- 2017-01-25 11:07:52·A470 Grade E Class 9
- 2026-02-12 11:26:00·A470 Grade D Class 8
- 2025-02-28 15:45:00·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
- 2025-05-12 13:30:00·A470 Grade B Class 4
- 2026-09-24 13:47:00·ASTM A470 type B CL3
- 2026-02-12 14:01:00·ASTM A470 Grade A
