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Maraging Steel 250 / C250 (AMS 6512 / BS S162)


Technical Data Sheet

 

Chemical Composition Limits
Weight% Ni Co Mn Si C Al Mo S P Ti Fe Cr Cu
C250 17.0 / 19.0 7.0 / 8.5 0.10 max 0.10 max 0.03 max 0.05 / 0.15 4.6 / 5.2 0.010 max 0.010 max 0.3 / 0.5 Bal 0.50 0.50

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. C250 is used for missile and ejector systems, slat tracks and drive shafts.

Typical 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 ‚Č• 48 HRC

Availability
Maraging 250 is available in Bar, Billet and Forging stock. For all stock availability contact Sales.

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

Services
At Aircraft Materials we specialise in the rapid turn-around of orders, with most stock items ready for shipping out the same day to anywhere in the world. For time-critical orders, such as AOGs use our AOG service desk (aog@aircraftmaterials.com), the team are dedicated to processing and dispatching orders on the same day, even for cutting orders on bar and sheet products.

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Disclaimer
Every effort is made to ensure that technical specifications are accurate. However, technical specifications included herein should be used as a guideline only. All specifications are subject to change without notice.