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H10 Tool Steel Bars / AISI H10 Rods / SAE H10 Round Bars / H10 Alloy Steel Rings
698.0 INR/Piece
Product Details:
- Diameter 12mm - 350mm
- Technique Hot Rolled / Cold Drawn / Forged
- Application Die casting dies, extrusion dies, hot shear blades, punches, mandrels, die holders, plastic molds
- Grade H10
- Specific Use Hot Work Tool Steel Applications
- Finish Bright, Black, Peeled, Polished
- Type Bars, Rods, Round Bars, Rings
- Click to view more
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H10 Tool Steel Bars / AISI H10 Rods / SAE H10 Round Bars / H10 Alloy Steel Rings Price And Quantity
- 1 Piece
- 698.0 INR/Piece
H10 Tool Steel Bars / AISI H10 Rods / SAE H10 Round Bars / H10 Alloy Steel Rings Product Specifications
- Die casting dies, extrusion dies, hot shear blades, punches, mandrels, die holders, plastic molds
- Hot Rolled / Cold Drawn / Forged
- 12mm - 350mm
- H10 Tool Steel / AISI H10 / SAE H10 / H10 Alloy Steel
- Annealed / Hardened & Tempered
- 0.01 mm to 0.05 mm (as per customer specification)
- AISI, SAE, ASTM, DIN, EN, JIS
- Hot Work Tool Steel Applications
- Bright, Black, Peeled, Polished
- Bars, Rods, Round Bars, Rings
- Custom length as per requirement (standard: 1000mm - 6000mm)
- H10
- Annealed: 229 HB; Heat Treated: up to 50 HRC
- Negotiable as per order
- India
- Good in annealed condition
- Moderate
- Machined / Turned / Centreless Ground
- Round, Square, Flat, Rings
- 7.8 g/cm3
- Annealed, Hardened & Tempered, or as specified
- Available with supply (EN 10204 3.1/3.2, as required)
- Pre-heating, Annealing, Hardening, Tempering
- Standard export seaworthy packing or as per client requirement
Product Description
AISI H10 (UNS T20810) is a premium chromium-molybdenum-vanadium hot-work tool steel. Within the hot-work steel family, H10 stands out for its superior resistance to thermal softening (loss of hardness at high temperatures) and exceptional resistance to thermal fatigue cracking, commonly known as "heat checking."
Whether you are configuring structural procurement for bars and rods or specifying continuous grain-flow forged rings, here is the global technical profile for AISI H10.
Chemical Composition (Typical Weight %)
The balance of molybdenum and a high silicon presence grants H10 its remarkable high-temperature temper resistance. Unlike tungsten-based hot-work steels (like H21), H10 can be safely water-cooled during service without severe risk of thermal shock cracking.
| Carbon (C) | Molybdenum (Mo) | Chromium (Cr) | Silicon (Si) | Vanadium (V) | Manganese (Mn) |
| 0.35 0.45% | 2.00 3.00% | 3.00 3.75% | 0.80 1.25% | 0.25 0.75% | 0.25 0.70% |
Technical Performance by Stock Form
1. H10 Tool Steel Bars & Round Rods
Typically delivered in the spheroidized annealed condition with a maximum hardness of 229 HBW for clean machinability. Round bar stock is highly preferred for:
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Extrusion Mandrels & Dies: Used heavily in non-ferrous (aluminum, brass) extrusion lines where tooling must maintain straightness and yield strength under extreme thermal loads.
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Hot Shears & Piercing Punches: Resists continuous deformation when cutting or piercing hot billets.
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Grip and Header Dies: Frequently utilized in high-speed automatic forging presses (like Hatebur lines) for fasteners.
2. SAE H10 Forged Alloy Rings
For high-stress circular or radial tooling applications, sourcing H10 as a forged ring ensures structural uniformity. Forging breaks up directional carbide stringers, reducing the risk of premature catastrophic splitting.
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Extrusion Press Liners & Die Holders: Retains crucial dimensional tolerances under intense internal radial pressures at operating temperatures exceeding $500^circtext{C}$.
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Hot Roll-Forming Tools: Keeps a sharp edge and smooth profile over extended production runs.
