Both S31803 & S32205 are commonly referred as Duplex 2205. Both Grades are precisely Manufactured & Stocked by us. Hex Head Bolts,Stud Bolts,Socket Head Products,Hex Nuts, Flat Washers in Duplex Grade UNS S31803 Steel Fasteners are speciality of TorqBolt.. We can provide Coarse/Fine/Extra Fine with Full Threads/Half Threads configuration UNC/UNF/BSW Threading type. We have ready stock material in Duplex Steel S31803 Hex Bolts/Hex Nut & Flat Washer. We Offer Hex Bolts, Nuts as per DIN/ISO/IS/EN/ASTM & ASME Standards.
Duplex 2205 is a two-phase, ferritic, austenitic 22% chromium, 3% molybdenum, 5 to 6% nickel alloyed stainless steel. It is the most widely used duplex stainless steel grade and is characterized by high yield strength, double that of the standard austenitic stainless steel grades. It also demonstrates good fatigue strength, as well as outstanding resistance to stress corrosion cracking, crevice, pitting, erosion, and general corrosion in severe environments. Due to its high chromium, molybdenum, and nitrogen content, Duplex 2205 demonstrates superior corrosion resistant properties to 316 and 316L in most environments. Chromium, molybdenum, and nitrogen content also provide high resistance to pitting and crevice corrosion, even in oxidizing and acidic solutions
Specification :
| Specification | ASTM B 166 / ASME SB 166 |
| Dimensions | ASTM, ASME and API |
| Size | 5 mm To 500 mm Dia in 100 mm TO 6000 mm Length available with NACE MR 01-75. |
| Length | 100 mm To 3000 mm Long & Above |
| Finish | Black, Bright Polished, Rough Turned, NO.4 Finish, Matt Finish, BA Finish |
| Form | Round, Square, Hex (A/F), Rectangle, Wire (Coil Form), Wire-mesh, Billet, Ingot, Forging Etc |
| Test Certificates | EN 10204/3.1B |
| Raw Materials Certificate | |
| 100% Radiography Test Report | |
| Third Party Inspection Report, etc | |
| Origin & Mills | Japanese, Indian, USA, Korean, European, Ukraine, Russian |
Duplex Steel S31803 Fasteners Equivalent Grades
| STANDARD | UNS | WERKSTOFF NR. |
| Duplex S31803 | S31803 | 1.4462 |
| Duplex S32205 | S32205 | 1.4462 |
Duplex Steel S31803 Fasteners Chemical Composition
| S31803 / S32205 | C | N | P | Si | Mn | Mo | Fe | Cr | S | Ni |
| 1.0 | 0.03 | 0.02 | 2.0 | 3.0 – 3.5 | 22.0 – 23.0 | 0.03 | 4.5 – 6.5 | 0.14 – 0.2 | Bal |
Duplex Steel S31803 Fasteners Mechanical Properties
| 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 % |
Types of Fasteners Available
Hex Bolts
Anchor Bolts
Stud Bolts
Washers
Nuts
U Bolts
Threaded Bar
Screws
Fastener Applications Industries
ASME B16.9 Degree Forged are known to deliver exceptional performance and are generally developed for meeting the demands. We offer a broad range of Socket Weld Fittings Degree Forged through a worldwide network of stock-keeping branches. Socket Weld Forged is use in various industries like :
- Fastener uses in Paper & Pulp Companies
- Stainless Steel Fastener uses in Oil and Gas Industry
- Fastener Pipe Forged uses in Chemical Refinery
- Alloy Steel Threaded Elbowuses in Pipeline
- Fastener Pipe Forged uses in High Temperature Application
- Fastener uses in Water Pipe Line
- ANSI B16.9 Socket Weld Fittings Pipe Forged can be used in Nuclear power plants
- Fastener usefule for High Pressure Applications
- Fastener Long Radius Forged uses in Fabrication and welding Job
- Fastener uses in Food Processing and Dairy Industries
- Fastener Short Radius Forged uses in boiler & heatexchangers
Marking & Packing
Our Nickel Alloy 2.4066 round bars are packaged to ensure that there is no damage during transit. In case of exports, standard export packaging is done in wooden cases. All Nickel Alloy UNS N02200 bar are marked with Grade, Lot No, Size and our trade mark. We can also make custom marking on our products on Special request from Purchaser.
Quality Assurance
Triton Alloys Inc all Nickel Alloy 200 round bars, Nickel Alloy 200 bright bars and Nickel 200 hex bars are subject to strict inspection at each stage starting from material purchasing to product dispatch. They are visually examined for conformity to ASTM, ASME, DIN, EN, and JIS codes and standards. We can also appoint official certified Inspection Agencies upon request of our clients so that they can witness the material reports, dimensions and quality conformity of products.
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