Duplex & Super Duplex

Super Duplex Stainless Steel 32750/F53


Super Duplex stainless steel. 25% chromium copper free super duplex (austenitic / ferritic) steel also know as SAF 2507.The material exhibits high mechanical strength with outstanding corrosion resistance in marine environments.

32750/F53 typically has a min PREn (Pitting Resistance Equivalent) of 40.The grade is normally supplied in the annealed condition and although it cannot be hardened by heat treatment, stronger surface strengths can be achieved by cold working.

Typical applications: Components in the oil and gas industry, Marine, chemical processing and pollution control industries amongst others.

Available in dia bar stock up to 800mm dia

(other forms available on request)

Hollow Bar also available from stock.

Colour Code

purpleGreyStrokeCircle blackGreyStrokeCircle

Related Specifications

Steel Number UNS EN
1.4410 S32750 10088-3

Typical Chemical Analysis

C Si Mn P S Cr Ni Mo N PREn
.03 1.0 2.0 .035 .015 24-26 6-8 3-5 .25-.35 >40

For further technical information or additional sizes on this product or any other product or service please contact us.


All data provided is for information and guidance only. Information above is not for design purposes and comes without warranty or guarantee with respect to the subject matter or fitness for purpose.