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Stainless Steel DTD 189A
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Stainless Steel DTD 189A

Available in any of the 'profile options'

This grade of stainless steel is widely used in the aerospace industry.

Chemical Composition Specifications Designations Key Features Typical Applications
Element Min % Max %
C 0.15
Si 0.20
Mn 2.00
Ni 7.00 10.00
Cr 17.00 20.00
Ni + Cr 25.00
Ti
or
Nb/Cb
4 x C

8 x C

S 0.045
P 0.045
DTD 189A AWS 164 Corrosion resistant. Aircraft Locking wire
General Locking wire
Density 8.0 g/cm³ 0.289 lb/in³
Melting Point 1398°C 2550°F
Coefficient of Expansion 17.5 μm/m °C (20 – 100°C) 9.7 x 10-6 in/in °F (70 – 212°F)
Modulus of Rigidity 70.3 kN/mm² 10196 ksi
Modulus of Elasticity 187.5 kN/mm² 27195 ksi
Properties
Condition Approx. tensile strength Approx. operating temperature
N/mm² ksi °C °F
Annealed 600 – 800 87 – 116 -200 to +300 -330 to +570

The above tensile strength ranges are typical. If you require different please ask.

 

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