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Maraging Steel 300/ C300 (AMS 6514, AMS 6521)


Technical Data Sheet

Chemical Composition Limits
Weight% C Si Mn S P Co Ni Mo Ti Al Fe
Maraging 300 0.03 max 0.10 max 0.10 max 0.010 max 0.010 max 8.0-9.5 18.0-19.0 4.6-5.2 0.55-0.80 0.05-0.15 Bal

Maraging 300 is an age hardenable (maraging) iron nickel stainless steel. Maraging 300 has exceptional strength, toughness and is resistant to crack propagation. Maraging 300 is used for tooling, transmission shafts, autosport components and light aircraft landing gear.

Typical Mechanical Properties

Material 0.2 % Yield Strength ksi Ultimate Tensile Strength ksi Elongation in 4D(%) Reduction of Area % Hardness Rc
Maraging 300, Solution Annealed 1500° F (816°C), 1hr, AC 120 150 16 70 30
Solution Annealed Plus Aged 900 ° F (482°C), 3 hrs AC 280 290 8 40 52

Availability
Maraging 300 is available in Bar (Rounds), Forging Billet. For all stock availability contact Sales.

Specifications
UNS K93120
ASTM A579
AMS 6514 - Bar
SAE AMS 6514 and AMS 6521 (UNS K93160) - Sheet, Strip, Plate
MIL S 46850, MIL S 13881
Werkstoff Nr. 1.6358 and 1.6354
Also known as Type 300, Maraging 300, C300
Vdimor 300
Vascomax C300

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.