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1045 rockwell test

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A week or so ago i posted pics of a sword i made out of c1045 and quenched it in the gunters super quench. I had a cutting from the same piece of steel, i ground it down to the same thickness as the blade when i had quenched it. I then nomalized the blade, clayed it like the katana and quenched it. the only difference was the amount of clay i used. It was a little thinner on the cutting, than the katana blade. The place where i work has a rockwell tester and they tested it for me, the numbers are rc60 on the edge and the clay part on the spine was rc54. On the katana i did i suspect the number on the clay coating was lower because the clay was thicker. I forgot to mention after the quench i tempered the blades for half an hour at 350 f .

"One who is samurai must before all things" Keep constantly in mind, by day and by night. the fact that he has to die...


-Dai Doji Yuzon-

16th Century



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WOW, that is awesome.

Let not the swords of good and free men be reforged into plowshares, but may they rest in a place of honor; ready, well oiled and God willing unused. For if the price of peace becomes licking the boots of tyrants, then "To Arms!" I say, and may the fortunes of war smile upon patriots

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How much carbon there is in 1045?



You can tell from the name - for AISI steels, they are in 4 digits - like 1045, or 4160. The first two digits indicate the alloying elements - the last 2 digits indicate carbon content. So, for a 1045 steel, there is 0.45 carbon, and for a 4160 steel, there is 0.60% carbon.



For a description of the quench, I suggest you review the attached PDF file. It is essentiall a very fast quench, with a series of surfactancts and salt.


Edited by kb0fhp

D. Scott MacKenzie, PhD

Heat Treating (Aluminum and Steel)

Quenching (Water, Polymer, Oil, Salt and Mar-Tempering)

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