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The advantages of Nickel alloys include high resistance to corrosion in combination with ductility and excellent machinability has a significant resistance, allowing the use of products based on Nickel at high temperatures up to 950 °C, some higher than 1000 °C. Alloys based on Nickel, despite its relatively high cost, have a set of unique qualities that are guaranteed to outweigh the initial costs. Today, materials like alloy KHN75MBTJU-VD, deservedly gained popularity and constant demand in many sectors of modern industry.
The percentage KHN75MBTJU-VD GOST 5632−72
Basic properties of circle stamps KHN75MBTJU-VD depend on its chemical composition and percentage of constituent elements. So Nickel has led to resistance of this material to the action of the majority of industrial corrosive environments, heat resistance, prevents the degradation by high temperature modes of operation.
The advantages of the alloy determined the scope of the circle KHN75MBTJU-VD. Is manufacturer of fasteners, parts, piping systems, rotor, springs, high-temperature parts of the combustion chambers of gas turbine engines, which are limited to a temperature of 950 °C. Another important quality of the alloy is its good weldability, in connection with which the circle stamps KHN75MBTJU-VD can be applied to the manufacture of welded structures of any complexity.
|Weldability||The necessary operations|
|No restrictions on welding||For high-quality welding pre-training is not required|
|Alloys limited welded type||Qualitative welded connection, maybe get after preheating contacting surfaces to 100−120°C and the final heat treatment suture zone, after the completion of welding works|
|Type alloys difficult to weld||Before welding contact surface has warmed up to 200−300°C. After welding, to improve the characteristics of the suture zone of the prefabricated subjected to high temperature annealing.|
|Name characteristics||The symbol||Numeric value|
|Rolled sheet according to GOST 24982−81|
|The limit of proportionality (flow rate for residual deformation type), MPa||sT||345−390|
|Short-term strength (limit value), MPa||blower SB||740|
|The rate of elongation at the terminal force, %||d5||35|
|Heat treatment||Annealing at temperatures from 1050 to 1090ºС|
|Feature||The numerical value of the parameter|
|Temperature measurements tºC,||900||800||700||600||500||400||300||200||100||20|
|The modulus of elasticity (E), MPa||1,69||2,1|
|The coefficient of linear expansion (ах106), 1/deg||15,88||15,18||15,11||14,59||14,22||14,2||13,42||13,08||12,28|
|Heat (I), W/(mgrad)||47,4||40,2||34,5||29,3||24||19,6||15,9||13||10,5|
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