Alpha Overseas(AOS) is identified as a stockist of Duplex Steel S31803 / S32205 Fasteners, which is not generally suitable for use at temperatures above 300 Degree C as it suffers from precipitation of brittle micro constituents. Duplex Steel S31803 Fasteners has higher strength which is around twice that of Type 304 austenitic stainless steel. As a result, Duplex Stainless Steel UNS S31803 Fasteners display properties characteristic of both austenitic and ferritic stainless steels. UNS S31803 Duplex Steel Fasteners has High strength, Good sulphide stress corrosion resistance, and Excellent impact toughness. Duplex Steel S32205 Fasteners is the most widely used duplex stainless steel grade, which is characterized by high yield strength. The structure of Duplex Stainless Steel UNS S32205 Fasteners consists of austenite pools surrounded by a continuous ferrite phase. UNS S32205 Duplex Steel Fasteners is generally supplied in the annealed condition giving yield strengths. The high yield strength of Duplex Steel S31803 Nuts is double that of the standard austenitic stainless steel grades. Duplex Steel S32205 Nuts is widely used in oil & gas, pressure vessels, hydro power, pulp & paper, chemical tankers and structural components.
Duplex Steel S31803 Bolts is a duplex stainless steel whose design enables combining improved resistance to pitting, stress corrosion, high strength, cracking and crevice corrosion. However, Duplex Steel S32205 Bolts shows rapid increase in the strength below 900 Degree C. It Duplex Steel S31803 Washers maintains good weldability in their thickest sections. Duplex S32205 Washers are much more resistant to stress corrosion cracking than standard austenitic steels.
Our products are made from superior quality Raw Material and are available in Customized Designs to suit different requirements of the clients. Our contemporary technology and constant efforts to acquire new skills to enhance production is the secret of our success and impeccable quality.
ASTM A479 / ASME SA479 Duplex Steel Fasteners Specification :
Size : M02 to M30
Standards : DIN, ASTM, BS and all International Standards
Specification : ASTM A479 / ASME SA479, F51, F60
Length : 3 mm to 200 mm
Form : Bolts, nuts, Washers, Anchor Fasteners, Stud Bolts, Eye Bolt, Stud, Threaded Rod, Cotter Pin, Socket Screw, Fine Fasteners & Spares, Foundation Fasteners, etc.
Grade : UNS NO. S 31803, S 32205, S 32550, S 32750
|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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ASIA : UAE , SAUDHI ARABIA , OMAN , KUWAIT , BHARAIN , QATAR , JORADAN , ISRAEL , SRILANKA , MALAYSIA , SINGAPORE , BRUNEI, INDONESIA , PHILIPPINES , RUSSIA , TURKEY .
AFRICA : EGYPT , TANZANIA , SOUTH AFRICA , MOROCCO , ALGERIA , TUNISIA . EUROPE : FRANCE , SPAIN , ITALY , CROATIA , AUSTRIA ,SLOVAKIA , NETHERLAND , CZECHIA , PLOAND , GERMANY , BELGIUM , ALBANIA , SLOVENIA .
We are Exporter of Duplex Steel S31803 / S32205 Fasteners 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 Fasteners 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.