Home > Duplex Steel > Duplex Steel Tubes S31803
| Specifications | : | ASTM A789 ASME SA789 |
| Dimensions | : | ASTM, ASME and API |
| Tube Size | : | 1/2″NB TO 12 “NB IN |
| Specialized in | : | Large Diameter Size |
| Schedule | : | SCH20, SCH30, SCH40, STD, SCH80 |
| Type | : | Seamless / ERW / Welded / Fabricated |
| Form | : | Round, Hydraulic Etc |
| Length | : | Single Random, Double Random & Cut Length. |
| End | : | Plain End, Beveled End, Treaded |
| S31803 | 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 |
| S31803 | 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 % |
At Koasteel, we take pride in being the largest supplier and manufacturer in the New Zealand, delivering innovative solutions for all your piping requirements. With advanced production facilities 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 needs.
These Duplex Steel Tubes S31803 are supplied by us in accordance with DIN, ISO, JIS or ANSI Standard.
Water resistance: Duplex steel wires offer outstanding resistance to corrosion, particularly in harsh conditions like chloride-bearing water, acidic solutions, and seawater. This capability comes from the austenite and ferritic microstructures found in duplex stainless steel . . . .
Stress cracking resistance: Compared to austenitic stainless steel, duplex stainless steel tubes provide superior resistance to stress corrosion cracking, notably in chloride-rich settings. Because of this, they work well for offshore and marine uses within the functional area.
High durability: Duplex steel containers additionally maintain strong durability at low temperatures, making them appropriate for cryogenic settings or situations demanding impact resistance
Excellent weldability: With the right welding methods, Duplex stainless steel tubes can be welded with ease. This eases production and upkeep, cutting down on manufacturing and machining time.
High strength: Duplex steel tubes have greater strength than standard austenitic stainless steel. As a result, tube walls can be thinner, lowering weight and cost while preserving system integrity, which makes them well suited for applications where strength-to-weight ratios matter.
Duplex Steel Tubes S31803 have applications as varied as the industries they serve, driven mainly by the aerospace, railway, construction and automotive industries along with petrochemical, nuclear, medical, Oil & Gas, Chemical, Pharmaceutical, Food & Beverage, Nuclear, Thermal Power plants, Paper and Pulp, marine and mining, etc.
Materials:Learn about the characteristics of duplex stainless steel S31803. Duplex stainless steel offers enhanced corrosion resistance and strength when compared to conventional austenitic or ferritic stainless steel.
Size and Design: Identify the necessary size, thickness, and wall thickness of duplex steel tubes according to the application and design requirements. Take into account variables like pressure levels and the flow rates needed.
Technical Properties: Assess how S31803 duplex steel performs, covering its tensile strength, strength, and impact resistance. These characteristics matter for making sure the tubes can endure operating conditions.
Corrosion Resistance: S31803 Examine the corrosion resistance of duplex steel tubes under particular usage conditions. Track the presence of variables like temperature, pH, chloride levels, and other corrosive agents.
Function: Indicate the recommended application of double-sided steel pipes. Duplex steel S31803 is frequently applied in sectors like oil and gas, chemical processing, marine environments and desalination facilities owing to its corrosion resistance and mechanical properties.
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