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
Min.Yield
Elongation
SAF 2507®
UNS S32750
ASTM A182 F53, A240, A276, A479, A789, A790, A815, A928, A988
C 0.030 max
116
80
15
UNS S32760
ASTM A182 F55, A240, A276, A314, A473, A479, A789, A790, A815, A928, A988
C 0.03 max
109
80
25
UNS S32750 & UNS S32760
(KSI)
(KSI)
%
SAE J405
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
SAE J405
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
Super Duplex Steel Tube,Super Duplex Steel Pipe,Super Duplex Stainless Steel Tube,Super Duplex Stainless Steel Pipe
Zhejiang Max Stainless Steel Co.,Ltd , https://www.cnstainlesstube.com