Patent ID: 6372057
Filing Date: 2002-04-16
Classification: C21D,C22C

Abstract:
A railway wheel comprising a rim, a hub, and a connecting plate between said rim and said hub, wherein at least the wheel rim is composed of a composition consisting of:0.40 to 0.77 wt. % carbon, 0.25 to 0.60 wt. % silicon, 0.40 to 1.20 wt. % manganese, 0.003 to 0.060 wt. % aluminum, 0.0005 to 0.0030 wt. % oxygen, 0.005 to 0.030 wt. % phosphorus, 0.005 to 0.030 wt. % sulfur, 0.01 to 0.15 wt. % nickel, 0.03 to 0.35 wt. % chromium, 0.0015 to 0.0150 wt. % nitrogen, and inevitable inpurities and balance iron.