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Higher Yield Strength Nickel Cobalt Alloy GH4738 Precipitation Hardened Superalloy

Place of Origin China
Brand Name XUNSHI
Certification ISO9001
Model Number GH4738
Minimum Order Quantity 100kg
Price Negotiable
Packaging Details Plywood case
Delivery Time 45-50 days
Payment Terms T/T
Supply Ability 500kg per week

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Product Details
Working Temperature 815°C Equal Grades WASPALOY, GH738
Density 8.22g/cm3 Melting Range 1330~1360°C
Form Of Supply Hot Rolled Plate, Cold Rolled Plate, Pipe, Strip, Wire, Forging, Casting , Fastner Product Name Nickel Cobalt Alloy
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nickel based alloys


cobalt based alloy

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Product Description

GH4738 is a Ni-Cr-Co based precipitation hardened superalloy.


GH4738 has higher yield strength and fatigue resistance during 760°C~870°C.It has good oxidation resistance and corrosion resistance in a gas turbine atmosphere at 870 degree C.It has good ductility and stable properties. It is suitable for making turbine disk, working blade, high temperature fastener, flame tube, shaft and turbine brake.


Chemical composition


Element C Cr Ni Co Mo Al Ti Fe
Weight(%) 0.03~0.10 18.0~21.0 Rem 12.0~15.0 3.50~5.00 1.20~1.60 2.75~3.25 2.00 max
Element B Zr Mn Si P S Cu  
Weight(%) 0.003~0.010 0.020~0.080 0.10 max 0.015 max 0.015 max 0.015 max 0.100 max  


The alloys have good oxidation resistance and corrosion resistance in various atmospheres encountered in jet engines or similar working conditions. Continuous operation of the antioxidant temperature up to 1040°C. Intermittent operation of the antioxidant temperature up to 870°C.


Forms of supply

Cold drawn bar

Hot rolled bar

Cold drawn wire

Hot rolled plate

Cold rolled plate

Cold rolled strip

Hot forged bar

Hot fored plate, ring