Duplex Steel S31803 Fasteners

Sankalp Alloys Overseas is one of the renowned manufacturers, suppliers, stockists, and exporters of Duplex UNS S31803 Fasteners. We believe in providing high-quality products to our customers at the most genuine prices, in order to fulfill every need and expectation of our customers. Provided good-quality raw materials, which are sourced from reputed vendors in the industry, today, we are ready to move to the manufacturing process. We apply the use of advanced machinery and technology along with strict quality control in the production of fasteners to the level of international standards.

S31803 Duplex Stainless Steel Fasteners are characterized by the dual-phase structure of austenitic-ferritic with well-measured inclusions of molybdenum, nickel, and chromium in well-measured ratios. Duplex alloys offer excellent resistance to fatigue and have very high yield strength because of the advantageous characteristics achieved by fusing together the properties of ferritic and austenitic stainless steels. In addition, these fasteners afford the best resistance to crevice corrosion, stress corrosion cracking, and even pitting corrosion under severe conditions, including those of a chloride and sulfide stress corrosion environment.

Our Duplex S31803 Fasteners are well-machined through the use of good tooling features, which may include either high-speed or carbide tooling. They are hot-worked when exposed to a temperature ranging between 954 and 1149 degrees Celsius, and cold work offered conventionally in suitable conditions to the prescribed specification. At Sankalp Alloys Overseas, we work hard to provide the clients with the best possible quality of Duplex Steel S31803 Fasteners, which have the ability to demonstrate robust performances. In doing so, we are reckoned Manufacturer, Supplier, Stockist, and Exporter that make sure the quality and precision of the fasteners be inviolate regarding all potential industrial applications.

Equivalent Grades

STANDARD UNS WNR.
Duplex Steel 2205 S31803 / S32205 1.4462

Chemical Properties

Grade Common Name C% Mn% Si% P% S% Cr% Ni% Mo% N%
2205 S31803 0.030 2.00 1.00 0.030 0.020 21.0-23.0 4.5-6.5 2.5-3.5 0.08-0.20
S32205 0.030 2.00 1.00 0.030 0.020 22.0-23.0 4.5-6.5 3.0-3.5 0.14-0.20

Mechanical Properties

Property Value
Tensile Strength, ksi 90 min
0.2% Yield Strength, ksi 65 min
Elongation, % 25 min
Hardness [HRC] 293 max

Physical Properties

Temperature Density lbm/in3 Electrical Resistivity mW•in Thermal Conductivity (BTU/hr•ft•°F) Heat Capacity BTU/lbm•°F Electrical Resistivity (in x 10-6)
at 68°F 0.278 27.6 8.7 0.112 33.5
at 212°F 26.1 9.2 0.119 35.4
at 392°F 25.4 9.8 0.127 37.4
at 572°F 24.9 10.4 0.134 39.4

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