Overview
Special steel H13/1. is a versatile and high-performance tool steel known for its excellent combination of toughness, hardness, and heat resistance. Widely used in the tool and mould industry, this steel stands out for its durability and ability to withstand thermal fatigue. Whether you’re in the automotive, aerospace, or general manufacturing sector, H13/1. tool steel provides a reliable solution for demanding applications.
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Types, Composition, Properties, and Characteristics
Types and Composition
H13/1. steel is part of the chromium-molybdenum-vanadium alloy family, characterized by its specific chemical composition which enhances its performance properties.
Properties and Characteristics
H13/1. tool steel is prized for its balanced mechanical properties which make it ideal for high-stress applications.
Applications of Special Steel H13/1. Tool & Mould Steel
H13/1. steel’s unique properties make it suitable for a wide range of applications, particularly in industries where durability and heat resistance are critical.
Specifications, Sizes, Grades, Standards
Specifications
H13/1. steel is produced to meet various industrial standards and specifications ensuring consistent quality and performance.
Sizes and Grades
H13/1. steel is available in a variety of sizes and grades to suit different industrial requirements.
Standards
Adhering to international standards ensures the material’s reliability and compatibility across different regions.
Suppliers and Pricing Details
Finding a reliable supplier for H13/1. tool steel ensures quality and consistency in your projects.
Advantages and Limitations
When selecting H13/1. tool steel, it’s essential to weigh its advantages against its limitations to determine its suitability for your needs.
Metal Powder Models and Their Descriptions
Popular Metal Powder Models for H13/1.
Utilizing metal powder in additive manufacturing or powder metallurgy can enhance the material’s performance characteristics and versatility.
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FAQs
Special Steel H13/1. Tool & Mould Steel
Conclusion
Special steel H13/1. is a top-tier choice for tool and mould applications, offering a balance of toughness, heat resistance, and wear resistance. Its versatility makes it indispensable across various industries, from automotive to aerospace. When selecting this steel, consider the specific requirements of your application, the availability of different grades and sizes, and the reputation of suppliers. By understanding its properties and capabilities, you can leverage H13/1. to enhance the performance and longevity of your tools and moulds.
H13 | 1. | SKD61 | Hot Work Tool Steel
H13 | 1. | SKD61 | Hot Work Tool Steel
H13 is a widely used hot work tool steel. It conforms to the ASTM A681 standard. The “H” indicates its use in hot work applications, and “13” is its grade number. Equivalent grades include 1. (Germany), SKD61 (Japan), and BH13 (China). H13 has high toughness, good resistance to thermal fatigue, and excellent wear resistance. It is used for die-casting molds, extrusion dies, forging tools, and other high-temperature applications.
Description
What Is H13?
H13 is composed of approximately 0.4% carbon, 5.25% chromium, 1.35% molybdenum, and 1.0% vanadium, with the balance being iron. It is a solid, high-alloy tool steel known for its excellent toughness and resistance to thermal fatigue. H13 has high hardenability and maintains its hardness at elevated temperatures. This steel is primarily used in hot work applications such as die casting, extrusion, and forging tools. H13 is produced through hot rolling, followed by annealing to refine its grain structure. It can be further classified into subgrades like H13 ESR (Electro-Slag Refined) for enhanced cleanliness and H13 Mod (Modified) for improved toughness.
Characteristics of H13 Steel
H13 steel is a versatile hot work tool steel known for its excellent toughness, thermal fatigue resistance, and ability to withstand high temperatures. It features high hardenability and can maintain hardness at elevated temperatures. This makes it ideal for hot work applications such as extrusion, forging, and die casting.
Advantages of H13 include good resistance to thermal shock, wear resistance, and high strength at elevated temperatures. It is also highly machinable, which simplifies manufacturing processes.
For scenarios where H13 might not be suitable, consider using other steel grades such as A2, D2, or M2. These alternatives offer different balances of wear resistance, toughness, and hardness that can address specific needs.
