Duplex Stainless Steel

High Strength and Corrosion Resistance Duplex Stainless Steel : DSD1H、DSD5

Features and Applications

Features Comparing with SUS329J1, it has following features by adjustment and addition of chemical composition;
  • Improved corrosion resistance at sensitization temperature
  • Improved hot workability
  • Prevention of grain coarsening at high temperature
Applications DSD1H Seawater pump, chemical equipment, synthetics nozzle
DSD5 Seawater pump, bolt

Chemical Composition

DAIDO BRAND Chemical Composition(mass%) JIS
Ni Cr Mo Special element
DSD1H
5.5
24.0
1.5
Added
SUS329J1
DSD5
5.5
24.0
2.8
Added
SUS329J4L

Characteristics

DSD1H

  • Mechanical property is 0.2% higher than SUS304. Proof strength is about 1.8 times.
  • Corrosion resistance is better than SUS316.
  • Machinability is superior to SUS316.

DSD5

  • Mechanical property is 0.2% higher than SUS304. Proof strength is about twice of that.
  • Corrosion resistance, especially pitting corrosion resistance, is superior to SUS316.
  • Machinability is superior to SUS316.

Technical Data

Technical Data_DSD1H、DSD5

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