H13 vs H11 Tool Steel – Complete Comparison (Properties, Hardness, Applications, Price & Selection Guide)
H13 vs H11 Tool Steel, Which One Should You Choose?
Walk into any tool room, forging shop, or die manufacturing unit in India, and you’ll hear the same debate.
“Should this die be made from H13 or H11?”
At first glance, both steels look nearly the same. They are both part of the Hot Work Tool Steel family, contain chromium and molybdenum, and are built to perform in extreme temperatures. However, choosing the wrong material can significantly decrease die life.
- Choose H13 where H11 should have been used, and the die may crack under repeated impact.
- Choose H11 where H13 belongs, and excessive wear can shorten production life.
This complete guide explains everything you need to know before selecting either grade.
You’ll learn about:
- H13 vs H11 Chemical Composition
- Hardness Comparison
- Mechanical Properties
- Heat Treatment
- Price Comparison
- Tool Life
- Equivalent Grades
- Applications
- Availability in India
- Supplier Selection Guide
- 25+ Frequently Asked Questions
H13 vs H11 Tool Steel – Quick Comparison
| Property | H13 (DIN 1.2344 / SKD61) | H11 (DIN 1.2343 / SKD6) |
| Main Strength | Excellent wear resistance and hot hardness | Great toughness and impact resistance |
| Wear Resistance | Excellent | Very Good |
| Toughness | Very Good | Excellent |
| Hot Hardness | Excellent | Very Good |
| Resistance to Thermal Fatigue | Excellent | Very Good |
| Shock/Impact resistance | Excellent | Good |
| Machinability (Annealed) | Better | Moderate |
| Maximum Working Hardness | Up to 54 HRC | Up to 52 HRC |
| Typical Working Hardness | 44–48 HRC | 42–46 HRC |
| Best Suited For | Die Casting, Extrusion Dies, Plastic Moulds | Forging Dies, Hammer Dies, Fastener Tooling |
| Relative Tool Life | Longer in wear-intensive applications | Longer in impact-intensive applications |
| Relative Cost | 10–20% Higher | More Economical |
| Best Choice When | Heat, wear and long production runs are the priority | High impact, shock loading and toughness are the priority |
What is H13 Tool Steel?
H13 Tool Steel (DIN 1.2344, SKD61) is one of the world’s most widely used chromium hot work tool steels.
Its high vanadium content forms extremely hard carbides that improve:
- Wear resistance
- Hot hardness
- Heat checking resistance
- Tool life
- Surface finish
This makes H13 the preferred steel for:
- Aluminium Die Casting Dies
- Zinc Die Casting
- Plastic Injection Moulds
- Extrusion Dies
- Hot Shear Blades
- Forging Punches
What is H11 Tool Steel?
H11 Tool Steel (DIN 1.2343, SKD6) is also a Hot Work Tool Steel, but with a lower vanadium content.
The lower carbide volume gives H11:
- Better toughness
- Better impact resistance
- Better crack resistance
- Easier machining
It is commonly selected for:
- Hammer Dies
- Forging Dies
- Fastener Tooling
- Hand Tool Dies
- Heavy Stamping
Comparison of Chemical Composition H13 vs H11 Tool Steel
| Element | H13 (DIN 1.2344) | H11 (DIN 1.2343) |
| Carbon | 0.32–0.45% | 0.33–0.43% |
| Chromium | 4.75–5.50% | 4.75–5.50% |
| Molybdenum | 1.10–1.75% | 1.10–1.60% |
| Vanadium | 0.80–1.20% | 0.30–0.50% |
| Silicon | 0.80–1.20% | 0.80–1.20% |
| Manganese | 0.20–0.50% | 0.20–0.50% |
Main Difference:
The H13 with higher vanadium content has much better wear resistance and longer tool life.
Mechanical Property Comparison
| Property | H13 | H11 |
| Wear Resistance | Excellent | Good |
| Toughness | Good | Excellent |
| Hot Hardness | Excellent | Good |
| Thermal Fatigue | Excellent | Very Good |
| Heat Checking Resistance | Excellent | Very Good |
| Impact Resistance | Good | Excellent |
| Machinability | Moderate | Better |
| Polishability | Excellent | Good |
Hardness Comparison
| Condition | H13 | H11 |
| Annealed | 180–220 HB | 180–220 HB |
| Working Hardness | 44–52 HRC | 42–50 HRC |
| Maximum Practical Hardness | 54 HRC | 52 HRC |
Heat Treatment Process
1. Preheating (650–750°C)
2. Austenitizing
o H13: 1010-1025 °C
3. Air, Oil, or Vacuum Quenching
4. Double or Triple Tempering (550-650 °C)
Vacuum heat treatment is recommended for precision dies to minimise distortion.
