No. | Grey scale | Temperature/˚C | No. | Grey scale | Temperature/˚C |
1 | 235 - 230 | 1315 | 9 | 160 - 150 | 1102 |
2 | 230 - 220 | 1271 | 10 | 150 - 140 | 1075 |
3 | 220 - 210 | 1247 | 11 | 140 - 130 | 1050 |
4 | 210 - 200 | 1223 | 12 | 130 - 120 | 1027 |
5 | 200 - 190 | 1199 | 13 | 120 - 110 | 1002 |
6 | 190 - 180 | 1176 | 14 | 110 - 100 | 986 |
7 | 180 - 170 | 1146 | 15 | 100 - 90 | 963 |
8 | 170 - 160 | 1124 | 16 | 90 - 80 | 930 |