Suppliers and Manufacturer of Duplex Steel S31803 / S31803 Fasteners, which are extensively utilized in excessive stress usages. Duplex Steel UNS S32205 Nuts are typically used to fasten the last tiers of a piping machine and additionally to dam the float of drinks or gases. The fasteners are provided to the clients in different specifications such as surface finish, end finish, dimensions, shapes, sizes, length, and toughness. Duplex Steel UNS S31803 Nuts also offers users an array of benefits. There are super duplex, lean duplex and standard duplex grades in the Duplex Stainless Steel Fasteners, each with specific properties that suit different applications. It has features with easiness of touch to a piping machine, the instant it’s been clogged.
Alloy 1.4462 Bolts are being crafted from seamless pipe and tube via way of means of both a chilly or warm forming procedure. The austenitic formation of ASME SA479 UNS S31803 Fasteners as well offers these grades an outstanding durability, even down to cryogenic temp. Duplex 2205 Bolts is used in high temperature environments where scaling and corrosion resistance, as well as high temperature strength and good creep resistance are required. This heat resisting Grade S31803 Duplex Screws offers high resistance to oxidation scaling with high strength at elevated temperatures. The Duplex 2205 Studs are some of the most used in terms of material grade. This is a standard duplex grade and is economically efficient than most other duplex grades. The principal motive is equal as tee via the segregation of imparting shops which can be notably contradictory to every other.
S31803/S32205 Fasteners Specifications | ASTM A479 / ASME SA479 |
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Duplex Steel S31803/S32205 Fasteners Length | 3 mm to 200 mm |
Duplex Steel S31803/S32205 Studs, Bolts, Threads | UNF, BSW, BSF, METRIC, UNC, or as required |
S31803/S32205 Duplex Steel Fasteners 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 |
Form of Duplex Steel S31803/S32205 Fasteners | Hex, Threading, Square, Round as per Gauge Etc. |
Raw materials Source | JSPL, Mukund Steel, Tata Steel, Dhamm Steel, Usha Martin,etc. |
Threads Configuration | ASME B1.1 2A/3A – 2B/3B Inch Unified Threads and B1.13M 6h-6G Metric Coarse Threads |
Certification | Dual Certified As per ASTM & ASME Codes |
Dimensions | DIN 931, 933, 934, 7991, 976, 125, ASME B18.2.1, B18.3 |
Threads | Unless otherwise specified, the threads shall be rolled or cut and tapped horizontally or vertically |
Standard of Duplex Steel S31803/S32205 Fasteners | DIN : DIN 934, DIN 931, DIN 970, DIN 933 UTS : UNEF, NPT, UNC, UNS, UNF, NPTF ISO : JIS standards, ISO 4033, ISO 4032, ANSI – American National Standards Institute ASME B18.5 ANSI B 28.2.4 1M as per defined in ASME B16.5 standard Duplex Steel S31803/S32205 Stud Bolt length ANSI B 18.2.4 2M as per defined in ASME B18.2.2 Duplex Steel S31803/S32205 Hex nuts |
Surface Coating | Ptfe Coated Duplex Steel S31803/S32205 Fasteners Phosphate Coating Teflon Coating Zinc Coating Hot Dipped Galvanizing Coating Cadmium Coating Xylon Coating |
Test Certificate of Duplex Steel S31803/S32205 Bolting | as per EN 10204 / 3.1 Manufacturer Test Certificate |
Additional Certifications | PED 97/23/EC Certified, Merkblatt AD 2000 W2 Certified |
Production process | M24-M100: hot forging , M2-M24: Cold Froging, for custom-made connecting element machining and CNC |
Head drive of Duplex Steel S31803/S32205 Bolts | Six-Lobe,Phillips,Phillips/Slot, Slotted etc |
Packing of Duplex Steel S31803/S32205 Fasteners | IN BULK: canton, pallet, Small Boxs / carton / pallet, or customer request |
Duplex Steel S31803/S32205 Fasteners finishing | Duplex Steel : Self-Colour, Passivated, Bright Zinc Plated (BZP), Hot Dip Galvanised (HDG), Duplex Steel, Sherardized, some special one like DACROMET Geometry and Mechanically Applied coating ,Dacroment, nickel plated, anodizing, plated zinc-nickel Zinc (blue, black, yellow, white), black oxide, |
STANDARD | UNS | WERKSTOFF NR. |
Duplex 2205 | S31803 / S32205 | 1.4462 |
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 |
Element | Density | Melting Point | Yield Strength (0.2%Offset) | Tensile Strength | Elongation |
S31803 / S32205 | 7.8 g/cm3 | 1350 °C (2460 °F) | Psi – 80000 , MPa – 550 | Psi – 116000 , MPa – 800 | 15 % |