DIN 1.2738

DIN 1.2738 is a high-quality tool steel that offers enhanced toughness and durability. It is commonly used in mold making and applications requiring good wear resistance and impact strength.

Chemical Composition:

 Carbon (C) : 0.28 - 0.40      

 Chromium (Cr) : 1.80 - 2.50      

 Nickel (Ni) : 0.80 - 1.50      

 Molybdenum (Mo) : 0.30 - 0.50      

 Manganese (Mn): 0.40 - 0.80      

 Silicon (Si)  : ≤ 0.30           

 Phosphorus (P) : ≤ 0.03           

 Sulfur (S) : ≤ 0.03           

Mechanical Properties:

 Hardness (HRC) : 28 - 32           

 Tensile Strength (MPa) : ~ 1100 - 1300     

 Yield Strength (MPa) : ~ 800 - 1000      

 Elongation (%) : ~ 10-15           

 Impact Toughness (J) : High              

Physical Properties:

 Density (g/cm³) : ~ 7.85             

 Modulus of Elasticity (GPa) : ~ 200         

 Thermal Conductivity (W/m·K) : ~ 20         

 Specific Heat (J/kg·K) : ~ 460             

Heat Treatment:

Hardening : 850 - 880    Oil or Air         

Tempering  : 500 - 600     Air                

Applications:

- Injection molds

- Die casting

- High-volume production tooling

- Structural components in molds

2738 steel is an excellent choice for high-performance tooling applications, providing a balance of hardness, toughness, and wear resistance. Always consult with a metallurgical expert for specific applications and requirements.