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Duplex Steel Fasteners

Manufacturer of Duplex Stainless Steel Fasteners, UNS S31803 Bolts in India

The grade is F51 and the dimensions range according to DIN 931, 912, 975 and so on. The fasteners come with different configurations such as ASME B1.1 2A/3a and so on. The Duplex Stainless Steel Washers can withstand high pressure, high temperature and high wear and tear with good corrosion resistance properties. The products can be cold forged, hot forged, bar stock machined or bar stock milling. The Duplex Stainless Steel Bolts can range from M6 to M100 and the length can range 10mm to 1000mm. The material has high melting point of 1350 degree Celsius. The Duplex Steel Stud Bolt material has carbon, manganese, silicon, phosphorus, sulfur, chromium, molybdenum, nickel, nitrogen and iron. The minimum tensile strength is 800MPa and 550MPa minimum yield strength. There are different types such as the Duplex 2205 Threaded Rod which is used as connection between two components without two nuts. As a leading supplier of the fasteners, please feel free to contact us for more information on the different types such as the Alloy 2205 Screws and their pricing.

Duplex Steel 2205 Fasteners Material Specification Chart

View latest price & ready sizes of Duplex Stainless Steel Bolts Ex Mumbai, ASME SA 479 UNS S32205 Bolts, Duplex 2205 Screws Speciifcations

Specifications ASTM A479 & ASME SA479
Standard DIN, ASTM, BS and all International Standards
Length 3 to 200 MM
Duplex Steel Nut and Bolts Size M3 To M56
3/6" to 2"
Duplex Steel 2205 Machine Screws Size M1.6 To M12
Duplex Steel 2205 Washers Size M3 To M56
3/6" to 2"


2205 Duplex Bolts Chemical Composition Chart

Grade C Mn Si P S Cr Mo Ni N Fe
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

Mechanical Properties of S31803 Bolts

S31803 / S32205 Density Melting Point Yield Strength (0.2%Offset) Tensile Strength Elongation
7.8 g/cm3 1350 °C (2460 °F) Psi – 80000 , MPa – 550 Psi – 116000 , MPa – 800 15 %

Equivalent material of SA479 2205 Duplex Steel Heavy Hex Nuts

Duplex Common Name Related Specifications
Duplex Steel S31803/S32205 SAF 2205® 1.4462 S31803/S32205 F51/F60

Bolt Types

Nuts Types


Washer Type