Super Duplex Alloys

Super Duplex Alloys

Raj Metals supplies Super Duplex Alloys, super duplex stainless steel for demanding chloride, seawater, offshore, sour service, and chemical processing environments. We provide dependable material selection, cutting support, documentation, and supply coordination for project and maintenance requirements.

Key Features

✓ Very high pitting resistance
✓ Excellent high-pressure strength
✓ Reliable seawater performance
✓ Suitable for subsea equipment

Product Specifications

Parameter Details
Material Family / Product Form Super Duplex Stainless Steel
Common Grades 2507, UNS S32750, UNS S32760
Available Forms Bars, Sheets, Plates, Pipes, Tubes, Fittings, Fasteners, and custom cut material as applicable
Standards ASTM, ASME, AMS, DIN, EN, JIS, and client-specific equivalent grades
Finish Options Bright, black, pickled, polished, machined, or as per requirement
Quality Support MTC, PMI, dimensional inspection, third-party inspection, and traceability on request

Super Duplex Alloys Chemical Composition

Grade Cr Ni Mo N C Other Elements
Super Duplex 2507 / S32750 24.0 - 26.0 6.0 - 8.0 3.0 - 5.0 0.24 - 0.32 0.030 max Mn 1.20 max, Si 0.80 max, Fe Balance
Super Duplex S32760 24.0 - 26.0 6.0 - 8.0 3.0 - 4.0 0.20 - 0.30 0.030 max Cu 0.50 - 1.00, W 0.50 - 1.00

Industry Applications

Subsea Equipment

Offshore Piping Systems

Desalination Units

Chemical Tankers

Sour Gas Service

High-Pressure Heat Exchangers