6J10, 6J15, 6J20, 6J22, 6J23, 6J24 resistance electric heating alloy

alloy

Main features

The main purpose

6J10

Has low resistivity and low temperature coefficient of resistance

Thermal relay, circuit breaker, motor overheating element

6J15、6J20、Cr15Ni60、Cr20Ni80

Has higher resistivity and lower temperature coefficient of resistance

Various measuring instruments, meters and other resistance elements

6J22、6J23、6J24

A nickel-chromium modified alloy. Has a low temperature coefficient of resistance and a small thermal EMF for copper

Resistive elements in precision instruments such as various measuring instruments and meters

alloy

Chemical composition (mass fraction)(%)

Cr

Al

Fe

Cu

Mn

Si

Ni

C

P

S

≤

6J22

19.0~21.5

2.70~3.20

2.00~3.00

0.50~1.50

≤0.20

margin

0.04

0.01

0.010

6J23

19.0~21.5

2.70~3.20

2.00~3.00

0.50~1.50

≤0.20

margin

0.04

0.010

0.010

6J24

19.0~21.5

2.00~3.20

≤0.50

1.00~3.00

0.90~1.50

margin

0.04

0.010

0.010

Nominal diameter/mm

Elongationδ(%)(L0=100mm)≥

Breaking force/N≥

0.010~0.012

4

0.059

0.013~0.016

5

0.098

0.018~0.020

7

0.157

0.022~0.025

0.245

0.028~0.030

0.441

0.032~0.036

0.637

0.040~0.050

10

0.981

0.056~0.063

1.765

0.071~0.080

2.746

0.090~0.100

4.903

0.112~0.400

18

6.374