5356 Aluminum Bar Supplier & Manufacturer

Are you looking for a reliable 5356 Aluminum Bar supplier? We are a leading manufacturer of high-quality 5356 aluminum bars, offering competitive prices. Whether you are purchasing a small order or a large quantity, our large inventory ensures fast delivery. Contact us now for the latest prices and product specifications.

5356 Aluminum Bar is a high-magnesium aluminum alloy widely recognized for its exceptional corrosion resistance, superior weldability, and excellent strength-to-weight ratio. As a marine-grade aluminum alloy, 5356 aluminum bars are extensively used in shipbuilding, offshore engineering, transportation equipment, pressure vessels, and structural fabrication where long-term durability is required in harsh environments.

Compared with many conventional aluminum alloys, 5356 offers enhanced resistance to seawater corrosion while maintaining excellent welding performance and structural integrity. These characteristics make it one of the preferred aluminum materials for marine and welded structural applications worldwide.

At HXM Aluminum, we supply premium-quality 5356 aluminum round bars, flat bars, and custom-machined aluminum products in a wide range of dimensions and specifications to meet industrial and commercial requirements.

5356 Aluminum Bars Specifications

Item	Specification
Alloy	5356
Series	5xxx Aluminum Alloy
Temper	O, H111, H112
Shape	Round Bar, Flat Bar, Square Bar
Diameter Range	6mm – 500mm
Length	Custom Length Available
Surface Finish	Mill Finish
Standard	ASTM B221, EN 573, GB/T 3190
MOQ	2 Tons
Processing Service	Cutting, CNC Machining
Origin	China

Available Product Forms

5356 Aluminum Round Bar

Available Diameter:

6mm – 500mm

Applications:

Marine Equipment
Structural Components
Transportation Parts

5356 Aluminum Flat Bar

Available in custom widths and thicknesses for fabrication and welding projects.

5356 Aluminum Square Bar

Produced according to customer specifications and engineering requirements.

HXM Aluminum Manufacturing Capability

Choosing the right supplier is just as important as choosing the right alloy.

Capability	Details
Product Type	Round Bar / Flat Bar / Square Bar
Diameter Range	6mm – 500mm
Standard Length	3000mm / 6000mm
Custom Length	Available
MOQ	2 Tons
Lead Time	7–35 Days
Export Markets	60+ Countries
Processing Services	Cutting / CNC Machining
Inspection	MTC / SGS / Third Party

What We Can Provide

Cut-to-Length Aluminum Bars
Precision Saw Cutting
CNC Machining
Drilling & Processing
Export Packaging
OEM & Project Orders

5356 Aluminum Bars Data Sheet

Chemical Composition of 5356 Aluminum Bar

Element	Composition Range
Al	Balance
Mg	4.5 – 5.5
Cr	0.05 – 0.20
Mn	0.05 – 0.20
Fe	≤ 0.40
Si	≤ 0.25
Zn	≤ 0.10
Ti	≤ 0.20
Others	≤ 0.15

Physical Properties of Aluminum Bar 5356

Property	Value
Density	2.66 g/cm³
Melting Point	605°C – 640°C
Electrical Conductivity	26% IACS
Thermal Expansion	23.5 µm/m·°C (20-100°C)
Elastic Modulus	70 GPa

Mechanical Properties of Aluminum Bar 5356

Property	Typical Value
Tensile Strength	290 MPa – 330 MPa
Yield Strength	150 MPa – 180 MPa
Elongation	10% – 15%
Hardness (Brinell Hardness)	80 HB

Chemical Properties of Aluminum 5356 Bar

Property	Description
Corrosion Resistance	Excellent resistance to seawater, salt spray, and atmospheric conditions
Weldability	Superior, ideal for aluminum welding with good post-weld strength and corrosion resistance

Key Features of 5356 Aluminum Bar

Excellent Corrosion Resistance: 5356 aluminum provides exceptional resistance to seawater and marine atmospheric corrosion, making it an ideal material for coastal and offshore applications.
Superior Weldability: The alloy performs exceptionally well in MIG and TIG welding applications while maintaining high joint strength.
High Strength-to-Weight Ratio: Compared with steel, 5356 aluminum offers significant weight reduction while maintaining reliable structural performance.
Good Fatigue Resistance: The alloy can withstand repeated loading conditions, making it suitable for transportation and structural applications.
Long Service Life: Its combination of strength and corrosion resistance helps reduce maintenance costs and extend service life.
Strength: Although the 5356 aluminum rod is not as strong as the 7000 series aluminum alloy, it is trendy in applications with medium strength requirements.
Processability: The alloy has good processability and can be made into products of different specifications through various processing processes such as forging, extrusion, and rolling.

5356 Aluminum Bars Application

Ships and Marine Equipment: Due to its excellent resistance to seawater corrosion, 5356 aluminum bars are often used to manufacture hulls, ship equipment, and marine engineering structures.

Welding Materials: 5356 aluminum alloy is often used for welding aluminum alloys, especially in the aerospace, automobile manufacturing, and construction industries.

Structural Parts: In application scenarios requiring medium strength and good corrosion resistance, 5356 aluminum bars are often used to manufacture structural parts such as bridges and building frames.

Outdoor Equipment: Due to its good weather resistance and strength, 5356 aluminum bars are also suitable for outdoor equipment such as bicycles, sports equipment, etc.