Manufacturer's spot price of GH90 high temperature alloy specifications, performance components

High temperature alloy
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Age-strengthened nickel-based superalloy
Overview of characteristics and application areas
This alloy is an age-strengthened nickel-based deformed superalloy , containing a relatively high amount of cobalt and a variety of strengthening elements, the alloy has high tensile strength and creep resistance at ℃, good oxidation resistance and corrosion resistance, and high fatigue strength under repeated alternating effects of cold and heat. As well as good formability and weldability. Used for turbine engine turbine disc blades, high temperature fasteners, clamps, seals, elastic components, etc.
Similar grades
United Kingdom
Chemical composition
Alloy
Grade
Nickel
Chromium
Iron
Molybdenum
Niobium
Cobalt
Carbon
Manganese
Silicon
Sulfur
Copper
Aluminum
Titanium
Minimum
Margin
Maximum
Physical properties
Density
Melting point
℃
Thermal conductivity
℃
Specific heat capacity
℃
Elastic modulus
Shear modulus
Resistivity
Poisson's ratio
Linear expansion coefficient
℃
℃
℃
Mechanical properties The minimum value of mechanical properties is detected at ℃
Heat treatment method
Tensile strength
Yield strength
Elongation
Brinell hardness
Solution treatment
Production execution standards
Standards
Chemical composition
Bars
Forgings
Plates
Wire
Pipes< br/> National standards
Aviation industry standards
National military standards
Metallographic structure
The main strengthening phase of this alloy is
square particles of different sizes in the crystal. The material is precipitated, and this shape of phase can also be seen on the grain boundaries. The carbides precipitate in discontinuous chains on the grain boundaries.
Process performance and requirements
This alloy is prone to internal cracking during forging. Heavy hammer blows are allowed, but low-temperature chamfering is not allowed. The charging temperature of the steel ingot is not higher than ℃, the final heating temperature is ℃, the opening forging temperature is not lower than ℃, and the final forging temperature is not lower than ℃.
The average grain size of the alloy is closely related to the degree of deformation of the forging and the final forging temperature.
The alloy can be used for inert gas tungsten arc welding and flash butt welding in the solid solution state.
Shanghai Xiangqia metal materials are widely used in hardware accessories, motor manufacturing, communication cables, electronics industry, electric vacuum devices, integrated circuits, ships, automobiles, aircraft, light industry, air conditioners and refrigerators, watches, papermaking, construction industry, aerospace and other scientific and technological fields!
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