Heat Treatment Parameters
H10 is a very deep-hardening steel. While oil quenching can maximize hardness, air hardening or vacuum gas-quenching is highly recommended for complex shapes or large cross-sections to minimize distortion.
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Soft Annealing: Heat uniformly to $750^circtext{C} - 800^circtext{C}$, hold for a minimum of 2 hours, then cool slowly inside the furnace to eliminate internal stress.
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Hardening (Austenitizing): Preheat slowly to $750^circtext{C} - 800^circtext{C}$, then ramp up to the hardening temperature of $1020^circtext{C} - 1050^circtext{C}$.
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Quenching: Air blast, vacuum gas, or warm oil quench.
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Tempering: Double tempering is mandatory. Tempering is usually performed between $540^circtext{C} - 650^circtext{C}$. H10 exhibits a secondary hardening peak around $500^circtext{C} - 550^circtext{C}$, delivering a stabilized working hardness of 40 to 52 HRC.
Global Cross-Reference Equivalents
When sourcing across international boundaries, AISI H10 corresponds directly to these global designations:
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Germany (DIN / W.Nr.): 1.2365 / X32CrMoV3-3 (Also tightly tracks 32CrMoV12-28)
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Japan (JIS): SKD7
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France (AFNOR): 32CDV12-28
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Russia (GOST): 3Kh3M3F (333)
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United Kingdom (BS): BH10
Versatile Hot Work Tool Steel
H10 Tool Steel, renowned for its performance in demanding hot work applications, is supplied in multiple shapes-bars, rods, round bars, and rings-catering to diverse industrial requirements. Its superior heat resistance and toughness make it ideal for die casting, extrusion dies, and hot shear blades. Manufactured using advanced techniques like hot rolling, cold drawing, and forging, H10 ensures reliability and endurance in rigorous environments.
Tailored to Your Needs
Every batch of H10 Tool Steel Bars is customizable-choose from a variety of surface conditions such as machined, turned, centreless ground, or finishes like bright and polished. Products are delivered annealed, hardened, or tempered based on your specifications, ensuring optimal performance for your application. With diameter and length adaptability, as well as tight tolerance control, H10 steel fits seamlessly into your manufacturing process.
FAQ's of H10 Tool Steel Bars / AISI H10 Rods / SAE H10 Round Bars / H10 Alloy Steel Rings:
Q: How is H10 Tool Steel typically supplied and packaged?
A: H10 Tool Steel Bars are available in several shapes including round, square, flat, and rings, with surface conditions such as machined, turned, or centreless ground. They are packaged in standard export seaworthy packing, or as per customer requirements, ensuring safe delivery worldwide.Q: What are the main advantages of using H10 Tool Steel in hot work applications?
A: H10 Tool Steel offers excellent heat resistance, good toughness, and maintains its hardness even after prolonged exposure to high temperatures, making it an optimal choice for die-casting dies, extrusion dies, hot shear blades, and other demanding hot work environments.Q: When should H10 Tool Steel be used in the annealed state versus the hardened & tempered state?
A: H10 is typically supplied annealed for easier machining, then heat treated (hardened & tempered) as per the application's requirements. For parts requiring higher hardness and wear resistance, the hardened & tempered condition is recommended, up to a hardness of 50 HRC.Q: Where is H10 Tool Steel produced, and what certifications accompany its supply?
A: H10 Tool Steel Bars are manufactured in India and are supplied with quality test certificates, such as EN 10204 3.1 or 3.2, as required to ensure compliance with international standards and customer requirements.Q: What is the recommended process for heat treating H10 Tool Steel Bars?
A: The heat treatment process for H10 includes pre-heating, followed by annealing for improved machinability, and subsequent hardening and tempering to achieve the desired final properties. This ensures optimal performance in hot work applications.Q: How does the machinability and surface finish of H10 Tool Steel benefit users?
A: In the annealed condition, H10 offers good machinability, making it easier to fabricate complex components. A variety of surface finishes-bright, black, peeled, or polished-provides flexibility for different end-use requirements and appearance specifications.Tell us about your requirement
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