Haihao Group Ships S31803 Super Duplex Steel Pipes to Singapore

Haihao Group has successfully completed the delivery of S31803 super duplex stainless steel pipes to a customer in Singapore. The supplied pipes feature a size of OD 324 mm × wall thickness 6.3 mm, manufactured with strict dimensional control to meet the project’s technical requirements.

S31803 duplex steel pipes are widely selected for applications where both high mechanical strength and excellent corrosion resistance are essential.

S31803 super duplex stainless steel pipes OD 324 x 6.3 mm manufactured by Haihao Group

Supplied Super Duplex Pipe Specification

• Product: Super Duplex Stainless Steel Pipe
• Material grade: UNS S31803
• Outside diameter: 324 mm
• Wall thickness: 6.3 mm
• Length: As per project requirement

This specification provides an optimal balance between pressure resistance and material efficiency, making it suitable for demanding service environments.

Material Advantages of S31803 Duplex Steel

S31803 super duplex stainless steel combines austenitic and ferritic microstructures, delivering superior performance compared to conventional austenitic stainless steels.

Key advantages include:

• High resistance to pitting and crevice corrosion
• Excellent stress corrosion cracking resistance
• Higher yield strength than standard stainless steel
• Good weldability with proper procedures

These properties make S31803 pipes especially suitable for offshore, marine, and industrial processing systems.

Typical Applications

S31803 super duplex steel pipes are commonly used in:

• Oil and gas processing systems
• Offshore and marine engineering
• Chemical and petrochemical plants
• Seawater and desalination facilities
• Industrial piping systems in corrosive environments

Quality Control and Inspection

Each pipe supplied by Haihao Group undergoes strict quality control procedures, including:

• Dimensional and wall thickness inspection
• Visual surface examination
• Material verification and traceability control
• Compliance checks with customer specifications

These steps ensure consistent quality and reliable performance in service.

Why Choose Haihao Group

Haihao Group has extensive experience supplying duplex and super duplex stainless steel pipes to international markets, including Southeast Asia.
With stable production capability and professional export support, we provide reliable piping solutions tailored to project requirements.