Maraging Steel MS1Ultra-High Strength Steel for Precision Tooling
EOS Maraging Steel MS1 is a premium grade tool steel with 18% nickel content, designed for applications requiring exceptional strength, hardness, and dimensional stability. This material achieves superior mechanical properties through precipitation hardening, making it ideal for injection molding tools, mechanical engineering components, and precision manufacturing applications.
Quick Specifications
Advanced Materials
Ultra-High Strength Tool Steel
Maraging Steel MS1 is a ultra-high strength steel with exceptional hardness and dimensional stability achieved through precipitation hardening. With its 18% nickel content and low carbon composition, it delivers superior mechanical properties ideal for precision tooling applications. The material can be easily machined in the as-built state and heat treated to achieve hardness levels exceeding 54 HRC, making it perfect for injection molding tools, mechanical engineering components, and high-performance manufacturing applications.
Critical Applications
From mission-critical aerospace components to precision medical implants, Maraging Steel MS1 delivers unmatched performance in the most demanding applications. Its exceptional exceptional hardness up to 54+ hrc after heat treatment, superior dimensional stability during aging process, excellent machinability in both as-built and heat-treated states make it essential for applications where failure is not an option.
Injection Molding Tools
Complex mold inserts and tooling components with superior wear resistance and dimensional stability
Mechanical Engineering
High-strength components for demanding mechanical applications requiring precision and durability
Precision Tooling
Custom cutting tools, dies, and fixtures with exceptional hardness and edge retention
Aerospace Tooling
Specialized manufacturing tools and jigs for aerospace component production
Automotive Tooling
Production tooling for automotive manufacturing with high-volume durability requirements
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Technical Datasheet
Advanced Manufacturing
Built with Precision DMLS Technology
Maraging Steel MS1 is manufactured using Direct Metal Laser Sintering (DMLS) technology, providing unmatched strength and precision for mission-critical applications.
Industrial-grade DMLS technology delivers exceptional strength and precision for Maraging Steel MS1 production. Our advanced metal powder fusion process ensures optimal mechanical properties and surface quality.
- Layer Height: 0.02 - 0.08 mm. Fine layer resolution delivers smooth surface finish and precise feature definition.
- Tolerance: ± 0.1% (min ± 0.1 mm). Consistent dimensional accuracy across complex geometries and thin-wall features.
- Build Volume: 250 × 250 × 325 mm. Large production capacity enables efficient manufacturing of multiple parts or assemblies.
Technical Data
Mechanical Properties
Maraging Steel MS1 exhibits excellent mechanical properties, making it ideal for functional prototypes and end-use parts that need to meet demanding performance requirements in tooling & manufacturing and aerospace applications.
Technical Specifications
| Measurement | Value | Standard |
|---|---|---|
| Tensile Strength (Heat Treated) | 2080 MPa | ISO/ASTM |
| Yield Strength (Heat Treated) | 2000 MPa | ISO/ASTM |
| Elongation at Break | 4 % | ISO/ASTM |
| Hardness (As-Built) | 32-37 HRC | ISO/ASTM |
| Hardness (Heat Treated) | 54+ HRC | ISO/ASTM |
| Elastic Modulus | 190 GPa | ISO/ASTM |
| Impact Strength | 25 J | ISO/ASTM |
Performance Characteristics
Maraging Steel MS1 delivers exceptional mechanical performance with high strength-to-weight ratio for optimized designs, effectively handling demanding load conditions. Its balanced mechanical profile allows it to maintain structural integrity while preventing brittleness in critical applications.
These qualities make it well-suited for injection molding tools and inserts, precision cutting tools and dies, aerospace manufacturing tooling, providing long-term durability in demanding environments. Maraging Steel MS1 maintains dimensional stability over time, ensuring consistent performance across temperature and stress variations.
This makes it a reliable choice for applications requiring precise geometries and tight tolerances across tooling & manufacturing, aerospace, automotive industries. Its versatility and durability allow it to perform consistently across a wide range of mechanical applications, ensuring parts maintain their integrity under repetitive stress and environmental conditions.