One of the most asked questions from buyers is:
“What’s the cheapest steel?
Generally,
Why?
- Higher Vanadium content
- Better wear resistance
- Longer production life
- Higher performance in die casting applications
Although the initial purchase price is higher, H13 often delivers a lower cost per component because of its longer service life.
Price depends on:
- ESR or Conventional Grade
- Forged or Rolled Material
- Imported or Domestic Mill
- Size
- Heat Treatment
- Quantity
No fixed market price exists, so always request a quotation based on current stock.
H13 vs H21
| Feature | H13 | H21 |
| Toughness | Better | Lower |
| Hot Hardness | Excellent | Outstanding |
| Wear Resistance | Excellent | Excellent |
| Typical Use | Die Casting | Hot Forging & Extreme Heat |
H13 vs DIN 1.2367
| Property | H13 | 1.2367 |
| Toughness | Excellent | Higher |
| Hot Strength | Excellent | Excellent |
| Large Forging Dies | Good | Better |
There is virtually no practical difference. SKD61 is the Japanese JIS designation equivalent to AISI H13 and DIN 1.2344. Selection should focus on material quality, cleanliness, ESR option, testing, and supplier reliability rather than the grade designation alone.
H13 vs DB6
| Feature | H13 | DB6 |
| Type | Hot Work | Hot Work |
| Toughness | Excellent | Very High |
| Nickel Content | No | Yes |
| Large Forging Dies | Good | Excellent |
| Heavy Impact | Good | Better |
Tool Life Comparison
| Application | Better Grade |
| Die Casting | H13 |
| Extrusion | H13 |
| Plastic Moulds | H13 |
| Hammer Dies | H11 |
| Forging Dies | H11 |
| Heavy Impact Tools | H11 |
H13 and H11 are common hot work tool steels, but they have different names depending on the international standard used. Use the table below to identify the equivalent grades used in different countries.
| Standard | H13 Equivalent | H11 Equivalent |
| AISI (USA) | H13 | H11 |
| DIN / EN (Germany) | 1.2344 / X40CrMoV5-1 | 1.2343 / X38CrMoV5-1 |
| JIS (Japan) | SKD61 | SKD6 |
Sizes Available
H13 (DIN 1.2344 / SKD61) and H11 (DIN 1.2343 / SKD6) tool steel are available in a wide range of sizes to suit different tooling applications.
| Product Form | Available Sizes |
| Round Bars | Ø13 mm to Ø500+ mm |
| Flat Bars | Thickness: 20–305 mm, Width: 50–600 mm |
| Cut-to-Size Blocks | As per customer drawing and specifications |
Custom sizes and large forged sections can also be supplied based on project requirements.
| Property | Conventional | ESR |
| Cleanliness | Good | Excellent |
| Inclusion Level | Higher | Lower |
| Polishability | Good | Excellent |
| Fatigue Life | Better | Best |
| Tool Life | Longer | Longest |
ESR H13 is recommended for premium die casting and mould applications requiring maximum reliability.
Industries Using H13
- Aluminium Die Casting
- Zinc Die Casting
- Plastic Injection Moulding
- Extrusion
- Aerospace
- Automotive
- Pressure Die Casting
- Hot Shear Blades
Industries Using H11
- Forging
- Hammer Dies
- Fastener Manufacturing
- Hand Tools
- Heavy Engineering
- Structural Components
Why Buy H13 or H11 from Virat Steels?
Virat Steels has been supplying premium tool steels to Indian manufacturers for 70+ years.
Why customers choose Virat Steels
- 70+ Years of Experience
- 2000+ Industrial Customers
- Supplier of material from reputed international mills
- Ready Stock Available
- Mill Test Certificate (MTC)
- UT Tested Material
- Spectro Tested Material
- PAN India Delivery
- Custom Cutting
- Fast Dispatch
- Technical Material Recommendation
Whether you’re looking to Buy H13 Steel, Buy H11 Steel, DIN 1.2344, DIN 1.2343, SKD61, SKD6, ESR H13, or Forged H13 Blocks, our team can recommend the right material based on your application
Our Supply Network Across India
Virat Steels is a trusted supplier of Hot Work Tool Steel to customers across the major industrial hubs of India including Ahmedabad, Rajkot, Pune, Nashik, Aurangabad, Kolhapur, Belgaum, Chennai, Coimbatore, Hosur, Bengaluru, Hyderabad, Faridabad, Manesar, Bhiwadi, Gurugram, Delhi NCR, Ludhiana, Chandigarh, Haryana, Punjab, Jamshedpur.
