D2 / X155CrVMo12-1 vs H13 / X40CrMoV5-1: 39% composition overlap. Significantly different materials serving different application areas.
D2 / X155CrVMo12-1 vs H13 / X40CrMoV5-1
Side-by-side chemical composition and mechanical property comparison.
Overview
D2 / X155CrVMo12-1
1.2379
Premium high-carbon high-chromium cold-work tool steel with vanadium and molybdenum. Air-hardening with minimal distortion. Superior wear resistance and edge retention. The global benchmark for cold stamping dies, blanking tools, shear blades, and forming tools.
H13 / X40CrMoV5-1
1.2344
The most widely used hot-work tool steel globally. Excellent combination of hot hardness, toughness, and thermal fatigue resistance. Used for die-casting dies (aluminum, zinc, magnesium), forging dies, extrusion tooling, and hot shear blades.
| D2 / X155CrVMo12-1 | H13 / X40CrMoV5-1 | |
|---|---|---|
| Material Number | 1.2379 | 1.2344 |
| Category | Tool Steel | Tool Steel |
| Standard | EN ISO 4957 | EN ISO 4957 |
Chemical composition (wt%)
| Element | D2 / X155CrVMo12-1 | H13 / X40CrMoV5-1 | Overlap |
|---|---|---|---|
| C | 1.45–1.6% | 0.35–0.42% | No overlap |
| Si | 0.1–0.4% | 0.8–1.2% | No overlap |
| Mn | 0.15–0.45% | 0.25–0.5% | Partial |
| P | 0–0.03% | 0–0.03% | OK |
Mechanical properties
| Property | D2 / X155CrVMo12-1 | H13 / X40CrMoV5-1 | Unit |
|---|---|---|---|
| hardness_hrc | 58–62 | 44–52 | HRC |
| hardness_hb | ≤ 255 | ≤ 229 | HB |
| e_modulus | ≥ 210 | ≥ 210 | GPa |
Compatibility Assessment
D2 / X155CrVMo12-1 and H13 / X40CrMoV5-1 have significantly different compositions (39% overlap). These materials are not interchangeable and serve different application areas.
Automated assessment based on composition analysis
Frequently Asked Questions
Is D2 / X155CrVMo12-1 the same as H13 / X40CrMoV5-1?
D2 / X155CrVMo12-1 and H13 / X40CrMoV5-1 have a 39% composition overlap. They are generally not directly interchangeable.
Can I replace D2 / X155CrVMo12-1 with H13 / X40CrMoV5-1?
Generally not recommended. The compositions differ significantly (39% overlap). These materials have different alloying concepts and are intended for different applications.
What is the difference between D2 / X155CrVMo12-1 and H13 / X40CrMoV5-1?
The main differences are in the following elements: C, Si, Mn, Cr. D2 / X155CrVMo12-1 is a Tool Steel grade, while H13 / X40CrMoV5-1 is a Tool Steel grade.
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Data provided for reference only. Always verify against the applicable specification for critical applications.
All data is for reference only. Equivalents indicate similarity, not identity. Always verify against the applicable specification for safety-critical applications. materialref.com accepts no liability for decisions based on this data.