52100

Etymology
Coined by the U.S.  and  committee in 1919, replacing the earlier designation 52-95; being a 52-series iron alloy (steel).

Noun

 * 1)  A common  metal, also used for, . A   ; typically containing 1.0%  and 1.5% , with low  (0.25%) and  (0.35%).

Translations

 * French: 100C6, AFNOR 100C6
 * German: 1.3505, DIN 1.3505, DIN 100Cr6, 100Cr6
 * Italian: 100Cr6, UNI 100Cr6