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Defence-Grade Aluminium Blocks

Manufacturer, Supplier & Exporter – Solitaire Steel & Engineering LLP, Mumbai, India

At Solitaire Steel & Engineering LLP, Mumbai, India, we are a leading manufacturer and exporter of Defence-Grade Aluminium Blocks designed for armour systems, vehicle structures, and weapon components where strength, durability, and reliability are non-negotiable.

Our alloys — including 7075-T651, 7010-T7651, 5083-H111, and 6061-T6 — comply with ASTM B209 / B211 / AMS / DEF STAN / IS 737 standards and are rigorously tested to meet the stringent specifications of defence and aerospace OEMs.

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Built for impact resistance, ballistic integrity, and corrosion durability, our aluminium blocks combine ultra-high strength and low weight, making them ideal for armoured vehicles, naval ships, aircraft components, missile structures, and radar systems. Every batch undergoes ultrasonic testing (UT), tensile, hardness, and ballistic property evaluations to ensure mission-critical performance.

Key Features

  • Ultra-High Strength-to-Weight Ratio: Enables lighter yet stronger military and aerospace structures.
  • Ballistic & Impact Resistance: Suitable for armour plating and defence applications.
  • Corrosion Resistant: Performs reliably in marine, desert, and high-humidity environments.
  • Excellent Machinability: Adaptable for CNC and precision fabrication.
  • Thermally Stable: Maintains integrity under high-temperature and explosive conditions.
  • Certified Quality: Supplied with ASTM / AMS / DEF STAN / NABL test certificates.

Specifications

  • Standards: ASTM B209 / B211 / AMS QQ-A-250 / EN 485-2 / DEF STAN 95-3 / IS 737
  • Grades: 7075-T651, 7010-T7651, 5083-H111, 6061-T6
  • Thickness: 25 mm – 400 mm
  • Width: 500 mm – 2500 mm
  • Length: Up to 6000 mm (custom sizes available)
  • Finish: Mill Finish, Polished, Anodized, Machined
  • Testing: UT (100 % coverage), Hardness, Tensile, Microstructure, Ballistic Testing

Chemical Composition (Typical for Aluminium 7075 Defence Grade)

Element Percentage (%)
Zinc (Zn) 5.1 – 6.1
Magnesium (Mg) 2.1 – 2.9
Copper (Cu) 1.2 – 2.0
Chromium (Cr) 0.18 – 0.28
Iron (Fe) 0.50 Max
Silicon (Si) 0.40 Max
Manganese (Mn) 0.30 Max
Titanium (Ti) 0.20 Max
Aluminium (Al) Balance

Mechanical Properties

Property Value
Tensile Strength (MPa) 570 – 600
Yield Strength (MPa) 500 – 540
Elongation (%) 8 – 11
Hardness (HB) 150 – 160
Density (g/cm³) 2.81
Melting Point (°C) 477

Price List of Defence-Grade Aluminium Blocks

Description Price (INR per kg)
Aluminium 7075-T651 Defence Block ₹ 395
Aluminium 7010-T7651 Aerospace/Defence Block ₹ 420
Aluminium 5083-H111 Naval Block ₹ 250
Aluminium 6061-T6 Structural Block ₹ 240
Forged UT Tested Defence Block ₹ 430

Note: Prices vary with grade, size, and ballistic requirement. Bulk defence orders receive project-based pricing.

Looking for Certified Defence-Grade Aluminium Blocks?

Solitaire Steel & Engineering LLP provides ASTM / AMS / DEF STAN-certified Defence Aluminium Blocks for military vehicles, aircraft structures, and naval equipment. Each block is traceable, certified, and precision-cut to meet the exact specifications of OEMs, DRDO projects, and government defence tenders.

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Choose Solitaire Steel & Engineering LLP for Defence-Grade Aluminium Blocks trusted in critical missions — where strength, precision, and reliability are non-negotiable.

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