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  • Haynes 188 sheet/bar/pipe
  • Haynes 188 sheet/bar/pipe

Haynes 188 sheet/bar/pipe

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toux Janet Chang

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Specification, Chemical & Mechanical Performance

Equivalent designations
UNS R30188

Chemical composition
% Co Ni Cr W Fe C Mn Si P S La B
min balance 20.0 20.0 13.0

 

0.05   0.20

 

 

0.02

 

max 24.0 24.0 16.0 3.0 0.15 1.25 0.50

0.020

0.015

0.12

0.015


Physical properties

Density 8.98 g/cm3
Melting range 1315-1410℃


Features: Haynes 188 combines excellent high temperature strength with very good resistance to oxidizing environments up to 1095℃ for prolonged exposure, and excellent resistance to sulfate deposit hot corrosion. It also has excellent resistance to molten chloride salts, and good resistance to gaseous sulfidation.

Applications: Military and commercial gas turbine engine combustion cans, transition ducts and after-burner components.

Note: Haynes is a registered trademark of Haynes International, Inc.

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