Specimen location

Distance from chill end (mm)

No. of grains/inch² (at 500×)

Specimen A

Specimen B

Specimen C

Specimen D

Specimen E

30 (chill end)

126

124

119

72

32

70

64

64

58

38

30

105

64

32

30

32

30

45

32

32

32

30

30

180

32

32

32

30

32

225 (riser end)

44

48

30

30

32