Road Bike Parts For Sale

Tempering carbon steel and alloy steel, hardness question?

First I have mixed values, so I'm not sure either plain carbon steel or alloy steel. So my question is, to measure the hardness of the bar Jominy, the results were either same. the hardness values of between 54 and 57 througout the length of the bar. Why is this the case? Normally you can expect the hardness to decrease as you go further from the quenched end.

Assuming that the bar has been disabled Jominy correctly, the bar should be of steel ally. There is no way a plain carbon steel, no matter how high the carbon content, can get up to 57 Rockwell C without tempered. But for an alloy of good, it would not be unreasonable to see little or no decrease in hardness. There are classes that are made of steel to be cooled air and cured. Even the 4140 standard may have a hardness above 40 C on the extent J32.

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