Materials

Maraging Steel

Ultra-high-strength steel alloys, or maraging steels, are a unique type of low-carbon steel that have comparable ductility while being stronger and tougher than most other steels. The term “maraging” refers to the process by which the steel is strengthened, is formed from the words “martensitic” and “ageing.”

Maraging steel is unique from other steel alloys in that it is toughened by the precipitation of a carefully chosen subset of various intermetallic compounds rather than the presence of carbon. Maraging steel may combine high strength and hardness with a comparatively high degree of ductility because to the lack of carbon and the application of intermetallic precipitation. The process of martensite age-hardening in a martensite matrix in the absence of carbon is where the name “maraging” originates. Maraging steels are often utilized in the aerospace sector as well as in the manufacture of tool parts.

Materials

Maraging Steel

Ultra-high-strength steel alloys, or maraging steels, are a unique type of low-carbon steel that have comparable ductility while being stronger and tougher than most other steels. The term “maraging” refers to the process by which the steel is strengthened, is formed from the words “martensitic” and “ageing.”

Maraging steel is unique from other steel alloys in that it is toughened by the precipitation of a carefully chosen subset of various intermetallic compounds rather than the presence of carbon. Maraging steel may combine high strength and hardness with a comparatively high degree of ductility because to the lack of carbon and the application of intermetallic precipitation. The process of martensite age-hardening in a martensite matrix in the absence of carbon is where the name “maraging” originates. Maraging steels are often utilized in the aerospace sector as well as in the manufacture of tool parts.

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Maraging Steel | 3d print

Manufacturing Process:
Metal 3D Printing (SLM) 

Maraging steel is an alloy with high strength and hardness that contains very little carbon and gets its strength from other alloying elements. Maraging steel 3D printing makes it possible to produce intricate parts that are frequently used in demanding applications found in the aerospace and automotive sectors.

 

Maraging Steel (MS1)

Grade 300 maraging steel is another name for MS1 maraging steel. In comparison to the four commonly used maraging steel alloys, this particular alloy has the second-highest strength and hardness ratings. Gears, rocket motor casings, and tools are a few examples of typical uses.

Maraging Steel (MS1) Properties

Tensile Strength, Yield (MPa) ≥1090
Yield Strength (MPa) ≥1000
Elongation at Break (%) 10
Hardness (Brinell) 311 to 344
Density (g/cm³) 8–8.1

 

3D Printing Technical Specifications

Requirement Specification
Maximum build size 280 x 280 x 350 mm
Standard lead time 3-5 business days
Dimensional accuracy ± 0.1% with a lower limit on ± 0.1 mm
Layer height 100-300 μm

Available Surface Finishes

Standard:  Sand surfaces to remove build lines and bead blasted.

Anodized:  Electrochemical process that converts the metal surface into a decorative, durable, corrosion-resistant, anodic oxide finish

Heat Treated:  Use of heating or chilling, normally to extreme temperatures, to achieve a desired result such as hardening or softening of a material

Polished:  Sand surfaces to remove build lines and then apply polishing compound until desired surface finish is reached.

Metal Plated: Aluminum can be plated with a wide range of metals to increase its corrosion resistance, increase wear resistance, or improve overall aesthetics. Both electroplating and electroless plating are possible. Some common metals include tin, nickel, electroless nickel, gold, and silver.

Powder Coating: Powder coating is a robust option for coloring aluminum sheet metal parts while also adding a measure of corrosion resistance.

Additional post-processing: Includes CNC milling, lathing & EDM

 

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Manufacturing Process:
CNC Machining

Maraging Steel is a popular alloy because of its tough resilience and exceptional strength without compromising ductility. It is also a great alloy for a wide range of components and industries. Applications that are often used include landing gear systems, engine parts, and tools.

Maraging steel, which includes cobalt, molybdenum, and titanium as well as between 15 and 25 percent nickel, gets its strength from the precipitation of intermetallic compounds. Maraging Steel components can withstand extreme heat up to 750°F (400°C) in the majority of applications with just minor softening.

Despite the reliability and durability that this form of magnetic steel offers, Maraging steel is not stainless and will rust and/or corrode after extended or extreme contact with moisture.

 

Manufacturing Process:
Metal Casting

Advantages of Maraging Steel Castings

  • There are virtually no limits to the forms that may be created using maraging steel castings.
  • Many pieces may be integrated into a single part using the proper maraging steel castings design and technique, which helps cut costs by minimizing or eliminating machining, providing assembly, as well as by lowering the number of components in inventory and other related expenses.
  • Flexibility in design. To satisfy your unique requirements, castings provide you a range of alloy alternatives as well as freedom in internal and external configuration. It is occasionally feasible to create parts with net forms that may be utilized straight out of the mold. However, in order to achieve many close tolerances, threads or surface finishes must be machined. VMetal may lessen the need for pricey further operations by choosing the right casting method.
  • No material wasted. The castings made of maraging steel are sized.
  • The most economical way to make complicated or massive parts for prototype numbers up to medium and high production quantities is often through the use of maraging steel castings.

Manufacturing Process:
Sheet Metal Fabrication

 

Maraging Steel Sheet is renowned for being exceptionally strong and robust without sacrificing its ductility.

Maraging Steel 250 (or C250)

An age-hardenable iron-nickel steel alloy with extremely high strength and toughness is called Maraging Steel 250. It is melted as VIM + VAR. Prior to the final heat treatment, it may be readily machined in the annealed form. Its fracture toughness has increased from Maraging 300, but its strength has decreased marginally.

Additionally, it has several other applications, including low temperature tooling, light aircraft landing gear, rocket motor casings, and power shafts. Before the final heat treatment, 18ni300 may be easily machined in the annealed form. Numerous essential aeronautical applications are suitable for it because to its special qualities.

Maraging Steel MS1

The counterpart of M300 maraging steels is Ms1 maraging steel. Its martensite ageing, which is enhanced by heat treatment, transmits strength. When ultra-high strength is required, it can be used for die casting tools, injection molding tool inserts, and substrate components for F1 engines. Vascomax 250 is a robust nickel alloy with exceptional ductility, which makes it simple to machine and mold. It is easily weldable and resists corrosion from industrial environments and seawater.

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