Definition of maraging steel in English:

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maraging steel

Pronunciation: /ˈmärˌājiNG ˌstēl/


A steel alloy, containing up to 25 percent nickel and other metals, strengthened by a process of slow cooling and age hardening.
Example sentences
  • A qualitative description of ductile fracture has already been provided by Cox and Low who studied plastic fracture (fracture under local plastic strain) in AISI 4340 and 18Ni maraging steel.
  • In that respect the substructure of maraging steel (as hardened) differs appreciably from that of aluminum, copper and other alloys which can be quenched without polymorphic change.
  • The Dutch government report found that in 1976, two Dutch firms exported to Pakistan 6,200 unfinished rotor tubes made of superstrong maraging steel.


1960s: maraging from mar- (abbreviation of martensite, because the process involves conversion of austenite to martensite) + aging from the verb age.

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