NiFe50 wire, rod, bar
NiFe50 wire, rod, bar supplier
«Auremo» supplier offers to buy NiFe50 wire, rod, bar by wholesale. There is a wide range of half-finished goods in stock. A wire, a rod, a bar are always in stock. You can buy them for the best price from a NiFe50 wire, rod, bar supplier. Buy NiFe50 wire, rod, bar right now! 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. For wholesale customers a price is privileged.
Appliance
NiFe50 wire, rod are used in modern innovative technologies, at manufacturing the electronic units, household appliances, details of laser techniques and metrologic-measuring equipment. Permalloy NiFe50 is an essential material in manufacturing cores of small-sized and high-power transformers, relay actuators, chokes, details of magnetic circuits. They operate while working at increased induction with a small bias or without it. Possessing a high magnitude of initial permeability, soft-magnetic alloys can magnetize to saturation on weak fields.
Manufacture
NiFe50 permalloy is characterized by an accuracy of chemical composition, a preciseness of manufacture, processing, and absence of residual elements. It is the high-doped alloy. They are manufactured on a basis of iron, nickel, cuprum, niobium, cobalt. Such alloys are smelted in special metallurgic furnaces. Prepared ingots are exposed to forging and cogging. Soft-magnetic alloys have an increased induction of technical saturation and raised magnetic inductive capacity.
Percentage composition according to GOST 10 994 — 74
| P |
Fe |
Cu |
S |
Si |
Mn |
Ni |
C |
| ≤0,02 |
48.33 — 50.55 |
≤ 0.2 |
≤0,02 |
0.15 — 0.3 |
0.3 — 0.6 |
49,0−50.5 |
≤0.03 |
Permalloy is smelted in open arc furnace. A usage of special masteralloys gives a material the most precious properties (elastic, magnet, heating, electrical). This steel possesses the balanced technological characteristics due to which it is so popular. Tubes of NiFe50 grade are used in spheres of precision machine tool building, an accurate instrument engineering, innovative technologies.
Mechanical properties at a temperature 20 °C.
| Products |
Heat treating |
Diameter |
y |
KCU |
d5 |
sT |
sv |
F.e. |
Heat treating |
| Bar |
Annealing temperature: |
mm |
% |
kJ/m2 |
|
MPa |
MPa |
|
|
| Annealing |
450−550°С |
25 |
|
|
|
285 |
490 |
|
annealing |
Application
By virtue of unique physical, mechanical properties, permalloy is widely used in a modern industry. Unique properties of a material are conditioned by its balanced composition. With an appearance of materials of a new generation, there has become a possibility to improve many technological processes and to provide a long-term and reliable work of equipment in a wide temperature range.
Physical characteristics
| Description |
Identification |
| 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 |
| Electrical unit-area resistance [Ohm-m] |
R |
| Density of a material, [kg/m3] |
r |
| Specific heat of a material [J/(kg/degree)] (range of temperature 20°С) |
C |
Magnetic characteristics
| Description |
Identification |
| 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] |
B100 |
Mechanical characteristics
| Description |
Identification |
| 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] |
HB |
Welding:
| Type |
Description |
| limitedly weldable |
welding is possible at heating to 100−120°С and last heat treating |
| hardly weldable |
in order to obtain a qualitative welded joints, it is necessary to perform the following operations: while welding to heat it up to 200−300°C, heat treating (annealing) after welding |
| weldable without stint |
welding is done without further heat treating or previous heating |
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