Duplex UNS S31803 & UNS S32205 Fasteners, Duplex Bolts, Stud Bolts, Nuts, Screws, Washers & Threaded Rod Supplier in Mumbai, India
Unifit Metal Alloys manufactures and supplies Duplex UNS S31803 and UNS S32205 Fasteners for industrial applications requiring high strength along with dependable corrosion resistance. These duplex stainless steel fasteners are available in different sizes, dimensions, grades and configurations to suit various project and application requirements.
Duplex UNS S31803 Fasteners offer a balanced combination of austenitic and ferritic properties, providing good mechanical strength and resistance to corrosive conditions. The grade is particularly suitable for environments where chloride exposure can lead to pitting, crevice corrosion and stress corrosion cracking. UNS S32205 Fasteners, commonly associated with Duplex 2205, provide enhanced strength and corrosion resistance for more demanding service conditions.
Duplex UNS S31803 & UNS S32205 Fasteners, Bolts, Nuts, Studs, Screws, Washers & Threaded Rods Manufacturer and Supplier in Mumbai, India
Our product range includes Duplex S31803 Bolts, S31803 Nuts, S31803 Stud Bolts, S31803 Screws, S31803 Washers, S31803 Threaded Rods, S32205 Bolts, S32205 Nuts, S32205 Studs, S32205 Washers and S32205 Screws. We also supply hex bolts, heavy hex nuts, socket head cap screws, U-bolts, anchor bolts and other fastening products according to customer requirements.
The combination of chromium, nickel and molybdenum in these duplex grades contributes to their resistance against aggressive environments. UNS S31803 and UNS S32205 Fasteners provide good resistance to chloride-containing media and offer high mechanical strength, making them suitable for applications where conventional stainless steel fasteners may not provide the required performance. At Unifit Metal Alloys, fasteners can be supplied in standard dimensions as well as customized sizes based on drawings, thread specifications and application requirements. We focus on maintaining dimensional accuracy, suitable material selection and consistent product quality throughout the supply process.
Get the Best Quote for Duplex UNS S31803 & UNS S32205 Fasteners. We Stock Duplex S31803 & S32205 Bolts, Nuts, Studs, Screws, Washers and Threaded Rods in Various Sizes and Specifications. Contact Us Today for a Competitive Quote.
Duplex UNS S31803 And UNS S32205 Fasteners Specifications
| Specifications | ||||||||
|---|---|---|---|---|---|---|---|---|
| Standard | ASTM / ASME SA 790 | |||||||
| Size | M02 to M30 | |||||||
| Length | 3 mm To 200 mm | |||||||
| Grade | UNS NO. S 31803, S 32205 | |||||||
| Specification | IS, BS, ASTM | |||||||
| Type | Bolts, Nuts, Washers, Anchor Fasteners, Stud Bolts, Eye Bolt, Stud, Threaded Rod, Cotter Pin, Socket Screw, Fine Fasteners & Spares, Foundation Fasteners, etc. | |||||||
Duplex UNS S31803 And UNS S32205 Fasteners Chemical Properties
| Grade | 2205 (S31803) | 2205 (S32205) |
|---|---|---|
| C | 0.03 max | 0.03 max |
| Mn | 2.0 max | 2.0 max |
| Si | 1.0 max | 1.0 max |
| P | 0.03 max | 0.03 max |
| S | 0.02 max | 0.02 max |
| Cr | min: 21.0 max: 23.0 |
min: 22.0 max: 23.0 |
| Mo | min: 2.5 max: 3.5 |
min: 3.0 max: 3.5 |
| Ni | min: 4.5 max: 6.5 |
min: 4.5 max: 6.5 |
| N | min: 0.08 max: 0.20 |
min: 0.14 max: 0.20 |
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Mechanical Properties for Duplex UNS S31803 And UNS S32205 Fasteners
| Grade | UNS-S 31803 | UNS-S 32205 |
|---|---|---|
| Tensile Strength (MPa) min | 650-880 | 621 |
| Yield Strength 0.2% Proof (MPa) min | 448 | 448 |
| Elongation (% in 50mm) | 25 | 25 |
| Hardness Rockwell C (HR C) | 21 max |
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Duplex UNS S31803 And UNS S32205 Fasteners Application Industries
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