5456 Aluminum Bar

5456 Aluminum Rod Bar

5456 aluminum rod bar is a high-strength, non-heat-treatable aluminum-magnesium alloy renowned for its excellent corrosion resistance, weldability, and versatility. It maintains stable properties under extreme temperature conditions ranging from low temperatures to 200°C.

5456 aluminum rod is primarily used in industries such as aerospace, commercial, oil and gas, nuclear power, marine, and defense. It is ideally suited for applications requiring high strength and durability in harsh environments, including defense, ship hull structures, pressure vessels, and welded structures.

Advantage	Description
Superior Marine Corrosion Resistance	Offers robust protection against saltwater and atmospheric corrosion, especially in the H116/H321 tempers.
Excellent Weldability	Compatible with MIG, TIG, and other common welding techniques, ensuring strong and reliable joints.
Good Formability & Machinability	Can be efficiently processed with standard tools, allowing for complex geometries and high-quality surface finishes.
Versatile Tempers for Diverse Needs	Available in a range of tempers, from soft and formable (O, H111) to high-strength marine grades (H116, H321).
Durability & Low Maintenance	Its corrosion resistance and strength ensure long service life with minimal maintenance, reducing lifecycle costs.

Our 5456 aluminum alloy bar rod conform to international standards such as AMS-QQ-A-200/7, ASTM B221, MIL-DTL-46083, MIL-DTL-45225, EN 573. We can also provide Material Testing Certificates (MTC) and third-party inspection reports upon request to ensure quality assurance and traceability for your critical applications. We offer a variety of thicknesses and widths to meet diverse application needs, and provide standard and custom sizes to meet specific design requirements.

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Specification

Alloy	5456 (AA5456, EN AW-5456, UNS A95456)
Common Forms	Round Bar, Square Bar, Rectangular Bar, Hex Bar, Forging Stock
Temper	O, H111, H112, H32, H34, H116, H321
Tolerances	Diameter:​ ±0.1mm – ±1.0mm Straightness:​ ≤1mm per 300mm
Surface Finish	Mill Finish, Anodized, Brushed, Polished, Powder Coated
Specifications	AMS-QQ-A-200/7, ASTM B221, MIL-DTL-46083, MIL-DTL-45225, EN 573

 

Chemical Composition of 5456 Aluminum Bar(EN 573-2)

Element	5456A	5456B
Si	0.25	0.25
Fe	0.40	0.40
Cu	0.05	0.05
Mn	0.7-1.1	0.7-1.1
Mg	4.5-5.2	4.5-5.2
Cr	0.05-0.25	0.05-0.25
Zn	0.25	0.25
Ti	0.15	0.15
Remarks	4	18
Others (Each)	0.05	0.05
Others (Total)	0.15	0.15
Al	Rem	Rem

 

Physical Properties of 5456 Aluminum Bar

Properties	Value
Density	2.66 g/cm³
Melting point	568.3 – 638 °C
Thermal conductivity	116 W/m·K
Coefficient of thermal expansion	23.9 µm/m·°C
Electrical conductivity	29 % IACS

 

Mechanical Properties of 5456 Extrusion Aluminum Bar (ASTM B221)

Properties	O	H111	H112
Tensile strength Rm/ksi	41-53	42	41
Yield strength Rp0.2/ksi	19	26	19
Elongation	14%	12%	12%

HSTF 5456 Aluminum Bar Hot Products

HSTF offers various aluminum bar products, including extruded bars and cast bar billets, with a wide range of specifications and sizes available:

In addition to 5456 aluminum bars, HSTF also supplies a wide range of aluminum bar alloys in various shapes such as round bars, square bars, flat bars, and hex bars. If you are looking for alternatives with similar machinability or mechanical strength, feel free to explore our whole aluminum bar product pages or contact us for assistance.

Application

What are the advantages of 5456 as a typical marine alloy?

1. Excellent Corrosion Resistance

5456 aluminum alloy has a high magnesium content, which gives it outstanding corrosion resistance in saltwater and marine environments. This feature is crucial for the long-term durability and structural integrity of marine components, reducing the need for regular maintenance and protective coatings.

2. High Strength and Rigidity

With a tensile strength typically between 320-340 MPa, 5456 aluminum alloy outperforms 5083 aluminum alloy in terms of strength. This high strength makes it capable of withstanding heavy loads in marine operations, making it ideal for hull structures and other load-bearing components in ships.

3. Good Weldability

5456 aluminum alloy is easy to weld, ensuring strong and corrosion-resistant weld joints. This is critical for shipbuilding, where welded parts need to maintain their reliability in harsh environments. It ensures that the welded joints in marine structures are durable and resistant to environmental stresses.

4. Lightweight Material

The inherent lightweight properties of aluminum alloys help reduce the overall weight of the ship, improving fuel efficiency and payload capacity. This is becoming increasingly important in modern shipbuilding where lightweight and efficient performance are priorities.

5. Excellent Formability and Machinability

5456 aluminum alloy can be processed into complex shapes through rolling, extrusion, and other manufacturing methods, making it highly flexible for various marine construction and shipbuilding applications.

6. Shock Resistance

The toughness and uniform grain structure of 5456 aluminum alloy help it resist vibrations and impacts in marine environments, improving the overall safety of the vessel. The high magnesium content enhances ductility and toughness, allowing the material to absorb shock without easily breaking.

As a typical marine-grade alloy, 5456 shares similar performance characteristics with other Al-Mg series aluminum bars. For applications involving hull structures, decks, or offshore equipment, the following materials are also commonly selected for their corrosion resistance and weldability.

Package

Packing	1,Generaally package:Anti-water paper+strapped with min three strapping strips.
	2,Standard exporting package:Anti-water paper and plastic+covered by iron shrrt+strapped with min three strapping strips.
	3,Excellent package:Anti-water paper and plastic film+covered by iron sheet+strapped with min three strapping strip+fixed on the iron or wooden pallets by strapping strips.
Shipping	1,Shipping by containers
	2,Shipping by bulk ship
Custom	Customization is available upon request

Why Choose Us?

Quality Assurance – All products comply with ASTM, ISO, ensuring high purity, uniformstructure, and stable performance.

Professional Supplier – High quality aluminium alloy bar rod supplier in China. We have an advanced factory to ensure quality and efficiency.

Competitive Price – The mature supply chain system ensure that our products are highly competitive in cost and price.

Superior Quality – Quality supervision on whole process of production from raw materials, manufacturing, packaging, warehousing till container loading.

On-Time Delivery – The mature logistics management system and company self owned freight forwarder ensure that our OTD rate reaches 100%.