MARAGING 250 STEEL - AMS 6512

MARAGING 250 STEEL

Maraging 250 is an 18% nickel, cobalt strengthened steel. It is a very high strength material reaching 1800 MPa after heat treatment, has very good toughness with excellent transverse properties. It is produced by Vacuum Induction Melting (VIM) followed by Vacuum Arc Remelting (VAR).

Specific Gravity

8.02 g/cm3

Typical Applications

Related Specifications

Driveshafts

Gears

Fasteners

Landing and Takeoff gear

Missile and ejector systems

AMS 6512

BS S162

DTD 5212

G110

Mil-S-46850D

W.Nr 1.6359

Chemical Composition (Wt %)

	C	Si	Mn	P	S	Al	B	Ca	Co	Cr	Mo	Ni	Ti	Zr	Cu	Fe
Min	–	–	–	–	–	0.05	–	–	7.0	–	4.6	17.0	0.30	–	–	Bal
Max	0.03	0.10	0.10	0.010	0.15	0.005	0.005	0.05	8.5	0.5	5.2	19.00	0.50	0.02	0.05	–

Typical Mechanical Properties after heat treatment

	0.2% Proof Stress	Tensile Strength		Elongation	Reduction of area	Impacts
	MPA	MPA		%	%	(Izod)
	Min	Min	Max	Min	Mon	ft lbf
Longitudinal	1700	1800	2000	8	40	18
Transverse	1700	1800	2000	5	25	8

Hardness after Heat Treatment

520-620 HV

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