上海翔洽金属制品有限公司

High temperature alloy
High temperature alloy
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Overview of characteristics and application areas
This alloy is a base high-temperature alloy, with molybdenum, titanium, aluminum vanadium and trace amounts of boron added Comprehensive strengthening. It has high yield strength and durable creep strength below ℃, and has good processing plasticity and satisfactory welding performance. It is suitable for manufacturing high-temperature load-bearing parts of aeroengines that operate for a long time below ℃, such as turbine discs, compressor discs, rotor blades and fasteners.
Similar grades
United States, France, Germany
Chemical composition
Alloy
Grade
Nickel
Chromium
Iron
Molybdenum< br/> Phosphorus
Vanadium
Carbon
Manganese
Silicon
Sulfur
Copper
Aluminum
Titanium
Minimum< br/> 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< br/> Solid solution treatment
Production execution standards
Standards
Chemical composition
Bars
Forgings
Plate
Wire
Pipes
National Standards
Aviation Industry Standards
National Military Standards
Metallographic Structure
Under standard heat treatment conditions, the alloy has spheres evenly dispersed on the matrix. There is a trace amount of
type phase and
grain boundary, and there may be a small amount of
phase and
phase near the grain boundary.
Process performance and requirements
The alloy has good forgeability, with a forging heating temperature of ℃ and a final forging temperature of ℃.
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 has satisfactory welding properties. The alloy is welded in a solid solution state and subjected to aging treatment after welding
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