Duplex Steel UNS S31803 Welded Pipes

Duplex Steel UNS S31803 Welded Pipes are corrosion-resistant stainless steel pipes manufactured by forming duplex stainless steel plate, sheet, or strip into a cylindrical shape and joining the longitudinal edges through a controlled welding process. UNS S31803 is a widely used duplex stainless steel grade that combines the beneficial properties of austenitic and ferritic stainless steels, offering a balance of high mechanical strength, toughness and corrosion resistance.

The duplex microstructure of UNS S31803 provides good resistance to general corrosion, pitting, crevice corrosion and chloride-induced stress corrosion cracking. Compared with many conventional austenitic stainless steel grades, Duplex Steel UNS S31803 provides higher yield strength, making it suitable for applications where both structural strength and corrosion resistance are important.

Duplex Steel UNS S31803 Welded Pipes are used in oil and gas, chemical processing, petrochemical, marine, power generation, pulp and paper, water treatment and process industries. They can be supplied in different outside diameters, wall thicknesses, schedules and lengths according to applicable standards and project requirements.

Kamal Steels is a Duplex Steel UNS S31803 Welded Pipes Manufacturer and Exporter in India, supplying welded pipes for domestic and international industrial applications. The pipes can be supplied according to applicable ASTM and ASME specifications, with required testing, inspection, material certificates and export packaging based on customer requirements.

Kamal Steels manufactures and stocks Duplex Steel UNS S31803 Welded Pipes in accordance with ASTM, ASME, and international quality standards. Our welded pipes are produced using advanced forming and automatic welding processes to ensure excellent weld integrity, dimensional accuracy, and consistent performance in corrosive industrial environments.

The weight of Duplex Steel UNS S31803 Welded Pipes depends on the outside diameter, wall thickness, pipe schedule, and length. A pipe weight chart helps buyers estimate material requirements, transportation weight, and approximate quantities for industrial piping projects.

UNS S31803 Welded Pipe weight can vary according to the selected dimensions and applicable manufacturing tolerances. The following table provides approximate weights for commonly used pipe sizes and is intended as a general reference.

For an exact UNS S31803 Welded Pipe weight calculation, the outside diameter, wall thickness, schedule, and required length should be specified. Kamal Steels can provide weight details according to the required pipe dimensions and customer specifications.

Duplex Steel UNS S31803 Welded Pipes are available in a broad range of nominal sizes, outside diameters, wall thicknesses, and schedules. The required size is selected according to the operating pressure, temperature, fluid service, and piping design requirements of the application.

Kamal Steels supplies UNS S31803 Welded Pipes in standard and customized dimensions for process piping, pressure applications, chemical processing, oil and gas, marine, and other industrial services.

Custom outside diameters and wall thicknesses may also be available depending on manufacturing requirements, applicable standards, quantity, and project specifications.

ASTM A790 UNS S31803 Welded Pipes are duplex stainless steel pipes designed for applications requiring good corrosion resistance and high mechanical strength. ASTM A790 covers seamless and welded ferritic, austenitic, and duplex stainless steel pipe intended for general corrosive service.

UNS S31803 is a duplex stainless steel grade with a balanced austenitic and ferritic microstructure. The grade provides good resistance to pitting, crevice corrosion, and chloride-induced stress corrosion cracking, making it suitable for corrosive process environments and demanding industrial piping systems.

ASTM A790 UNS S31803 Welded Pipes are commonly used in oil and gas, chemical processing, petrochemical, marine, power generation, water treatment, and process industries. The pipes can be supplied in different sizes, wall thicknesses, schedules, and lengths according to project requirements.

Kamal Steels is a Duplex Steel UNS S31803 Welded Pipes Manufacturer and Exporter in India, supplying pipes in different sizes, schedules, wall thicknesses, and lengths. Pipes can be supplied with the required testing, inspection, material certificates, and documentation according to customer and project specifications.

Duplex Steel UNS S31803 is an austenitic-ferritic stainless steel grade commonly used for applications requiring higher strength and corrosion resistance. It is identified by different designations under international material standards. The exact equivalent designation should be confirmed against the applicable standard and project specification before ordering.

UNS S31803 is closely associated with Duplex 2205. UNS S32205 is the more compositionally controlled 2205 designation commonly specified in modern applications, so the required UNS grade should be clearly stated on the purchase specification.

• Excellent resistance to pitting and crevice corrosion.
• Outstanding resistance to chloride stress corrosion cracking.
• Balanced duplex microstructure for superior mechanical strength.
• Approximately twice the yield strength of conventional austenitic stainless steels.
• Excellent weld integrity and dimensional accuracy.
• Suitable for large-diameter industrial piping systems.
• Reliable performance in seawater and aggressive chemical environments.
• High resistance to corrosion fatigue and erosion.
• Excellent fabrication and welding characteristics.
• Cost-effective solution for process piping applications.
• Available in multiple sizes, schedules and custom lengths.
• Long service life with reduced maintenance requirements.

The optimized alloy composition of Duplex Steel UNS S31803 provides an excellent combination of corrosion resistance, weldability, and mechanical strength, making it suitable for demanding industrial applications.

Duplex Steel UNS S31803 Welded Pipes are used in applications where a combination of mechanical strength and resistance to corrosion is required. Their duplex microstructure provides good resistance to general corrosion, pitting, crevice corrosion, and chloride-induced stress corrosion cracking.

The welded construction allows UNS S31803 pipes to be manufactured in a wide range of diameters and wall thicknesses, making them suitable for both general process piping and larger-diameter industrial systems.

Duplex Steel UNS S31803 Welded Pipes are used across industries that require corrosion-resistant piping with higher mechanical strength. The grade is particularly useful in environments involving chlorides, process chemicals, seawater, and other corrosive fluids.

Kamal Steels is a Duplex Steel UNS S31803 Welded Pipes Manufacturer and Exporter in India, supplying welded pipes in required sizes, schedules, lengths and specifications for domestic and international industrial projects.