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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 all stock items can be shipped out within 24 hours, usually within the same day. Even cutting orders for bar or sheet can be processed and dispatched the same day, and for time-critical situations such as AOGs, we have a dedicated AOG service desk ready to help (aog@aircraftmaterials.com).

Thanks to our global logistics network we can source from anywhere in the world in just a few days. We use a range of transport partners to enable us to ship overnight within the U.K. and Europe and provide fast shipping solutions to the rest of the world. If your requirement is urgent we can offer a priority shipping service, but also if time is not so critical we can offer more cost-effective options to ensure you get the best value for money. To find out more about our services click here.

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.

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