H13 is commonly used in applications like die-casting molds, extrusion dies, forging dies, and hot shearing blades. Its ability to perform reliably in extreme conditions makes it a preferred choice in the manufacturing industry.
Chemical Compositions
ElementContent (%)
Carbon, C0.32 – 0.45
Chromium, Cr4.75 – 5.50
Molybdenum, Mo1.10 – 1.75
Vanadium, V0.80 – 1.20
Silicon, Si0.80 – 1.20
Manganese, Mn0.20 – 0.50
Phosphorus, P≤ 0.030
Sulfur, S≤ 0.030
Physical Properties
PropertyMetricImperial
Density7.8 g/cm³0.282 lb/in³
Melting Point – °C – °F
Boiling Point––
Thermal Conductivity28 W/m·K16.2 BTU/(hr·ft·°F)
Electrical Conductivity1.4 % IACS1.4 % IACS
Specific Heat Capacity460 J/(kg·K)0.11 BTU/(lb·°F)
Thermal Expansion Coefficient11.3 µm/(m·K)6.3 µin/(in·°F)
Electrical Resistivity71 µΩ·cm28 µΩ·in
Mechanical Properties
AC (Air Cooled) Sate
PropertyMetricImperial
Tensile Strength – MPa149 – 215 ksi
Yield Strength860 – MPa125 – 145 ksi
Brinell Hardness HBW190 – – 230
Rockwell Hardness HRC45 – – 55
Vickers Hardness HV200 – – 250
Elongation10 – 14 %10 – 14 %
Elastic Modulus210 GPa30.5 Msi
QT (Quenched & Tempered) State
PropertyMetric ValueImperial Value
Tensile Strength MPa224.8 ksi
Yield Strength MPa188.5 ksi
Elongation12%12%
Reduction of Area45%45%
Impact Absorption Energy35 J25.8 ft-lb
Elastic Modulus210 GPa30.5 Mpsi
Industries & Applications
IndustryApplication
AutomotiveEngine Components, Gears, Shafts, Tools
AerospaceTurbine Blades, Fasteners, Bearings, Structural Components
Tool and DieMolds, Dies, Punches, Cutting Tools
ManufacturingMachine Parts, Press Tools, Jigs, Fixtures
ConstructionDrill Bits, Cutters, Structural Supports, Fasteners
ElectronicsConnectors, Terminals, Enclosures, Heat Sinks
Oil and GasValves, Pumps, Drilling Equipment, Seals
Medical DevicesSurgical Instruments, Dental Tools, Orthopedic Implants, Biopsy Needles
EnergyTurbines, Generators, Power Tools, Heat Exchangers
Machining
Heat Treatment
- Annealing: Heat H13 steel to -°F, soak for 1 hour per inch of thickness, then cool slowly in the furnace at 20°F/hour to °F, followed by air cooling.
- Stress Relieving: Heat to -°F, soak for 1-2 hours, then cool in still air.
- Hardening: Preheat to -°F and -°F, then heat rapidly to -°F, soak for 20-30 minutes.
- Quenching: Quench in still air, gas, or salt bath.
- Tempering: Temper at -°F, soak for 2 hours per inch, repeat cycles to achieve 48-52 HRC hardness.
Surface Finish
- Pickling and Oiling: Remove the scale with hydrochloric acid and apply oil to prevent rust.
- Hot-Dip Galvanizing: Submerge in molten zinc for corrosion resistance.
- Electro-Galvanizing: Apply zinc via an electrochemical process for a smooth finish.
- Cold Rolling: Roll steel below recrystallization temperature for improved properties.
- Powder Coating: Apply dry powder and cure under heat for a durable finish.
- Painting: Apply liquid paint for protection and appearance enhancement.
*Customization is available upon request.
Disclaimer
The provided heat treatment and surface treatment processes are general guidelines. Actual conditions may vary depending on specific applications and requirements. It is recommended to consult with a professional metallurgist or material scientist to tailor the processes to your particular needs. The information herein is not a substitute for professional advice and should not be relied upon as such.
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