... to 5800mm Materials: jis scm440,sae 4140,aisi 4140,42crmo, scm435,4135,35crmo,13crmo44, 12cr1mov ,15crmo,scm415,16crmo44, 42crmo4 etc.delivery condition ... steel,including stainless steel, tool steel, die steel,bearing steel,etc. And in shapes, we provide steel round bar, steel square bar,steel flat bar, steel plate, steel sheet, steel coil, steel ...