LDX 2101 is a lean duplex stainless steel designed for general purpose use. Like other duplex stainless steels, LDX 2101 provides both superior strength and chloride stress corrosion cracking resistance compared to 300 series stainless steels. The use of manganese ensures proper ferrite-austenite phase balance, while allowing a reduction in nickel content. As a result, LDX 2101 is priced competitively with 304/304L and 316/316L stainless steels.
The combination of a duplex structure and high nitrogen content provide significantly higher strength levels than 300 series stainless steels. Often a lighter gauge of LDX 2101 can be utilized, while maintaining the same strength as a 300 series fabrication. The resultant weight savings can dramatically reduce the material and fabrication costs of a component.
Chemical Composition, %
Ni
Cr
Mo
Mn
Cu
Si
C
N
S
P
Fe
MIN
1.35
21.0
0.1
4.0
0.1
-
-
0.2
-
-
-
MAX
1.7
22.0
0.8
6.0
0.8
1.0
0.04
0.25
0.03
0.04
Balance
Specifications
UNS: S32101 W. Nr./EN: 1.4162 ASTM: A 240, A 479, A 276, A 789, A 790
ASME: SA-240, SA-479, SA-790, SA-789 Section IV Code Case 2603, Section VIII Code Case 2418
Common Trade Names
LDX 2101® Stainless
LDX® 2101 is a registered trademark of Outokumpu Stainless
SPEC SHEET
LDX 2101 is a lean duplex stainless steel designed for general purpose use. Like other duplex stainless steels, LDX 2101 provides both superior strength and chloride stress corrosion cracking resistance compared to 300 series stainless steels. The use of manganese ensures proper ferrite-austenite phase balance, while allowing a reduction in nickel content. As a result, LDX 2101 is priced competitively with 304/304L and 316/316L stainless steels.