What is B564/B462 Alloy 20 Flanges ?

ASTM B462 Alloy 20 flanges are manufactured and supplied in various industries. These flanges are enriched with extraordinary properties. These flanges are purely ductile and durable. ASME SB462 alloy 20 flanges are enriched with amazing properties. These flanges are used as nozzles, valves, and also to connect pipe ends. Alloy 20 flanges are made of elements such as copper and molybdenum. The alloy includes a high amount of molybdenum which provides excellent robustness and scalability to the grade.

Alloy 20 grade also includes a high amount of iron-chromium-nickel. This combination provides extra stability and burliness to the grade. These flanges are available in various forms and types. These alloy 20 flanges are obtainable in threaded, forged, plated and screwed forms. The tensile strength of these flanges is 80000 psi whereas the yield strength is 35000 psi. Similarly the melting point of these flanges is 1443°C and the elongation is upto 30%.


Werkstoff Nr. 2.4660 Alloy 20 Flanges, Alloy 20 Flanges, ASTM B462 Alloy 20 Flanges, Alloy 20 Weld neck Flanges (WNRF), Alloy 20 Threadolet, UNS N08020 Socket weld Flanges.

Sumit Impex is the most prominent manufacturer and supplier of these ASTM B564/B462 Alloy 20 Flanges. These flanges are made of superior quality raw material and mechanism. We at Sumit Impex make sure that our every product is conscientiously tested and certified. We also provide all the certificates and authorised papers with our products.

ASTM B564/B462 Alloy 20 Flanges Specifications

Specifications ASTM B462/ ASME SB462
Standard ANSI/ASME B16.5, B 16.47 Series A & B, B16.48, BS4504, BS 10, EN-1092, DIN, etc.
Size Range 1/2″ (15 NB) to 48″ (1200NB) DN10~DN5000 , as per Customer Requirements
Dimensions ANSI/ASME B16.5, B 16.47 Series A & B, B16.48, BS4504, BS 10, EN-1092, DIN, etc.
Class / Pressure 150#, 300#, 600#, 900#, 1500#, 2500#, PN6, PN10, PN16, PN25, PN40, PN64 etc.
Surface pickling, annealing, bright, sand blast, hair line
Type Weld Neck Ring Flange (WNRF), Slip-On Ring Flange (SORF), Blind Ring Flange (BLRF), Socket Weld Ring Flange (SWRF), Threaded Ring Flange, Lap Joint Ring Flange (LJRF), Ring Type Joint Flange (RTJF),
Connection type Raised Face, Flat Face, Ring Type Joint, Lap-Joint Face, Large Male-Female, Small Male-Female, Large Tongue, Groove, Small Tongue, Groove.
Test Certificates EN 10204/3.1B, Raw Materials Certificate, 100% Radiography Test Report, Third Party Inspection Report, etc
Alloy 20 2.4660 N08020 Z2NCUD31-20AZ NiCr20CuMo
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 3.0-4.0 32.0-38.0 19.0-21.0 29.85 min* 2.0-3.0 0.045 max
Density Melting Point Tensile Strength Yield Strength (0.2%Offset) Elongation
8.1 g/cm3 1443 °C (2430 °F) Psi -80,000, MPa -551 Psi – 35,000, MPa – 241 30%

Other Products

Alloy 20 SORF Flanges Alloy 20 Flanges
WNR. 2.4660 Pipe Flanges Alloy 20 Blind Flanges
Alloy 20 Spacer Ring Flanges UNS N08020 Nipolet Flanges
Carpenter 20 Ring Type Joint Flanges Alloy 20 Nipolet Flanges
Alloy 20 Flat Flange Alloy 20 Nipo Flange
ASTM B462 Alloy 20 Long weld Neck Flanges Alloy 20 Lap Joint Flanges

ASTM B564/B462 Alloy 20 Flanges

  • 20 Alloy Flanges
    US $0.5-1000 / Piece (FOB Price)
  • Alloy 20 Pipe Flanges
    US $300-500 / Ton (FOB Price)
  • Carpenter 20 Weld Neck Flanges
    US $1-900 / Piece (FOB Price)
  • ASTM B462 20 alloy plate flanges
    US $0.5-1000 / Piece (FOB Price)
  • 20 Pipe Flanges
    US $1-300 / Piece (FOB Price)

Different Types of Alloy 20 Flanges

  • Alloy 20 Bleed Ring Flange
  • ASTM B462 Bleed Ring Flange
  • ASME SB462 Bleed Ring Flange
  • UNS N08020 Bleed Ring Flange
  • WNR 2.4660 Bleed Ring Flange
  • Alloy 20 Grade Blind Flange
  • ASTM B462 Blind Flanges
  • ASME SB462 Blind Flange
  • UNS N08020 Blind Flange
  • WNR 2.4660 Blind Flange
  • Alloy 20 Grade Forged Flange
  • ASTM B462 Forged Flange
  • ASME SB462 Forged Flange
  • UNS N08020 Forged Flange
  • WNR 2.4660 Forged Flange


We Sumit Impex Ensure the best quality of Packing , because its play important role especially in a case of international shipments in which consignment pass through various channels to reach the ultimate destination, so we put extraordinary concern regarding packaging.

