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Haynes 188 Plate

Haynes 188™ is a cobalt based alloy with excellent high temperature strength and great oxidation resistance up to 2000° F. Haynes 188’s™ has good resistance to sulfidation and good metallurgical stability, therefore Haynes 188™ can be easily fabricated.

Haynes 188™ has an excellent temperature strength and oxidation resistance to 2000 ºF. Haynes 25™ is hot formable between 1900 ºF- 2300 ºF. Also known as Alloy L605, it is better to cold-work Haynes 25™ for bending, spinning and drawing the components.

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  • Meets AMS 5608 specifications
  • Meets AMS 5772 specifications
  • Enormously beneficial high temperature strength
  • Provides oxidation resistance up to 2100° F
  • Excellent post-aging ductility
  • Galling resistant
  • Easily strengthened by cold deformation


  • Flame holders
  • Liners
  • Combustors
  • Transition ducts
  • Afterburner liners


  • UNS: R30188
  • International Specifications: Werkstoff Nr. 2.4683

Specifications : AMS 5608 / AMS 5609
Standard : AMS, AMS and API
Specialize Shim Sheet, Perforated Sheet, B. Q. Profile.
Size : 0.5 MM TO 200 MM THICK IN 1000 MM TO 2500 MM WIDTH & 2500 MM TO 12500 MM LENGTH
Form : Coils, Foils, Rolls, Plain Sheet, Shim Sheet, Perforated Sheet, Chequered Plate, Strip, Flats, Blank (Circle), Ring (Flange)
Finish : Hot rolled plate (HR), Cold rolled sheet (CR), 2B, 2D, BA NO(8), SATIN (Met with Plastic Coated)
Hardness : Soft, Hard, Half Hard, Quarter Hard, Spring Hard etc.
Grade : Haynes 188 (UNS R30188)

Chemical Composition

C MN P S Si Cr Ni Mo Cu Co Cb Ti B Fe W La
    bal     .015

Calico Metal Alloys LLP export products to countries like UAE, Bahrain, Italy, Indonesia, Malaysia, United States, Mexico, Chine, Brazil, Peru, Nigeria, Kuwait, Jordan, Dubai, Thailand (Bangkok), Venezuela, Iran, Germany, UK, Canada, Russia, Turkey, Australia, New Zealand, Sri Lanka, Vietnam, South Africa, Kazakhstan & Saudi Arabia.

HASTELLOY, HAYNES and C-22 are registered trade names of Haynes International, Inc., MONEL & INCONEL are registered trade names of INCO family of companies., NITRONIC is a registered trade name of Armco Inc., CARPENTER & 20Cb-3 are registered trade names of Carpenter Technology Corporation., FERRALIUM is a registered trade name of Langley Alloys, LTD.

Nickel Alloys Materials