Key Strengths
Ideal Applications
Design Considerations
Technical Data
Thermal Properties
Maraging Steel MS1 exhibits exceptional thermal stability and outstanding performance in demanding thermal environments.
Technical Specifications
| Property | Value | Standard |
|---|---|---|
| Aging Temperature | 490 °C | ISO/ASTM |
| Aging Time | 6 hours | ISO/ASTM |
| Solution Annealing | 940 °C | ISO/ASTM |
| Thermal Conductivity | 20 W/m·K | ISO/ASTM |
| Coefficient of Thermal Expansion | 11.2 × 10⁻⁶ /K | ISO/ASTM |
Thermal Performance
Maraging Steel MS1's thermal properties ensure minimal dimensional deviation under fluctuating thermal conditions, making it highly suitable for applications requiring tight tolerances and structural integrity at elevated temperatures. Maraging Steel MS1 maintains consistent mechanical performance even in thermally and environmentally variable conditions across tooling & manufacturing and aerospace and automotive and medical device and industrial equipment and defense applications.
Its thermal conductivity and insulating properties make it an excellent candidate for electronic enclosures, protective housings, and thermal management applications. Maraging Steel MS1 resists thermal fatigue and creep deformation, particularly in cyclic thermal loading environments.
Prolonged exposure to temperatures approaching its upper limit may lead to gradual material degradation. In applications requiring sustained operation in high-temperature environments, consult with our engineering team for material recommendations and design guidelines.
Resources
Operating Range
Thermal Benefits
Thermal Applications
Thermal Considerations
Technical Data
Electrical Properties
Electrical property data for Maraging Steel MS1 is not currently available in our database.
Technical Specifications
| Property | Standard | Unit | Value |
|---|---|---|---|
| Electrical property data not available for this material. Contact our engineering team for specific electrical testing requirements. | |||
Electrical Performance
Electrical property data for Maraging Steel MS1 is not currently available in our database. This material may not have been specifically tested for electrical applications, or the data may be available upon request.
If you require electrical performance data for your application, please contact our engineering team who can provide guidance on testing requirements and material suitability.
Resources
Electrical Applications
Electrical Considerations
Technical Data
Chemical Properties
Chemical compatibility data for Maraging Steel MS1 is available upon request.
Chemical Compatibility Chart
| Chemical | Type | Compatibility |
|---|---|---|
| Chemical compatibility data available upon request. Contact our engineering team for specific chemical resistance information. | ||
Chemical Performance
Chemical compatibility data for Maraging Steel MS1 is not currently available in our standard database. This material may not have been specifically tested for chemical resistance, or the data may be available upon request.
If your application involves exposure to chemicals, solvents, or other aggressive substances, please contact our engineering team who can provide guidance on material suitability and testing requirements.
We can arrange for application-specific chemical testing to ensure Maraging Steel MS1 meets your performance requirements in chemically challenging environments.
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Resistance Categories
Chemical Considerations
Design Considerations
Technical Data
Biocompatibility & Compliance
Maraging Steel MS1 is biocompatible, meeting USP Class VI and ISO 10993 standards, making it safe for short-term contact with skin and mucosal membranes.
Compliance Standards
| Property | Compliance | Standard/Regulation |
|---|---|---|
| ASTM A538 | Yes | Standard specification for pressure vessel plates, alloy steel, precipitation-hardening (maraging), nickel alloy |
| AMS 6514 | Yes | Aerospace material specification for maraging steel bars, forgings, and rings |
| DIN 1.2709 | Yes | German standard for maraging steel X3NiCoMoTi 18-9-5 |
| ISO 4957 | Yes | Tool steels specification including maraging steel grades |
Compliance Resources
Medical Applications
Material Datasheets
Download comprehensive technical documentation for Maraging Steel MS1, including safety data, compliance certificates, and design guidelines.
Technical Datasheets
Compliance Certificates
Design Resources
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