Invar Ni36 wire, rod, bar
Modern metallurgic industry is engaged in manufacturing the following mill products from alloy Ni36:
beaten rod etc.
Ni36 Invar is a type of precision alloys. It has a defined LCTE and contains in its composition a basis of iron (63−64,5%) and nickel (35−37%). Alloy has a small linear coefficient of thermal expansion (- 1,5×10-6 1/°С temperature is -80 + 100°C). It defines its usage in manufacturing details of checking and measuring instruments. Such tools work at marginal climatic temperature gradients, keeping a fixed dimension of this temperature range. It is alloyed with silicon, cuprum, mangan, aluminium, molybdenum, vanadium. Ni36 is obtained by a method of vacuum induction melting. This steel is often used with an effective layer of other alloys (20NG, 75GND, 19NH, 24NH). As a result, there appear thermostatic bimetals of different grades.
|Coercive field (not higher) [A/m]||Hc|
|Magnetical inductive capacity (not higher) [mH/m]||Umax|
|Specific loss (not higher) 50 hz of frequency, magnetic induction 1.0 Т[ B/kg ]||P1.0/50|
|Magnetic T induction, magnetic field strength no less than 100, in magnetic field, [A/m]|
Invar, percentage composition, a basis constitutes iron
|≤0.1||≤0.015||0.3 — 0.6||≤ 0.3||≤0.05||35 — 37||≤0,15||≤0.015||≤0.1||≤0.1||≤0.1|
Invar, physical properties
|a 10 6||8,2||1,42||20||420||R 10 9|
|Modulus of elasticity of first genus [MPa]||E|
|Required temperature for obtaining of actual features, [Degree]||T|
|Linear expansion thermal coefficient [1/deg] (range of temperatures 20°С)||a|
|Electrical unit-area resistance [Ohm-m]||R|
|Density of a material, [kg/m3]||r|
|Heating capacity of material (or coefficient of conductivity for heat) [V/(m/deg)]||l|
|Specific heat of a material [J/(kg/deg)] (range of temperature 20°С)||C|
Invar wire, rod, bar supplier
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|GOST 14 080−78 — a wire, a rod||
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