H11
H11 is a chromium-based hot work tool steel offering an excellent balance of toughness, strength, and resistance to thermal fatigue. Lanoit Special Steel Industries supplies H11 tool steel in round bars, flat bars, and customized tool steel sections suitable for demanding hot work applications. H11 steel is widely used where tools are exposed to repeated heating and cooling cycles. With consistent quality and controlled metallurgy, H11 supplied by Lanoit Special Steel Industries delivers reliable performance in forging, die casting, and extrusion tooling. All materials are provided with test certificates for complete quality assurance.
MANUFACTURING & AVAILABILITY
Lanoit Steel Industries supplies H11 in various conditions including As-Rolled, Annealed, Normalized, and Quenched & Tempered (Q&T), catering to diverse industrial requirements from oil & gas downhole tools to automotive drive shafts. Lanoit Special Steel Industries is recognized as one of the leading suppliers of specialty steel grades and round bars, serving industries that demand high-quality materials and reliable sourcing. With a focus on a wide range of steel products, Lanoit Special Steel Industries is considered among the top providers for special steel needs.
| Finish Condition | Size Range (MM) | Size Range (Inches) | |
|---|---|---|---|
| Hot Rolled | 16mm – 300mm | 5/8" – 12" | |
| Cold Rolled | 5mm – 100mm | 3/16" – 4" | |
| Peeled & Polished | 20mm – 150mm | 3/4" – 6" | |
| Ground & Polished | 5mm – 80mm | 3/16" – 3" | |
| Forged | 200mm – 800mm | 8" – 32" | |
| Proof Machined | As per drawing | As per drawing |
Heat Treatment Guide & Properties
H11 responds well to controlled heat treatment, developing a uniform hardness profile with excellent toughness. Double or triple tempering is commonly used to enhance resistance to thermal fatigue and improve tool life in hot work applications.
Annealing
Slow furnace cooling to improve machinability.
Hardening
Air or oil quenching depending on section size.
Tempering
Double tempering recommended to achieve optimum toughness.
Standard Lengths
3m 6m 9m
3 - 9 meters
Custom cutting available
■ Chemical Composition
H11 steel is alloyed with Chromium, Molybdenum, and Vanadium to provide a stable microstructure at elevated temperatures. Chromium enhances hardenability and resistance to softening, while Molybdenum improves high-temperature strength and reduces thermal fatigue. Vanadium refines the grain structure and contributes to wear resistance, making H11 suitable for long service life in hot work environments.
■ Mechanical Properties
H11 offers high toughness and good resistance to thermal cracking, even under severe temperature fluctuations. After heat treatment, it provides a balanced combination of hardness and impact strength. These properties make H11 ideal for tools subjected to repeated mechanical and thermal loads, where premature cracking or deformation must be avoided.
Quality & Standards
Materials are processed and reviewed following standard procedures. Various checks are performed to assess general quality and consistency. Our products are throughly tested for grade H11. Lanoit Special Steel Industries is a recognized provider in the steel sector, known for supplying a wide range of steel products. The company works with experienced teams and standard practices to support reliable material availability.
ISO 9001:2015
Standard quality management processes are followed for routine assessments.
Ultrasonic
Inspections may be conducted to check internal structure according to common practices.
Mechanical
Mechanical properties are examined using standard testing methods.
Chemical
Chemical composition is assessed through routine analysis techniques.
Industries We Supply
Lanoit Special Steel Industries is one of the leading suppliers and exporters of steel, catering to a wide range of industries worldwide. We supply multiple grades of steel in round bars and other forms, meeting diverse application requirements with consistent quality and reliable delivery.
Oil, Gas & Energy
Steel supplied for critical applications where reliability and performance are essential under extreme operating conditions.
- Round Bars
- Forged Components
- Flanges & Fittings
Automotive & Engineering
Supporting OEMs and component manufacturers with consistent quality steel for precision and high-load applications.
- Shafts & Axles
- Transmission Parts
- Machined Components
Manufacturing & Industrial Machinery
Widely used across general engineering, heavy machinery, and equipment manufacturing.
- Round Bars
- Gear Blanks
- Hydraulic & Mechanical Parts
Infrastructure, Mining & Agriculture
Supplying durable steel products for demanding environments and long service life.
- Structural Components
- Wear Parts
- Fasteners & Bolting
Frequently Asked Questions
Common queries about H11 selection, processing, and application.
GLOBAL REACH
Lanoit Special Steel Industries Serving Industries Worldwide
India
- Mumbai, Maharashtra
- Pune, Maharashtra
- Ahmedabad, Gujarat
- Chennai, Tamil Nadu
- Delhi, NCR
- Bangalore, Karnataka
- Hyderabad, Telangana
- Vadodara, Gujarat
Middle East
- Dubai, UAE
- Abu Dhabi, UAE
- Riyadh, Saudi Arabia
- Jeddah, Saudi Arabia
- Doha, Qatar
- Muscat, Oman
- Kuwait City, Kuwait
- Manama, Bahrain
Europe
- London, UK
- Berlin, Germany
- Paris, France
- Milan, Italy
- Madrid, Spain
- Antwerp, Belgium
- Rotterdam, Netherlands
Americas & Asia
- New York, USA
- Houston, USA
- Toronto, Canada
- Singapore
- Kuala Lumpur, Malaysia
- Jakarta, Indonesia
- Bangkok, Thailand
Looking for a Specific Steel Grade?
Lanoit Special Steel Industries offers a comprehensive range of steel grades tailored to meet diverse industrial needs.
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