Number

Temperature (˚C)

N0

N1

N3

N5

25

16.0

15.9

16.3

16.1

300

13.3

12.9

13.8

13.7

440

9.2

9.1

9.6

9.2

500

7.2

6.6

7.6

7.4

580

6.2

6.2

6.5

6.2

800

4.1

4.0

4.2

4.1

1000

1.4

1.2

1.6

1.5