X38CrMoV5-3
1.2367Premium hot work tool steel — higher Mo (2.7-3.2%) than H13/1.2344 (1.1-1.5%) for superior hot strength and temper resistance. Better thermal fatigue life in demanding die casting. Often specified for aluminum high-pressure die casting where H13 life is insufficient. Used for Al/Mg die casting dies, hot forging dies, and extrusion tools requiring longer life than H13.
International equivalents
| Flag | Standard | Country | Grade | Number | Match |
|---|---|---|---|---|---|
| 🇪🇺 | EN | Europe | X38CrMoV5-3 / 1.2367 | 1.2367 | 100% |
Sources: EN ISO 4957
Chemical composition comparison (wt%)
Side-by-side: X38CrMoV5-3 (EN) (EN ISO 4957) vs X38CrMoV5-3 / 1.2367 (EN) (EN ISO 4957)
| Element | X38CrMoV5-3 (EN) | X38CrMoV5-3 / 1.2367 (EN) | Overlap |
|---|---|---|---|
| C | 0.35–0.4% | 0.35–0.4% | OK |
| Si | 0.3–0.5% | 0.3–0.5% | OK |
| Mn | 0.3–0.5% | 0.3–0.5% | OK |
| Cr | 4.8–5.2% | 4.8–5.2% | OK |
| Mo | 2.7–3.2% | 2.7–3.2% | OK |
| V | 0.4–0.6% | 0.4–0.6% | OK |
Mechanical properties
Hardened Tempered
| Property | Value | Unit |
|---|---|---|
| Hardness HRC | 50–54 | HRC |
| Tensile Strength | 1600–1900 | MPa |
| Elastic Modulus | ≥ 210 | GPa |
| Density | ≥ 7.8 | g/cm3 |
Annealed
| Property | Value | Unit |
|---|---|---|
| Hardness HB | ≤ 235 | HB |
Heat treatment
| Process | Temperature | Medium | Holding Time | Notes |
|---|---|---|---|---|
| hardening | 1030–1060 °C | air or vacuum | — | Air-hardening like H13 |
| tempering | 550–650 °C | air | 2x min 1h per 25mm | Double temper — secondary hardness peak |
Compatibility verdict
X38CrMoV5-3 and X38CrMoV5-3 / 1.2367: 100% composition match
Close equivalents but NOT identical.
Related materials
P20 / 40CrMnMo7
1.2311Pre-hardened plastic mold steel (usually delivered at 28-34 HRC). The most widely used mold base steel globally. Good machinability in pre-hardened condition, good polishability. Used for injection molds, die-casting dies, extrusion tooling, and structural mold components.
M2 / HS6-5-2
1.3343The most widely used high-speed steel worldwide. W-Mo-Cr-V composition gives excellent red hardness (cuts at temperatures up to 600°C). Used for twist drills, end mills, taps, reamers, bandsaw blades, and general-purpose cutting tools. The benchmark HSS grade.
X45NiCrMo4
1.2767Nickel cold-work tool steel with exceptional toughness from ~4% Ni content. Excellent through-hardenability, polishability, and impact resistance. Used for plastic injection molds (high-gloss), embossing dies, scrap shear blades, punches, cutlery dies, and bending tools.
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