50CrMoV13-15 / 1.2357 Tool Steel

Steel circle delivery form 1.2357 / 5Kh3SM2Ф

Steel 1.2357 / 5Х3СМ2Ф / 50CrMoV13-14: Properties, Applications, and Features

✅ General Technical Characteristics

Steel 1.2357 (5Х3СМ2Ф, 50CrMoV13-14), also known as AISI S7, is a high-quality tool steel renowned for its exceptional toughness, hardness, and wear resistance. It exhibits excellent hardenability and dimensional stability after heat treatment, making it ideal for manufacturing tools that operate under high mechanical and thermal loads.

Key Characteristics:

• High hardness after quenching.
• Excellent wear and abrasion resistance.
• Good hardenability.
• Dimensional stability post heat treatment.
• Resistance to deformation at elevated temperatures.

🔬 Chemical Composition (%):

• Carbon (C): 0.50
• Silicon (Si): 0.50
• Manganese (Mn): 0.70
• Chromium (Cr): 3.25
• Molybdenum (Mo): 1.50
• Vanadium (V): 0.25

This composition provides the steel with high hardness, wear resistance, and moderate corrosion resistance.

🏭 Applications

Due to its outstanding properties, 1.2357 steel is widely used in the production of tools and components subjected to high mechanical and thermal stresses.

Primary Application Areas:

• Manufacturing of dies for hot and cold stamping.
• Cutting tools such as knives and blades.
• Press molds for casting plastics and metals.
• Shafts and gears operating under high loads.
• Other tools requiring high wear resistance and strength.

📊 Mechanical Properties

• Hardness after quenching and tempering: 58–62 HRC
• Tensile strength (σ_u): over 2000 MPa
• Yield strength (σ_y): approximately 1800 MPa
• Elongation (δ₅): 10–12%
• Impact toughness (KCU): around 30 J/cm²

These properties make 1.2357 steel suitable for use under high mechanical and thermal loads.

⭐ Features

• High wear resistance: Ensures a prolonged service life of tools and components.
• Moderate corrosion resistance: Due to its chromium content, the steel offers some resistance to corrosion.
• Good machinability: The steel is amenable to mechanical processing and polishing.
• Dimensional stability: Minimal deformation after heat treatment ensures precision in component manufacturing.
• Resistance to elevated temperatures: Maintains its mechanical properties at higher temperatures, crucial for tools operating under heat.

1.2357 steel is an optimal choice for producing tools and components that require high strength, wear resistance, and dimensional stability when operating under high loads.