporter |
Alloy 20 BS 4504 Flanges | Alloy 20 Forged Flanges |
ANSI B16.5 Alloy 20 RTJ Flanges | Alloy 20 Screwed Flanges Stockist |
ASTM B564 Alloy 20 Lap Joint Flange and Lap Joint Flange | ASME SB564 Alloy 20 BLRF Flange |
Alloy 20 Raised Face Flanges | Alloy 20 Nipoflange |
Alloy 20 Square Flanges | ASME SB564M Alloy 20 SWRF Flange |
INCOLOY® Alloy 20 Long Weld Neck Flange Stockholder | Alloy 20 Threaded Flanges Distributors |
Alloy 20 Reducing Flanges | Alloy 20 Ring Type Joint Flange and Lap Joint Flange Manufacturer |
Carpenter® 20 Alloy Orifice Flange | Alloy 20 Spectacle Blind Flange |
Alloy 20 WNRF Flange | Alloy 20 SORF Flanges |
Alloy 20 Tongue & Groove Flanges | Alloy 20 Male & Female Flanges |
Alloy 20 DIN Flanges | Alloy 20 ASME B16.5 Flanges |
Test Certificates
We Alloy 20 Flanges with the following details Mill Test Certificate according to EN 10204 3.1, PMI Test, Test Report from NABL Approved Lab, 3.2 Certification by External Testing Authority third, ultrasonic test report, and X-ray report.
Marking & Packing
Our Alloy 20 Flanges is packaged to ensure no damage during transit. In the case of export, the standard export packing is in a wooden box. All Alloy 20 Flanges are marked with our grade, batch number, size and mark. We can also do custom branding on our products as per buyer's unique requirements
Supplying Alloy 20 Flanges to Countries
We Export Alloy 20 Flanges to Saudi Arabia, Iran, Iraq, United Arab Emirates, Qatar, Bahrain, Oman, Kuwait, Turkey, Egypt, Yemen, Syria, Israel, Jordan, Cyprus, Singapore, Malaysia, Indonesia, Thailand, Vietnam, South Korea, Japan, Sri Lanka, Maldives, Bangladesh, Mayanmar, Taiwan, Cambodia, Argentina, Bolivia, Brazil, Chile, Venezuela, Colombia, Ecuador, Guyana, Paraguay, Uruguay, United States of America, Canada, Mexico, Panama, Costa Rica, Puerto Rica, Trinidad And Tobago, Jamaica, Bahamas, Denmark, Russia, Norway, Germany, France, Italy, United Kingdom, Spain, Ukraine, Netherland, Belgium, Greece, Czech Republic, Portugal, Hungary, Albania, Austria, Switzerland, Slovakia, Finland, Ireland, Croatia, Slovenia, Malta, Nigeria, Algeria, Angola, South Africa, Libya, Egypt, Sudan, Equatorial Guinea, The Republic Of Congo, Gabon, Europe, Africa, Asia, North America, South America, Middle East, Far East Etc.
Distributing Alloy 20 Flanges to Cities
We Export Alloy 20 Flanges to Navi Mumbai, Indore, Baroda, Muscat, Secunderabad, Gimhae-si, Kanpur, Colombo, Kuala Lumpur, Bhopal, Pimpri-Chinchwad, Rajkot, Haryana, Hanoi, Ernakulam, Chandigarh, Surat, Los Angeles, Hong Kong, Ahmedabad, Perth, Petaling Jaya, Hyderabad, Mumbai, Algiers, Edmonton, Ludhiana, Ho Chi Minh City, Karachi, Bangkok, Dallas, Bengaluru, Jakarta, Granada, Seoul, Cairo, Geoje-si, Rio de Janeiro, Abu Dhabi, Port-of-Spain, Sydney, London, Courbevoie, Vung Tau, Sharjah, Jaipur, Lahore, Chennai, Istanbul, Lagos, Thane, Dubai, Coimbatore, La Victoria, Calgary, Jeddah, Busan, Mexico City, Al Khobar, Caracas, Singapore, Atyrau, Manama, Kolkata, Riyadh, Jamshedpur, Brisbane, Toronto, Noida, Ahvaz, Vadodara, Doha, Visakhapatnam, Ulsan, New Delhi, Gurgaon, Bogota, Howrah, Moscow, Nashik, Ranchi, Nagpur, Al Jubail, Houston, Milan, Chiyoda, Aberdeen, Melbourne, New York, Dammam, Montreal, Santiago, Kuwait City, Pune, Tehran, Thiruvananthapuram, Faridabad, Madrid, Ankara Etc.