Wire KHN75MBTJU - ЭИ602
Wire made of an alloy KHN75MBTJU Nickel-based (also found another name of alloy — ЭИ602). It is an indispensable component in the manufacture of parts of equipment operating at high temperatures: details of combustion chambers, welding electrodes, components of the resistance of the electrical installations. Welding electrodes and wire KHN75MBTJU used for welding parts and welding of various metal structures in mechanical engineering.
|to 77.6||19−22||1,8−2,3||up to 1||to 0.8||0.9−1.3||0.35−0.75||0.35−0.75||to 0.4||to 0.12||to 0.1||to 0.012|
This alloy has a density of 8.3 g/cm3, refers to hromonikelevoj alloys (Cr — Ni — Mo). It has high durability in a wide range of aggressive environments. Limit short-term strength of alloy 900−930 MPa. Balanced content of main and additional alloying of the alloy elements (W, Nb, Fe, etc.) guarantee a high level of resistance to corrosion in harsh environments. With prolonged use it is recommended t° 950 °C. the heat Resistance of the alloy allows for a short time to reach the maximum working temperature to 1050 °C. Above a temperature 1050−1100°C in air begins to rapidly form slag. For a number of qualities, this steel is superior to the same brand. At 20 °C wire KHN75MBTJU has the following mechanical properties:
- limit short-term strength equal to 930 MPa;
- elongation at break of 47%;
- the limit of proportionality (yield strength for permanent deformation) equal to 400 MPa;
- the relative narrowing is 37%;
- heat treatment produces a hardening process at a temperature of from 1050 to 1080 °C with air cooling.
The physical properties of the material from which made the wire the following:
- the modulus of elasticity of the first kind equal to 1.37 MPa;
- coefficient of thermal (linear) expansion (temperature range 20°C) equal to 18,1 1/Deg;
- coefficient of thermal conductivity (the heat capacity of the material) is 24.4 W/(m•deg);
- the density of the alloy is 8.3 g/cm3,
|t°||E 10— 5||a 10 6||Heat||Density|
All the products KHN75MBTJU certified. In the technical documentation included data on chemical composition, limiting the percentage of impurities; mechanical qualities of the products. We can buy in bulk any semi-finished products for large-scale production. We also offer optimal conditions for retail customers. A high level of service and speed of service are the face of our company.
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