Duplex & Super Duplex Steel Pipes
Duplex and super duplex pipes combine austenitic and ferritic phases. They are selected for strength and corrosion resistance in demanding service, including suitable chloride-containing environments.
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Specification options
Final selection depends on the project specification and confirmed quotation.
Manufacturing routes
Seamless or welded, subject to the specified grade and pipe standard.
Standards
ASTM A790; ASTM A928 for applicable welded duplex and super duplex pipe.
Grade options
Duplex 2205 / UNS S31803; super duplex UNS S32750 and S32760, as required.
Dimensions
Specify outside diameter, wall thickness or schedule, length and connection requirements.
Quality requirements
State heat treatment, PMI, corrosion testing, inspection and material certification requirements.
Applications
Offshore and oil and gas systems, chemical processing, seawater and other demanding corrosion service where the selected grade is appropriate.
Information for your enquiry
Provide pipe material and grade, standard, size, wall thickness or schedule, length, manufacturing route, end preparation, quantity and required testing or certification.
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