BISALLOY® Armour VHH550
BISALLOY® steelMade in AustraliaBISALLOY® Armour VHH550: An impact-resistant armour grade developed for military and ballistic protection applications. Final grade and thickness selection requires threat-specific engineering review.
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Thickness: 5.5–50 mm
Theoretical calculation using nominal dimensions and an assumed density of 7,850 kg/m³. Tolerances and cuts affect delivery mass; not a stock confirmation or certified weighing. Calculation source ↗
Technical specifications
mm: 0 < Length ≤ 25000; 0 < Width ≤ 10000; 0 < Thickness ≤ 500. Plates: 1–1000.
Overview
BISALLOY® Armour VHH550: An impact-resistant armour grade developed for military and ballistic protection applications. Final grade and thickness selection requires threat-specific engineering review.
Technical specifications
| Technical specifications | Mechanical properties | Source document |
|---|---|---|
| Thickness range | 5.5–50 mm | Metal Asia — BISALLOY® Armour Steel Product Data Sheets 2027 · 2026-09-15 · 20 |
| Brinell hardness | 530–570 HB | Metal Asia — BISALLOY® Armour Steel Product Data Sheets 2027 · 2026-09-15 · 20 |
| Proof strength | 1400 MPa Typical reference value in the official source. | Metal Asia — BISALLOY® Armour Steel Product Data Sheets 2027 · 2026-09-15 · 20 |
| Tensile strength | 1850 MPa Typical reference value in the official source. | Metal Asia — BISALLOY® Armour Steel Product Data Sheets 2027 · 2026-09-15 · 20 |
| Mechanical properties | A50 = 8%; Charpy T/L (t≥12 mm) ≥14/16 J @ −40°C | Metal Asia — BISALLOY® Armour Steel Product Data Sheets 2027 · 2026-09-15 · 20 |
| Chemical composition | C≤0.35%; P≤0.015%; Mn≤0.50%; Si≤0.35%; S≤0.005%; Ni≤1.00%; Cr≤1.20%; Mo≤0.30%; B≤0.002%; CE≈0.68; CET≈0.46 | Metal Asia — BISALLOY® Armour Steel Product Data Sheets 2027 · 2026-09-15 · 21 |
Applications
- Defence & security
- Transportation
Key advantages
- Purpose-developed properties for ballistic protection applications
- Family-level fabrication guidance is available; confirm grade-specific bending and welding limits
- Multiple grades allow selection around the application and verified technical range
Equivalent standards
- MIL-DTL-46186 Class 1 (≤16 mm)
- BISALLOY® proprietary specification (>16–50 mm)
Verified certificates
Verified certificates
Certificates will appear here after the relevant files and their scope have been verified.
Cutting, welding and bending notes
Cutting, welding and bending guidance is provided only where supported by official product documentation.
Datasheets and supporting documents
Related products
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