Maraging 250 bar, Maraging 250 round bar, Maraging 250 rod

Short Description:

Alloy 250/UNS K92890 / Maraging 250/UNS K92940
Alloy 250 (UNS K92890 / Maraging 250) is an age-hardenable iron-nickel steel. Alloy 250 combines ultra-high strength (1800MPa), good toughness, readily machinable in pre-aged condition, excellent transverse properties and resistance to crack propagation.
Maraging 250 (also referred to as Maraging C250 and Vascomax 250) is a vacuum induction melted and vacuum arc melted, low-carbon, nickel-cobalt-molybdenum high temperature alloy. This maraging steel can attain yield strengths in excess of 240 ksi (1655 MPa) through a simple, low temperature heat treatment. Maraging 250 exhibits good ductility at high strength levels and is readily welded.

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Product Detail

Product Tags

Specifications

▪ UNS K92890
▪ AMS 6512 Bar and Forging Stock
▪ Werkstoff Nr. 1.6359
▪ MIL-S-46850
▪ BS S162
▪ DTD 5212
▪ MSRR 6551
▪ MAT 102
▪ MIA 101
▪ Udimar 250
▪ Vascomax C250

Maraging 250 (Vascomax 250) Applications

▪ Missile & rocket motor cases
▪ Munitions
▪ Landing gear components
▪ Aerospace
▪ Extrusion tooling
▪ Die casting
▪ High performance shafting, gears & fasteners

Chemical Composition

Iron, Fe	68
Nickel, Ni	18.5
Cobalt, Co	7.5
Molybdenum, Mo	4.8
Titanium, Ti	0.4
Aluminum, Al	0.1
Silicon, Si	≤ 0.10
Manganese, Mn	≤ 0.10
Carbon, C	≤ 0.030
Phosphorous, P	≤ 0.010
Sulfur, S	≤ 0.010
Zirconium, Zr	0.01
Boron, B	0.003

Mechanical Properties

Material	Condition	Ultimate Tensile (min)		Yield Strength (Min)		Elongation in 4D % (min)	Hardness
		Mpa	Ksi	Mpa	Ksi
Alloy Maraging C250	After Maraging heat treatment 900°F	1758	255	1724	250	6	≥ 48 HRC