- Welcome to longhai special steel.
- 17-4PH
- 2012-10-19 19:00:22·1.7149, DIN 20MnCrS5, AISI 4820
- 2012-10-19 18:54:36·1.7139, DIN 16MnCrS5, SAE 5117
- 2012-10-19 14:22:01·1.3344, DIN S5-5-3, AISI M3:2
- 2012-10-19 14:11:47·11.3343, DIN S5-5-2, AISI M2
- 2012-10-18 21:07:23·AISI S5