S/N

Heat No.

Weight of charge before alloy (kg)

Ferro Alloy Addition

Total weight of charge after alloy (kg)

Melting time (mins)

Chemical composition from spectrometric result and CastMELT simulation engine

FeSi

Graphite

HCFeMn

McFeMn

HCFeCr

kg

Mins

Chemical Analysis

C

Si

Mn

P

Cr

Ni

1

105,171,212 (NFL)

1605

3

*

3

25

*

1636

175

Before Alloying

1.11

0.64

11.98

0.03

2.64

0.06

After Alloying

1.11

0.78

12.85

0.03

2.64

0.06

CastMELT

1.12

0.68

12.52

0.03

2.59

0.06

CastMELT

1605

0.88

14.206

1620

152

Target Range

0.9 - 1.2

0.6 - 0.8

12.0 - 13.0

0.07

1.5 - 3.0

0.5

2

105,171,211 (NFL)

1980

*

*

10

80

*

2070

260

Before Alloying

1.07

0.86

14.38

0.05

1.54

0.09

After Alloying

1.12

0.84

16.81

0.04

1.75

0.04

CastMELT

1.11

0.85

16.64

0.04

1.5

0.06

CastMELT

1980

*

*

*

77

*

2057

227

Target Range

1.0 - 1.2

0.6 - 0.8

16.0 - 18.0

0.07

1.0 - 2.5

0.5 Max

3

10,517,611 (NFL)

802

7.5

*

10.5

*

*

820

200

Before Alloying

0.27

0.16

0.37

0.02

6.39

0.05

After Alloying

0.34

0.78

1.38

0.04

6.27

0.04

CastMELT

0.283

0.71

1.02

0.02

6.29

0.05

CastMELT

802

6

*

*

7.2

*

815.2

185

Target Range

0.2 - 0.3

0.6 - 1.0

0.8 - 1.5

0.05

6.0 - 8.0

0.05 Max

4

8,517,611 (NFL)

1000

5

*

*

*

10

1015

120

Before Alloying

0.98

0.21

13.03

0.03

1.66

0.03

After Alloying

1.05

0.59

12.89

0.03

1.9

0.03

CastMELT

0.975

0.608

12.96

0.03

1.65

0.03

CastMELT

1000

5.34

*

*

*

*

1005.34

111.69

Target Range

0.9 - 1.2

0.6 - 0.8

12.0 - 13.0

0.07

1.5 - 2.0

0.5

5

185171221 (NFL)

2875

15

*

*

50

*

2940

230

Before Alloying

0.51

0.1

0.35

0.02

0.08

0.03

After Alloying

0.49

0.47

1.6

0.02

0.08

0.03

CastMELT

0.42

0.44

1.61

0.02

0.08

0.02

CastMELT

2875

17.8

*

*

18

*

2911

220

Target Range

0.4 - 0.5

0.55 - 0.7

0.8 - 1.8

0.02

0.1

0.05

6

95171221 (NFL)

2050

14

*

30

*

*

2094

237

Before Alloying

0.06

0.001

0.1

0.02

0.03

0.01

After Alloying

0.39

0.59

1.14

0.02

0.04

0.02

CastMELT

0.45

0.56

0.83

0.02

0.03

0.01

CastMELT

2050

15.4

7

19

*

*

2091

237

Target Range

0.4 - 0.5

0.55 - 0.7

0.8 - 1.8

0.02

0.1

0.05