One of The Oldest Manufacturer & Stockist of Stainless Steel Fittings & Flanges, Alloy Steel Fittings & Flanges, Carbon Steel Fittings & Flanges Since 1987.

Duplex Steel UNS S31803 Flanges

UNS S31803 Duplex Steel Flanges, ASTM A182 Duplex Steel blind flanges, Duplex Steel Slip on flanges Suppliers in India.

Duplex Steel WNRF Flanges Exporter in Qatar, ANSI B16.5 Threaded Flanges Stock Holder, DIN 1.4462 RTJ Flanges Manufacturers.


Providing you the finest range of Duplex Steel UNS S31803 Flanges, Fitwel Industries LLP is a recognized exporter, manufacturer and supplier. Duplex Steel Flanges (UNS S31803) is widely used for propeller shafts, pump parts and piston rods. It can be used successfully as an alternative to standard stainless steel specifications where a higher strength and higher stress corrosion resistance is required. The grade also has yield strength, double that of conventional austenitic stainless steels.It displays properties and characteristic of both austenitic and ferritic stainless steels.

Duplex Steel Screwed Flanges Exporter in Saudi Arabia, Orifice Flanges Manufacturers, Reducing Flanges Exporter in Russia.

It is not generally suitable for use at temperatures above 300 Degree Celsius as it suffers from precipitation neither of brittle micro constituents, nor below -50 Degree Celsius because of its ductile-to-brittle-transition. We offer these products in made-to-order sizes and designs at market leading prices. We Export Duplex Steel UNS S31803 Flanges in Qatar, Kingdom Of Bahrain, Saudi Arabia, Indonesia, United States, Singapore, Malaysia, Turkey, UAE, Russia, Ukraine, South Africa, Australia, etc.

Specialist of Manufacturing Duplex Steel Groove & Tongue Flanges, Long Weld Neck Flanges Stockist, Duplex Steel Socket Weld Flanges.

ASTM A182 Duplex Steel UNS S31803 Flanges Specification :

Specification : ASTM A182 / ASME SA182 F51 / F52 / F53 / F54 / F55 / F57 / F59 / F60 / F61

Dimension : ANSI/ASME B16.5, B 16.47 Series A & B, B16.48, BS4504, BS 10, EN-1092, DIN, etc.

Standard : ANSI Flanges, ASME Flanges, BS Flanges, DIN Flanges, EN Flanges, etc.

Grade : UNS No. S31803

Size : 1/8" NB TO 24" NB

Class : 150#, 300#, 600#, 900#, 1500#, 2500#, PN6, PN10, PN16, PN25, PN40, PN64 etc.


STANDARD WERKSTOFF NR. UNS
Duplex Steel UNS S31803 1.4462 S31803

Grade C Mn Si P S Cr Ni MO N FE
Duplex Steel UNS S31803 0.030 max. 2.00 max. 1.00 max. 0.030 max. 0.020 max. 22.0 – 23.0 4.50 – 6.50 3.0 – 3.5 0.14 – 0.20 63.72 min.

Element Density (g/cm 3) Density (lb/in 3) Melting Point (°C) Melting Point (°F)
Duplex Steel UNS S31803 7.805 0.285 1420 – 1465 2588 – 2669

Leading Manufacturers of Duplex Steel UNS S31803 Flanges & Other Ready Inventory of Duplex Steel Flanges

We Manufacture a wide range of Duplex Steel UNS S31803 Flanges (ASTM A182 / ASME SA182), Duplex Steel Blind Flanges Exporter in India, Duplex Steel slip on flanges, ANSI B16.5 Duplex Steel Lap Joint Flanges, Duplex Steel UNS S31803 Threaded Flanges Stockholder, Duplex Steel UNS S31803 Screwed Flanges Dealers, Duplex Steel RTJ Flanges Distributors, UNS S31803 Duplex Steel Orifice Flanges in Saudi Arabia, Duplex Steel Groove & Tongue Flanges Suppliers, Duplex Steel DIN 1.4462 Flanges Exporter in Qatar, Duplex Steel Flanges Facing Type & Finish Flanges Stockist, Duplex Steel Ring Type Joint Flanges in United States, Duplex Steel Plate Flanges in Malaysia, Duplex Steel ASTM A182 Long Weld Neck Flanges, ASTM A182 Duplex Steel UNS S31803 Reducing Flanges, Manufacturer of Comprehensive Range UNS S31803 Duplex Steel Flanges, Duplex Steel WNRF Flanges in UAE, Duplex Steel Socket Weld Flanges, Duplex Steel Industrial Flanges are Available in Different Dimensions and Specifications. We are Leading Manufacturer of Duplex Steel UNS S31803 Flanges in INDIA.

