Duplex & Super Duplex Plates

High-Strength Duplex Plate

Duplex & Super Duplex Plates

Duplex 2205 & Super Duplex 2507 plates for pressure vessels, offshore structures and desalination plant.

Duplex & Super Duplex Plates

ASTM / ASME Certified Material

Product Overview

Duplex and super duplex plate is fabricated into pressure vessels, offshore module structures and desalination plant components — combining higher strength than standard stainless with resistance to chloride stress-corrosion cracking.

Both 2205 and 2507 are held in solution-annealed condition, flame-cut or sheared to size.

Thickness3mm – 60mm
WidthUp to 2500mm
LengthUp to 12000mm
Grades2205, 2507

Request Quote Talk to Our Team

Photo Gallery

Duplex & Super Duplex Plates — In Our Stockyard

Specification

Available Grades

Grade	Standard	Description
Duplex 2205 (UNS S31803 / S32205)	ASTM A240	Pressure vessels & offshore structural plate
Super Duplex 2507 (UNS S32750)	ASTM A240	Subsea structures & extreme-pitting-resistance plate

Technical Data

Specifications

Thickness3mm – 60mm
Width1500 – 2500mm
Length3000 – 12000mm
ManufactureHot Rolled, Plate Mill

TestingFerrite Content, UT, Hardness on request
CertificationEN 10204 3.1 / 3.2 Mill Test Cert.
ConditionSolution Annealed
PackingBundled with edge protection

Technical Note — Plate flatness and ferrite balance are confirmed before dispatch — vessel fabricators working to PED or ASME Section VIII codes receive mill certificates covering both mechanical and metallurgical requirements.

Where It's Used

Applications

Pressure Vessels

Offshore Structures

Desalination Plant

Chemical Storage Tanks

Get a Price

Request a Quote for Duplex & Super Duplex Plates

Share size, grade and quantity for the fastest response from our sales team.