X55CrMo14 / 1.4110 Stainless Steel

Stainless steel 1.4110 / X55CrMo14: Reliability and high wear resistance

General technical characteristics
Stainless steel grade 1.4110 (X55CrMo14) is a martensitic tool steel with a high chromium content. This material is distinguished by exceptional hardness, excellent wear resistance, and good corrosion resistance. Steel 1.4110 belongs to the category of high-quality tool steels, intended for the manufacture of cutting tools and parts with increased wear resistance requirements.

Chemical composition

The chemical composition of steel 1.4110 includes:

• Chromium (Cr): 13-15%
• Molybdenum (Mo): 0.5-0.8%
• Carbon (C): 0.48-0.60%
• Silicon (Si): up to 1.0%
• Manganese (Mn): up to 1.0%
• Phosphorus (P): up to 0.04%
• Sulfur (S): up to 0.03%

The high chromium content provides excellent corrosion resistance, while molybdenum improves hardenability and wear resistance.

Mechanical properties

Main mechanical characteristics:

• Hardness after hardening: 56-58 HRC
• Tensile strength: 750-850 MPa
• Yield strength: 450-500 MPa
• Elongation: 12-15%
• Impact toughness: 20-25 J/cm²

After heat treatment, steel demonstrates high hardness and strength while maintaining sufficient toughness.

Applications
Steel 1.4110 is widely used in the production of:

• Cutting tools
• Knives of various purposes
• Surgical instruments
• Molds for plastics
• Rolling bearings
• Measuring instruments
• Machine parts operating under high wear conditions

Material characteristics

Key advantages of steel 1.4110:

• High wear resistance
• Excellent corrosion resistance
• Good hardenability
• Dimensional stability during heat treatment
• Good polishability
• Satisfactory machinability in the annealed state

The material retains its properties at temperatures up to 400°C, making it ideal for applications under moderate thermal loads.

Heat treatment

Optimal heat treatment regimes:

• Annealing: 750-800°C
• Hardening: 1020-1080°C
• Tempering: 150-300°C

Conclusion
Stainless steel 1.4110 / X55CrMo14 is a high-tech material that combines excellent wear resistance, high hardness, and good corrosion resistance. These characteristics make it an ideal choice for the production of cutting tools and parts operating under intense wear conditions.

Supply Forms of Steel Products EN 1.4110 / X55CrMo14