Alpha Overseas(AOS) is identified as a trader of Duplex Steel S31803 / S32205 Flanges, which is not generally suitable for use at temperatures below -50 Degree C because of its ductile-to-brittle-transition. This leads to reduced plate thicknesses of Duplex Steel S31803 Flanges being used in fabrications reducing the weight which is of particular significance in items such as storage tanks, structural applications such as bridges and pressure vessels. This amalgamation of properties in Duplex Steel S31803 Pipe Flanges can mean a number of compromises when compared through pure austenitic & ferritic grades. Duplex Stainless Steel UNS S31803 Flanges has lower thermal expansion and higher thermal conductivity than austenitic stainless steels. UNS S31803 Duplex Steel Flanges also demonstrates worthy fatigue strength, along with outstanding resistance to strain corrosion cracking, destruction, general corrosion, crack and pitting in unadorned environments. In the annealed condition, Duplex S32205 Flanges contains approximately 40-50 % ferrite. Duplex S32205 Pipe Flanges cannot be hardened by heat treatment but stronger surface strengths can be achieved by cold working.
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Duplex Stainless Steel UNS S32205 Flanges is not intended to be used at temperatures above 300 Degree C due to embrittlement. UNS S32205 Duplex Steel Flanges resists sulphide stress corrosion and chloride environments. Regarding cold workability in Duplex Steel 2205 Flanges, care is required as proof stress is high and elongation is low in comparison with Type 304. Common Applications of Duplex Steel 2205 Pipe Flanges include Chemical Processing, Transport and Storage.
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ASTM A182 / ASME SA182 Duplex Steel Flanges Specification :
Size : 1/8" NB TO 24" NB
Standards : ANSI Flanges, ASME Flanges, BS Flanges, DIN Flanges, EN Flanges, etc.
Dimensions : ANSI/ASME B16.5, B 16.47 Series A & B, B16.48, BS4504, BS 10, EN-1092, DIN, etc.
Type : Flate Face (FF), Raised Face (RF), Ring Type Joint (RTJ)
Form : Slip on Flanges – SORF, Weld neck Flanges – WNRF, Socket weld Flanges – SWRF, Blind Flanges – BLRF Lapped joint Flanges, Screwed Flanges, Long weld neck Flanges, Reducing Flanges, Spectacle Flanges, Ring joint Flanges
Grade : S31803 / S32205 A182 Gr F51 / F52 / F53 / F54 / F55 / F57 / F59 / F60 / F61
Class / Pressure : 150#, 300#, 600#, 900#, 1500#, 2500#, PN6, PN10, PN16, PN25, PN40, PN64 etc.
Thickness : SCH.10, 20, 30, 40, 80, 120, 160, STD, XS, XXS.
|S31803||0.030 max||2.00 max||1.00 max||0.030 max||0.020 max||22.0 – 23.0||3.0 – 3.5||4.50 – 6.50||0.14 – 0.20||63.72 min|
|S32205||0.030 max||2.00 max||1.00 max||0.030 max||0.020 max||21.0 – 23.0||2.50 - 3.50||4.50 – 6.50||0.8 – 0.20||63.54 min|
|Element||Density||Melting Point||Tensile Strength||Yield Strength (0.2%Offset)||Elongation|
|Duplex Steel S31803 / S32205||7.8 g/cm3||1350 °C (2460 °F)||Psi – 116000 , MPa – 800||Psi – 80000 , MPa – 550||15 %|
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We are Exporter of Duplex Steel S31803 / S32205 Flanges in Worldwide Such as India, Mexico, Greece, Canada, Trinidad & Tobago,Tunisia, Denmark, Romania, Philippines, Bhutan, Italy, Sweden, Pakistan, Libya, Tibet, Macau, Bolivia, South Africa, Venezuela, Switzerland, Bulgaria, Nigeria, Vietnam, Iraq, Kuwait, Azerbaijan, Zimbabwe, China, Gabon, Afghanistan, Portugal, United States, Hungary, Serbia, Chile, United Arab Emirates, Bangladesh, Czech Republic, South Korea, Taiwan, Mexico, Gambia, Lebanon, Finland, Iran, Indonesia, Puerto Rico, Lithuania, Germany, Algeria, Jordan, Russia, Angola, Estonia, Singapore, Malaysia, France, Bahrain, Iran, Chile, Japan, Morocco, Thailand, Oman, Poland, Mongolia, Ukraine, Austria, Argentina, Norway, Israel, Costa Rica, Kenya, Ghana, Nepal, Nigeria, Belgium, United Kingdom, Sri Lanka, New Zealand, Ecuador, Colombia, Netherlands, Spain, Yemen, Namibia, Peru, Brazil, Croatia, Qatar, Slovakia, Poland, Ireland, Saudi Arabia, Belarus, Hong Kong, Turkey, Australia, Egypt, Kazakhstan.
We are Suppliers of Duplex Steel S31803 / S32205 Flanges in India Such as Mumbai, Houston, Lagos, Brisbane, Chennai, Mexico City, Kolkata, Algiers, Gimhae-si, Nagpur, Atyrau, Melbourne, Bogota, Cairo, Doha, Santiago, Karachi, Ahmedabad, Caracas, Moscow, Madrid, La Victoria, Ulsan, Hanoi, Jamshedpur, Dubai, Busan, Noida, New York, Thiruvananthapuram, New Delhi, Ernakulam, Rio de Janeiro, Ankara, Ranchi, London, Surat, Los Angeles, Sharjah, Granada, Montreal, Singapore, Pune, Muscat, Abu Dhabi, Colombo, Pimpri-Chinchwad, Port-of-Spain, Chiyoda, Jeddah, Edmonton, Coimbatore, Bengaluru, Chandigarh, Jaipur, Calgary, Dallas, Perth, Vadodara, Geoje-si, Al Khobar, Visakhapatnam, Howrah, Tehran, Kuwait City, Faridabad, Bhopal, Ludhiana, Aberdeen, Ahvaz, Nashik, Haryana, Courbevoie, Istanbul, Milan, Manama, Lahore, Al Jubail, Navi Mumbai, Petaling Jaya, Hyderabad, Bangkok, Gurgaon, Vung Tau, Hong Kong, Secunderabad, Indore, Jakarta, Thane, Seoul, Kuala Lumpur, Riyadh, Rajkot, Sydney, Toronto, Dammam, Baroda, Ho Chi Minh City, Kanpur.