ASTM B462 Alloy 20 Slip On Flanges, Alloy Werkstoff Nr 2.4660 Paddle Spacer Flanges, Neck Flanges Exporter, Alloy UNS N08020 Ring Joint Flanges, Awwa Flanges, Body Flanges Supplier.

Amco Metals an ISO 9001: 2015 certified company, that offer variation, quality and assistance inculcated into a durable product line that guarantees excellence. We, at Amco, have built a range of premium products and services that we provide to various industries. We give utmost preference to our customers and look after complete product satisfaction.

We are a manufacturer, trader, stockist, supplier and exporter of ASTM B462 Alloy 20 Flanges that are not only compatible for sulphuric acid related industries but also to any industry dealing with a host of toxic acids. We dispense our chloride stress corrosion cracking UNS N08020 Threaded Flanges to the chemical and dye producing companies; besides these are known for their weldability.

We offer W.Nr. 2.4660  Tongue & Groove Flanges to the pharmaceutical, food processing, petroleum industry and to connect valves and heat exchangers; these flanges have a low carbide precipitation and excellent mechanical composition, also intact at higher temperatures.

We carefully design our products in regards to the ongoing market trends and demands. Our products offer 100% durability.

ANSI B16.47 Series A & B Flanges, Alloy 20 Blind Flanges Manufacturer, Threaded Flanges, Spectacle Blind Flanges Supplier.

Lap Joint Flanges
Alloy 20 Lap Joint Flanges
Alloy 20 Lap Joint Flanges
Blind Flanges
Alloy 20 Blind Flanges
Alloy 20 Blind Flanges
Weld Neck Flanges
Alloy 20 Weld Neck Flanges
Alloy 20 Weld Neck Flanges

ASTM B462 Inconel Flanges Specification

Specifications : ASTM B462 / ASTM SB 564

Dimensions : ANSI B16.5, ANSI B16.47 Series A & B, MSS SP44, ASA, API-605, AWWA, Custom Drawings

Size : ½” to 36″

Pressure Ratings :150#, 300#, 600#, 900#, 1500#, 2500#, PN6, PN10, PN16, PN25, PN40, PN64

Flange Face Type : Flate Face (FF), Raised Face (RF), Ring Type Joint (RTJ)

Standards : ASTM, ASME Flanges, ANSI Flanges, DIN Flanges, EN Flanges, BS Flanges etc.

Equivalent Grade

Alloy 20 2.4660 N08020 Z2NCUD31-20AZ NiCr20CuMo


Alloy 20 Flanges Chemical Composition

Grade  Ni Fe C Mn Si Cu Cr Mo S P Nb
Alloy 20 32 - 38 Bal 0.02 max 1 - 2 0.7 max 3 - 4 19 - 21 2 - 3 0.005 max 0.02 max> 0.1 - 0.3


Mechanical Properties

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 %



Applications Industry
  • Pharmaceutical Equipment
  • Chemical Equipment
  • Sea Water Equipment
  • Heat Exchangers
  • Condensers
  • Pulp and Paper Industry
  • Off-Shore Oil Drilling Companies
  • Power Generation
  • Petrochemicals
  • Gas Processing
  • Specialty Chemicals
  • Pharmaceuticals


Our Main Export Countries

  •   ASIA - Thailand, Singapore, Sri lanka, Bangladesh
  •   Middle East - Kuwait, Dubai, Saudi Arabia, Qatar, Oman, Bahrain, Jordan
  •   Europe - United Kingdom, Italy, Belgium, France, Croatia, Spain
  •   South America - Argentina, Chile, Brazil, Colombia, Paraguay
  •   Africa - Ghana, South Africa


Other Types Of ALLOY 20 FLANGES
Alloy 20 Flanges Alloy 20 Flanges
Alloy 20 RTJ Flanges Stock Holder Alloy ASTM B462 Forged Flanges
Alloy 20 Loose Flanges Alloy 20 Screwed Flanges Exporter
Alloy 20 BLRF Flanges Alloy 20 Plate Flanges Exporter
ANSI B16.5 Alloy 20 Threaded Flanges Stockist 625 Alloy Industrial Flanges Manufacturer
Alloy 20 20 Socket Weld Flanges Alloy 20 Flanges Supplier
Alloy UNS N08020 Pipe Fittings Alloy Werkstoff Nr. 2.4660 Buttweld Fittings
Alloy 20 Slip On Flanges Alloy 20 Weld Neck Flanges
Alloy 20 Long Weld Neck Flanges Alloy 20 Awwa Flanges
Alloy 20 Body Flanges Alloy 20 Blind Flanges
Alloy 20 Threaded Flanges Alloy 20 Paddle Blank Flanges
ASTM B462 Paddle Spacer Flanges Manufacturer Alloy 2.4660 Spectacle Blind Flanges
ANSI B16.5 Ring Joint Flanges ASTM, ASME Flanges


Countries we have exported our products to:

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


Cities we have supplied our products to:

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