Manufacturer, Supplier & Exporter of H13 Tool Steel Round Bar
H13 Tool Steel Round Bar is one of the most widely used hot-work tool steels, known for its exceptional combination of toughness, hardness, heat resistance, and wear strength. As a chromium-molybdenum-vanadium alloy steel, H13 offers excellent thermal fatigue resistance, making it ideal for tools exposed to cyclic heating and cooling. Because of its outstanding mechanical stability at high temperatures, it remains the preferred choice for forging dies, extrusion tooling, hot shears, and die-casting applications across various industries...
Riddhi Siddhi Impex is a prominent manufacturer and supplier of H13 Tool Steel Round Bars, delivering premium-quality material that meets global standards. Each bar is produced using advanced metallurgical processes to ensure uniform hardness, dimensional precision, and superior machinability. The company sources high-grade raw materials and ensures strict inspection and testing to maintain the highest product reliability..
The H13 Tool Steel Round Bars supplied by Riddhi Siddhi Impex are available in annealed, pre-hardened, and fully hardened conditions to suit customer requirements. The material possesses excellent through-hardening ability and retains strength at elevated temperatures, making it suitable for demanding industrial tools and dies. Its resistance to thermal cracking also extends tool life, reducing operational downtime and increasing productivity..
With strong domestic distribution capabilities, Riddhi Siddhi Impex supplies H13 Tool Steel Round Bars across major Indian cities including Mumbai, Delhi, Bengaluru, Hyderabad, Chennai, Kolkata, Pune, Ahmedabad, Surat, Vadodara, Rajkot, Nagpur, Indore, Bhopal, Jaipur, Kanpur, Lucknow, Agra, Varanasi, Amritsar, Chandigarh, Mysuru, Udaipur, Jodhpur, Visakhapatnam, Coimbatore, Madurai, Kochi, Thiruvananthapuram, Mangalore, Nashik, Kolhapur, Chandrapur, Akola, Vilayat, Somnath, Dahej, Narmada, Ankleshwar, Navsari, Valsad, Rajpipla, and more...
Industries such as automotive, aerospace, oil & gas, die-casting, forging, plastics, and heavy engineering rely heavily on H13 Tool Steel Rods for their durability and high-temperature stability. Whether you need the material for punches, dies, core pins, hot extrusion tools, or injection molds, H13 offers an optimal balance of performance and cost-efficiency..
Specification
| Product Name | H13 Tool Steel Round Bar |
|---|---|
| Manufacturer | Riddhi Siddhi Impex |
| Material Grade | AISI H13 / DIN 1.2344 / JIS SKD61 |
| Form | Forged / Rolled Round Bars |
| Size Range | 10mm to 500mm Diameter |
| Length | 1000mm to 6000mm or Custom |
| Condition | Annealed / Hardened / Pre-Hardened |
| Hardness | 180 – 220 HB (Annealed) |
| Production Process | Hot Rolled / Forged |
| Testing | UT Tested, Chemical Analysis, Hardness Test |
| Applications | Hot Work Tools, Extrusion Dies, Forging Dies, Plastic Molds |
Chemical Composition
| Element | Content (%) |
|---|---|
| Carbon (C) | 0.32 – 0.45 |
| Chromium (Cr) | 4.75 – 5.50 |
| Molybdenum (Mo) | 1.10 – 1.75 |
| Vanadium (V) | 0.80 – 1.20 |
| Silicon (Si) | 0.80 – 1.20 |
| Manganese (Mn) | 0.20 – 0.50 |
| Phosphorus (P) | 0.030 max |
| Sulfur (S) | 0.020 max |
Mechanical Properties
| Property | Value |
|---|---|
| Tensile Strength | 1450 MPa (after heat treatment) |
| Yield Strength | 1250 MPa |
| Elongation | 10 – 14% |
| Hardness (Annealed) | 180 – 220 HB |
| Hardness (Hardened) | 48 – 52 HRC |
| Impact Resistance | High (due to Vanadium Content) |
Dimension Chart
| Diameter (mm) | Diameter (inch) | Standard Length |
|---|---|---|
| 10 – 25 | 0.39 – 1" | 1000mm – 6000mm |
| 26 – 50 | 1.02 – 2" | 1000mm – 6000mm |
| 51 – 100 | 2.01 – 4" | 1000mm – 6000mm |
| 101 – 200 | 4.01 – 8" | 1000mm – 6000mm |
| 201 – 500 | 8.01 – 20" | Custom Length |
Equivalent Grades
| Standard | Grade |
|---|---|
| AISI | H13 |
| DIN | 1.2344 |
| JIS | SKD61 |
| BS | BH13 |
Equivalent Standards
| Standard | Description |
|---|---|
| AISI H13 | Hot Work Tool Steel Specification |
| DIN 1.2344 | German Standard Hot Work Tool Steel |
| JIS SKD61 | Japanese Hot Work Tool Steel Standard |
| UNS T20813 | Unified Numbering System for Tool Steel |
Other Types of Tool Steel Round Bars
| Type | Description |
|---|---|
| D2 Tool Steel | High-carbon, high-chromium cold work tool steel |
| H11 Tool Steel | Hot work tool steel with high hardenability |
| O1 Tool Steel | Oil-hardening cold work tool steel |
| SKD11 | Wear-resistant cold work steel |
One of the major advantages of H13 Tool Steel Round Bars is their resistance to softening at elevated temperatures. Even under continuous heat exposure, the material retains its hardness and dimensional stability. This property makes it ideal for tooling used in hot-forming and die-casting environments, where conventional steels may deform or crack..
Frequently Asked Questions (FAQs)
- Q1: What is H13 Tool Steel used for?
- It is widely used in hot work tools, forging dies, extrusion dies, and plastic mold components.
- Q2: Is H13 Tool Steel Round Bar heat-treatable?
- Yes, H13 can be hardened up to 52 HRC after proper heat treatment.
- Q3: Do you supply customized sizes?
- Yes, Riddhi Siddhi Impex provides custom-cut lengths and non-standard sizes.
- Q4: Is H13 corrosion resistant?
- H13 has moderate corrosion resistance due to chromium content but is mainly known for heat resistance.
Cities we have supplied our products to
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Countries we have supplied our products to
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