550HBW Quenched Quenched And Tempered Steel Plate Thicknesses 3‑15 Mm
Brand Name:VANFORGE
Certification:ISO9001:2015, ABS, BV, CCS, DNV GL, NKK
Minimum Order Quantity:5 metric tons
Delivery Time:15 days
Payment Terms:L/C, T/T
Place of Origin:China
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No.808, Panhua Plaza, Zhangjiagang, Jiangsu Province, China
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Product Details
550HBW quenched high hardness ballistic steel plate
Description
The ballistic protection steel with extra-high hardness.
550HBW ballistic steel is a ballistic protection steel of extra-high hardness, available in thicknesses of 3‑15 mm (0.118‑0.591″) and hardness of 540‑600HBW.
550HBW ballistic steel is available as cut-to-length sheet in thicknesses of 3‑6 mm (0.118‑0.236″) and as plate in thicknesses of 6‑15 mm (0.236‑0.591″).
Delivered in quenched condition, 550HBW ballistic steel is not intended for further heat treatment.
Dimension Range
550HBW ballistic steel is available as cut-to-length sheet in thickness between 3.0-6.0 mm, and as plate in thickness between 6.0 - 15.0 mm.
Mechanical Properties
Thickness (mm) | Hardness (HBW) |
| 3.0 - 15.0 | 540 - 600 |
Mechanical Testing
Brinell hardness test according to EN ISO 6506-1 on each heat treatment individual/coil.
Hardness is measured on a milled surface 0.3-2 mm below plate surface.
Chemical Composition (ladle analysis), %, max
| C | Si | Mn | P | S | Cr | Ni | Mo | B |
| 0.36 | 0.70 | 1.50 | 0.015 | 0.010 | 1.50 | 2.50 | 0.8 | 0.005 |
The steel is grain-refined.
Phosphorous and sulphur are not intentionally alloying elements.
Thickness
| Cut Length | ||
| Product Type | Thickness (mm) | Tolerance (Min / Max) |
| Cut Length | 3.00 - 4.00 | - 0.0 / + 0.36 |
| Cut Length | 4.01 - 5.00 | - 0.0 / + 0.40 |
| Cut Length | 5.01 - 6.00 | - 0.0 / + 0.42 |
| Heavy plate | ||
| Product Type | Thickness (mm) | Tolerance (Min / Max) |
| Heavy plate | 6.0 - 7.9 | - 0.0 / + 0.8 |
| Heavy plate | 8.0 - 15.0 | - 0.0 / + 1.0 |
Length and Width
Sheets are delivered with mill edges cut as standard.
• Tolerances conform to EN 10051.
Plate delivered according to VANFORGE’s dimension program.
• Tolerances conform to EN 10029
• Dimensional tolerances for plate with mill edge according to special agreement.
Flatness
Tolerances according to SSAB’s flatness tolerances which are more restrictive than EN 10029 Class N (steel type L)
| Cut Length | ||
| Product Type | Thickness (mm) | 1000 ruler (mm) |
| Cut Length | 3.00 - 4.00 | 6 |
| Cut Length | 4.01 - 5.00 | 6 |
| Cut Length | 5.01 - 6.00 | 6 |
| Heavy plate | ||
| Product Type | Thickness (mm) | 1000 ruler (mm) |
| Heavy plate | 6.0 - 7.9 | 6 |
| Heavy plate | 8.0 - 15.0 | 6 |
Shape
For Plate tolerances according to EN 10029. For Sheet tolerances accoring to EN 10051.
Surface Properties
According to EN 10163-2 Class B Subclass 3
Delivery Conditions
550HBW ballistic steel is delivered in quenched condition.
Fabrication and Other Recommendations
Welding, bending and machining
550HBW ballistic steel is not intended for further heat treatment. If 550HBW ballistic steel is heated above 180 °C after delivery from VANFORGE no guarantees for the properties are given.
Appropriate health and safety precautions must be taken when cutting, welding, grinding or otherwise working on the product. Grinding, especially of primer coated plates, may produce dust with high particle concentration.
Production process
550HBW Quenched Quenched And Tempered Steel Plate Thicknesses 3‑15 Mm
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