We Are Supply Duplex Steel UNS S31803 Flanges For Various Application Industry Like :

Oil & Gas Industries

Petrochemical Industries

Engineering Industries

Chemical Industries

Sugar Industries

Power Generation Industries

Fertilizers Industries

Food Processing Industries

We are Experts in Exporting Duplex Steel UNS S31803 Flanges worldwide

We are Exporter of UNS S31803 Duplex Steel Flanges in Worldwide Such as Bulgaria, Finland, Hungary, Bangladesh, Lebanon, Venezuela, Afghanistan, Namibia, Tibet, Chile, Nigeria, Morocco, Australia, Chile, Malaysia, Poland, Pakistan, South Korea, Norway, Netherlands, Saudi Arabia, United States, Czech Republic, Slovakia, Ireland, Nigeria, Iran, Oman, Ghana, Thailand, Denmark, Sri Lanka, Mexico, Colombia, France, Gabon, China, Bhutan, Iraq, Greece, Serbia, Romania, Estonia, Trinidad & Tobago,Tunisia, Belarus, Taiwan, Bolivia, Azerbaijan, Philippines, Kazakhstan, Germany, Austria, Sweden, Mexico, Israel, New Zealand, Poland, Japan, Peru, Brazil, Vietnam, United Arab Emirates, Costa Rica, India, Singapore, Switzerland, Argentina, Qatar, Italy, Spain, Algeria, Canada, Nepal, Turkey, Iran, Libya, Egypt, Indonesia, Kenya, Russia, Bahrain, Lithuania, Angola, Gambia, Hong Kong, Belgium, Croatia, Portugal, Ukraine, Mongolia, Ecuador, Zimbabwe, Macau, South Africa, Kuwait, Yemen, Puerto Rico, Jordan, United Kingdom.

We are Supplier of UNS S31803 Duplex Steel Flanges in India

We are Suppliers of Duplex Steel UNS S31803 flanges in India Such as Muscat, Moscow, London, Jeddah, Madrid, Gurgaon, Chandigarh, Santiago, Mumbai, Aberdeen, Faridabad, Sydney, Cairo, Toronto, Ahvaz, Los Angeles, Al Jubail, Hong Kong, Ho Chi Minh City, Jakarta, Ulsan, Indore, New York, Kolkata, Montreal, Nagpur, Petaling Jaya, Surat, Dallas, Jaipur, Houston, Ludhiana, Sharjah, Singapore, Chiyoda, Algiers, Ankara, Kanpur, Doha, Edmonton, Lagos, Howrah, Colombo, Milan, Thane, Hanoi, Al Khobar, Vung Tau, Busan, Bogota, Calgary, Brisbane, Rajkot, Kuwait City, New Delhi, Bengaluru, Caracas, Bhopal, Kuala Lumpur, Atyrau, Noida, Ernakulam, Vadodara, Geoje-si, Riyadh, Chennai, Ahmedabad, Secunderabad, Coimbatore, Baroda, Mexico City, Karachi, Gimhae-si, Melbourne, Port-of-Spain, Granada, Seoul, Navi Mumbai, Jamshedpur, Dammam, Ranchi, Perth, Pune, Thiruvananthapuram, Rio de Janeiro, Pimpri-Chinchwad, Hyderabad, Bangkok, Haryana, Visakhapatnam, Nashik, Dubai, Tehran, Istanbul, Abu Dhabi, La Victoria, Lahore, Courbevoie, Manama.