5052 Aluminum Sheet Suppliers
139 vetted U.S. suppliers · 33 states
5052 sheet is the most formable corrosion-resistant aluminum grade — the go-to for marine, fuel-tank, electrical enclosure, and HVAC sheet-metal work. Below is our live count of vetted U.S. suppliers with state distribution and a one-click RFQ flow.
Geographic distribution
Where these suppliers are
Top 8 states by vetted-supplier density. 59 more across 25 additional states — listed below the chart.
Also covered
New Jersey (5) · Michigan (5) · Texas (5) · Washington (4) · Arizona (4) · Connecticut (4) · Minnesota (3) · Georgia (3) · Louisiana (2) · North Dakota (2) · Wisconsin (2) · Virginia (2) · Oklahoma (2) · New Hampshire (2) · Maryland (2) · Kansas (2) · Oregon (2) · Vermont (1) · Alabama (1) · Utah (1) · Kentucky (1) · Indiana (1) · Missouri (1) · Alaska (1) · Iowa (1)
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What 5052 aluminum sheet is
5052 is a magnesium-based aluminum alloy (2.5% Mg) with the best combination of formability and corrosion resistance — particularly in marine and chloride-rich environments. Sheet is supplied in H32 (1/4 hard) or H34 (1/2 hard) tempers, with H32 the most-stocked. ASTM B209 is the spec. Common gauges run from 0.020" through 0.249" — anything thicker is plate. Standard finishes are mill (slightly textured) and bright (one-side polished); embossed and stucco patterns are common for non-skid and architectural use.
What to look for in a supplier
Choose the temper: H32 forms more easily, H34 is stronger for as-formed parts. Most marine and fuel-tank work uses H32 because the bending and forming requirements are demanding. Ask about edge condition (mill-edge or slit-edge), flatness (mill standard is loose; precision-leveled sheet is available at premium), and finish — bright vs. mill matters for visible parts. Confirm the supplier carries B209 plate, not the cheaper non-spec import. Cut tolerance and minimum sheet size both matter — some distributors stock master sheets only.
FAQ
Common questions
What's the difference between 5052 and 5083?
5083 has more magnesium (4.5% vs. 2.5%) and is stronger, with even better corrosion resistance in marine service — it's the standard for shipbuilding hulls and pressure vessels. 5052 is more formable and cheaper, fine for general marine sheet-metal work.
Why use 5052 instead of 6061 for sheet work?
5052 forms much better — sharper bends, less cracking, deeper draws — and resists corrosion better in marine environments. 6061 is stronger but less formable and weldable in sheet gauges. For sheet-metal fabrication (enclosures, fuel tanks, HVAC ducts), 5052 is almost always the right call.
Is 5052 weldable?
Yes, excellently. 5052 is one of the most weldable aluminum alloys — use 5356 or 5183 filler for TIG/MIG welding, no pre-heat required. Post-weld strength is high relative to other aluminum grades.
What thicknesses does 5052 sheet come in?
Stocking distributors carry 0.020" through 0.249" in standard gauges (16-gauge, 14-gauge, 12-gauge, 10-gauge, etc.) with some intermediate decimal sizes. Anything above 0.249" is considered plate and is a different stocking category.
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