Tool Steel
H13 · 1.2344
Also known as X40CrMoV5-1 / SKD61 / 4Cr5MoSiV1
Chromium hot-work tool steel for die casting, forging and extrusion.
H13 (material 1.2344, X40CrMoV5-1) is a chromium-molybdenum-vanadium hot-work tool steel with excellent toughness and resistance to thermal fatigue. It is the standard grade for die-casting dies, hot forging dies and extrusion tooling. Supplied as round bar, flat bar and forged block.
International equivalents.
The same steel by country and standard — near matches; mill certificate governs.
Chemical composition.
Indicative, % by weight per EN ISO 4957. Mill certificate governs.
| Element | % |
|---|---|
| C | 0.37 – 0.42 |
| Si | 0.90 – 1.20 |
| Mn | 0.30 – 0.50 |
| Cr | 4.80 – 5.50 |
| Mo | 1.20 – 1.50 |
| V | 0.90 – 1.10 |
Mechanical properties.
Indicative; depends on dimension and heat treatment.
Available forms.
Size range: Ø 10 – 600 mm
Typical applications.
- Die-casting dies
- Hot forging dies
- Extrusion tooling
- Hot-work punches
FAQ.
What is H13?
H13 (material 1.2344, X40CrMoV5-1) is a chromium-molybdenum-vanadium hot-work tool steel with excellent toughness and resistance to thermal fatigue. It is the standard grade for die-casting dies, hot forging dies and extrusion tooling. Supplied as round bar, flat bar and forged block.
Is H13 the same as X40CrMoV5-1?
Yes — H13 is the European (EN) designation, while X40CrMoV5-1, SKD61, 4Cr5MoSiV1 are the matching names used in other countries and standards (for example AISI/SAE in the USA, JIS in Japan, GB in China, former DIN in Germany). They are near equivalents and may differ slightly in chemistry; the mill certificate governs the exact specification.
What are the international equivalents of H13?
H13 corresponds to H13 (AISI), X40CrMoV5-1 (1.2344) (EN), SKD61 (JIS), 4Cr5MoSiV1 (GB). Equivalents are nearest matches by country/standard; the mill certificate governs the exact specification.
In which forms is H13 available?
H13 is supplied as Round bar, Flat bar, Block / forged, in Ø 10 – 600 mm.
What is H13 used for?
Typical applications include Die-casting dies, Hot forging dies, Extrusion tooling, Hot-work punches.