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Special Metal   Electric Resistance Materials, Thermocouple Alloys

Electric Resistance Materials

Electric Resistance Materials

Furukawa has 50 years history in manufacturing high quality electrical resistant materials. Our production line has capabilities from melting to semi-finished products with full traceability and strict quality control.

Our products comply with Japan Industrial Standard and most of the major international standards. We can customize a product based on your specification requirements.


Process

Melting and casting Hot rolling Cold drawing Annealing Inspection and packaging


Strength of Furukawa
  1. Fully integrated production systems with total quality control and 100% traceability
  2. Manufacturing of wide variety of products, including low volume quantities to meet customer demand
  3. Rich experience, excellent technical knowledge of melting and integrated processes
  4. Customer support to evaluate customer needs and resolve technical issues
  5. Proven, efficient, and reliable melting house capabilities


Material Type and Composition

Material Type Application Volume Resistivity
(μΩm)
Composition(%)
Nickel Manganese Copper
Copper-Nickel alloys CN49 Resistors(Precision grade)Electrical measuring instruments 0.490±0.030 43 0.5~2.5 Bal.
Resistors(General grade)
Electrical measuring instruments(regular grade)
Copper-Nickel alloys CN5 Resistors (General grade)
Temperature – maintenance heat generators, Shunt resistors
0.050±0.0075 1 1.0 Bal.
Copper-Nickel alloys CN10 0.100±0.012 5 1.0 Bal.
Copper-Nickel alloys CN15 0.150±0.015 10 1.0 Bal.
Copper-Nickel alloys CN30 0.300±0.024 24 Maximum1.5 Bal.
Copper- Manganese alloys CM44 Resistors (standard grade)
Precision electrical measuring instruments
0.440±0.030 2 12 Bal.
Electrical measuring instruments
(regular grade)


Product Range
Wire ; 0.1~4.80mm dia.
Rod ; 2.0~8.5mm dia.
1,000~2,000mm length
Ribbon ; thickness 0.1~2.0mm
Width1.0~6.0mm


Packaging

1. Winding into Coiled shape
Wire Diameter(mm) Coil Diameter(mm)
3.2~4.8 550
1.0~2.3 250, 300, 400

2. Winding on Bobbin
Bobbin Name Standard Diameter
(mm)
Standard Winding Quantity
(kg)
Collar Diameter
D(mm)
Body Diameter
d(mm)
Inner Width
W(mm)
Collar Thickness
a(mm)
Axis Hole
h(mm)
PD-45 0.65~1.29 45 440 290 195 15 50
P-30 0.32~1.00 25 300 130 130 15 30
P-10 0.2~0.32 10 200 90 110 12 25
P-5 0.1~0.32 5 160 70 90 12 20
P-3 0.1~0.32 3 130 60 90 10 20
P-1 0.1~0.32 1 100 50 70 10 16
 


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