EN 25CrMo4 (1.7218): European Cr-Mo Quenched & Tempered Steel
ASTM/EN Standard · Published: 2026-06-01 · Updated: 2026-06-02
A heat-treatable alloy steel grade designed for high-strength mechanical applications. Proper heat treatment is essential to achieve the specified mechanical properties.
A heat-treatable alloy steel grade designed for high-strength mechanical applications. Proper heat treatment is essential to achieve the specified mechanical properties.
Quick Facts
| Category | Alloy Steel |
| Standard | ASTM/EN Standard |
| Density | 7.85 g/cm³ |
| Yield Strength | 550 MPa (80 ksi) Q&T |
| Tensile Strength | 750 MPa (109 ksi) Q&T |
Global Equivalents & Cross-Reference
| Alternative Standard / Grade | Action |
|---|---|
| AISI 4130 | Compare |
| DIN 1.7218 | Compare |
| SCM420 | Compare |
| 30CrMo | Compare |
Related Materials
🧮 Material Weight Calculator
Calculate the weight based on this material's density: 7.85 g/cm³
Frequently Asked Questions
What heat treatment is required?
Austenitize, quench, and temper according to the material standard. The specific austenitizing temperature, quench medium, and tempering temperature depend on the desired final properties and section size.
References & International Standards
- ASTM International. Standard Specifications for Steel & Metal Alloys. astm.org
- International Organization for Standardization (ISO). Metallic Materials — Cross-Reference Database. iso.org
- American Iron and Steel Institute (AISI). Steel Grade Designations & Equivalents. steel.org
- European Committee for Standardization (CEN). EN Steel Standards & Numbering System. cencenelec.eu