Table 4.
Hardness of each province (N/mm
2
)
Province
Goseong-gun
Hongcheon-gun
Bonghwa-gun
Position
Cross section
39.15 ± 8.40 B
*
39.68 ± 5.14 B
53.68 ± 10.33 A
Radial section
19.05 ± 9.13 a
15.03 ± 2.74 b
16.94 ± 2.95 ab
Tangential section
20.61 ± 7.06 α
14.15 ± 3.00 β
18.84 ± 10.33 β
Duncan's, significance level: 0.05, ±: standard deviation. Cross section = Capital letter, Radial section = Small letter, Tangential section = Greek