- steel plate 4175
- 2017-01-17 16:49
- 1)high hardness, red hardness2)being hard to overheat when quenching3)wide range of hot treatment
- h21/1.2567/skd5 alloy tool steel
- 2017-01-17 16:48
- 1.10-year professional experience2.EAF/ESR+Forged+Annealed+Polished/Machined3.UT: En1921C/c4.Accept small order