Haihao Group has successfully completed the delivery of super duplex seamless stainless steel pipes to a customer in Singapore. The products were manufactured in accordance with ASTM A790 and relevant ASME dimensional standards, ensuring excellent performance in corrosive and high-pressure service environments.
This shipment reflects Haihao Group’s strong capability in supplying high-quality super duplex stainless steel piping solutions for international industrial and energy projects.
ASTM A790 UNS S32750 super duplex seamless stainless steel pipes SCH 80S
Product Details of the Supplied Seamless Pipes
The delivered products include precision-manufactured seamless pipes with the following specifications:
- Product Type: Seamless Stainless Steel Pipe (SMLS)
- Nominal Size: 1 inch
- Wall Thickness: SCH 80S
- Length: 6 meters per piece
- Pipe Ends: Plain end (PE)
- Standard: ASME B36.10M / ASME B36.19M
- Material: ASTM A790 UNS S32750 (Super Duplex Stainless Steel)
- Packaging: Pipe end caps, wooden case packing for export protection
The pipes were supplied in fixed lengths with protective end caps, ensuring safety during transportation and storage.
Material Advantages: ASTM A790 UNS S32750
The selected material, ASTM A790 UNS S32750, is a widely used super duplex stainless steel known for its balanced austenitic–ferritic microstructure. It offers:
- Excellent resistance to pitting and crevice corrosion
- High mechanical strength compared with standard austenitic stainless steels
- Strong performance in chloride-containing environments
- Suitability for offshore, chemical, and marine applications
These characteristics make super duplex seamless pipes an ideal choice for demanding piping systems in Southeast Asia and other coastal regions.
Quality Control and Export Packaging
All pipes supplied by Haihao Group undergo strict dimensional inspection, visual examination, and material verification before shipment. The pipes in this order were:
- Cut to specified fixed lengths
- Fitted with durable pipe caps to protect the pipe ends
- Packed in sturdy wooden cases to meet international export standards
This ensures that the ASTM A790 seamless pipes arrive at the customer’s site in excellent condition.
Trusted Supplier of Super Duplex Seamless Pipes
With years of experience in exporting super duplex stainless steel seamless pipes, Haihao Group provides reliable solutions for:
- Oil and gas piping systems
- Chemical processing plants
- Offshore and marine engineering
- High-corrosion industrial environments
Our products comply with international standards and are tailored to meet specific project requirements worldwide.
