No

Dia

(mm)

Name

chemcial composition (wt ,%)

powder weight

g/m

wire weight

g/m

Using

Mg

Si

Ca

Re

Zr

Sr

Al

Ba

1

9

Mg

91

70

150

For nodularization

2

9

Mg

94

70

150

5

13

Mg-Si

≥20

42∼50

2∼3

0∼2

250±10

390±15

For nodularization

6

13

Mg-Si

≥25

40∼48

2∼3

0∼2

245±

385±15

7

13

Mg-Si

≥30

38∼46

2∼3

0∼2

240±10

380±15

8

13

Mg-Si

≥40

34∼42

2∼3

230±10

370±15

9

9

Si-Zr

≥73

2.4∼2.6

1.8∼2.0

110±10

200±10

For inoculation

10

9

Si-Sr

≥73

≤0.3

0.9∼1.1

≤0.5

110±10

210±10

11

13

Re-Mg

≥4

42∼45

2∼3

22∼24

2.5∼3.5

295±10

435±10

For vermicularization

12

13

Re-Mg

≥7

40∼42

2∼3

22∼24

2.5∼3.5

290±10

430±10

13

Si-Ca

55∼60

≥28

210±10

350±15

For refining and deoxidization

Si--Ca- Ba

≥50

≥13

≥13

210±10

350±15

Al

≥99

200±10