Imported quality Die Steel blocks Din 2714

In the tool and die manufacturing industry, the successful production line often begins with one important decision that is choosing the right tool steel grade. When the correct steel is selected, dies last longer, machines run smoothly, and production targets are achieved with consistent quality.

Every manufacturing process has its own demands. A forging die must withstand intense heat and pressure, while stamping dies and cutting tools require exceptional wear resistance and hardness. Similarly, molds need the right balance of toughness and durability to perform reliably over thousands of production cycles.

Over time, die makers have learned that not all tool steels perform the same. Through years of experience and industrial use, certain grades have earned the trust of manufacturers because they consistently deliver strength, durability, and excellent performance on the shop floor. These trusted grades have become the preferred choice for die makers looking to achieve efficiency, reliability, and long die life.

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1. DB6 Tool Steel – Advanced Steel for Longer Die Life

DB6 tool steel is gaining popularity among die manufacturers due to its exceptional toughness and wear resistance.

Key Properties

• Superior toughness
• Excellent wear resistance
• High fatigue resistance
• Longer die life

Common Applications

• Forging dies
• Heavy duty stamping dies
• High impact tooling
• Automotive die manufacturing

Why DB6 is Becoming Popular

Compared to conventional tool steels, DB6 offers longer tool life and better performance under heavy loads, which helps reduce downtime and tooling costs.

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2. H13 Tool Steel – Best Hot Work Tool Steel

H13 tool steel is one of the most popular hot work tool steels used for applications involving high temperatures.

Key Properties

• Excellent heat resistance
• Good toughness
• High thermal fatigue resistance
• Good strength at elevated temperatures

Common Applications

• Forging dies
• Extrusion dies
• Die casting tools
• Hot stamping dies

Why H13 is Popular

H13 maintains its hardness even at high operating temperatures, making it ideal for hot forging and die casting industries.

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3. D2 Tool Steel – High Wear Resistance Grade

D2 tool steel is one of the most widely used cold work tool steels in die manufacturing. It contains a high percentage of chromium, which provides excellent wear resistance and hardness.

Key Properties

• High wear resistance
• Good dimensional stability
• High compressive strength
• Moderate toughness

Common Applications

• Blanking dies
• Punches
• Shear blades
• Cold forming tools
• Stamping dies

Why Die Makers Prefer D2

D2 steel is ideal for applications where abrasion resistance is more important than impact resistance. It helps increase die life in high-production environments.

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4. D3 Tool Steel – Maximum Hardness for Cutting Applications

D3 tool steel is another high carbon high chromium cold work steel known for its extremely high hardness and wear resistance.

Key Properties

• Very high hardness
• Excellent wear resistance
• High compressive strength
• Lower toughness compared to D2

Common Applications

• Cutting dies
• Thread rolling dies
• Knives and blades
• Cold extrusion tools

Why Die Makers Use D3

D3 is widely used where cutting performance and wear resistance are critical, especially in heavy duty cutting operations.

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5. EN31 Steel – High Hardness Bearing Steel

EN31 steel is a high carbon alloy steel commonly used in tools requiring high hardness and wear resistance.

Key Properties

• High hardness after heat treatment
• Good wear resistance
• Excellent surface finish

Common Applications

• Dies and punches
• Bearing components
• Gauges
• Rollers

Why Die Makers Use EN31

EN31 is often selected for applications requiring fine finish and precision tooling.

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Grade Comparison Table

DB6 Hot work  Cr-Mo-V	H13 Hot work Cr-Mo-V	D2 Cold work Hi-Cr	D3 Cold work  Hi-Cr	EN31 Bearing  Hi-C Cr
Standard: DIN 1.2714	Standard: AISI H13	Standard: AISI D2	Standard: AISI D3	Standard: BS EN31
C content: 0.35%	C content: 0.38%	C content: 1.55%	C content: 2.25%	C content: 1.00%
Hardness: 54–58 HRC	Hardness: 48–54 HRC	Hardness: 58–62 HRC	Hardness: 60–64 HRC	Hardness: 58–62 HRC
Toughness & durability	Heat resistance	High wear resistance	Maximum hardness	High hardness

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How to Choose the Right Tool Steel Grade

Selecting the right tool steel depends on several factors:

1. Application Type

Cold work operations require D2 or D3, while hot work processes prefer H13.

2. Wear Resistance Requirement

For high wear conditions, D2 or D3 are excellent choices.

3. Impact Resistance

Applications with heavy loads benefit from DB6 tool steel.

4. Temperature Conditions

Hot forming applications require steels like H13 that can withstand high

temperatures.

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Why Die Makers Trust Virat Steels

At Virat Special Steels, we supply premium quality tool and die steels for industries such as:

• Automotive manufacturing
• Forging industry
• Die making
• Precision engineering

Our wide range of tool steels ensures that die makers get the right material for maximum performance and durability.

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Frequently Asked Questions (FAQs)

1. What is tool steel used for in die making?

Tool steel is used to manufacture dies, punches, moulds, and cutting tools because of its high hardness, wear resistance, and toughness.

2. Which tool steel grade is best for die making?

D2, D3, H13, EN31, and DB6. The best grade depends on the application, such as cold work, hot work, or high-wear operations.

3. What is the difference between D2 and D3 tool steel?

Both D2 and D3 are cold work tool steels with high wear resistance.

• D2 steel offers better toughness and dimensional stability.
• D3 steel provides higher hardness but lower toughness.

4. Why is H13 tool steel used for forging dies?

H13 tool steel is widely used in forging dies because it has excellent heat resistance, toughness, and thermal fatigue strength, allowing it to perform well at high temperatures.

5. Which tool steel provides the longest die life?

Tool steels with a balance of toughness and wear resistance, such as DB6 and H13, are known to provide longer die life in demanding industrial applications.

6. What industries use tool and die steel?

Tool and die steels are widely used in industries such as:

• Automotive manufacturing
• Forging and casting
• Metal stamping
• Plastic moulding
• Engineering and heavy machinery

7. How does the right tool steel improve production efficiency?

Using the right tool steel grade improves die life, reduces maintenance, minimizes downtime, and ensures consistent product quality, which ultimately increases manufacturing productivity.

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Conclusion

By understanding the properties and applications of each grade, manufacturers can select the best tool steel for their specificrequirements for increasing production capacity.

Virat Special Steels has built a reputation as one of India’s most trusted suppliers, known for expertise, premium quality, and unmatched stock capabilities of various grades of Tool & Die steels.

📞 Curious about the right size, grades or technical specifications for your application?  Our team is ready to guide you.

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