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Special Metal   Electric Resistance Materials, Thermocouple Alloys

Thermocouple Alloys

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Temperature Measurement Materials

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Furukawa has 50 years history in manufacturing high quality temperature measurement materials, thermocouples and extension wires. We have fully integrated production systems, covering the whole process from melting to semi-finished products with complete traceability back to melt. The trend of industry demand for high precision and reliable thermocouple is increasing. Furukawa is capable of this growing demand with rich experience and technical aptitude of melting and related processes. 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
Comply with JIS and ASTM
Type Thermocouple Extension Nominal Composition(%)
Standard Grade Special Grade Standard Grade Special Grade Symbol Cr Si Al Mn Co Cu Ni Fe
R - - RPX - - - - - 100 - -
*Compensating RNX - - - - - Bal. 1.0 -
K KP&KPX 9.5 0.5 - - - - Bal. -
KN&KNX - 2.0 1.0 1.5 - - Bal. -
E EP&EPX 9.5 0.5 - - - - Bal. -
EN&ENX - - - 1.0 - 55.0 43.0 -
T TP&TPX - - - - - 100 - -
TN&TNX - - - 1.0 - 55.0 43.0 -


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
Thermocouple Alloys
Thermocouple Alloys Temperature Measurement Materials
Thermocouple Alloys Furukawa-SKNH Thermocouple Alloy


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