a355499 (EN Structural S420-S460 Annealed Block Size 4)
High-StrengthEN Structural S420-S460 Annealed Block Size 4
Ultra-high-strength grade for aerospace, structural and critical engineering applications.
Chemical Composition (%)
| C | 0.22 |
|---|---|
| MN | 1.7 |
| SI | 0.6 |
Mechanical Properties
Yield:400MPa; Tensile:460MPa; Elong:25%; 170HB
Chinese Standard
EN 10025
Applications
Aircraft structures, landing gear, high-strength fasteners, bridges, armor plate
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