DIN 1.2344 H13 Hot Work Tool Steel in Gurugram – Strength Under Extreme Heat
DIN 1.2344 H13 Hot Work Tool Steel in Gurugram is widely used in applications in which gear are uncovered to high temperatures and repeated thermal cycling. If you’re operating in die casting, forging, or extrusion processes, you recognize how worrying those environments may be. Not every metal grade holds up.
Milano Special Steel, Plastic Mold Steel Expert in Gurugram, supplies DIN 1.2344 H13 to industries that require excessive thermal fatigue resistance and reliable longevity. This chromium-molybdenum-vanadium alloy metal is understood for retaining hardness even at multiplied temperatures. That approach fewer cracks, much less distortion, and longer device life.
One of the largest issues in warm work tooling is thermal surprise. When equipment are time and again heated and cooled, pressure builds up. H13 grade steel offers right resistance to warmth checking and erosion, making it appropriate for die casting molds and warm forging dies. It also affords balanced machinability and polishability, permitting green device production.
In rapid-transferring production devices round Gurugram, downtime is pricey. Choosing a metallic grade that plays always beneath strain can make a big operational distinction.
If you’re sourcing hot work device metal for disturbing programs, connect with Milano Special Steel in Gurugram. Let’s talk the right fabric solution on your production desires.
DIN 1.2344 H13 Hot Work Tool Steel – Properties, Composition, and Applications
DIN 1.2344 H13 Hot Work Tool Steel is one of the most widely used hot-work tool steels in the tooling and manufacturing industry. Known for its excellent thermal fatigue resistance, high toughness, and strong wear resistance, H13 steel is commonly used in applications that involve repeated heating and cooling cycles.
Also designated as X40CrMoV5-1, this chromium-molybdenum-vanadium alloy steel offers superior performance in high-temperature environments such as die casting, forging, and extrusion.
What is DIN 1.2344 H13 Tool Steel?
DIN 1.2344 steel is a premium hot-work tool steel designed to maintain hardness and strength at elevated temperatures. It is an air-hardening steel, meaning it can be hardened by air cooling after heat treatment, which helps minimize distortion and cracking.
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Equivalent grades include:
- AISI H13
- JIS SKD61
- GB 4Cr5MoSiV1
Because of its balanced combination of toughness, wear resistance, and heat resistance, H13 is widely used in industrial tooling applications.
Chemical Composition of DIN 1.2344 H13 Steel
The typical chemical composition of H13 hot work tool steel includes:
| Element | Content (%) |
| Carbon (C) | 0.35 – 0.42 |
| 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 |
Chemical Composition of DIN 1.2344 H13 Steel
The typical chemical composition of H13 hot work tool steel includes:
| Element | Content (%) |
| Carbon (C) | 0.35 – 0.42 |
| 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 |
These alloying elements enhance the steel’s hardenability, wear resistance, and high-temperature strength.
Key Properties of H13 Hot Work Tool Steel
DIN 1.2344 H13 steel provides several advantages for demanding industrial applications.
High Temperature Strength
H13 steel maintains its hardness even at high operating temperatures, making it ideal for hot-work tooling.
Excellent Thermal Fatigue Resistance
The steel can withstand repeated heating and cooling cycles without cracking, a property essential for die-casting molds.
Superior Wear Resistance
Vanadium carbides improve the material’s wear resistance, extending tool life.
Good Toughness
H13 steel offers high impact toughness, reducing the risk of tool failure under heavy loads.
Minimal Distortion During Heat Treatment
Because it is air-hardening, H13 experiences less distortion than oil-quenched steels.
Mechanical Properties
Typical mechanical properties of DIN 1.2344 H13 tool steel include:
- Hardness: 45 – 52 HRC
- Density: 7.75 g/cm³
- Tensile Strength: Up to 2000 MPa
- High resistance to thermal shock
These properties make H13 one of the most reliable steels for hot-work tooling.
Heat Treatment of DIN 1.2344 Steel
Proper heat treatment is essential to achieve the desired hardness and performance.
Typical heat treatment process:
- Preheating: 550 – 650 °C
- Austenitizing: 1020 – 1060 °C
- Quenching: Air cooling
- Tempering: 2–3 times at 550 – 650 °C
After heat treatment, the steel can achieve hardness levels of 48–54 HRC depending on application requirements.
Applications of H13 Tool Steel
DIN 1.2344 H13 is widely used in industries that require tools for high-temperature operation.
Common applications include:
- Aluminum die casting dies
- Hot forging dies
- Extrusion dies
- Plastic injection molds
- Hot shear blades
- Mandrels and punches
- Ejector pins for molds
Because of its durability and heat resistance, H13 is a preferred material in automotive, aerospace, and manufacturing industries.
Advantages of DIN 1.2344 H13 Steel
Key benefits include:
- Excellent resistance to heat checking
- High toughness and ductility
- Good polishability
- High wear resistance
- Long tool life in high-temperature applications
These properties make H13 one of the most versatile hot-work tool steels available today.
