US Marine Corps Forces Central Command (MARCENT) US Marine Forces Central Command (MARFORCENT) US Marine Corps Forces Central Command (MARCENT) is designated as the Marine Corps service component for US Central Command (CENTCOM). MARCENT is responsible for all Marine Corps forces in the CENTCOM area of responsibility.
Aluminium carbide, chemical formula Al 4 C 3, is a carbide of aluminium.
The following formula is a break down in the steel: Around 13% chromium and 3% carbon. It has a HRC of 52-55 making it relatively soft. 5CR13: A Chinese Stainless steel that is similar in quality to 420HC (AUS 6) stainless steel. The following formula is a break down in the steel: Around 13% chromium and 5% carbon.