Steel circle 1.2764 / 18X2H4MA

Steel Round Bar 1.2764 (X19NiCrMo4 / 18Х2Н4МА)

Steel round bar 1.2764, also known as X19NiCrMo4 and 18Х2Н4МА, is a high-quality material widely used in the production of tools for cold and hot stamping. This steel is characterized by high strength, wear resistance, and impact load resistance, making it an ideal choice for demanding applications in mechanical engineering and metalworking.

General Technical Characteristics

Steel round bar 1.2764 possesses excellent performance properties, ensuring its durability and reliability in working conditions.

• Hardness after heat treatment: 50-55 HRC
• Tensile strength: 1900-2100 MPa
• Operating temperature: up to 300°C

Applications of Steel 1.2764

The X19NiCrMo4 steel round bar is widely used in the following fields:

• Manufacturing of molds for cold and hot stamping.
• Production of tools for die casting.
• Manufacturing of cutting tools that operate under high loads.
• Application in mechanical engineering for parts that require high impact and wear resistance.

This steel is an optimal choice for manufacturing tools that must withstand intensive loads and have a long service life.

Key Features of Steel 1.2764

Steel round bar 18Х2Н4МА has several advantages, making it popular among manufacturers:

• High strength – ability to withstand significant mechanical loads.
• Wear resistance – high resistance to abrasive wear.
• Impact toughness – ability to absorb impact loads without destruction.
• Ease of heat treatment – the steel responds well to hardening and tempering, allowing it to achieve the required operational properties.

Chemical Composition of Steel 1.2764

The chemical composition of X19NiCrMo4 steel provides its high-performance characteristics. Key components:

• Carbon (C): 0.16-0.20%
• Chromium (Cr): 1.50-1.80%
• Nickel (Ni): 3.80-4.30%
• Molybdenum (Mo): 0.20-0.30%
• Manganese (Mn): 0.30-0.60%
• Silicon (Si): 0.10-0.40%

This composition ensures high strength, corrosion resistance, and wear resistance.

Mechanical Properties of X19NiCrMo4 Steel

The mechanical properties of 18Х2Н4МА steel make it an ideal material for tool manufacturing:

• Yield strength: 1700-1900 MPa
• Elongation: 10-12%
• Impact toughness: 40-50 J/cm²
• Modulus of elasticity: 210 GPa

These characteristics provide long service life and reliability for tools made from this steel.

Advantages of Steel Round Bar 1.2764

✔ High resistance to impact loads.
✔ Ability to withstand significant mechanical stress.
✔ Long service life of tools.
✔ Easy to process and heat treat.

Steel circle delivery forms1.2764 / X19NiCrMo4 / 18X2H4MA