Our strong logistic network and efficient distribution system enable us to ensure timely PAN India dispatch to meet the requirement of tool rooms, die manufacturers, forging industries and engineering companies across the country.
- H13 Tool Steel
- H11 Tool Steel
- DIN 1.2344 Tool Steel
- DIN 1.2343 Tool Steel
- ESR Tool Steel
- Plastic Mould Steel
- Hot Work Tool Steel
- Forged Tool Steel Blocks
Download Free PDF:
H13 vs H11 Tool Steel Comparison Guide
https://www.viratsteels.com/downloads/h13-vs-h11-comparison.pdf
Request a Quote
Searching for the right Hot Work Tool Steel?
Our technical team can suggest the correct grade for your application whether you require H13, H11, DIN 1.2344, DIN 1.2343, SKD61, SKD6, ESR H13 or Forged H13 Blocks.
Request a Quote Today
✔ Material Recommendation
✔ Ready Stock
✔ MTC Available
✔ UT Tested
✔ Spectro Tested
✔ PAN India Delivery
Call us or send your drawing to receive a customised material recommendation.
Call us: +91-98140 21775 Email: info@viratsteels.com Visit us: Gurgaon (Haryana) | Ludhiana (Punjab)
FAQs (Frequently Asked Questions)
1. What is the difference between H11 and H13 tool steel?
H11 is tougher and more impact resistant while H13 has more wear resistance, hot hardness and resistance to thermal fatigue.
2. Which steel is best for aluminum die casting dies?
H13 is generally preferred as it has a longer die life and is more resistant to heat checking.
3. What grade is recommended for hot forging dies?
H11 is often chosen for heavy-impact forging work and H13 is appropriate for moderate-impact forging applications.
4. What are the common industries that use H11 and H13 tool steel?
These grades are widely used in die casting, forging, extrusion, automobile, aerospace, plastic molding and general engineering industry.
5. What is the working temperature range of H13 tool steel?
H13 has good strength and hardness up to about 600°C and is used for hot working.
6. Is H11 impact strength better than H13?
Yes. H11 has a lower vanadium content which makes it tougher and more resistant to impact loading.
7. Which tool steel has better dimensional stability in heat treatment?
H13 generally has better dimensional stability when properly heat treated.
8. Is it possible to nitride H11 and H13?
Yes. Both grades can be nitrided to increase surface hardness and wear resistance.
9. What is the best grade for extrusion tooling?
H13 is most often recommended for aluminum extrusion dies as it has the best hot strength and wear resistance.
10. Are H11 and H13 available on forged blocks?
Yes. Both grades are available as forged blocks, rounds, flats and in customer specific sizes.
11. What inspections are performed before dispatch?
Material usually comes with Spectro Test Reports, Ultrasonic Testing (UT), Material Test Certificates (MTC), and hardness testing if requested.
12. Can H11 and H13 be supplied in pre-hardened condition?
Yes. Based on customer needs, both grades can be offered annealed, pre-hardened, or heat-treated.
13. Which grade is easier to polish?
H13 generally provides an excellent polished finish, making it good for high-quality tooling applications.
14. Are H11 and H13 suitable for plastic mould applications?
Yes. H13 is commonly used for plastic moulds that work at high temperatures or need great wear resistance.
15. What shapes are available in H11 and H13 tool steel?
These grades come in round bars, flat bars, square bars, forged blocks, plates, and custom-cut sizes.
16. How do I choose between H11 and H13?
The choice depends on the application. Use H11 for maximum toughness, and H13 for better wear resistance and a longer service life.
17. What surface finish options are available?
Materials are available in black, peeled, rough machined, bright, or fully machined condition based on customer needs.
18. Can custom sizes be supplied?
Yes. Custom dimensions and cut-to-size materials are available to reduce machining time and material waste.
19. What certifications are available with the material?
Materials can come with Mill Test Certificates (MTC), chemical composition reports, mechanical property reports, and UT inspection certificates.
20. Does Virat Steels offer technical support in selecting tool steel?
Yes. Our technical team helps customers choose the right grade based on the application, operating temperature, and service conditions.
21. Does Virat Steels deliver across India?
Yes. We provide fast and dependable delivery across India to major industrial cities and manufacturing hubs.
22. How can I place an order with Virat Steels?
Just share your required grade, dimensions, quantity, or technical drawing with our sales team. We will recommend the right material, offer technical guidance, and provide a competitive quote.
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