Home > Duplex Steel >Duplex Steel Wire S31803
| Specifications | : | ASTM A276 ASME SA276 |
| Dimensions | : | ASTM, ASME |
| Thickness | : | 10mm to 100mm |
| Diameter | : | 100 mm To 6000 mm |
| Specialize | : | Wire, Filler Wire, Coil Wire |
| Grade | C | Mn | Si | P | S | Cr | Ni | Mo | N |
| S31803 | 0.03 max | 2.0 max | 1.0 max | 0.03 max | 0.010 max | 21.0 – 23.0 | 4.5- 6.5 | 2.5 – 3.5 | 0.08 – 0.20 |
| S32205 | 0.03 max | 2.0 max | 1.0 max | 0.03 max | 0.010 max | 22.0 – 23.0 | 4.5- 6.5 | 3.0 – 3.5 | 0.14 – 0.20 |
| Grades | Density (g/cm 3) | Density (lb/in 3) | Melting Point (°C) | Melting Point (°F) |
| S31803 / S32205 | 7.805 | 0.285 | 1420 – 1465 | 2588 – 2669 |
At Koasteel, we take pride in being the largest supplier and manufacturer in the New Zealand, delivering advanced solutions for every one of your piping requirements. With cutting-edge production plants strategically situated in the New Zealand, we maintain an extensive inventory of more than 25,000 tons of top-quality materials kept ready in stock.
Reach out to us for a fast quote tailored to your requirement.
We supply these Duplex Steel Wire S31803 conforming to DIN, ISO, JIS or ANSI Standard.
Corrosion resistance:Duplex steel S31803 offers outstanding resistance to corrosion, particularly in aggressive settings that contain chlorides and sulphides. This quality makes it well-suited for marine, chemical, and corrosion-generating petrochemical industries where such concerns are significant.
High Strength:Compared to austenitic stainless steels, these steels possess greater strength, which makes them appropriate for applications that demand rigorous design.
Excellent weldability:Duplex steel S31803 demonstrates outstanding weldability, which eases the manufacturing and fabrication of a wide range of products and systems.
Excellent fatigue resistance:This material delivers superb fatigue resistance, a key trait for materials subjected to ongoing load or repeated stress cycles.
Cost-effectiveness:Even with its high quality, duplex steel S31803 can prove more economical than certain other corrosion-resistant options, achieving a balance between performance and cost.
Duplex Steel Wire S31803 uses are as varied as the sectors they support, led chiefly by the aerospace, railway, construction and automotive fields along with petrochemical, nuclear, medical, Oil & Gas, Chemical, Pharmaceutical, Food & Beverage, Nuclear, Thermal Power plants, Paper and Pulp, marine and mining, etc.
Chemical applications: Duplex steel wire S31803 is frequently applied in chemical facilities operating in demanding conditions like acids, alkalis and salts. It withstands stress corrosion cracking and chloride-driven corrosion, which makes it appropriate for chemical storage tanks, pipeline systems and reactor operations.
Desalination plants: Duplex steel S31803 serves to resist corrosion in sea water and to endure high-pressure conditions. It finds use in heat exchangers, piping systems and pumps.
Pulp and Paper Industry: Duplex steel wire S31803 is the favored choice for equipment such as digesters, washing machines, tanks and other equipment in the pulp and paper industry where the processing demands corrosive chemicals and high temperatures use the right
Marine Applications: Owing to its resistance to corrosion in seawater and chloride environments, duplex steel S31803 is widely applied in marine settings such as shipbuilding, offshore structures, and marine equipment, e.g propeller shafts, pumps and valves
Oil and Gas Industry: Within the oil and gas sector, duplex steel wire S31803 is employed on offshore platforms, pipelines and equipment in severe environments, including high-stress and high corrosion conditions. Its corrosion resistance and high strength make it well suited for such applications, particularly in environments where conventional carbon steel or stainless steel might fail
Understand the application: Identify the reason you require duplex steel wire. Whether the need is architectural, corrosion resistance, high-temperature resistance, or other particular requirements, knowing the application will direct your selection
Weldability: Weldability matters in many uses of duplex steel wire. Confirm that suitable welding methods can readily be applied to weld the wire without harming its mechanical properties or corrosion resistance.
Corrosion resistance: Duplex steel is recognized for its outstanding corrosion resistance, particularly in chloride environments. Assess the wire’s resistance to pitting, crack corrosion, and stress corrosion cracking, which are frequent concerns across many applications.
Mechanical properties: Take into account the mechanical properties that matter to your application, such as tensile strength, yield strength, propagation, and shock resistance. These properties dictate how the wire performs under various conditions and loads.
Chemical composition: Duplex steel S31803 features a balance of chromium, molybdenum and nickel along with substantial amounts of ferrite and austenite phases. Confirm that the chemical composition satisfies your application needs, such as corrosion resistance, strength and weldability.
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