Super Duplex

Duplex

Higher chromium, molybdenum and nitrogen than standard duplex, with a PREN above 40 for aggressive seawater and sour service.

Grades

Commonly supplied

2507, S32750, S32760 (Zeron 100), S32550

UNS: S32750 · S32760 · S32550

Characteristics

PREN	Above 40, suited to warm chloride environments
Strength	Yield around 550 MPa
Fabrication	Ferrite content and heat input must be controlled during welding
Testing	Ferrite count and corrosion testing to ASTM A923 / G48 on request

Product forms

Typical applications

Subsea and topside systems

Firewater mains

Desalination plants

Sour service

Technical data

Typical values for reference. Confirm the actual heat against the mill certificate supplied with your order.

Request for quotation

Send it in any format, Excel, PDF, or a photo of a marked-up drawing. You get a technical response within one working day, not a brochure.