H13 Tool Steel: High-Performance Mold & Die Production

H13 Tool Steel: The Go-To Alloy for Mold & Die Mastery
When the Heat Is On, H13 Holds the Line
In industries where dies, molds, and shear blades are exposed to intense heat and pressure, ordinary steels won’t cut it. You need a material that stays strong when the stakes are high.
That’s why professionals across die casting, forging, and plastic molding turn to H13 tool steel - a globally trusted, performance-driven alloy built to thrive under thermal stress.
At Toolman Special Steels, we specialize in delivering precision-engineered H13 solutions for industries worldwide.
What is H13 Tool Steel?
H13 is a chromium-molybdenum-vanadium hot work tool steel known for its exceptional thermal stability, wear resistance and toughness, which makes it an ideal choice for tools exposed to extreme heat and mechanical stress.
The key properties of H13 steel are:
- High toughness to withstand mechanical loads without cracking.
- Excellent heat resistance that retains hardness even at elevated temperatures.
- Superior wear resistance for extended tool life in high-friction environments.
- Good machinability in the annealed condition, allowing for precise tool shaping.
Due to these characteristics, H13 is widely used in die casting, extrusion and forging applications where tools experience prolonged exposure to high heat and pressure.
Applications of H13 Tool Steel
H13 tool steel is extensively used in the following industrial applications that require high-performance tooling:
- Die Casting Dies – Used for aluminum, zinc and magnesium alloy casting due to its excellent thermal shock resistance.
- Plastic Molding – Ideal for molds that undergo repeated heating and cooling cycles.
- Forging Dies – Ensures longevity and resistance to cracking under high impact.
- Extrusion Dies – Performs well under the intense pressure of metal and plastic extrusion processes.
- Hot Shear Blades – Provides sharp cutting edges even at high temperatures.

Improving the Performance of H13 Tool Steel
To enhance the performance and lifespan of H13 tool steel, several treatments and modifications can be applied:
- Heat Treatment – Proper hardening and tempering improve hardness and toughness balance.
- Nitriding – Increases surface hardness, enhancing wear and corrosion resistance.
- PVD Coatings – Provides additional resistance against heat and friction.
- Annealing – Reduces residual stresses and improves machinability.
- Cryogenic Treatment – Further refines the microstructure, enhancing wear resistance and reducing brittleness.
Pro Tip: Combining nitriding + cryogenic treatment = best-in-class tool life.
H11 vs. H13 Tool Steel: What’s the Difference?
While both H11 and H13 belong to the hot work tool steel family, they have distinct differences:
- H11 has lower carbon content, making it tougher but slightly less wear-resistant than H13.
- H13 offers better heat resistance and wear resistance, making it more suitable for die casting and extrusion applications.
- H11 is used in aerospace components and impact-resistant applications, while H13 excels in mold and die production.
Why Partner with Toolman Special Steels?
- Decades of metallurgy expertise
- Precision-controlled heat treatment
- Custom logistics and sizing
- Global delivery with tight tolerances
Your H13 Options at Toolman Special Steels
- Bars - Round, flat, square
- Plates & Sheets
- Custom-Cut Sizes
Manufacturing Range
Products | Diameter (mm) |
---|---|
Hot Rolled bar | 8 - 65 |
Forged and Turned bars | 65.2 - 500 |
Forged Square Bars | 50 - 500 |
Flats
Flats Thickness | Width |
---|---|
6.00 mm - 410.00 mm | 20.00 mm - 700.00 mm |
We understand that each project has unique material requirements. Whether you need small batches for specialized applications or bulk orders for large-scale production, we ensure fast delivery, exceptional quality and tailored solutions.
Applications of H13 Tool Steel
With decades of expertise in H13 tool steel, Toolman Special Steels provides industry-leading solutions for high-performance mold and die applications. Our commitment to quality, precision and customer satisfaction sets us apart as a trusted global supplier. Contact us today to find the perfect H13 steel solution for your application!
Let’s Build Stronger Tools, Together
Looking for a high-performance steel for die casting, forging, or plastic molding?
Email us at indiatoolman@gmail.com
Or request a custom quote for your H13 requirements.
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