Application Segments


Melting Route


Product Description

BÖHLER V250 is a premium aircraft-quality, maraging alloy steel in the form of bars, forgings and stock for forging.

In contrast to heat treatable steels its outstanding tensile properties are not due to a hardened structure with relatively high carbon content, but to precipitation of intermetallic phases from a ductile nickel bearing matrix containing almost no carbon. 

These products have been used typically for parts requiring through hardening, without quenching, to a minimum yield strength of 247 ksi (1700 MPa) and where such parts may require welding during fabrication, but usage is not limited to such applications. E.g highly stressed components for the aircraft and rocket industries.

Technical Specifications

Material Numbers

Maraging 250 1.6359 X2NiCoMo18-8-5



Chemical Composition

Chemical composition (average %)
max. 0.010 max. 0.10 max. 0.10 max. 0.010 max. 0.010 max. 0.25 4.6 to 5.2 17.0 to 19.0 7.0 to 8.5 0.30 to 0.60 0.05 to 0.15 max. 0.005 max. 0.05 max. 0.02


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