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UNS S32750 & UNS S32760

Super duplex stainless steels are generally more complex, more highly alloyed materials with PREN (Pitting Resistance Equivalent number) = 40。0 and offer even higher strength and corrosion resistance making them suitable for very demanding applications such as offshore marine engineering。

Trade Name

UNS

Super Duplex Industry Specifications

Chemical Composition

Min。Tensile
(KSI)

Min.Yield
(KSI)

Elongation
%

SAF 2507®

UNS S32750

ASTM A182 F53, A240, A276, A479, A789, A790, A815, A928, A988
SAE J405

C 0。030 max 
Cr 24.0-26.0
Cu 0.5 max
Mn 1.20 max
Mo 3。0-5。0
N 0。24-0。32
Ni 6.0-8.0
P 0。035 max
S 0。020 max
Si 0。8 max

116

80

15

 

UNS S32760

ASTM A182 F55, A240, A276, A314, A473, A479, A789, A790, A815, A928, A988
SAE J405

C 0。03 max 
Cr 24。0-26。0
Cu 0.5-1.0
Mn 1.0 max
Mo 3。0-4。0
N 0.2-0.3
Ni 6.0-8.0
P 0.03 max
S 0。01 max
Si 1。0 max
W 0.5-1.0

 109

80

25

 


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