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Duplex stainless steel

Duplex stainless steel

Duplex SS are two-phase alloys containing equal proportion of ferritic and austenitic phases in their microstructure, providing a combination of the corrosion resistance of austenitic stainless steels with greater strength.

WHAT IS DUPLEX STAINLESS STEEL?

Duplex stainless steels get their name from their two-phase microstructure.

While exact ratios vary by grade, most duplex steels have a structure that is roughly 50-percent austenite and 50-percent ferrite.

Duplex stainless steel specification

Quality

Prime Quality

Surface

BA/2B/NO.1/NO.3/NO.4/8K/HL/2D/1D

Item

Luxury Stainless Steel Ornamental Sheet

Technique

Cold Rolled Finish

Sample or not

Offer free sample for quality test

Delivery time

7days for stock size and 15-30 days for manufacturin

Packaging

Standard seaworthy export package

Product Keywords

Supplier China 201 304 316 316l 430 2B BA Stainless Steel Sheet /Plate

Duplex stainless steel chemical composition

UNSAISI/ASTMDIN/EN 
S31803/S3220522051.4462F51
Chemical Composition:
%CMnPSSi
Min
Max0.0320.030.021
NiCrMoN
Min4.5212.50.08
Max6.5233.50.2

Duplex stainless steel physical properties

Heat TreatmentT*SY*SElHardness
MPAMPA%HB
1020-110062045025≤290
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