Duplex Steel S31803 Fasteners have high demand in a variety of industries for its high mechanical properties, high corrosion resistant, and high strength. High-quality Duplex Steel S31803 Fasteners, produced, supplied, exported, and imported by renowned producer, supplier, exporter, and importer, Pratik Pipe & Fittings, serve requirements of a variety of industries including chemical, oil and gas, power, marine, and food processing industries.
Duplex Steel S31803, also referred to as UNS S31803, is a combination of both ferritic and austenitic stainless steel, providing an ideal mix between ductility and durability. With its unique structure, it holds a high level of crevice corrosion, pitting, and stress corrosion cracking resistance, common in industries working in extreme environments. With a high moly and high-chromium level, Duplex Steel S31803 holds high corrosion resistance, and for that reason, it is an ideal choice for a range of applications.
As Duplex Steel S31803 Fasteners manufacturers, Pratik Pipe & Fittings have high-performance items according to international standards and buyers' specifications. All rounds are checked for uniformity in dimensions, surface, and overall quality through careful tests at dispatch stage. With state-of-the-art technology and state-of-the-art techniques, Pratik Pipe & Fittings produce Duplex Steel S31803 Fasteners with high mechanical properties including high tensile, satisfactory weldability, and high fat and crack resistance.
To explore in detail about Duplex Steel S31803 Fasteners and how Pratik Pipe & Fittings can cater your material needs, contact us today. Our experienced professionals will stand ready to present your best alternatives for your industrial requirements. Never ever hesitate to contact for inquiry or request a price for your future work.
| Specifications | ASTM A479 / ASME SA479 | 
|---|---|
| Dimensions | DIN 931, 933, 934, 7991, 976, 125, ASME B18.2.1, B18.3 | 
| Size | Bolt / Screw Size : M3 – M56 | 3/6″ to 2″ | Custom Sizes Nuts Size : M3 – M56 | 3/6″ to 2″ | Custom Sizes Washers Size : M3 – M56 | 3/6″ to 2″ | Custom Sizes Machine Screws Size : M1.6 – M12 Self Tapping Screw Size : No.2 – No. 14 | 
| Length | 3 mm to 200 mm | 
| Threads | UNF, BSW, BSF, METRIC, UNC, or as required | 
| Surface Coating | Ptfe Coating Phosphate Coating Teflon Coating Zinc Coating Hot Dipped Galvanizing Coating Cadmium Coating Xylon Coating | 
| Grades | Density (g/cm 3) | Density (lb/in 3) | Melting Point (°C) | Melting Point (°F) | 
|---|---|---|---|---|
| S31803 | 7.8 | 0.281 | 1350 | 2460 | 
| 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 | 21.0 – 23.0 | 2.50 - 3.50 | 4.50 – 6.50 | 0.8 – 0.20 | 63.54 min | 
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