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5052 H32

The “H32” designation in 5052 aluminum sheet indicates a strain-hardened and partially annealed temper, balancing strength and ductility. Understanding the temper is essential for choosing the right aluminum sheet for forming, bending, and structural applications, ensuring both performance and ease of fabrication.

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5052 H32

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Aluminum Sheet / Coil

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Product Details

5052 aluminum sheet is a popular Al-Mg alloy in the 5000 series, known for its excellent corrosion resistance, medium strength, and good formability. When describing aluminum sheets, the “H32” designation refers to the material temper or state, which defines mechanical properties and processing history.

What Does “H32” Mean?

Aluminum sheets are available in different tempers, classified by the “H” code for work-hardened (strain-hardened) alloys.

H-Code Breakdown:

H: Strain-hardened (work-hardened)

Number after H: Indicates degree of strain hardening and any partial annealing

H32 Specific Meaning:

Code	Description
H3x	Strain-hardened with partial anneal
H32	5052 aluminum strain-hardened to a medium-hard condition, then partially annealed to balance ductility and strength

Summary of H32 Properties

Strength: Higher than fully annealed (O temper) but lower than fully hard H34/H36

Ductility/Formability: Moderate, suitable for bending and forming

Corrosion Resistance: Maintained as per 5052 alloy

Typical Thickness Range: 0.5 – 6 mm (sheet)

Comparison of Common Tempers for 5052

Temper	Description	Typical Use
O	Fully annealed, softest	Deep drawing, easy forming
H32	Strain-hardened + partially annealed	Moderate forming with higher strength
H34	Strain-hardened, harder than H32	Applications needing higher strength
H36	Maximum hardness	Structural applications with minimal forming

Importance of Temper

Mechanical Performance

Temper determines yield strength, tensile strength, and hardness

H32 offers balanced strength and formability

Fabrication Suitability

Easier to bend, roll, or stamp compared to fully hard H34

Provides better springback control during forming

Application Selection

H32 is widely used in marine panels, transportation, roofing, and automotive parts where moderate strength and corrosion resistance are required