Reply to "NEW AXLES FROM WILKINSON"

accobraMember

I consulted with my technical advisor Mel and here is his responce:

The solid 4340 forgings should be significantly stronger in yield strength than most cold rolled alloys. EN19 is a British nomenclature that is best equated to 4140 here in the US. In a direct comparison of properly heat-treated metals, the 4340 will have better ultimate and yield strength that the 4140. I would feel fairly comfortable with either one as I suspect the original axles would have been made from a 1018 or 1020 steel, and thus would be significantly weaker than both the 41xx and 43xx series steels. On a personal note, In torque the tube offers greater strength then solid if the steeIs were the same but as we know TORQUE is no the only stress an axle experiences ! I would be curious as to the weight difference between the solid and the bar axles. QUOTE

The flange thickness, the quality of the foriegn steel, the porocity of the steel was of equal value or known ?

Ron

3/14/082:29 PM

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