Marine Grade 5052 H112 Aluminum Coil

  • 2025-07-14 15:52:32

When it comes to marine construction and equipment, material choice plays a crucial role in determining durability, performance, and safety. Marine Grade 5052 H112 aluminum coil stands out as a superior option specially engineered for marine environments.

What is Marine Grade 5052 H112 Aluminum Coil?

Marine Grade 5052 aluminum refers to an aluminum-magnesium alloy characterized by outstanding corrosion resistance, high strength, and excellent weldability. In rolling practice, the temper designation H112 means the aluminum has been strain hardened without any subsequent heat treatment—yielding enhanced mechanical properties suited for marine usage.

The 5052 variant's principal characteristic is its superior resistance to seawater and marine atmospheres. This makes it ideal for shipbuilding, offshore platforms, dock structures, and other corrosive ocean applications.

Technical Specifications and Chemical Properties

ElementContent Range (%)
Aluminum (Al)Balance (approximately 97.25 to 98.25)
Magnesium (Mg)2.2 – 2.8
Chromium (Cr)0.15 – 0.35
Iron (Fe)≤ 0.4
Copper (Cu)≤ 0.1
Manganese (Mn)≤ 0.1
Silicon (Si)≤ 0.25
Zinc (Zn)≤ 0.1
Others (Each)≤ 0.05

Source: ASTM B209 - Standard Specification for Aluminum and Aluminum-Alloy Sheet and Plate

The magnesium content enhances hardness, strength, and corrosion resistance, while chromium refines grain structure and further improves corrosion defense, especially important in saline waters.

Temper Designation: H112

The temper H112 indicates that the aluminum coil follows a strain-hardening process that imparts strength but skips any thermal treatments like annealing or artificial aging. Essentially:

  • Strain-Hardened: The metal has been cold worked during rolling or forming, improving its mechanical strength.
  • Non-Heat Treated: Preserves corrosion resistance and weldability.
  • This temper is critical for uphill tensile strength while maintaining flexibility impactful for marine building stresses.

It offers practical balances needed for sailor-grade items such as hulls and decks, where shaping without losing strength or corrosion performance is paramount.

Mechanical Properties (Typical for 5052 H112 Aluminum Coil)

PropertyValue
Tensile strength (MPa)228 - 262
Yield strength (MPa)138 - 193
Elongation (%)> 8
Hardness (Brinell)~60 HB
Density (g/cm³)2.68

These values show the alloy’s reliability under mechanical strain combined with environmental adversity.

Why Choose 5052 H112 Aluminum Coil for Marine Applications?

  1. Superior Corrosion Resistance: Defence against pitting, stress-corrosion cracking, and exfoliation even in tightly folded assemblies.
  2. Excellent Formability: Being strain-hardened, it maintains ductility, allowing intricate panel configurations.
  3. Weldability: Compatible with common aluminum joining techniques without compromising structure or corrosion resistance.
  4. Strength to Weight Ratio: Essential for lightness in shipbuilding, increasing payload efficiency and decreasing fuel consumption.
  5. Non-Toxic and Environmentally Safe: Ideal for food processing arenas aboard ships, meeting hygiene standards.

Core Applications in Marine Environments

  • Shipbuilding – Hull plates, inner frames, decks benefiting from a marine-grade extended lifespan.
  • Offshore Platforms – Structures that face constant saline humid conditions without rusting issues.
  • Boat and Yacht Manufacturing – Cabins, bulkheads, and even outside sheathing utilizing precisely rolled coil materials yielding seamless finishes.
  • Marine Storage Tanks – Resistwater absorption and contamination from saltwater.
  • Deck Equipment and Superstructures – Tiles, fittings, walkway platings, and fencing components.

Implementation and Standards Compliance

The manufacturing and supply processes of 5052 H112 aluminum coils adhere to strict international standards including but not limited to:

  • ASTM B209 – Pertaining largely to aluminum sheets and plates, including chemical and mechanical characterization.
  • ISO 6361 – International quality regulation for wrought aluminum flat products specially intended for corrosive atmospheres.
  • ASME SB209 – Reinforces the alloy tolerance in pressure vessels specifically marine applications.

Following these industrial norms ensures durability certified for long-term sea resilience.

Final Takeaways

Marine Grade 5052 H112 aluminum coil stands as a multi-functional and well-refined solution tailored for the highly demanding maritime domain. Blending proven metallurgy with advanced tempering processes, it answers challenges regarding corrosion, diagonal strength variations under stress, and longevity support in nautical sectors.

When selecting aluminum materials for marine projects, choosing 5052 H112 coils integrates reliability, safety, and effectiveness—properties as indispensable as the sea itself.

Interested in premium Marine Aluminum solutions?Contact us today for details on our shipment sizes of Marine Grade 5052 H112 aluminum coils perfectly engineered for your project excellence.

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Lucy

When it comes to marine construction and equipment, material choice plays a crucial role in determining durability, performance, and safety. Marine Grade 5052 H112 aluminum coil stands out as a superior option specially engineered for marine environments.

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