6J8、6J12、6J13、6J20、6J22、6J23、6J40 Resistance electrothermal alloy

alloy

Mn

Si

Ni

Cr

Al

Cu

Fe

6J8

8.0~10.0

1.0~2.0

-

-

-

margin

-

6J12

11.0~13.0

-

2.0~3.0

-

-

margin

-

6J13

11.0~13.0

-

2.0~5.0

-

-

margin

-

6J20

≤0.70

0.40~1.30

margin

20.0~23.0

≤0.30

-

＞1.5

6J22

0.50~1.50

≤0.20

margin

19.0~21.5

2.7~3.2

-

2.0~3.0

6J23

0.50~1.50

≤0.20

margin

19.0~21.5

2.7~3.2

2.0~3.0

-

6J40

1.0~2.0

-

39.0~41.0

-

-

margin

-

alloy

Resistivity

Ω·m

Temperature Coefficient

a×10^-6 ℃

Operating temperature

℃

tensile strength       MPa

Elongation%

Melting point

℃

Density

g / cm³

6J8

0.35±0.05

-5~+10

10~80

480~550

11~32

980

8.4

6J12

0.47±0.03

-30~+20

5~45

480~550

11~32

970

8.4

6J13

0.44±0.04

0~+40

10~80

480~550

11~32

960

8.4

6J20

1.05±0.05

0~+70

0~500

670~740

15~30

965

8.4

6J22

1.33±0.07

-20~+20

-50~300

850~1200

5~18

1420

8.1

6J23

1.33±0.07

-20~+20

-60~300

800~950

5~18

1410

8.1

6J40

0.48±0.03

0~+40

0~400

390~450

12~32

1300

8.9