ThePipingMart Blog Grades H24 Tool Steel (UNS T20824) – Composition, Properties and Uses

H24 Tool Steel (UNS T20824) – Composition, Properties and Uses

Tool Steel H24

Tool Steel H24 is a type of high-speed steel that is specially designed for use in cutting tools. UNS T20824 is known for its exceptional wear and heat resistance, as well as its high-temperature strength and corrosion resistance. This makes it ideal for many applications, from cutting tools to machine parts and aerospace components. H24 Tool Steel, also known as UNS T20824 or SAE-AISI H24 steel, is a high-performance metal alloy widely used in manufacturing and engineering. This grade of tool steel is specially designed to offer excellent resistance against wear, corrosion, and deformation, making it a perfect choice for complex and demanding applications. The chemical composition of H24 Tool Steel involves a mix of elements, including carbon, chromium, tungsten, vanadium, and molybdenum, which contribute to its unique set of properties. With its exceptional mechanical strength, hardness, and toughness, H24 Tool Steel is a reliable and durable material that can withstand extreme operating conditions. Let’s take a look at the many uses of H24 Tool Steel and how it can benefit you.

What Forms of H24 Tool Steel is Available at Piping Mart?

  • Nut
  • Bar
  • Bolt
  • Pipe
  • Screw
  • Tubing
  • Valves
  • Washers
  • Flanges
  • Fasteners
  • Electrodes
  • Stud Bolts
  • Sheet Plates
  • Pipe Fittings
  • Forged Fitting
  • Instrumentation Fittings

H24 Tool Steel Composition

Element Content (%)
C 0.42-0.53
Mn 0.15-0.40
Si 0.15-0.40
Cr 2.50-3.50
Ni 0.3
W 14.00-16.00
V 0.40-0.60
Cu 0.25
P 0.03
S 0.03

H24 Tool Steel Physical Properties

Properties Conditions
T (°C) Treatment
Density 7.7-8.03 x 1000 kg/m3 25

H24 Tool Steel Mechanical Properties

Properties Conditions
T (°C) Treatment
Poisson’s ratio 0.27-0.30 25
Elastic modulus 27557-30458 ksi 25

H24 Tool Steel Equivalent

  • ASTM A681
  • FED QQ-T-570
  • UNS T20824

H24 Tool Steel Uses

Tool steel H24 is a versatile material often used in the production of industrial tools. It is known for its superior wear resistance and hardness, which makes it ideal for components that require both durability and strength. In particular, tool steel H24 can be employed to create hand tools, power tools, punches, taps, cutters, saw blades and drill bits. Its great strength also allows it to be used for moulds and dies as well as in hard-surfaced fabrication such as engraving or stamping. Because of its exceptional performance qualities, all kinds of metal craftsmen find it invaluable when creating items out of metal that must endure under tough conditions.

H24 Tool Steel Uses in Industries

Automotive Industry

H24 tool steel is commonly used in the automotive industry for its high strength and wear resistance. It is often used to make components such as gears, bearings, and shafts subjected to heavy loads and constant friction. Its ability to withstand high temperatures makes it suitable for engine parts.

Aerospace Industry

The aerospace industry also relies on H24 tool steel for its strength and durability. It makes critical components for aircraft engines, landing gear, and other structural parts. Its resistance to heat and corrosion makes it a reliable material for use in extreme conditions.

Oil and Gas Industry

In the oil and gas industry, H24 tool steel is commonly used for drilling tools and equipment due to its toughness and resistance to wear. It can withstand the harsh conditions of drilling deep into the earth’s surface without losing strength or shape.

Manufacturing Industry

H24 tool steel is a popular choice in the manufacturing industry due to its versatility and cost-effectiveness. It can be easily machined into various shapes and sizes, making it suitable for various applications such as moulds, dies, cutting tools, and machine components.

Construction Industry

In the construction industry, H24 tool steel is used for building structures that require high strength and durability. It is commonly used to produce cranes, excavators, bulldozers, and other heavy machinery used in construction projects.

Medical Industry

H24 tool steel has also entered the medical industry due to its biocompatibility properties. It is often used to make surgical instruments such as scalpels, forceps, and scissors, as well as orthopaedic implants due to its high strength-to-weight ratio and resistance to corrosion.

H24 Tool Steel Heat Resistance

Tool Steel H24 resists heat better than other tool steels due to its special composition, which allows it to maintain its hardness even at higher temperatures. This makes it perfect for applications like machining and drilling, where the material will be subjected to repeated heating cycles. It also makes it great for aerospace components, where exposure to extreme temperatures may occur during flight or launch operations.

H24 Tool Steel Corrosion Resistance

Tool Steel H24 has excellent corrosion resistance thanks to its special alloying elements such as chromium, molybdenum, tungsten, and vanadium. This means that even when exposed to harsh chemicals or environments, it won’t corrode easily and will maintain its strength and integrity over time.

H24 Tool Steel Heat Treatment

Tool Steel H24 can be heat treated in order to increase its hardness and improve its wear resistance. This process involves slowly raising the temperature of the material until it reaches a predetermined point before quickly cooling it down again—a process known as quenching. This helps ensure that your tool steel will remain tough enough for whatever application you need it for a while, still being able to resist wear over time.

H24 Tool Steel Machining

Thanks to its excellent corrosion resistance, machining with Tool Steel H24 is relatively easy compared to other types of tool steel. Its combination of hardness and toughness also makes it well-suited for operations like turning and milling, where precision is key. Plus, since Tool Steel H24 can withstand high temperatures without losing strength or becoming brittle, there’s less risk of damaging your equipment during long-term machining operations.


Tool Steel H24 is an incredibly versatile material that offers excellent wear resistance, heat resistance, corrosion resistance, and machinability—allowing you to get the most out of your projects without having to worry about damaging your equipment or materials in the process. From aerospace components to cutting tools and machine parts—Tool Steel H24 has a wide range of uses in many different industries! With these advantages in mind, now is the perfect time to consider investing in this unique tool steel variant!

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