1.4162 (LDX 2101)

A low-alloyed, general purpose lean duplex stainless steel.

LDX2101 is a lean duplex stainless steel manufactured by Outokumpu.


LDX2101 has excellent corrosion resistance, equal to traditional duplex grades, as well as very high strength. It also has very high resistance to chloride stress corrosion cracking.

In suitable applications LDX2101 can be used in place of austenitic grades 304/304L, 316/316L/316Ti without cost penalty, in fact often with a cost saving, provided that redesign takes places to exploit the high strength of LDX 2101.

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Related Specifications

  • 1.4162
  • S32101
  • ASTM A240

Properties

Chemical Composition

Applications

  • Pulp and paper industry
  • Desalination plants
  • Flue-gas cleaning
  • Cargo tanks and pipe systems in chemical tankers
  • Seawater systems
  • Firewalls and blast walls on offshore platforms
  • Bridges
  • Components for structural design
  • Storage tanks
  • Pressure vessels
  • Heat exchangers
  • Water heaters
  • Rotors, impellers and shafts
  • Flanges and valves

Characteristics

  • High resistance to chloride stress corrosion cracking
  • High strength
  • Good fatigue strength
  • Chloride pitting resistance comparable to type 316L stainless
  • Good general corrosion resistance
  • Good machinability and weldability
  • Useful up to 600°F

Additional Information

Fabrication

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