Rod, bar, wire, pipe made of 80NHS
Extra-pure ferromagnet iron, low-coercive precision alloys on an iron-nickel or iron basis, low-carbon electrotechnical steels (unalloyed, siliceous) relate to this type of soft-magnetic materials. Ferromagnet, ferrimagnet, powdered and compositional materials also belong to this category. Soft-magnetic precision alloy 80NHS possesses a high magnetic inductive capacity and a low coercive force in weak fields at saturation induction that performs 0,65−0,75 Т. It is characterized by small changes of characteristics in a climatic temperature range.
|≤0.015||0.3 — 0.6||26.5 — 28||≤0.015||≤0,25||0.2 — 0.4||≤0.3||≤0,04|
Such alloys are melted in special metallurgic furnaces. A heat treating of semi-fabricates is done at +600°С with a help of gradual cooling.
|a 10 6||T||l||C||E 10— 5||R 10 9||r|
Such alloys are widely used in a modern industry at manufacturing the transformer cores, microphones, components of computer memory, magnetic antennas, details for electric machines, magnet cores. They are intended to be exploited in sea water.
|Modulus of elasticity of first kind [MPa]||E|
|Heating capacity of material (or coefficient of conductivity for heat) [V/(m/degree]||l|
|Required temperature for obtaining of actual features, [Degree]||T|
|Linear expansion thermal coefficient [1/degree] (range of temperatures 20°С)||a|
|Specific electrical resistivity [Оhm-mm2/m] 0,81||R|
|Density of a material, [kg/m3]||r|
|Specific heat of a material [J/(kg/degree)] (range of temperature 20°С)||C|
|Coercive field (not higher) [A/m]||Hc|
|Magnetical inductive capacity (not higher) [mH/m]||Umax|
|Saturation induction 2 T [V/kg]||P1.0/50|
|Magnetic T induction, magnetic field strength no less than 100, in magnetic field, [A/m]||B100|
|Short resistance to rupture [MPa]||sv|
|Flow limit (proportional limit load) for permanent change of form [MPa]||sT|
|Percent elongation at fracture [ % ]||d5|
|Contraction ratio [ % ]||y|
|Impact hardness [ kJ/m2]||KCU|
|Brinell hardness [mPa]-1 120−210||HB|
Mechanical properties at a temperature 20 °C.
|Strip according to GOST 10 160−75||20||295||590|
|Hammer-hardened strip according to GOST 10 160−75||2||1080|
It is used for manufacturing cores of small-sized transformers, relay actuators, chokes, that work in weak fields of magnetic screens. It is also utilized in making contactless relays of small thickness (0.05 — 0.02 mm), magnet intensifiers and cores of pulsing transformers. Alloys in which composition except for iron there are cobalt and nickel belong to soft-magnetic alloys. Alloy 80NKHS is used in electric machine industry, transformer and radio engineering, magnet cores of a variable magnetic field, the electrotechnical sphere of industry, automation systems, teleautomatics and computationally measuring equipment.
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80NHS rod, bar, wire, pipe supplier
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