D2 / X155CrVMo12-1 vs X155CrVMo12-1: 74% composition overlap. Some similarities but notable differences in alloying elements.
D2 / X155CrVMo12-1 vs X155CrVMo12-1
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.
X155CrVMo12-1
1.2379
High-performance cold work tool steel with 12% Cr for exceptional wear resistance and good toughness. Air or oil hardening. The most widely used high-alloy cold work steel for demanding stamping and forming applications. Achieves 58-62 HRC. Used for blanking dies, punching tools, cold-forming dies, thread rolling dies, deep drawing tools, and industrial knives for heavy-gauge sheet. Similar to AISI D2 but with optimized V content.
| D2 / X155CrVMo12-1 | X155CrVMo12-1 | |
|---|---|---|
| Material Number | 1.2379 | 1.2379 |
| Category | Tool Steel | Tool Steel |
| Standard | EN ISO 4957 | EN ISO 4957 |
Chemical composition (wt%)
| Element | D2 / X155CrVMo12-1 | X155CrVMo12-1 | Overlap |
|---|---|---|---|
| C | 1.45–1.6% | 1.5–1.6% | OK |
| Si | 0.1–0.4% | 0.1–0.6% | OK |
| Mn | 0.15–0.45% | 0.2–0.6% | Partial |
| P | 0–0.03% | ≤ 0.03% | OK |
Mechanical properties
| Property | D2 / X155CrVMo12-1 | X155CrVMo12-1 | Unit |
|---|---|---|---|
| hardness_hrc | 58–62 | 58–62 | HRC |
| hardness_hb | ≤ 255 | ≤ 255 | HB |
| e_modulus | ≥ 210 | — | GPa |
Compatibility Assessment
D2 / X155CrVMo12-1 and X155CrVMo12-1 share some characteristics (74% overlap) but have notable differences. They may be substitutable in some applications but not all. Verify suitability carefully.
Automated assessment based on composition analysis
Frequently Asked Questions
Is D2 / X155CrVMo12-1 the same as X155CrVMo12-1?
D2 / X155CrVMo12-1 and X155CrVMo12-1 have a 74% composition overlap. For most purposes, they can be considered similar.
Can I replace D2 / X155CrVMo12-1 with X155CrVMo12-1?
In many cases, yes. The compositions overlap significantly (74%). However, always verify mechanical property requirements and heat treatment compatibility for your specific application.
What is the difference between D2 / X155CrVMo12-1 and X155CrVMo12-1?
The main differences are in the following elements: Mn. D2 / X155CrVMo12-1 is a Tool Steel grade, while X155CrVMo12-1 is a Tool Steel grade.
Related Comparisons
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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.