1. Brief introduction:

   A Cobalt-based alloy with excellent high temperature strength and good oxidation resistance to 2000℉(1093℃).

   It has good sulfidation resistance and excellent metallurgical stability displayed by it’s ductility after prolonged exposure to elevated temperatures.

   It’s used in typical gas turbine appplications such as combustor, flame holders, liners and transition ducts.

    

2. Main specifications:
   

   UNS	USA
   R30188	Udimet alloy 188

    

3. Chemical composition under AMS5608 standard:

   Grade	chemical composition,%
   	Ni	Cr	Co	W	Mn	La
   Alloy 188	20.0-24.0	20.0-24.0	Remainder	13.0-16.0	≤1.25	0.02-0.12
   	Si	C	Fe	B	S	P
   	0.2-0.5	0.05-0.15	≤3.0	≤0.015	≤0.015	≤0.02

   
   

4. Main product types:

   forging,extruded section,bar,sheet/plate.

    

5. Main produce standards:
   

   Rod,Bar, Forging,Ring	Plate/Sheet/Strip
   AMS5772	AMS5608

    

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