narcoa - north american railcar operators association axle failures.pdf · steel, specifically aisi...

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Page 1: NARCOA - North American Railcar Operators Association Axle Failures.pdf · steel, specifically AISI 4340, hardened to 38 to 40 Rc. There are problems with each solution. We can main-
Page 2: NARCOA - North American Railcar Operators Association Axle Failures.pdf · steel, specifically AISI 4340, hardened to 38 to 40 Rc. There are problems with each solution. We can main-
Page 3: NARCOA - North American Railcar Operators Association Axle Failures.pdf · steel, specifically AISI 4340, hardened to 38 to 40 Rc. There are problems with each solution. We can main-
Page 4: NARCOA - North American Railcar Operators Association Axle Failures.pdf · steel, specifically AISI 4340, hardened to 38 to 40 Rc. There are problems with each solution. We can main-