sae 8620 round bars
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ASTM8620 Steel Round Bar
AISI 8620 Steel is a low alloy nickel, chromium, molybdenum case hardening steel, generally supplied in the as rolled condition with a maximum hardness max HB 255. It is commonly supplied in 8620 round bar. It is flexible during hardening treatments, thus enabling improvement of case/core properties. Pre hardened and tempered (uncarburized) 8620 can be further surface hardened by nitriding. However, it will not respond satisfactorily to flame or induction hardening due to its low carbon content.
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