railway fastener SKL12 type railway fastener rail clip
Product Rail Clip Type E1809,E2006,E2007,E2009 SKL 1,SKL3,SKL 13,SKL 14 Material 60Si2MnA,60Si2CrA,55Si2Mn,38Si7 Hardness For E type clip.HRC 44-48 For SKL type clip.HRC42-47 Fatigue life for Dia.18 is 3 millions cycles without breaking for Dia.20...