| |
■THERMOCOULPE
ALLOYS
■ALLOY WIRE FOR COMPENSATION CABLE FOR THERMOCOUPLE
■PRECISION RESISTANCE ALLOYS
■HIGH
RESISTANCE ELECTROTHERMAL ALLOYS
■PURE NICKEL
PRODUCTS
■STAINLESS STEEL WIRE
■OTHER
ALLOY PRODUCTS
|
THERMOCOUPLE
ALLOYS |
THERMOCOUPLE ALLOYS
·nickel—chromium／nickel—silicon thermocouple (Type K)
·nickel—chromium／copper—nickel (constantan) thermocouple (Type
E)
·copper／copper—nickel (constantan) thermocouple (Type T)
·iron／copper—nickel (constantan) thermocouple (Type J)
wires for assembly or metal sheathed thermocouples of type K,E,T,J.
·Main Properties and Uses
They possess many excellent properties, such as good linearity, high sensitivity, stability, homogeneity and resistance to oxidization, with broad applications in metallurgy, the chemical industry, power generation, instrumentation, defense and more.
·Temperature Range and Tolerance
|
| |
| thermocouple
|
type
|
grade
|
Temperature
Range(°)
|
tolerance
|
| NiCr–NiSi
|
K
|
Ⅰ
Ⅱ
|
﹣40～1100
﹣40～1300
|
±1.5℃
or ±0.4％t
±2.5℃
or ±0.75％t
|
| NiCr–CuNi
|
E
|
Ⅰ
Ⅱ
|
﹣40～800
﹣40～900
|
±1.5℃
or ±0.4％t
±2.5℃
or ±0.75％t
|
| Fe–CuNi
|
J
|
Ⅰ
Ⅱ
|
﹣40～750
﹣40～750
|
±1.5℃
or ±0.4％t
±2.5℃
or ±0.75％t
|
| Cu–CuNi
|
T
|
Ⅰ
Ⅱ
|
﹣200～400
|
±0.5℃
or ±0.4％t
±1℃
or ±0.75％t
|
|
| |
ALLOY WIRE COMPENSATION CABLE FOR THERMOCOUPLES
|
·alloy wire for type SC or RC cable (lead wire)
·alloy wire for type KCB cable (lead wire)
·alloy wire for type KX cable (lead wire)
·alloy wire for type EX cable (lead wire)
·alloy wire for type JX cable (lead wire)
·alloy wire for type TX cable (lead wire)
·other alloy wire according to demands of the consumers.
|
| |
|
thermo-coupetype |
compen-sationcabletype |
alloy wires |
type |
normalthermalEMF(μν) |
Temper-ature range (℃) |
tolerance (precision grade)(±μν) |
tolerance (general grade)(±μν) |
|
S
|
SCorRC
|
Cu–CuNi0.6
|
G
|
645
|
0～100
|
30(2.5℃)
|
60(5.0℃)
|
|
H
|
1440
|
0～200
|
—— |
60(5.0℃)
|
|
K
|
KCB
|
Cu–CuNi40
|
G
|
4095
|
0～100
|
60(1.5℃)
|
100(2.5℃)
|
|
K
|
KX
|
NiCr10–NiSi3
|
G
|
4095
|
-25～100
|
60(1.5℃)
|
100(2.5℃)
|
|
H
|
8137
|
-25～200
|
60(1.5℃)
|
100(2.5℃)
|
|
E
|
EX
|
NiCr10–CuNi45
|
G
|
6317
|
-25～100
|
120(1.5℃)
|
200(2.5℃)
|
|
H
|
13419
|
-25～200
|
120(1.5℃)
|
200(2.5℃)
|
|
J
|
JX
|
Fe–CuNi45
|
G
|
5268
|
-25～100
|
85(1.5℃)
|
140(2.5℃)
|
|
H
|
10777
|
-25～200
|
85(1.5℃)
|
140(2.5℃)
|
|
T
|
TX
|
Cu–CuNi45
|
G
|
4277
|
-25～100
|
300.5℃)
|
60(1.0℃)
|
|
H
|
9286
|
-25～200
|
48(0.8℃)
|
90(1.5℃)
|
|
| |
PRECISION
RESISTANCE ALLOYS |
| ■Manganin
(6J12)
·Chemical
Composition (％)
| Mn
|
Ni
|
Fe
|
Si
|
Cu
|
S
|
C
|
P
|
| 11～13
|
2～3
|
﹤0.5
|
﹤0.1
|
balance
|
﹤0.020
|
﹤0.05
|
﹤0.005
|
·Main
Properties
Resistivity
ρ 0.47μΩ·m
Temperature
coefficient of resistance
α20
±10×10-6/℃
Linear
expansion coefficient(20～100℃)
18.1×10-6/℃
Density
8.4g/cm3
Melting
point
960℃
Tenside
strength 490～539Mpa
Elongation
25％
Average
TEMF rate vs Cu
Ē≤1μν/℃
Upper
limit of temperature
300℃
■Cu—Ni
alloy series
·Main
Properties
| Alloy
|
Type
|
Resistivity
at 20℃
α20
(Ω㎜2/m)
|
| CuNi1
|
CN2.5W
|
0.025±7％
|
| CuNi2
|
CN5W
|
0.05±7％
|
| CuNi6
|
CN10W
|
0.10±7％
|
| CuNi8
|
CN15W
|
0.15±7％
|
| CuNi14
|
CN20W
|
0.20±7％
|
| CuNi19
|
CN25W
|
0.25±7％
|
| CuNi23
|
CN30W
|
0.30±7％
|
| Constantan
|
6J40
|
0.48±0.03
|
·Main
Uses
The alloys can be used for galvanometer voltmeter,potentiometer,various
resistors and heating elements. |
| |
HIGH
RESISTANCE ELECTROTHERMAL ALLOYS (Ni—Cr ALLOYS) |
| ·Chemical
Composition (％)
| type
|
Si
|
Ni
|
Cr
|
Cu
|
Fe
|
C
|
Mn
|
P
|
S
|
AL
|
| ≤
|
| 6J20
|
0.40～
1.30
|
bal
|
20.0～
23.0
|
—
|
﹤1.50
|
0.05
|
0.07
|
0.010
|
0.010
|
0.30
|
| 6J15
|
0.40～
1.30
|
55.0～
61.0
|
15.0～
18.0
|
|
