H11 Round Bar – DIN 1.2343 Tool Steel Round Bars Manufacturer & Supplier in India
H11 Round Bar is a premium-grade hot work tool steel widely used in industries where components are exposed to high temperatures, heavy loads, and repeated stress. Known for its excellent toughness, thermal fatigue resistance, and good hardenability, H11 Tool Steel Round Bar is a preferred choice for hot dies, forging tools, extrusion dies, and high-performance industrial applications.
As an experienced H11 Round Bar Supplier, we stock and supply a wide range of H11 (DIN 1.2343) Round Bars in various sizes, finishes, and forms to meet diverse industry requirements. Our focus is on quality, consistency, and long-term performance, ensuring customers receive tool steel products they can trust.
What is H11 Tool Steel?
H11 is a chromium-molybdenum hot work tool steel designed to retain strength at elevated temperatures. It is internationally recognized under multiple standards, including:
- DIN 1.2343
- AISI H11
- UNS T20811
- WNR X38CrMoV5-1
- BS BH11
This steel is engineered to withstand thermal shock, wear, and cracking, making it ideal for tools that operate under continuous heat and pressure.
H11 Round Bar – Key Features & Benefits
H11 Steel Round Bar offers a balanced combination of strength, toughness, and heat resistance. These properties make it suitable for both heavy-duty and precision tooling applications.
- Excellent resistance to thermal fatigue
- High-impact toughness
- Good hot hardness retention
- Uniform microstructure
- Easy to machine and heat treat
- Long service life under extreme conditions
Because of these benefits, Tool Steel H11 Round Bars are widely used in forging, die casting, extrusion, and aerospace tooling
Forms & Variants We Supply
We supply H11 tool steel in multiple product forms to suit different machining and fabrication needs:
- H11 Round Bar
- H11 Rod
- H11 Tool Steel Round Bar
- Carbon Steel H11 Round Bar
- Cold Rolled H11 Stainless Steel Bright Round Bar
- BS BH11 Hot Rolled Round Bar
- 1.2343 Black Bars
- Tool Steel DIN 1.2343 Hex Bar Manufacturer in India
- WNR X38CrMoV5-1 Square Bar
- UNS T20811 Flat Bar
- UNS T20811 Hollow Bars
- AISI H11 Threaded and Welding Rods
- UNS T20811 Wires
Each product is manufactured and processed to deliver consistent mechanical performance and dimensional accuracy.
Cold Rolled H11 Stainless Steel Bright Round Bar - Manufacturing Standards & Specifications
Our H11 (DIN 1.2343) Tool Steel Bars comply with international quality standards to ensure reliability in demanding applications.
Common Standards:
- DIN: 1.2343
- AISI: H11
- UNS: T20811
- BS: BH11
- WNR: X38CrMoV5-1
Available Sizes:
- Diameter: 6 mm to 600 mm
- Length: Standard & cut-to-length
- Surface Finish: Black, Bright, Polished, Machined
Chemical Composition of H11 Tool Steel (Typical)
| Element | Percentage (%) |
| Carbon (C) | 0.33 – 0.43 |
| Chromium (Cr) | 4.75 – 5.50 |
| Molybdenum (Mo) | 1.10 – 1.75 |
| Vanadium (V) | 0.30 – 0.60 |
| Silicon (Si) | ≤ 1.00 |
| Manganese (Mn) | ≤ 0.50 |
This balanced chemistry gives DIN 1.2343 Tool Steel Bars their excellent hot strength and wear resistance.
AISI H11 Welding Rods - Mechanical Properties (Typical)
| Property | Value |
| Tensile Strength | 1,350 – 1,550 MPa |
| Yield Strength | ~1,150 MPa |
| Elongation | 10 – 12% |
| Hardness (Annealed) | 210 – 235 HB |
| Impact Toughness | High |
Applications of H11 Round Bars
Thanks to its superior thermal and mechanical properties, H11 Steel Round Bar is widely used across industries.
Common Applications:
- Hot forging dies
- Die casting tools
- Extrusion dies
- Press tools
- Aircraft structural tooling
- Hot shear blades
- Plastic mold bases
- Automotive die components
Industries prefer DIN 1.2343 Tool Steel Bars Exporter products because they maintain strength even after repeated heating cycles.
Heat Treatment Capabilities
H11 Tool Steel Round Bar responds very well to heat treatment, which allows engineers to tailor properties for specific applications.
Heat Treatment Process:
- Annealing for improved machinability
- Hardening for increased strength
- Tempering for toughness and thermal stability
Proper heat treatment ensures long tool life and resistance to cracking, especially in hot working environments.
Machinability & Weldability
Machinability:
- H11 offers good machinability in annealed condition, making it suitable for precision tooling and complex shapes.
Weldability:
- AISI H11 Threaded and Welding Rods are available for repair and fabrication
- Pre-heating and post-weld heat treatment are recommended to avoid cracking
Why Choose Us as Your H11 Round Bar Supplier?
With years of experience supplying tool steels to domestic and international markets, we understand real-world industrial requirements. What Sets Us Apart:
- Consistent quality raw materials
- Wide size range and ready stock
- Custom cutting and machining
- Strict quality inspection
- Reliable global logistics
- Competitive pricing
As Tool Steel H11 Round Bars Exporters, we serve clients across manufacturing, engineering, aerospace, automotive, and heavy industries. We are a trusted DIN 1.2343 Tool Steel Bars Exporter, supplying to Asia, Europe, the Middle East, and Africa. Our logistics team ensures timely and safe delivery, even for large and urgent orders. If you are looking for a reliable H11 Round Bar Supplier, Tool Steel DIN 1.2343 Hex Bar Manufacturer in India, or UNS T20811 Hollow Bars & Wires, we are here to help. Our technical team can assist you in selecting the right grade, size, and finish for your application.
Global Reach
ASC LLP boasts a robust global presence, committed to delivering unparalleled service and quality to clients around the world. Our dedication to prompt delivery and exceptional customer care sets us apart in the industry. Major corporations across the USA, Europe, Asia, and other regions place their trust in our high-quality H11 Round Bar. This widespread trust underscores our reputation for reliability and excellence. By consistently meeting and exceeding the expectations of our international clientele, we continue to solidify our position as a leader in the global steel market.
Countries We Export To
UNITED STATES, EUROPE, UK, UAE, SAUDI ARABIA, OMAN, KUWAIT, JORDAN, QATAR, INDONESIA, MALAYSIA, BRAZIL, SPAIN, ITALY, FRANCE, GERMANY, BAHRAIN, SRI LANKA, AZERBAIJAN, AUSTRALIA, AUSTRIA, PHILIPPINES, TURKEY, RUSSIA, IRAN, IRAQ, CANADA, KOREA, JAPAN, YEMEN, FINLAND, ZIMBABWE, HUNGARY, PORTUGAL, VIETNAM, MOROCCO, THAILAND, SOUTH AFRICA, MEXICO, SINGAPORE, GREECE, KUWAIT, POLAND, NEW ZEALAND, SWEDEN, SWITZERLAND, BELGIUM, BHUTAN, BANGLADESH, TAIWAN, ROMANIA, CAMBODIA, KAZAKHSTAN, AFGHANISTAN.
