- 2017-01-25 11:07:52·A470 Grade E Class 9
- 2017-01-25 10:56:29·A470 Grade D Class 8
- 2017-01-25 10:45:36·A470 Grade C Class 7
- 2017-01-24 08:54:06·A470 Grade C Class 6
- 2017-01-23 13:42:07·A470 Grade B Class 5
- 2017-01-23 13:39:30·A470 Grade B Class 4
- 2017-01-22 09:21:43·A470 Grade B Class 3
- 2017-01-22 09:13:30·ASTM A470 Grade A
