Invar 42 sheet, strip
Buy Invar sheet, strip at a bargain price
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A grade Ni42 relates to a group of precision alloys with a defined linear expansion thermal coefficient. TCLE of Invar in a range of temperatures -70º — +340ºC is not higher than 4.5 — 5.5×10-6/C°). Alloy is used in electrovacuum equipment. It differs with an accuracy of chemical composition, a preciseness of manufacture, processability, and absence of residual elements. An actual category of materials contains highly-alloyed alloys. Precision alloys are manufactured on a basis of iron, nickel, copper, niobium, cobalt. Marking Ni42 means that alloy contains about 42% of nickel.
|41.5 — 43
||56.14 — 58.5
A name of this alloy originates from a word «invariant» which means «unchanged» and corresponds a truth because TCLE of Invar almost does not change in a temperature range from -70º up to +340ºC. Sheet and a strip, made of this material, possess unique physical, mechanical characteristics (magnetic, elastic, heating, electrical). With an appearance of materials of new generation, there has become a possibility to improve many technological processes and to provide a long-term and reliable work of a whole complex of equipment in a wide temperature range.
Mechanical features at a temperature 20 °C.
|Hammer-hardened strip, GOST 14 080−78
||welding is possible at heating to 100−120°С and last heat treating|
||in order to obtain a qualitative welded joints, it is necessary to perform the following operations: before welding to heat details up to 200−300°C, heat treating (annealing) after welding.|
|weldable without stint
||welding is done without further heat treating or previous heating.|
|Short resistance to rupture [MPa]
|Flow limit (proportional limit load) for permanent change of form [MPa]
|Percent elongation at fracture [ % ]
|Contraction ratio [%]
|Impact hardness [ kJ/m2]
|Brinell hardness [MPa]
|Modulus of elasticity of first genus [MPa]
|Heating capacity of material (or coefficient of conductivity for heat) [V/(m/deg)]
|Required temperature for obtaining of actual features, [Degree]
|Linear expansion thermal coefficient [1/Degree] (range of temperatures 20°С)
|Electrical unit-area resistance [Ohm-m]
|Density of an actual material, [kg/m3]
|Specific heat of the material [J/(kg/deg)] (range of temperature 20°С)
Invar sheet, strip supplier
«Auremo» company proposes to buy Invar sheet, strip on the most favorable conditions. There is a wide range of goods of a high quality in stock. Invar sheet, strip price depends on order quantity and additional conditions of supply. If you buy products by wholesale, you will be given special discounts. An availability of products and efficiency of delivery are conditioned by a fact that we have offices in Moscow, St. Petersburg and cities of Central Europe. There is the best Invar sheet, strip price from «Auremo» Invar sheet, strip supplier.