How to Choose the Right Tool Steel for Industrial Use

     

Choosing the right tool steel is critical for ensuring long-term performance, durability, and efficiency in industrial applications. Tool steels are specially alloyed materials designed to endure extreme stress, wear, and high temperatures. Whether you need material for plastic molding or die casting, selecting between options like P20 mold steel or H13 hot die steel plays a vital role in both production quality and cost-effectiveness.

1. Understand the Application Requirements

Start by evaluating the working conditions and application:

• High heat exposure
• Abrasion and wear resistance
• Machinability needs
• Toughness and impact loads
• Corrosion resistance

For example:

• P20 mold steel is ideal for plastic injection molds due to its good polishability, pre-hardened condition, and machinability.
• H13 hot die steel excels in hot working environments, such as die casting and extrusion, due to its superior thermal fatigue resistance.

2. Know the Categories of Tool Steel

TypeIdeal ForCold Work Tool SteelShearing, stampingHot Work Tool Steel (e.g., H13)Forging, die castingPlastic Mold Steel (e.g., P20)Mold bases, die holdersHigh-Speed SteelCutting toolsShock-Resisting SteelHeavy impact conditions

3. Compare Popular Grades: P20 vs H13

GradeHardness (HRC)Key FeaturesBest ForP20 mold steel28–32Pre-hardened, good machinabilityPlastic moldsH13 hot die steel44–52Heat resistance, toughnessDie casting, hot forging

4. Review Material Properties That Matter

When choosing tool steel, always assess:

• Hardness & wear resistance
• Toughness under repeated stress
• Heat and thermal shock resistance
• Corrosion resistance (important for mold steel)
• Machinability

For cost-effective mold solutions, P20 steel offers good surface finish potential. For extreme temperature durability, H13 steel remains the go-to hot die steel.

✅ 5. Choose the Right Tool Steel Supplier

Not all suppliers offer certified and precision-cut steel products. That’s why it’s crucial to buy from trusted tool steel suppliers like Milano Special Steel, offering:

• Standardized grades (AISI, DIN, JIS)
• Cut-to-size availability
• Mill test certifications
• Global shipping sup

✅ Conclusion

Selecting the right tool steel grade — whether it’s P20 for molds or H13 for high-temperature die applications — is essential to reduce downtime, extend tool life, and improve product quality. Always consult experienced tool steel suppliers to find the right grade for your specific industrial needs.