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Maraging 300

Get to Know Maraging 300 Steel – The Next Generation of High-Strength Alloys.

Get to Know Maraging 300 Steel: The Next Generation of High-Strength Alloys.

Maraging 300 is a type of steel that is known for its exceptional strength, toughness, and resistance to fatigue. It is a precipitation-hardening steel, which means that it gains strength as a result of heat treatment. The name “maraging” is derived from the French term “martensite age-hardening.”

Maraging steel has a combination of iron, nickel, cobalt, and molybdenum. It is a low-carbon steel, with a maximum carbon content of 0.03%. This gives it excellent weldability and machinability, making it a popular choice for a wide range of applications.

One of the most notable properties of Maraging steel is its exceptional strength. It has a tensile strength of up to 2,000 MPa, which is roughly four times that of conventional carbon steels. This makes it an ideal material for applications that require high strength, such as aircraft components, rocket motor casings, and high-performance sports equipment.

In addition to its strength, Maraging 300 steel is also highly resistant to fatigue. This means that it can withstand repeated loading and unloading without undergoing significant damage. This property makes it an excellent choice for applications that require durability, such as aerospace and defense applications.

Maraging steel is also known for its excellent corrosion resistance, which makes it an ideal material for use in harsh environments. It is also highly resistant to hydrogen embrittlement, which makes it an excellent choice for use in fuel cell applications.

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The Reliable Maraging Steel Supplier

Advanced Grinding Services offers the ideal steel for your business or latest venture. If you’re in need of the finest maraging steel round bar stock that’s forged in the industry, you’ll be pleased to know that Advanced Grinding can provide you with just that. We understand the importance of supplying our clients with quality metal, which is precisely why you can trust us to supply you with top-tier, high-quality metals. Contact us today at Advanced Grinding, and we’ll provide you with a quote for the alloy you require. Our robust materials will ensure that you’re prepared to tackle any project you face.

Suppliers of 300-Maraging-Steel are a vital component of the supply chain for this metal. They supply raw materials to manufacturers so that they can produce high-quality products. Therefore, it’s critical to choose the best maraging 300 supplier, and that’s where Advanced Grinding Services comes in. Choose us as your trusted supplier for high-quality metals.


As such, it is now understandable why this type of alloy steel is sought after getting a quick review of its components.

Consequently, its high machinability is highlighted as it is commonly combined with sulfur to further improve its machinability and make carburizing processes more effective.

With its excellent machinability, this even elevated this alloy steel’s prominence among industries.

Fortunately, Advance Grinding Services never runs out of 4140 alloy steel bars and can very much supply your needs especially if you are operating in the Illinois area!


Density 7.7-8.0
Tensile Strength 95000 psi
Yield Strength 60200 psi
Hardness (Brinell) 197
Hardness (Knoop) 219
Hardness (Rockwell) 92
Hardness (Vickers) 207
Machinability 65

Applications of Maraging 300 Steel in Aerospace, Defense, and Other Industries

Maraging 300 steel is a type of high-strength, low-alloy steel that is used in a variety of applications due to its unique properties. The steel is made from a combination of nickel, cobalt, molybdenum, titanium, aluminum, and carbon, which creates a material that is exceptionally strong, durable, and resistant to corrosion. Here are some of the applications of Maraging steel in aerospace, defense, and other industries:

  1. Aerospace Industry: Maraging 300 is popular in the aerospace industry due to its high strength-to-weight ratio and excellent fatigue resistance. It is used in critical aerospace components such as rocket motor cases, landing gear, and structural components for aircraft.

  2. Defense Industry: The high strength and toughness of Maraging steel make it an ideal material for military applications. It is commonly used in armored vehicles, armor-piercing projectiles, and missile components.

  3. Medical Industry: Maraging 300 is useful in medical equipment due to its biocompatibility and high strength. It is used in surgical instruments, implants, and medical tools that require high strength and durability.

  4. Oil and Gas Industry: This steel is helpful in the oil and gas industry due to its resistance to corrosion and high pressure. It is commonly used in downhole drilling tools, subsurface safety valves, and other critical components.

  5. Sports Industry: Maraging steel is valuable in the sports industry due to its high strength and durability. It is used in golf club heads, tennis rackets, and more.

Whatever industry you are from, rest assured that Advance Grinding Services can provide you with a Maraging steel round bar stock for all your specific industry applications.

Give us a call or simply request a quote from our website and acquire a high-quality Maraging steel round bar stock today!