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Haynes 188

Application Industry:

    Equivalent designationsEquivalent designations UNS R30188 Chemical composition%CoNiCrWFeCMnSiPSLaBminbalance20.020.013.00.050.200.02max24.024.016.03.00.151.250.500.0200.0150.120.015Physical propertiesDensity8.98 g/cm3Melting range1315-1410℃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 sulfat...

  • FOB Price: US $0.5 - 9,999 / Piece
  • Min.Order Quantity: 100 Piece/Pieces
  • Supply Ability: 10000 Piece/Pieces per Month
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Equivalent designationsEquivalent 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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