
Dalloyed Works is a leading manufacturer, supplier, and exporter of best quality Duplex 31803 (F51) Washers. We are offering a range of washers in various dimensions, shapes, and sizes. We are also customizing them as per the demand of the client. Duplex stainless steel are incredibly hardenable alloys. It has excellent resistance to localized corrosion, including intergranular, pitting, and crevice corrosion. Their two-phase structure consists of a mixture of austenite and ferrite phases. Hence, duplex stainless steels display properties characteristic of both austenitic and ferritic stainless steel.
Duplex steel is chemically composed of Carbon, manganese, silicon, and many more metals. Duplex steel are in most cases, more robust than ferritic stainless steel. The Strengths of Duplex 31803 washers is double as compared to other machines. These Washers are mostly applicable in Chemicals, petrochemicals, Power Generation, Marine, and food processing industries. The washers we are designing are according to international standards.
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We offer these washers in various dimensions. It comes with added features such as good machinability, excellent durability and are readily fabricable. Our products are well known for its impeccable features. Due to less amount of Carbon, these Duplex F51 Washers are easily wieldable. These washers are high in demand due to its robust construction and super finish. Dalloyed works is well equipped with all the latest technology tools and machinery that helps to boost our production process. With the help of the latest technology, we are producing an extensive range of quality products. We focus on using the high quality of raw materials which is procured from certified mills.
This material is tested for ensuring quality before used for the manufacturing process. We have a unique quality control department that controls and check the quality of products throughout the manufacturing process. We have set quality standards that we follow throughout the manufacturing process. The manufactured Duplex F51 Washers undergo several destructive and non-destructive tests to ensure the best quality. The offered Duplex F51 Washers are available at reasonable prices. We use suitable packaging material for covering these well-tested Duplex 31803 Washers to ensure damage-free delivery at the client's locations.
Duplex Steel S31803 Washers Specifications | ASTM A479, ASME SA479 |
Standard of Duplex Steel S31803 Washers | DIN, ASTM, BS and all International Standards |
F51 Duplex Steel Washers Length | 3 mm to 200 mm |
S31803 Duplex Steel Washers Size | M3 - M56 | 3/6" to 2" | Custom Sizes |
Duplex Steel Grades | Duplex S31803 |
Duplex Steel S31803 (F51) Washers Type | Plain Washer, Spring Washer, Tooth Washer, Tapper Washer, Tab Washer, Star Washer, Square dock washer, Spherical washer, USS flat washers, SAE flat washers, Bonded sealing washers, Lock washers external tooth, Lock washers internal tooth, Structural washers F436, Fender washer, Lock washers, spring lock washer, High collar lock washer, Finishing washers, Dock washers, Belleville washers, Wave washers. |
STANDARD | UNS | WERKSTOFF NR. |
---|---|---|
ASTM A479/ A182 F51 | S31803 | 1.4462 |
ASME B18.21.1 | Lock Washers | ASME B18.13 | Washer Assemblies (Sems) |
ASME B18.23.1 | Beveled Washers | ASME B18.22.1 | Plain Washers |
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 |
Grade | Density | Melting Point | Tensile Strength | Yield Strength (0.2%Offset) | Elongation |
---|---|---|---|---|---|
S31803 | 7.8 g/cm3 | 1350 °C (2460 °F) | Psi – 116000 , MPa – 800 | Psi – 80000 , MPa – 550 | 15 % |
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