We pack our goods in numerous ways based on the products. We pack our products in multiple ways, such as,

  • Boxes and Crates
  • Shrink-wrapped
  • Carton boxes
  • Wooden pallets
  • Wooden boxes
  • Wooden crates

Testings (Destructive, Non Destructive)

  • Mechanical Testing Such as Tensile, Elongation, Reduction of Area
  • Sulfide Stress Corrosion Cracking (SSC), NACE TM 0177
  • Hydrogen-Induced Cracking (HIC) Test, NACE TM0284
  • Positive Material Identification – PMI Testing
  • Chemical Analysis – Spectro Analysis
  • Intergranular Corrosion (IGC) Test
  • Pitting Resistance Test
  • Dye Penetrant Test (DP Test)
  • Micro Test
  • Macro Test
  • Hardness Test
  • Flaring Test
  • Flattening Test
  • Hydrostatic Test
  • Radiography Test
  • Ultra Sonic Test (UT)
  • Eddy Current Testing
  • Impact Test
  • Bend Test

Application Industries

These material are not a single material but the name for a family of corrosion resistant steels. Like many scientific breakthrough the origins of stainless steel lies in a lucky accident. From the smallest part of zipper to the largest building skyscraper, stainless steel is an essential part of modern life.Stainless steel’s strength, resistance to corrosion and low maintenance make it the ideal material for a wide range of applications. It is also has a long life cycle and is 100% recyclable.

  • Construction
  • Bridges
  • Petrochemical Industry
  • Ship Building
  • Engineering
  • General Structural Purposes
  • Offshore and Onshore Services

Alloy 20 Flanges Manufacturers

Country we serve / City we deliver

Spain, Trinidad & Tobago, South Africa, Costa Rica, Netherlands, Colombia, Tibet, Afghanistan, Greece, Mongolia, Austria, United Arab Emirates, Angola, India, Jordan, Chile, Mexico, Namibia, Japan, Israel, Macau, Argentina, Ghana, Kuwait, Ecuador, Switzerland, Nigeria, Ukraine, Bulgaria, Poland, South Korea, Chile, United States, Hungary, Bhutan, Norway, Kazakhstan, Belarus, Czech Republic, Morocco, Italy, Denmark, Venezuela, Lebanon, Zimbabwe, Belgium, Slovakia, Yemen, Puerto Rico, Algeria,Sri Lanka, New Zealand, Libya, Iraq, Nepal, Romania, Egypt, Ireland, Kenya, Saudi Arabia, Russia, Indonesia, Singapore, Hong Kong, Peru, Qatar, Azerbaijan, Bahrain, Germany, Australia, United Kingdom, Pakistan, Serbia, Gabon, Taiwan, Iran, Thailand, Oman, Vietnam, Lithuania, Portugal, Finland,Tunisia, Gambia, Brazil, Bangladesh, Turkey, Malaysia, Croatia, France, Sweden, Estonia, China, Philippines, Canada, Bolivia, Nigeria

& Boston, Moscow, Toronto, Geoje-si, Karachi, Istanbul, Courbevoie, Milan, Chiyoda, Thane, Aberdeen, Brisbane, Lagos, Lahore, Vung Tau, Faridabad, Ho Chi Minh City, Colombo, Santiago, Jaipur, Jeddah, Ludhiana, Doha, Haryana, Vadodara, Atyrau, Petaling Jaya, Ahvaz, Ernakulam, Gimhae-si, Surat, Sydney, Bengaluru, Mexico City, Ulsan, Madrid, Bangkok, Pimpri-Chinchwad, Thiruvananthapuram, New York, Bhopal, Howrah, Coimbatore, Chennai, Edmonton, Los Angeles, Rajkot, Mumbai, Sharjah, Cairo, Seoul, London, Jakarta, Abu Dhabi, Dammam, Nashik, Dubai, Hyderabad, Houston, Manama, Calgary, Granada, Rio de Janeiro, Navi Mumbai, Al Khobar,Kanpur, Hong Kong, Nagpur, Port-of-Spain, Ankara, Baroda, Algiers, Ahmedabad, Perth, Gurgaon, Singapore, Busan, Montreal, Al Jubail, Secunderabad, Ranchi, Jamshedpur, New Delhi, Tehran, Kolkata, Caracas, Melbourne, Kuwait City, Dallas, Pune, Muscat, Noida, Indore, Hanoi, Chandigarh, La Victoria, Kuala Lumpur, Bogota, Visakhapatnam

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